Fix IDE0090 (#2211)

src/Runner.Common/ActionCommand.cs

@@ -31,7 +31,7 @@ namespace GitHub.Runner.Common
             new EscapeMapping(token: "%", replacement: "%25"),
         };
 
-        private readonly Dictionary<string, string> _properties = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        private readonly Dictionary<string, string> _properties = new(StringComparer.OrdinalIgnoreCase);
         public const string Prefix = "##[";
         public const string _commandKey = "::";
 

src/Runner.Common/ConfigurationStore.cs

@@ -74,12 +74,12 @@ namespace GitHub.Runner.Common
         {
             get
             {
-                Uri accountUri = new Uri(this.ServerUrl);
+                Uri accountUri = new(this.ServerUrl);
                 string repoOrOrgName = string.Empty;
 
                 if (accountUri.Host.EndsWith(".githubusercontent.com", StringComparison.OrdinalIgnoreCase))
                 {
-                    Uri gitHubUrl = new Uri(this.GitHubUrl);
+                    Uri gitHubUrl = new(this.GitHubUrl);
 
                     // Use the "NWO part" from the GitHub URL path
                     repoOrOrgName = gitHubUrl.AbsolutePath.Trim('/');

src/Runner.Common/ExtensionManager.cs

@@ -14,7 +14,7 @@ namespace GitHub.Runner.Common
 
     public sealed class ExtensionManager : RunnerService, IExtensionManager
     {
-        private readonly ConcurrentDictionary<Type, List<IExtension>> _cache = new ConcurrentDictionary<Type, List<IExtension>>();
+        private readonly ConcurrentDictionary<Type, List<IExtension>> _cache = new();
 
         public List<T> GetExtensions<T>() where T : class, IExtension
         {

src/Runner.Common/HostContext.cs

@@ -51,12 +51,12 @@ namespace GitHub.Runner.Common
         private static int _defaultLogRetentionDays = 30;
         private static int[] _vssHttpMethodEventIds = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 24 };
         private static int[] _vssHttpCredentialEventIds = new int[] { 11, 13, 14, 15, 16, 17, 18, 20, 21, 22, 27, 29 };
-        private readonly ConcurrentDictionary<Type, object> _serviceInstances = new ConcurrentDictionary<Type, object>();
+        private readonly ConcurrentDictionary<Type, object> _serviceInstances = new();
-        private readonly ConcurrentDictionary<Type, Type> _serviceTypes = new ConcurrentDictionary<Type, Type>();
+        private readonly ConcurrentDictionary<Type, Type> _serviceTypes = new();
         private readonly ISecretMasker _secretMasker = new SecretMasker();
-        private readonly List<ProductInfoHeaderValue> _userAgents = new List<ProductInfoHeaderValue>() { new ProductInfoHeaderValue($"GitHubActionsRunner-{BuildConstants.RunnerPackage.PackageName}", BuildConstants.RunnerPackage.Version) };
+        private readonly List<ProductInfoHeaderValue> _userAgents = new() { new ProductInfoHeaderValue($"GitHubActionsRunner-{BuildConstants.RunnerPackage.PackageName}", BuildConstants.RunnerPackage.Version) };
-        private CancellationTokenSource _runnerShutdownTokenSource = new CancellationTokenSource();
+        private CancellationTokenSource _runnerShutdownTokenSource = new();
-        private object _perfLock = new object();
+        private object _perfLock = new();
         private Tracing _trace;
         private Tracing _actionsHttpTrace;
         private Tracing _netcoreHttpTrace;
@@ -66,7 +66,7 @@ namespace GitHub.Runner.Common
         private IDisposable _diagListenerSubscription;
         private StartupType _startupType;
         private string _perfFile;
-        private RunnerWebProxy _webProxy = new RunnerWebProxy();
+        private RunnerWebProxy _webProxy = new();
 
         public event EventHandler Unloading;
         public CancellationToken RunnerShutdownToken => _runnerShutdownTokenSource.Token;

src/Runner.Common/HostTraceListener.cs

@@ -164,7 +164,7 @@ namespace GitHub.Runner.Common
         {
             if (_enableLogRetention)
             {
-                DirectoryInfo diags = new DirectoryInfo(_logFileDirectory);
+                DirectoryInfo diags = new(_logFileDirectory);
                 var logs = diags.GetFiles($"{_logFilePrefix}*.log");
                 foreach (var log in logs)
                 {

src/Runner.Common/JobServerQueue.cs

@@ -39,19 +39,19 @@ namespace GitHub.Runner.Common
         private Guid _jobTimelineRecordId;
 
         // queue for web console line
-        private readonly ConcurrentQueue<ConsoleLineInfo> _webConsoleLineQueue = new ConcurrentQueue<ConsoleLineInfo>();
+        private readonly ConcurrentQueue<ConsoleLineInfo> _webConsoleLineQueue = new();
 
         // queue for file upload (log file or attachment)
-        private readonly ConcurrentQueue<UploadFileInfo> _fileUploadQueue = new ConcurrentQueue<UploadFileInfo>();
+        private readonly ConcurrentQueue<UploadFileInfo> _fileUploadQueue = new();
 
         // queue for timeline or timeline record update (one queue per timeline)
-        private readonly ConcurrentDictionary<Guid, ConcurrentQueue<TimelineRecord>> _timelineUpdateQueue = new ConcurrentDictionary<Guid, ConcurrentQueue<TimelineRecord>>();
+        private readonly ConcurrentDictionary<Guid, ConcurrentQueue<TimelineRecord>> _timelineUpdateQueue = new();
 
         // indicate how many timelines we have, we will process _timelineUpdateQueue base on the order of timeline in this list
-        private readonly List<Guid> _allTimelines = new List<Guid>();
+        private readonly List<Guid> _allTimelines = new();
 
         // bufferd timeline records that fail to update
-        private readonly Dictionary<Guid, List<TimelineRecord>> _bufferedRetryRecords = new Dictionary<Guid, List<TimelineRecord>>();
+        private readonly Dictionary<Guid, List<TimelineRecord>> _bufferedRetryRecords = new();
 
         // Task for each queue's dequeue process
         private Task _webConsoleLineDequeueTask;
@@ -61,8 +61,8 @@ namespace GitHub.Runner.Common
         // common
         private IJobServer _jobServer;
         private Task[] _allDequeueTasks;
-        private readonly TaskCompletionSource<int> _jobCompletionSource = new TaskCompletionSource<int>();
+        private readonly TaskCompletionSource<int> _jobCompletionSource = new();
-        private readonly TaskCompletionSource<int> _jobRecordUpdated = new TaskCompletionSource<int>();
+        private readonly TaskCompletionSource<int> _jobRecordUpdated = new();
         private bool _queueInProcess = false;
 
         public TaskCompletionSource<int> JobRecordUpdated => _jobRecordUpdated;
@@ -237,8 +237,8 @@ namespace GitHub.Runner.Common
                 }
 
                 // Group consolelines by timeline record of each step
-                Dictionary<Guid, List<TimelineRecordLogLine>> stepsConsoleLines = new Dictionary<Guid, List<TimelineRecordLogLine>>();
+                Dictionary<Guid, List<TimelineRecordLogLine>> stepsConsoleLines = new();
-                List<Guid> stepRecordIds = new List<Guid>(); // We need to keep lines in order
+                List<Guid> stepRecordIds = new(); // We need to keep lines in order
                 int linesCounter = 0;
                 ConsoleLineInfo lineInfo;
                 while (_webConsoleLineQueue.TryDequeue(out lineInfo))
@@ -264,7 +264,7 @@ namespace GitHub.Runner.Common
                 {
                     // Split consolelines into batch, each batch will container at most 100 lines.
                     int batchCounter = 0;
-                    List<List<TimelineRecordLogLine>> batchedLines = new List<List<TimelineRecordLogLine>>();
+                    List<List<TimelineRecordLogLine>> batchedLines = new();
                     foreach (var line in stepsConsoleLines[stepRecordId])
                     {
                         var currentBatch = batchedLines.ElementAtOrDefault(batchCounter);
@@ -338,7 +338,7 @@ namespace GitHub.Runner.Common
         {
             while (!_jobCompletionSource.Task.IsCompleted || runOnce)
             {
-                List<UploadFileInfo> filesToUpload = new List<UploadFileInfo>();
+                List<UploadFileInfo> filesToUpload = new();
                 UploadFileInfo dequeueFile;
                 while (_fileUploadQueue.TryDequeue(out dequeueFile))
                 {
@@ -398,13 +398,13 @@ namespace GitHub.Runner.Common
         {
             while (!_jobCompletionSource.Task.IsCompleted || runOnce)
             {
-                List<PendingTimelineRecord> pendingUpdates = new List<PendingTimelineRecord>();
+                List<PendingTimelineRecord> pendingUpdates = new();
                 foreach (var timeline in _allTimelines)
                 {
                     ConcurrentQueue<TimelineRecord> recordQueue;
                     if (_timelineUpdateQueue.TryGetValue(timeline, out recordQueue))
                     {
-                        List<TimelineRecord> records = new List<TimelineRecord>();
+                        List<TimelineRecord> records = new();
                         TimelineRecord record;
                         while (recordQueue.TryDequeue(out record))
                         {
@@ -426,7 +426,7 @@ namespace GitHub.Runner.Common
                 // we need track whether we have new sub-timeline been created on the last run.
                 // if so, we need continue update timeline record even we on the last run.
                 bool pendingSubtimelineUpdate = false;
-                List<Exception> mainTimelineRecordsUpdateErrors = new List<Exception>();
+                List<Exception> mainTimelineRecordsUpdateErrors = new();
                 if (pendingUpdates.Count > 0)
                 {
                     foreach (var update in pendingUpdates)
@@ -529,7 +529,7 @@ namespace GitHub.Runner.Common
                 return timelineRecords;
             }
 
-            Dictionary<Guid, TimelineRecord> dict = new Dictionary<Guid, TimelineRecord>();
+            Dictionary<Guid, TimelineRecord> dict = new();
             foreach (TimelineRecord rec in timelineRecords)
             {
                 if (rec == null)

src/Runner.Common/ProcessChannel.cs

@@ -76,7 +76,7 @@ namespace GitHub.Runner.Common
 
         public async Task<WorkerMessage> ReceiveAsync(CancellationToken cancellationToken)
         {
-            WorkerMessage result = new WorkerMessage(MessageType.NotInitialized, string.Empty);
+            WorkerMessage result = new(MessageType.NotInitialized, string.Empty);
             result.MessageType = (MessageType)await _readStream.ReadInt32Async(cancellationToken);
             result.Body = await _readStream.ReadStringAsync(cancellationToken);
             Trace.Info($"Receiving message of length {result.Body.Length}, with hash '{IOUtil.GetSha256Hash(result.Body)}'");

src/Runner.Common/ProcessExtensions.cs

@@ -291,7 +291,7 @@ namespace GitHub.Runner.Common
         public static string GetEnvironmentVariable(this Process process, IHostContext hostContext, string variable)
         {
             var trace = hostContext.GetTrace(nameof(LinuxProcessExtensions));
-            Dictionary<string, string> env = new Dictionary<string, string>();
+            Dictionary<string, string> env = new();
 
             if (Directory.Exists("/proc"))
             {
@@ -322,8 +322,8 @@ namespace GitHub.Runner.Common
                 // It doesn't escape '=' or ' ', so we can't parse the output into a dictionary of all envs.
                 // So we only look for the env you request, in the format of variable=value. (it won't work if you variable contains = or space)
                 trace.Info($"Read env from output of `ps e -p {process.Id} -o command`");
-                List<string> psOut = new List<string>();
+                List<string> psOut = new();
-                object outputLock = new object();
+                object outputLock = new();
                 using (var p = hostContext.CreateService<IProcessInvoker>())
                 {
                     p.OutputDataReceived += delegate (object sender, ProcessDataReceivedEventArgs stdout)

src/Runner.Common/Terminal.cs

@@ -81,7 +81,7 @@ namespace GitHub.Runner.Common
             }
 
             // Trace whether a value was entered.
-            string val = new String(chars.ToArray());
+            string val = new(chars.ToArray());
             if (!string.IsNullOrEmpty(val))
             {
                 HostContext.SecretMasker.AddValue(val);

src/Runner.Common/TraceManager.cs

@@ -14,7 +14,7 @@ namespace GitHub.Runner.Common
 
     public sealed class TraceManager : ITraceManager
     {
-        private readonly ConcurrentDictionary<string, Tracing> _sources = new ConcurrentDictionary<string, Tracing>(StringComparer.OrdinalIgnoreCase);
+        private readonly ConcurrentDictionary<string, Tracing> _sources = new(StringComparer.OrdinalIgnoreCase);
         private readonly HostTraceListener _hostTraceListener;
         private TraceSetting _traceSetting;
         private ISecretMasker _secretMasker;

src/Runner.Listener/Checks/CheckUtil.cs

@@ -347,8 +347,8 @@ namespace GitHub.Runner.Listener.Check
     public sealed class HttpEventSourceListener : EventListener
     {
         private readonly List<string> _logs;
-        private readonly object _lock = new object();
+        private readonly object _lock = new();
-        private readonly Dictionary<string, HashSet<string>> _ignoredEvent = new Dictionary<string, HashSet<string>>
+        private readonly Dictionary<string, HashSet<string>> _ignoredEvent = new()
         {
             {
                 "Microsoft-System-Net-Http",

src/Runner.Listener/Checks/NodeJsCheck.cs

@@ -86,7 +86,7 @@ namespace GitHub.Runner.Listener.Check
                 result.Logs.Add($"{DateTime.UtcNow.ToString("O")} ***************************************************************************************************************");
 
                 // Request to github.com or ghes server
-                Uri requestUrl = new Uri(url);
+                Uri requestUrl = new(url);
                 var env = new Dictionary<string, string>()
                 {
                     { "HOSTNAME", requestUrl.Host },

src/Runner.Listener/CommandSettings.cs

@@ -11,7 +11,7 @@ namespace GitHub.Runner.Listener
 {
     public sealed class CommandSettings
     {
-        private readonly Dictionary<string, string> _envArgs = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+        private readonly Dictionary<string, string> _envArgs = new(StringComparer.OrdinalIgnoreCase);
         private readonly CommandLineParser _parser;
         private readonly IPromptManager _promptManager;
         private readonly Tracing _trace;
@@ -26,7 +26,7 @@ namespace GitHub.Runner.Listener
         };
 
         // Valid flags and args for specific command - key: command, value: array of valid flags and args
-        private readonly Dictionary<string, string[]> validOptions = new Dictionary<string, string[]>
+        private readonly Dictionary<string, string[]> validOptions = new()
         {
             // Valid configure flags and args
             [Constants.Runner.CommandLine.Commands.Configure] = 
@@ -137,7 +137,7 @@ namespace GitHub.Runner.Listener
         // Validate commandline parser result
         public List<string> Validate()
         {
-            List<string> unknowns = new List<string>();
+            List<string> unknowns = new();
 
             // detect unknown commands
             unknowns.AddRange(_parser.Commands.Where(x => !validOptions.Keys.Contains(x, StringComparer.OrdinalIgnoreCase)));

src/Runner.Listener/Configuration/ConfigurationManager.cs

@@ -86,7 +86,7 @@ namespace GitHub.Runner.Listener.Configuration
                 throw new InvalidOperationException("Cannot configure the runner because it is already configured. To reconfigure the runner, run 'config.cmd remove' or './config.sh remove' first.");
             }
 
-            RunnerSettings runnerSettings = new RunnerSettings();
+            RunnerSettings runnerSettings = new();
 
             // Loop getting url and creds until you can connect
             ICredentialProvider credProvider = null;
@@ -521,7 +521,7 @@ namespace GitHub.Runner.Listener.Configuration
 
         private TaskAgent CreateNewAgent(string agentName, RSAParameters publicKey, ISet<string> userLabels, bool ephemeral, bool disableUpdate)
         {
-            TaskAgent agent = new TaskAgent(agentName)
+            TaskAgent agent = new(agentName)
             {
                 Authorization = new TaskAgentAuthorization
                 {

src/Runner.Listener/Configuration/CredentialManager.cs

@@ -18,7 +18,7 @@ namespace GitHub.Runner.Listener.Configuration
 
     public class CredentialManager : RunnerService, ICredentialManager
     {
-        public static readonly Dictionary<string, Type> CredentialTypes = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase)
+        public static readonly Dictionary<string, Type> CredentialTypes = new(StringComparer.OrdinalIgnoreCase)
         {
             { Constants.Configuration.OAuth, typeof(OAuthCredential)},
             { Constants.Configuration.OAuthAccessToken, typeof(OAuthAccessTokenCredential)},

src/Runner.Listener/Configuration/CredentialProvider.cs

@@ -48,7 +48,7 @@ namespace GitHub.Runner.Listener.Configuration
             ArgUtil.NotNullOrEmpty(token, nameof(token));
 
             trace.Info("token retrieved: {0} chars", token.Length);
-            VssCredentials creds = new VssCredentials(new VssOAuthAccessTokenCredential(token), CredentialPromptType.DoNotPrompt);
+            VssCredentials creds = new(new VssOAuthAccessTokenCredential(token), CredentialPromptType.DoNotPrompt);
             trace.Info("cred created");
 
             return creds;

src/Runner.Listener/Configuration/ServiceControlManager.cs

@@ -44,7 +44,7 @@ namespace GitHub.Runner.Listener.Configuration
             }
 
             // For the service name, replace any characters outside of the alpha-numeric set and ".", "_", "-" with "-"
-            Regex regex = new Regex(@"[^0-9a-zA-Z._\-]");
+            Regex regex = new(@"[^0-9a-zA-Z._\-]");
             string repoOrOrgName = regex.Replace(settings.RepoOrOrgName, "-");
 
             serviceName = StringUtil.Format(serviceNamePattern, repoOrOrgName, settings.AgentName);

src/Runner.Listener/JobDispatcher.cs

@@ -37,8 +37,8 @@ namespace GitHub.Runner.Listener
     // and the server will not send another job while this one is still running.
     public sealed class JobDispatcher : RunnerService, IJobDispatcher
     {
-        private static Regex _invalidJsonRegex = new Regex(@"invalid\ Json\ at\ position\ '(\d+)':", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static Regex _invalidJsonRegex = new(@"invalid\ Json\ at\ position\ '(\d+)':", RegexOptions.Compiled | RegexOptions.IgnoreCase);
-        private readonly Lazy<Dictionary<long, TaskResult>> _localRunJobResult = new Lazy<Dictionary<long, TaskResult>>();
+        private readonly Lazy<Dictionary<long, TaskResult>> _localRunJobResult = new();
         private int _poolId;
 
         IConfigurationStore _configurationStore;
@@ -47,14 +47,14 @@ namespace GitHub.Runner.Listener
         private static readonly string _workerProcessName = $"Runner.Worker{IOUtil.ExeExtension}";
 
         // this is not thread-safe
-        private readonly Queue<Guid> _jobDispatchedQueue = new Queue<Guid>();
+        private readonly Queue<Guid> _jobDispatchedQueue = new();
-        private readonly ConcurrentDictionary<Guid, WorkerDispatcher> _jobInfos = new ConcurrentDictionary<Guid, WorkerDispatcher>();
+        private readonly ConcurrentDictionary<Guid, WorkerDispatcher> _jobInfos = new();
 
         // allow up to 30sec for any data to be transmitted over the process channel
         // timeout limit can be overwritten by environment GITHUB_ACTIONS_RUNNER_CHANNEL_TIMEOUT
         private TimeSpan _channelTimeout;
 
-        private TaskCompletionSource<bool> _runOnceJobCompleted = new TaskCompletionSource<bool>();
+        private TaskCompletionSource<bool> _runOnceJobCompleted = new();
 
         public event EventHandler<JobStatusEventArgs> JobStatus;
 
@@ -111,7 +111,7 @@ namespace GitHub.Runner.Listener
                 }
             }
 
-            WorkerDispatcher newDispatch = new WorkerDispatcher(jobRequestMessage.JobId, jobRequestMessage.RequestId);
+            WorkerDispatcher newDispatch = new(jobRequestMessage.JobId, jobRequestMessage.RequestId);
             if (runOnce)
             {
                 Trace.Info("Start dispatcher for one time used runner.");
@@ -357,7 +357,7 @@ namespace GitHub.Runner.Listener
                 term.WriteLine($"{DateTime.UtcNow:u}: Running job: {message.JobDisplayName}");
 
                 // first job request renew succeed.
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
                 var notification = HostContext.GetService<IJobNotification>();
 
                 // lock renew cancellation token.
@@ -398,8 +398,8 @@ namespace GitHub.Runner.Listener
                     HostContext.WritePerfCounter($"JobRequestRenewed_{requestId.ToString()}");
 
                     Task<int> workerProcessTask = null;
-                    object _outputLock = new object();
+                    object _outputLock = new();
-                    List<string> workerOutput = new List<string>();
+                    List<string> workerOutput = new();
                     using (var processChannel = HostContext.CreateService<IProcessChannel>())
                     using (var processInvoker = HostContext.CreateService<IProcessInvoker>())
                     {
@@ -936,7 +936,7 @@ namespace GitHub.Runner.Listener
 
             var runnerServer = HostContext.GetService<IRunnerServer>();
             int completeJobRequestRetryLimit = 5;
-            List<Exception> exceptions = new List<Exception>();
+            List<Exception> exceptions = new();
             while (completeJobRequestRetryLimit-- > 0)
             {
                 try
@@ -1039,7 +1039,7 @@ namespace GitHub.Runner.Listener
             public Task WorkerDispatch { get; set; }
             public CancellationTokenSource WorkerCancellationTokenSource { get; private set; }
             public CancellationTokenSource WorkerCancelTimeoutKillTokenSource { get; private set; }
-            private readonly object _lock = new object();
+            private readonly object _lock = new();
 
             public WorkerDispatcher(Guid jobId, long requestId)
             {

src/Runner.Listener/MessageListener.cs

@@ -38,7 +38,7 @@ namespace GitHub.Runner.Listener
         private readonly TimeSpan _sessionCreationRetryInterval = TimeSpan.FromSeconds(30);
         private readonly TimeSpan _sessionConflictRetryLimit = TimeSpan.FromMinutes(4);
         private readonly TimeSpan _clockSkewRetryLimit = TimeSpan.FromMinutes(30);
-        private readonly Dictionary<string, int> _sessionCreationExceptionTracker = new Dictionary<string, int>();
+        private readonly Dictionary<string, int> _sessionCreationExceptionTracker = new();
         private TaskAgentStatus runnerStatus = TaskAgentStatus.Online;
         private CancellationTokenSource _getMessagesTokenSource;
 
@@ -198,7 +198,7 @@ namespace GitHub.Runner.Listener
             bool encounteringError = false;
             int continuousError = 0;
             string errorMessage = string.Empty;
-            Stopwatch heartbeat = new Stopwatch();
+            Stopwatch heartbeat = new();
             heartbeat.Restart();
             while (true)
             {

src/Runner.Listener/Program.cs

@@ -16,7 +16,7 @@ namespace GitHub.Runner.Listener
             // Add environment variables from .env file
             LoadAndSetEnv();
 
-            using (HostContext context = new HostContext("Runner"))
+            using (HostContext context = new("Runner"))
             {
                 return MainAsync(context, args).GetAwaiter().GetResult();
             }

src/Runner.Listener/Runner.cs

@@ -28,7 +28,7 @@ namespace GitHub.Runner.Listener
         private IMessageListener _listener;
         private ITerminal _term;
         private bool _inConfigStage;
-        private ManualResetEvent _completedCommand = new ManualResetEvent(false);
+        private ManualResetEvent _completedCommand = new(false);
 
         public override void Initialize(IHostContext hostContext)
         {

src/Runner.Listener/SelfUpdater.cs

@@ -32,14 +32,14 @@ namespace GitHub.Runner.Listener
         private static string _platform = BuildConstants.RunnerPackage.PackageName;
         private static string _dotnetRuntime = "dotnetRuntime";
         private static string _externals = "externals";
-        private readonly Dictionary<string, string> _contentHashes = new Dictionary<string, string>();
+        private readonly Dictionary<string, string> _contentHashes = new();
 
         private PackageMetadata _targetPackage;
         private ITerminal _terminal;
         private IRunnerServer _runnerServer;
         private int _poolId;
         private int _agentId;
-        private readonly ConcurrentQueue<string> _updateTrace = new ConcurrentQueue<string>();
+        private readonly ConcurrentQueue<string> _updateTrace = new();
         private Task _cloneAndCalculateContentHashTask;
         private string _dotnetRuntimeCloneDirectory;
         private string _externalsCloneDirectory;
@@ -134,7 +134,7 @@ namespace GitHub.Runner.Listener
                     string flagFile = "update.finished";
                     IOUtil.DeleteFile(flagFile);
                     // kick off update script
-                    Process invokeScript = new Process();
+                    Process invokeScript = new();
 #if OS_WINDOWS
                     invokeScript.StartInfo.FileName = WhichUtil.Which("cmd.exe", trace: Trace);
                     invokeScript.StartInfo.Arguments = $"/c \"{updateScript}\"";
@@ -191,9 +191,9 @@ namespace GitHub.Runner.Listener
             }
 
             Trace.Info($"Version '{_targetPackage.Version}' of '{_targetPackage.Type}' package available in server.");
-            PackageVersion serverVersion = new PackageVersion(_targetPackage.Version);
+            PackageVersion serverVersion = new(_targetPackage.Version);
             Trace.Info($"Current running runner version is {BuildConstants.RunnerPackage.Version}");
-            PackageVersion runnerVersion = new PackageVersion(BuildConstants.RunnerPackage.Version);
+            PackageVersion runnerVersion = new(BuildConstants.RunnerPackage.Version);
 
             return serverVersion.CompareTo(runnerVersion) > 0;
         }
@@ -476,7 +476,7 @@ namespace GitHub.Runner.Listener
                         long downloadSize = 0;
 
                         //open zip stream in async mode
-                        using (HttpClient httpClient = new HttpClient(HostContext.CreateHttpClientHandler()))
+                        using (HttpClient httpClient = new(HostContext.CreateHttpClientHandler()))
                         {
                             if (!string.IsNullOrEmpty(_targetPackage.Token))
                             {
@@ -486,7 +486,7 @@ namespace GitHub.Runner.Listener
 
                             Trace.Info($"Downloading {packageDownloadUrl}");
 
-                            using (FileStream fs = new FileStream(archiveFile, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: 4096, useAsync: true))
+                            using (FileStream fs = new(archiveFile, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: 4096, useAsync: true))
                             using (Stream result = await httpClient.GetStreamAsync(packageDownloadUrl))
                             {
                                 //81920 is the default used by System.IO.Stream.CopyTo and is under the large object heap threshold (85k).

src/Runner.PluginHost/Program.cs

@@ -12,7 +12,7 @@ namespace GitHub.Runner.PluginHost
 {
     public static class Program
     {
-        private static CancellationTokenSource tokenSource = new CancellationTokenSource();
+        private static CancellationTokenSource tokenSource = new();
         private static string executingAssemblyLocation = string.Empty;
 
         public static int Main(string[] args)

src/Runner.Plugins/Artifact/DownloadArtifact.cs

@@ -63,7 +63,7 @@ namespace GitHub.Runner.Plugins.Artifact
             string containerPath = actionsStorageArtifact.Name; // In actions storage artifacts, name equals the path
             long containerId = actionsStorageArtifact.ContainerId;
 
-            FileContainerServer fileContainerServer = new FileContainerServer(context.VssConnection, projectId: new Guid(), containerId, containerPath);
+            FileContainerServer fileContainerServer = new(context.VssConnection, projectId: new Guid(), containerId, containerPath);
             await fileContainerServer.DownloadFromContainerAsync(context, targetPath, token);
 
             context.Output("Artifact download finished.");

src/Runner.Plugins/Artifact/FileContainerServer.cs

@@ -23,10 +23,10 @@ namespace GitHub.Runner.Plugins.Artifact
         //81920 is the default used by System.IO.Stream.CopyTo and is under the large object heap threshold (85k). 
         private const int _defaultCopyBufferSize = 81920;
 
-        private readonly ConcurrentQueue<string> _fileUploadQueue = new ConcurrentQueue<string>();
+        private readonly ConcurrentQueue<string> _fileUploadQueue = new();
-        private readonly ConcurrentQueue<DownloadInfo> _fileDownloadQueue = new ConcurrentQueue<DownloadInfo>();
+        private readonly ConcurrentQueue<DownloadInfo> _fileDownloadQueue = new();
-        private readonly ConcurrentDictionary<string, ConcurrentQueue<string>> _fileUploadTraceLog = new ConcurrentDictionary<string, ConcurrentQueue<string>>();
+        private readonly ConcurrentDictionary<string, ConcurrentQueue<string>> _fileUploadTraceLog = new();
-        private readonly ConcurrentDictionary<string, ConcurrentQueue<string>> _fileUploadProgressLog = new ConcurrentDictionary<string, ConcurrentQueue<string>>();
+        private readonly ConcurrentDictionary<string, ConcurrentQueue<string>> _fileUploadProgressLog = new();
         private readonly FileContainerHttpClient _fileContainerHttpClient;
 
         private CancellationTokenSource _uploadCancellationTokenSource;
@@ -67,7 +67,7 @@ namespace GitHub.Runner.Plugins.Artifact
             CancellationToken cancellationToken)
         {
             // Find out all container items need to be processed
-            List<FileContainerItem> containerItems = new List<FileContainerItem>();
+            List<FileContainerItem> containerItems = new();
             int retryCount = 0;
             while (retryCount < 3)
             {
@@ -106,7 +106,7 @@ namespace GitHub.Runner.Plugins.Artifact
             // Create all required empty folders and emptry files, gather a list of files that we need to download from server.
             int foldersCreated = 0;
             int emptryFilesCreated = 0;
-            List<DownloadInfo> downloadFiles = new List<DownloadInfo>();
+            List<DownloadInfo> downloadFiles = new();
             foreach (var item in containerItems.OrderBy(x => x.Path))
             {
                 if (!item.Path.StartsWith(_containerPath, StringComparison.OrdinalIgnoreCase))
@@ -306,7 +306,7 @@ namespace GitHub.Runner.Plugins.Artifact
             Task downloadMonitor = DownloadReportingAsync(context, files.Count(), token);
 
             // Start parallel download tasks.
-            List<Task<DownloadResult>> parallelDownloadingTasks = new List<Task<DownloadResult>>();
+            List<Task<DownloadResult>> parallelDownloadingTasks = new();
             for (int downloader = 0; downloader < concurrentDownloads; downloader++)
             {
                 parallelDownloadingTasks.Add(DownloadAsync(context, downloader, token));
@@ -358,7 +358,7 @@ namespace GitHub.Runner.Plugins.Artifact
             Task uploadMonitor = UploadReportingAsync(context, files.Count(), _uploadCancellationTokenSource.Token);
 
             // Start parallel upload tasks.
-            List<Task<UploadResult>> parallelUploadingTasks = new List<Task<UploadResult>>();
+            List<Task<UploadResult>> parallelUploadingTasks = new();
             for (int uploader = 0; uploader < concurrentUploads; uploader++)
             {
                 parallelUploadingTasks.Add(UploadAsync(context, uploader, _uploadCancellationTokenSource.Token));
@@ -381,8 +381,8 @@ namespace GitHub.Runner.Plugins.Artifact
 
         private async Task<DownloadResult> DownloadAsync(RunnerActionPluginExecutionContext context, int downloaderId, CancellationToken token)
         {
-            List<DownloadInfo> failedFiles = new List<DownloadInfo>();
+            List<DownloadInfo> failedFiles = new();
-            Stopwatch downloadTimer = new Stopwatch();
+            Stopwatch downloadTimer = new();
             while (_fileDownloadQueue.TryDequeue(out DownloadInfo fileToDownload))
             {
                 token.ThrowIfCancellationRequested();
@@ -396,7 +396,7 @@ namespace GitHub.Runner.Plugins.Artifact
                         {
                             context.Debug($"Start downloading file: '{fileToDownload.ItemPath}' (Downloader {downloaderId})");
                             downloadTimer.Restart();
-                            using (FileStream fs = new FileStream(fileToDownload.LocalPath, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: _defaultFileStreamBufferSize, useAsync: true))
+                            using (FileStream fs = new(fileToDownload.LocalPath, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: _defaultFileStreamBufferSize, useAsync: true))
                             using (var downloadStream = await _fileContainerHttpClient.DownloadFileAsync(_containerId, fileToDownload.ItemPath, token, _projectId))
                             {
                                 await downloadStream.CopyToAsync(fs, _defaultCopyBufferSize, token);
@@ -453,10 +453,10 @@ namespace GitHub.Runner.Plugins.Artifact
 
         private async Task<UploadResult> UploadAsync(RunnerActionPluginExecutionContext context, int uploaderId, CancellationToken token)
         {
-            List<string> failedFiles = new List<string>();
+            List<string> failedFiles = new();
             long uploadedSize = 0;
             string fileToUpload;
-            Stopwatch uploadTimer = new Stopwatch();
+            Stopwatch uploadTimer = new();
             while (_fileUploadQueue.TryDequeue(out fileToUpload))
             {
                 token.ThrowIfCancellationRequested();

src/Runner.Plugins/Artifact/PublishArtifact.cs

@@ -68,7 +68,7 @@ namespace GitHub.Runner.Plugins.Artifact
 
             context.Output($"Uploading artifact '{artifactName}' from '{fullPath}' for run #{buildId}");
 
-            FileContainerServer fileContainerHelper = new FileContainerServer(context.VssConnection, projectId: Guid.Empty, containerId, artifactName);
+            FileContainerServer fileContainerHelper = new(context.VssConnection, projectId: Guid.Empty, containerId, artifactName);
             var propertiesDictionary = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
 
             long size = 0;
@@ -87,7 +87,7 @@ namespace GitHub.Runner.Plugins.Artifact
                 // Definition ID is a dummy value only used by HTTP client routing purposes
                 int definitionId = 1;
 
-                PipelinesServer pipelinesHelper = new PipelinesServer(context.VssConnection);
+                PipelinesServer pipelinesHelper = new(context.VssConnection);
 
                 var artifact = await pipelinesHelper.AssociateActionsStorageArtifactAsync(
                     definitionId,

src/Runner.Plugins/Repository/GitCliManager.cs

@@ -18,7 +18,7 @@ namespace GitHub.Runner.Plugins.Repository
 #else
         private static readonly Encoding s_encoding = null;
 #endif
-        private readonly Dictionary<string, string> gitEnv = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+        private readonly Dictionary<string, string> gitEnv = new(StringComparer.OrdinalIgnoreCase)
         {
             { "GIT_TERMINAL_PROMPT", "0" },
         };
@@ -92,11 +92,11 @@ namespace GitHub.Runner.Plugins.Repository
             }
 
             // required 2.0, all git operation commandline args need min git version 2.0
-            Version minRequiredGitVersion = new Version(2, 0);
+            Version minRequiredGitVersion = new(2, 0);
             EnsureGitVersion(minRequiredGitVersion, throwOnNotMatch: true);
 
             // suggest user upgrade to 2.9 for better git experience
-            Version recommendGitVersion = new Version(2, 9);
+            Version recommendGitVersion = new(2, 9);
             if (!EnsureGitVersion(recommendGitVersion, throwOnNotMatch: false))
             {
                 context.Output($"To get a better Git experience, upgrade your Git to at least version '{recommendGitVersion}'. Your current Git version is '{gitVersion}'.");
@@ -430,7 +430,7 @@ namespace GitHub.Runner.Plugins.Repository
             context.Debug($"Inspect remote.origin.url for repository under {repositoryPath}");
             Uri fetchUrl = null;
 
-            List<string> outputStrings = new List<string>();
+            List<string> outputStrings = new();
             int exitCode = await ExecuteGitCommandAsync(context, repositoryPath, "config", "--get remote.origin.url", outputStrings);
 
             if (exitCode != 0)
@@ -477,7 +477,7 @@ namespace GitHub.Runner.Plugins.Repository
             context.Debug($"Checking git config {configKey} exist or not");
 
             // ignore any outputs by redirect them into a string list, since the output might contains secrets.
-            List<string> outputStrings = new List<string>();
+            List<string> outputStrings = new();
             int exitcode = await ExecuteGitCommandAsync(context, repositoryPath, "config", StringUtil.Format($"--get-all {configKey}"), outputStrings);
 
             return exitcode == 0;
@@ -539,7 +539,7 @@ namespace GitHub.Runner.Plugins.Repository
             string runnerWorkspace = context.GetRunnerContext("workspace");
             ArgUtil.Directory(runnerWorkspace, "runnerWorkspace");
             Version version = null;
-            List<string> outputStrings = new List<string>();
+            List<string> outputStrings = new();
             int exitCode = await ExecuteGitCommandAsync(context, runnerWorkspace, "version", null, outputStrings);
             context.Output($"{string.Join(Environment.NewLine, outputStrings)}");
             if (exitCode == 0)
@@ -550,7 +550,7 @@ namespace GitHub.Runner.Plugins.Repository
                 {
                     string verString = outputStrings.First();
                     // we interested about major.minor.patch version
-                    Regex verRegex = new Regex("\\d+\\.\\d+(\\.\\d+)?", RegexOptions.IgnoreCase);
+                    Regex verRegex = new("\\d+\\.\\d+(\\.\\d+)?", RegexOptions.IgnoreCase);
                     var matchResult = verRegex.Match(verString);
                     if (matchResult.Success && !string.IsNullOrEmpty(matchResult.Value))
                     {
@@ -572,7 +572,7 @@ namespace GitHub.Runner.Plugins.Repository
             string runnerWorkspace = context.GetRunnerContext("workspace");
             ArgUtil.Directory(runnerWorkspace, "runnerWorkspace");
             Version version = null;
-            List<string> outputStrings = new List<string>();
+            List<string> outputStrings = new();
             int exitCode = await ExecuteGitCommandAsync(context, runnerWorkspace, "lfs version", null, outputStrings);
             context.Output($"{string.Join(Environment.NewLine, outputStrings)}");
             if (exitCode == 0)
@@ -583,7 +583,7 @@ namespace GitHub.Runner.Plugins.Repository
                 {
                     string verString = outputStrings.First();
                     // we interested about major.minor.patch version
-                    Regex verRegex = new Regex("\\d+\\.\\d+(\\.\\d+)?", RegexOptions.IgnoreCase);
+                    Regex verRegex = new("\\d+\\.\\d+(\\.\\d+)?", RegexOptions.IgnoreCase);
                     var matchResult = verRegex.Match(verString);
                     if (matchResult.Success && !string.IsNullOrEmpty(matchResult.Value))
                     {

src/Runner.Plugins/Repository/v1.0/GitSourceProvider.cs

@@ -21,7 +21,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
         private const string _remotePullRefsPrefix = "refs/remotes/pull/";
 
         // min git version that support add extra auth header.
-        private Version _minGitVersionSupportAuthHeader = new Version(2, 9);
+        private Version _minGitVersionSupportAuthHeader = new(2, 9);
 
 #if OS_WINDOWS
         // min git version that support override sslBackend setting.
@@ -29,7 +29,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
 #endif
 
         // min git-lfs version that support add extra auth header.
-        private Version _minGitLfsVersionSupportAuthHeader = new Version(2, 1);
+        private Version _minGitLfsVersionSupportAuthHeader = new(2, 1);
 
         private void RequirementCheck(RunnerActionPluginExecutionContext executionContext, GitCliManager gitCommandManager, bool checkGitLfs)
         {
@@ -83,7 +83,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
             var githubUrl = executionContext.GetGitHubContext("server_url");
             var githubUri = new Uri(!string.IsNullOrEmpty(githubUrl) ? githubUrl : "https://github.com");
             var portInfo = githubUri.IsDefaultPort ? string.Empty : $":{githubUri.Port}";
-            Uri repositoryUrl = new Uri($"{githubUri.Scheme}://{githubUri.Host}{portInfo}/{repoFullName}");
+            Uri repositoryUrl = new($"{githubUri.Scheme}://{githubUri.Host}{portInfo}/{repoFullName}");
             if (!repositoryUrl.IsAbsoluteUri)
             {
                 throw new InvalidOperationException("Repository url need to be an absolute uri.");
@@ -121,7 +121,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
             executionContext.Debug($"gitLfsSupport={gitLfsSupport}");
 
             // Initialize git command manager with additional environment variables.
-            Dictionary<string, string> gitEnv = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+            Dictionary<string, string> gitEnv = new(StringComparer.OrdinalIgnoreCase);
 
             // Disable prompting for git credential manager
             gitEnv["GCM_INTERACTIVE"] = "Never";
@@ -141,7 +141,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
                 gitEnv[formattedKey] = variable.Value?.Value ?? string.Empty;
             }
 
-            GitCliManager gitCommandManager = new GitCliManager(gitEnv);
+            GitCliManager gitCommandManager = new(gitEnv);
             await gitCommandManager.LoadGitExecutionInfo(executionContext);
 
             // Make sure the build machine met all requirements for the git repository
@@ -293,8 +293,8 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
                 await RemoveGitConfig(executionContext, gitCommandManager, targetPath, $"http.{repositoryUrl.AbsoluteUri}.extraheader", string.Empty);
             }
 
-            List<string> additionalFetchArgs = new List<string>();
+            List<string> additionalFetchArgs = new();
-            List<string> additionalLfsFetchArgs = new List<string>();
+            List<string> additionalLfsFetchArgs = new();
 
             // add accessToken as basic auth header to handle auth challenge. 
             if (!string.IsNullOrEmpty(accessToken))
@@ -320,7 +320,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
                 }
             }
 
-            List<string> additionalFetchSpecs = new List<string>();
+            List<string> additionalFetchSpecs = new();
             additionalFetchSpecs.Add("+refs/heads/*:refs/remotes/origin/*");
 
             if (IsPullRequest(sourceBranch))
@@ -395,7 +395,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
                     throw new InvalidOperationException($"Git submodule sync failed with exit code: {exitCode_submoduleSync}");
                 }
 
-                List<string> additionalSubmoduleUpdateArgs = new List<string>();
+                List<string> additionalSubmoduleUpdateArgs = new();
 
                 if (!string.IsNullOrEmpty(accessToken))
                 {

src/Runner.Plugins/Repository/v1.0/RepositoryPlugin.cs

@@ -12,7 +12,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_0
 {
     public class CheckoutTask : IRunnerActionPlugin
     {
-        private readonly Regex _validSha1 = new Regex(@"\b[0-9a-f]{40}\b", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant | RegexOptions.Compiled, TimeSpan.FromSeconds(2));
+        private readonly Regex _validSha1 = new(@"\b[0-9a-f]{40}\b", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant | RegexOptions.Compiled, TimeSpan.FromSeconds(2));
 
         public async Task RunAsync(RunnerActionPluginExecutionContext executionContext, CancellationToken token)
         {

src/Runner.Plugins/Repository/v1.1/GitSourceProvider.cs

@@ -22,7 +22,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
         private const string _tagRefsPrefix = "refs/tags/";
 
         // min git version that support add extra auth header.
-        private Version _minGitVersionSupportAuthHeader = new Version(2, 9);
+        private Version _minGitVersionSupportAuthHeader = new(2, 9);
 
 #if OS_WINDOWS
         // min git version that support override sslBackend setting.
@@ -30,7 +30,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
 #endif
 
         // min git-lfs version that support add extra auth header.
-        private Version _minGitLfsVersionSupportAuthHeader = new Version(2, 1);
+        private Version _minGitLfsVersionSupportAuthHeader = new(2, 1);
 
         public static string ProblemMatcher => @"    
 {
@@ -62,9 +62,9 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
         {
             // Validate args.
             ArgUtil.NotNull(executionContext, nameof(executionContext));
-            Dictionary<string, string> configModifications = new Dictionary<string, string>();
+            Dictionary<string, string> configModifications = new();
             executionContext.Output($"Syncing repository: {repoFullName}");
-            Uri repositoryUrl = new Uri($"https://github.com/{repoFullName}");
+            Uri repositoryUrl = new($"https://github.com/{repoFullName}");
             if (!repositoryUrl.IsAbsoluteUri)
             {
                 throw new InvalidOperationException("Repository url need to be an absolute uri.");
@@ -102,7 +102,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
             executionContext.Debug($"gitLfsSupport={gitLfsSupport}");
 
             // Initialize git command manager with additional environment variables.
-            Dictionary<string, string> gitEnv = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+            Dictionary<string, string> gitEnv = new(StringComparer.OrdinalIgnoreCase);
 
             // Disable git prompt
             gitEnv["GIT_TERMINAL_PROMPT"] = "0";
@@ -125,7 +125,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
                 gitEnv[formattedKey] = variable.Value?.Value ?? string.Empty;
             }
 
-            GitCliManager gitCommandManager = new GitCliManager(gitEnv);
+            GitCliManager gitCommandManager = new(gitEnv);
             await gitCommandManager.LoadGitExecutionInfo(executionContext);
 
             // Make sure the build machine met all requirements for the git repository
@@ -277,8 +277,8 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
                 await RemoveGitConfig(executionContext, gitCommandManager, targetPath, $"http.{repositoryUrl.AbsoluteUri}.extraheader", string.Empty);
             }
 
-            List<string> additionalFetchArgs = new List<string>();
+            List<string> additionalFetchArgs = new();
-            List<string> additionalLfsFetchArgs = new List<string>();
+            List<string> additionalLfsFetchArgs = new();
 
             // Add http.https://github.com.extraheader=... to gitconfig
             // accessToken as basic auth header to handle any auth challenge from github.com 
@@ -303,7 +303,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
                 }
             }
 
-            List<string> additionalFetchSpecs = new List<string>();
+            List<string> additionalFetchSpecs = new();
             additionalFetchSpecs.Add("+refs/heads/*:refs/remotes/origin/*");
 
             if (IsPullRequest(sourceBranch))
@@ -378,7 +378,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
                     throw new InvalidOperationException($"Git submodule sync failed with exit code: {exitCode_submoduleSync}");
                 }
 
-                List<string> additionalSubmoduleUpdateArgs = new List<string>();
+                List<string> additionalSubmoduleUpdateArgs = new();
 
                 int exitCode_submoduleUpdate = await gitCommandManager.GitSubmoduleUpdate(executionContext, targetPath, fetchDepth, string.Join(" ", additionalSubmoduleUpdateArgs), checkoutNestedSubmodules, cancellationToken);
                 if (exitCode_submoduleUpdate != 0)
@@ -404,7 +404,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
             executionContext.Output($"Cleanup cached git credential from {repositoryPath}.");
 
             // Initialize git command manager
-            GitCliManager gitCommandManager = new GitCliManager();
+            GitCliManager gitCommandManager = new();
             await gitCommandManager.LoadGitExecutionInfo(executionContext);
 
             executionContext.Debug("Remove any extraheader setting from git config.");
@@ -499,7 +499,7 @@ namespace GitHub.Runner.Plugins.Repository.v1_1
                     string gitConfig = Path.Combine(targetPath, ".git/config");
                     if (File.Exists(gitConfig))
                     {
-                        List<string> safeGitConfig = new List<string>();
+                        List<string> safeGitConfig = new();
                         var gitConfigContents = File.ReadAllLines(gitConfig);
                         foreach (var line in gitConfigContents)
                         {

src/Runner.Sdk/ActionPlugin.cs

@@ -23,7 +23,7 @@ namespace GitHub.Runner.Sdk
         private readonly string DebugEnvironmentalVariable = "ACTIONS_STEP_DEBUG";
         private VssConnection _connection;
         private RunnerWebProxy _webProxy;
-        private readonly object _stdoutLock = new object();
+        private readonly object _stdoutLock = new();
         private readonly ITraceWriter _trace; // for unit tests
 
         public RunnerActionPluginExecutionContext()
@@ -220,7 +220,7 @@ namespace GitHub.Runner.Sdk
             return input;
         }
 
-        private Dictionary<string, string> _commandEscapeMappings = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+        private Dictionary<string, string> _commandEscapeMappings = new(StringComparer.OrdinalIgnoreCase)
         {
             {
                 ";", "%3B"

src/Runner.Sdk/ProcessInvoker.cs

@@ -24,18 +24,18 @@ namespace GitHub.Runner.Sdk
         private Stopwatch _stopWatch;
         private int _asyncStreamReaderCount = 0;
         private bool _waitingOnStreams = false;
-        private readonly AsyncManualResetEvent _outputProcessEvent = new AsyncManualResetEvent();
+        private readonly AsyncManualResetEvent _outputProcessEvent = new();
-        private readonly TaskCompletionSource<bool> _processExitedCompletionSource = new TaskCompletionSource<bool>();
+        private readonly TaskCompletionSource<bool> _processExitedCompletionSource = new();
-        private readonly CancellationTokenSource _processStandardInWriteCancellationTokenSource = new CancellationTokenSource();
+        private readonly CancellationTokenSource _processStandardInWriteCancellationTokenSource = new();
-        private readonly ConcurrentQueue<string> _errorData = new ConcurrentQueue<string>();
+        private readonly ConcurrentQueue<string> _errorData = new();
-        private readonly ConcurrentQueue<string> _outputData = new ConcurrentQueue<string>();
+        private readonly ConcurrentQueue<string> _outputData = new();
         private readonly TimeSpan _sigintTimeout = TimeSpan.FromMilliseconds(7500);
         private readonly TimeSpan _sigtermTimeout = TimeSpan.FromMilliseconds(2500);
         private ITraceWriter Trace { get; set; }
 
         private class AsyncManualResetEvent
         {
-            private volatile TaskCompletionSource<bool> m_tcs = new TaskCompletionSource<bool>();
+            private volatile TaskCompletionSource<bool> m_tcs = new();
 
             public Task WaitAsync() { return m_tcs.Task; }
 
@@ -387,8 +387,8 @@ namespace GitHub.Runner.Sdk
 
         private void ProcessOutput()
         {
-            List<string> errorData = new List<string>();
+            List<string> errorData = new();
-            List<string> outputData = new List<string>();
+            List<string> outputData = new();
 
             string errorLine;
             while (_errorData.TryDequeue(out errorLine))

src/Runner.Sdk/RunnerWebProxy.cs

@@ -23,9 +23,9 @@ namespace GitHub.Runner.Sdk
         private string _httpsProxyPassword;
         private string _noProxyString;
 
-        private readonly List<ByPassInfo> _noProxyList = new List<ByPassInfo>();
+        private readonly List<ByPassInfo> _noProxyList = new();
-        private readonly HashSet<string> _noProxyUnique = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+        private readonly HashSet<string> _noProxyUnique = new(StringComparer.OrdinalIgnoreCase);
-        private readonly Regex _validIpRegex = new Regex("^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$", RegexOptions.Compiled);
+        private readonly Regex _validIpRegex = new("^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$", RegexOptions.Compiled);
 
         public string HttpProxyAddress => _httpProxyAddress;
         public string HttpProxyUsername => _httpProxyUsername;

src/Runner.Sdk/Util/IOUtil.cs

@@ -52,7 +52,7 @@ namespace GitHub.Runner.Sdk
             using (SHA256 sha256hash = SHA256.Create())
             {
                 byte[] data = sha256hash.ComputeHash(Encoding.UTF8.GetBytes(hashString));
-                StringBuilder sBuilder = new StringBuilder();
+                StringBuilder sBuilder = new();
                 for (int i = 0; i < data.Length; i++)
                 {
                     sBuilder.Append(data[i].ToString("x2"));
@@ -77,7 +77,7 @@ namespace GitHub.Runner.Sdk
         public static void DeleteDirectory(string path, bool contentsOnly, bool continueOnContentDeleteError, CancellationToken cancellationToken)
         {
             ArgUtil.NotNullOrEmpty(path, nameof(path));
-            DirectoryInfo directory = new DirectoryInfo(path);
+            DirectoryInfo directory = new(path);
             if (!directory.Exists)
             {
                 return;
@@ -363,12 +363,12 @@ namespace GitHub.Runner.Sdk
             Directory.CreateDirectory(target);
 
             // Get the file contents of the directory to copy.
-            DirectoryInfo sourceDir = new DirectoryInfo(source);
+            DirectoryInfo sourceDir = new(source);
             foreach (FileInfo sourceFile in sourceDir.GetFiles() ?? new FileInfo[0])
             {
                 // Check if the file already exists.
                 cancellationToken.ThrowIfCancellationRequested();
-                FileInfo targetFile = new FileInfo(Path.Combine(target, sourceFile.Name));
+                FileInfo targetFile = new(Path.Combine(target, sourceFile.Name));
                 if (!targetFile.Exists ||
                     sourceFile.Length != targetFile.Length ||
                     sourceFile.LastWriteTime != targetFile.LastWriteTime)

src/Runner.Sdk/Util/StringUtil.cs

@@ -9,7 +9,7 @@ namespace GitHub.Runner.Sdk
     public static class StringUtil
     {
         private static readonly object[] s_defaultFormatArgs = new object[] { null };
-        private static Lazy<JsonSerializerSettings> s_serializerSettings = new Lazy<JsonSerializerSettings>(() =>
+        private static Lazy<JsonSerializerSettings> s_serializerSettings = new(() =>
         {
             var settings = new VssJsonMediaTypeFormatter().SerializerSettings;
             settings.DateParseHandling = DateParseHandling.None;

src/Runner.Sdk/Util/UrlUtil.cs

@@ -21,7 +21,7 @@ namespace GitHub.Runner.Sdk
                 return baseUrl;
             }
 
-            UriBuilder credUri = new UriBuilder(baseUrl);
+            UriBuilder credUri = new(baseUrl);
 
             // ensure we have a username, uribuild will throw if username is empty but password is not.
             if (string.IsNullOrEmpty(username))

src/Runner.Sdk/Util/VssUtil.cs

@@ -76,7 +76,7 @@ namespace GitHub.Runner.Sdk
             // settings are applied to an HttpRequestMessage.
             settings.AcceptLanguages.Remove(CultureInfo.InvariantCulture);
 
-            VssConnection connection = new VssConnection(serverUri, new VssHttpMessageHandler(credentials, settings), additionalDelegatingHandler);
+            VssConnection connection = new(serverUri, new VssHttpMessageHandler(credentials, settings), additionalDelegatingHandler);
             return connection;
         }
 
@@ -116,7 +116,7 @@ namespace GitHub.Runner.Sdk
             // settings are applied to an HttpRequestMessage.
             settings.AcceptLanguages.Remove(CultureInfo.InvariantCulture);
 
-            RawConnection connection = new RawConnection(serverUri, new RawHttpMessageHandler(credentials.ToOAuthCredentials(), settings), additionalDelegatingHandler);
+            RawConnection connection = new(serverUri, new RawHttpMessageHandler(credentials.ToOAuthCredentials(), settings), additionalDelegatingHandler);
             return connection;
         }
 

src/Runner.Worker/ActionCommandManager.cs

@@ -21,9 +21,9 @@ namespace GitHub.Runner.Worker
     public sealed class ActionCommandManager : RunnerService, IActionCommandManager
     {
         private const string _stopCommand = "stop-commands";
-        private readonly Dictionary<string, IActionCommandExtension> _commandExtensions = new Dictionary<string, IActionCommandExtension>(StringComparer.OrdinalIgnoreCase);
+        private readonly Dictionary<string, IActionCommandExtension> _commandExtensions = new(StringComparer.OrdinalIgnoreCase);
-        private readonly HashSet<string> _registeredCommands = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+        private readonly HashSet<string> _registeredCommands = new(StringComparer.OrdinalIgnoreCase);
-        private readonly object _commandSerializeLock = new object();
+        private readonly object _commandSerializeLock = new();
         private bool _stopProcessCommand = false;
         private string _stopToken = null;
 
@@ -618,7 +618,7 @@ namespace GitHub.Runner.Worker
                 context.Debug("Enhanced Annotations not enabled on the server. The 'title', 'end_line', and 'end_column' fields are unsupported.");
             }
 
-            Issue issue = new Issue()
+            Issue issue = new()
             {
                 Category = "General",
                 Type = this.Type,

src/Runner.Worker/ActionManager.cs

@@ -52,16 +52,16 @@ namespace GitHub.Runner.Worker
         private const int _defaultCopyBufferSize = 81920;
         private const string _dotcomApiUrl = "https://api.github.com";
 
-        private readonly Dictionary<Guid, ContainerInfo> _cachedActionContainers = new Dictionary<Guid, ContainerInfo>();
+        private readonly Dictionary<Guid, ContainerInfo> _cachedActionContainers = new();
         public Dictionary<Guid, ContainerInfo> CachedActionContainers => _cachedActionContainers;
 
-        private readonly Dictionary<Guid, List<Pipelines.ActionStep>> _cachedEmbeddedPreSteps = new Dictionary<Guid, List<Pipelines.ActionStep>>();
+        private readonly Dictionary<Guid, List<Pipelines.ActionStep>> _cachedEmbeddedPreSteps = new();
         public Dictionary<Guid, List<Pipelines.ActionStep>> CachedEmbeddedPreSteps => _cachedEmbeddedPreSteps;
 
-        private readonly Dictionary<Guid, List<Guid>> _cachedEmbeddedStepIds = new Dictionary<Guid, List<Guid>>();
+        private readonly Dictionary<Guid, List<Guid>> _cachedEmbeddedStepIds = new();
         public Dictionary<Guid, List<Guid>> CachedEmbeddedStepIds => _cachedEmbeddedStepIds;
 
-        private readonly Dictionary<Guid, Stack<Pipelines.ActionStep>> _cachedEmbeddedPostSteps = new Dictionary<Guid, Stack<Pipelines.ActionStep>>();
+        private readonly Dictionary<Guid, Stack<Pipelines.ActionStep>> _cachedEmbeddedPostSteps = new();
         public Dictionary<Guid, Stack<Pipelines.ActionStep>> CachedEmbeddedPostSteps => _cachedEmbeddedPostSteps;
 
         public async Task<PrepareResult> PrepareActionsAsync(IExecutionContext executionContext, IEnumerable<Pipelines.JobStep> steps, Guid rootStepId = default(Guid))
@@ -791,7 +791,7 @@ namespace GitHub.Runner.Worker
                         try
                         {
                             //open zip stream in async mode
-                            using (FileStream fs = new FileStream(archiveFile, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: _defaultFileStreamBufferSize, useAsync: true))
+                            using (FileStream fs = new(archiveFile, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: _defaultFileStreamBufferSize, useAsync: true))
                             using (var httpClientHandler = HostContext.CreateHttpClientHandler())
                             using (var httpClient = new HttpClient(httpClientHandler))
                             {

src/Runner.Worker/ActionManifestManager.cs

@@ -53,7 +53,7 @@ namespace GitHub.Runner.Worker
         public ActionDefinitionData Load(IExecutionContext executionContext, string manifestFile)
         {
             var templateContext = CreateTemplateContext(executionContext);
-            ActionDefinitionData actionDefinition = new ActionDefinitionData();
+            ActionDefinitionData actionDefinition = new();
 
             // Clean up file name real quick
             // Instead of using Regex which can be computationally expensive, 

src/Runner.Worker/ConditionTraceWriter.cs

@@ -10,7 +10,7 @@ namespace GitHub.Runner.Worker
     {
         private readonly IExecutionContext _executionContext;
         private readonly Tracing _trace;
-        private readonly StringBuilder _traceBuilder = new StringBuilder();
+        private readonly StringBuilder _traceBuilder = new();
 
         public string Trace => _traceBuilder.ToString();
 

src/Runner.Worker/Container/ContainerInfo.cs

@@ -15,7 +15,7 @@ namespace GitHub.Runner.Worker.Container
         private IDictionary<string, string> _userPortMappings;
         private List<PortMapping> _portMappings;
         private IDictionary<string, string> _environmentVariables;
-        private List<PathMapping> _pathMappings = new List<PathMapping>();
+        private List<PathMapping> _pathMappings = new();
 
         public ContainerInfo()
         {

src/Runner.Worker/Container/DockerCommandManager.cs

@@ -60,7 +60,7 @@ namespace GitHub.Runner.Worker.Container
             context.Output($"Docker client API version: {clientVersionStr}");
 
             // we interested about major.minor.patch version
-            Regex verRegex = new Regex("\\d+\\.\\d+(\\.\\d+)?", RegexOptions.IgnoreCase);
+            Regex verRegex = new("\\d+\\.\\d+(\\.\\d+)?", RegexOptions.IgnoreCase);
 
             Version serverVersion = null;
             var serverVersionMatchResult = verRegex.Match(serverVersionStr);
@@ -309,7 +309,7 @@ namespace GitHub.Runner.Worker.Container
             string arg = $"exec {options} {containerId} {command}".Trim();
             context.Command($"{DockerPath} {arg}");
 
-            object outputLock = new object();
+            object outputLock = new();
             var processInvoker = HostContext.CreateService<IProcessInvoker>();
             processInvoker.OutputDataReceived += delegate (object sender, ProcessDataReceivedEventArgs message)
             {
@@ -447,7 +447,7 @@ namespace GitHub.Runner.Worker.Container
             string arg = $"{command} {options}".Trim();
             context.Command($"{DockerPath} {arg}");
 
-            List<string> output = new List<string>();
+            List<string> output = new();
             var processInvoker = HostContext.CreateService<IProcessInvoker>();
             processInvoker.OutputDataReceived += delegate (object sender, ProcessDataReceivedEventArgs message)
             {

src/Runner.Worker/Container/DockerUtil.cs

@@ -6,8 +6,8 @@ namespace GitHub.Runner.Worker.Container
 {
     public class DockerUtil
     {
-        private static readonly Regex QuoteEscape = new Regex(@"(\\*)" + "\"", RegexOptions.Compiled);
+        private static readonly Regex QuoteEscape = new(@"(\\*)" + "\"", RegexOptions.Compiled);
-        private static readonly Regex EndOfStringEscape = new Regex(@"(\\+)$", RegexOptions.Compiled);
+        private static readonly Regex EndOfStringEscape = new(@"(\\+)$", RegexOptions.Compiled);
 
         public static List<PortMapping> ParseDockerPort(IList<string> portMappingLines)
         {
@@ -19,7 +19,7 @@ namespace GitHub.Runner.Worker.Container
             //"TARGET_PORT/PROTO -> HOST:HOST_PORT"
             string pattern = $"^(?<{targetPort}>\\d+)/(?<{proto}>\\w+) -> (?<{host}>.+):(?<{hostPort}>\\d+)$";
 
-            List<PortMapping> portMappings = new List<PortMapping>();
+            List<PortMapping> portMappings = new();
             foreach (var line in portMappingLines)
             {
                 Match m = Regex.Match(line, pattern, RegexOptions.None, TimeSpan.FromSeconds(1));

src/Runner.Worker/ContainerOperationProvider.cs

@@ -354,8 +354,8 @@ namespace GitHub.Runner.Worker
         {
             context.Command($"{command} {arg}");
 
-            List<string> outputs = new List<string>();
+            List<string> outputs = new();
-            object outputLock = new object();
+            object outputLock = new();
             var processInvoker = HostContext.CreateService<IProcessInvoker>();
             processInvoker.OutputDataReceived += delegate (object sender, ProcessDataReceivedEventArgs message)
             {
@@ -562,7 +562,7 @@ namespace GitHub.Runner.Worker
 #if OS_WINDOWS
             Version requiredDockerEngineAPIVersion = new Version(1, 30);  // Docker-EE version 17.6
 #else
-            Version requiredDockerEngineAPIVersion = new Version(1, 35); // Docker-CE version 17.12
+            Version requiredDockerEngineAPIVersion = new(1, 35); // Docker-CE version 17.12
 #endif
 
             if (dockerVersion.ServerVersion < requiredDockerEngineAPIVersion)

src/Runner.Worker/ExecutionContext.cs

@@ -122,10 +122,10 @@ namespace GitHub.Runner.Worker
         private const int _maxIssueCountInTelemetry = 3; // Only send the first 3 issues to telemetry
         private const int _maxIssueMessageLengthInTelemetry = 256; // Only send the first 256 characters of issue message to telemetry
 
-        private readonly TimelineRecord _record = new TimelineRecord();
+        private readonly TimelineRecord _record = new();
-        private readonly Dictionary<Guid, TimelineRecord> _detailRecords = new Dictionary<Guid, TimelineRecord>();
+        private readonly Dictionary<Guid, TimelineRecord> _detailRecords = new();
-        private readonly object _loggerLock = new object();
+        private readonly object _loggerLock = new();
-        private readonly object _matchersLock = new object();
+        private readonly object _matchersLock = new();
 
         private event OnMatcherChanged _onMatcherChanged;
 
@@ -140,7 +140,7 @@ namespace GitHub.Runner.Worker
         private bool _expandedForPostJob = false;
         private int _childTimelineRecordOrder = 0;
         private CancellationTokenSource _cancellationTokenSource;
-        private TaskCompletionSource<int> _forceCompleted = new TaskCompletionSource<int>();
+        private TaskCompletionSource<int> _forceCompleted = new();
         private bool _throttlingReported = false;
 
         // only job level ExecutionContext will track throttling delay.

src/Runner.Worker/Expressions/HashFilesFunction.cs

@@ -32,7 +32,7 @@ namespace GitHub.Runner.Worker.Expressions
 
             string githubWorkspace = workspaceData.Value;
             bool followSymlink = false;
-            List<string> patterns = new List<string>();
+            List<string> patterns = new();
             var firstParameter = true;
             foreach (var parameter in Parameters)
             {

src/Runner.Worker/GitHubContext.cs

@@ -6,7 +6,7 @@ namespace GitHub.Runner.Worker
 {
     public sealed class GitHubContext : DictionaryContextData, IEnvironmentContextData
     {
-        private readonly HashSet<string> _contextEnvAllowlist = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+        private readonly HashSet<string> _contextEnvAllowlist = new(StringComparer.OrdinalIgnoreCase)
         {
             "action_path",
             "action_ref",

src/Runner.Worker/Handlers/OutputManager.cs

@@ -16,16 +16,16 @@ namespace GitHub.Runner.Worker.Handlers
         private const string _colorCodePrefix = "\033[";
         private const int _maxAttempts = 3;
         private const string _timeoutKey = "GITHUB_ACTIONS_RUNNER_ISSUE_MATCHER_TIMEOUT";
-        private static readonly Regex _colorCodeRegex = new Regex(@"\x0033\[[0-9;]*m?", RegexOptions.Compiled | RegexOptions.CultureInvariant);
+        private static readonly Regex _colorCodeRegex = new(@"\x0033\[[0-9;]*m?", RegexOptions.Compiled | RegexOptions.CultureInvariant);
         private readonly IActionCommandManager _commandManager;
         private readonly ContainerInfo _container;
         private readonly IExecutionContext _executionContext;
         private readonly int _failsafe = 50;
-        private readonly object _matchersLock = new object();
+        private readonly object _matchersLock = new();
         private readonly TimeSpan _timeout;
         private IssueMatcher[] _matchers = Array.Empty<IssueMatcher>();
         // Mapping that indicates whether a directory belongs to the workflow repository
-        private readonly Dictionary<string, string> _directoryMap = new Dictionary<string, string>();
+        private readonly Dictionary<string, string> _directoryMap = new();
 
         public OutputManager(IExecutionContext executionContext, IActionCommandManager commandManager, ContainerInfo container = null)
         {

src/Runner.Worker/Handlers/ScriptHandlerHelpers.cs

@@ -10,7 +10,7 @@ namespace GitHub.Runner.Worker.Handlers
 {
     internal static class ScriptHandlerHelpers
     {
-        private static readonly Dictionary<string, string> _defaultArguments = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+        private static readonly Dictionary<string, string> _defaultArguments = new(StringComparer.OrdinalIgnoreCase)
         {
             ["cmd"] = "/D /E:ON /V:OFF /S /C \"CALL \"{0}\"\"",
             ["pwsh"] = "-command \". '{0}'\"",
@@ -20,7 +20,7 @@ namespace GitHub.Runner.Worker.Handlers
             ["python"] = "{0}"
         };
 
-        private static readonly Dictionary<string, string> _extensions = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+        private static readonly Dictionary<string, string> _extensions = new(StringComparer.OrdinalIgnoreCase)
         {
             ["cmd"] = ".cmd",
             ["pwsh"] = ".ps1",

src/Runner.Worker/JobExtension.cs

@@ -39,10 +39,10 @@ namespace GitHub.Runner.Worker
 
     public sealed class JobExtension : RunnerService, IJobExtension
     {
-        private readonly HashSet<string> _existingProcesses = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+        private readonly HashSet<string> _existingProcesses = new(StringComparer.OrdinalIgnoreCase);
         private bool _processCleanup;
         private string _processLookupId = $"github_{Guid.NewGuid()}";
-        private CancellationTokenSource _diskSpaceCheckToken = new CancellationTokenSource();
+        private CancellationTokenSource _diskSpaceCheckToken = new();
         private Task _diskSpaceCheckTask = null;
 
         // Download all required actions.
@@ -59,8 +59,8 @@ namespace GitHub.Runner.Worker
             context.StepTelemetry.Type = "runner";
             context.StepTelemetry.Action = "setup_job";
 
-            List<IStep> preJobSteps = new List<IStep>();
+            List<IStep> preJobSteps = new();
-            List<IStep> jobSteps = new List<IStep>();
+            List<IStep> jobSteps = new();
             using (var register = jobContext.CancellationToken.Register(() => { context.CancelToken(); }))
             {
                 try
@@ -386,7 +386,7 @@ namespace GitHub.Runner.Worker
                                                                           data: (object)jobHookData));
                     }
 
-                    List<IStep> steps = new List<IStep>();
+                    List<IStep> steps = new();
                     steps.AddRange(preJobSteps);
                     steps.AddRange(jobSteps);
 
@@ -674,7 +674,7 @@ namespace GitHub.Runner.Worker
 
         private Dictionary<int, Process> SnapshotProcesses()
         {
-            Dictionary<int, Process> snapshot = new Dictionary<int, Process>();
+            Dictionary<int, Process> snapshot = new();
             foreach (var proc in Process.GetProcesses())
             {
                 try

src/Runner.Worker/Program.cs

@@ -11,7 +11,7 @@ namespace GitHub.Runner.Worker
     {
         public static int Main(string[] args)
         {
-            using (HostContext context = new HostContext("Worker"))
+            using (HostContext context = new("Worker"))
             {
                 return MainAsync(context, args).GetAwaiter().GetResult();
             }

src/Runner.Worker/RunnerPluginManager.cs

@@ -26,7 +26,7 @@ namespace GitHub.Runner.Worker
 
     public sealed class RunnerPluginManager : RunnerService, IRunnerPluginManager
     {
-        private readonly Dictionary<string, RunnerPluginActionInfo> _actionPlugins = new Dictionary<string, RunnerPluginActionInfo>(StringComparer.OrdinalIgnoreCase)
+        private readonly Dictionary<string, RunnerPluginActionInfo> _actionPlugins = new(StringComparer.OrdinalIgnoreCase)
         {
             {
                 "checkout",
@@ -97,7 +97,7 @@ namespace GitHub.Runner.Worker
             string arguments = $"action \"{plugin}\"";
 
             // construct plugin context
-            RunnerActionPluginExecutionContext pluginContext = new RunnerActionPluginExecutionContext
+            RunnerActionPluginExecutionContext pluginContext = new()
             {
                 Inputs = inputs,
                 Endpoints = context.Global.Endpoints,

src/Runner.Worker/StepsContext.cs

@@ -16,8 +16,8 @@ namespace GitHub.Runner.Worker
     /// </summary>
     public sealed class StepsContext
     {
-        private static readonly Regex _propertyRegex = new Regex("^[a-zA-Z_][a-zA-Z0-9_]*$", RegexOptions.Compiled);
+        private static readonly Regex _propertyRegex = new("^[a-zA-Z_][a-zA-Z0-9_]*$", RegexOptions.Compiled);
-        private readonly DictionaryContextData _contextData = new DictionaryContextData();
+        private readonly DictionaryContextData _contextData = new();
 
         /// <summary>
         /// Clears memory for a composite action's isolated "steps" context, after the action

src/Runner.Worker/TrackingManager.cs

@@ -32,7 +32,7 @@ namespace GitHub.Runner.Worker
             Trace.Entering();
 
             // Create the new tracking config.
-            TrackingConfig config = new TrackingConfig(executionContext);
+            TrackingConfig config = new(executionContext);
             WriteToFile(file, config);
             return config;
         }

src/Runner.Worker/Variables.cs

@@ -14,9 +14,9 @@ namespace GitHub.Runner.Worker
     public sealed class Variables
     {
         private readonly IHostContext _hostContext;
-        private readonly ConcurrentDictionary<string, Variable> _variables = new ConcurrentDictionary<string, Variable>(StringComparer.OrdinalIgnoreCase);
+        private readonly ConcurrentDictionary<string, Variable> _variables = new(StringComparer.OrdinalIgnoreCase);
         private readonly ISecretMasker _secretMasker;
-        private readonly object _setLock = new object();
+        private readonly object _setLock = new();
         private readonly Tracing _trace;
 
         public IEnumerable<Variable> AllVariables
@@ -43,7 +43,7 @@ namespace GitHub.Runner.Worker
             }
 
             // Initialize the variable dictionary.
-            List<Variable> variables = new List<Variable>();
+            List<Variable> variables = new();
             foreach (var variable in copy)
             {
                 if (!string.IsNullOrWhiteSpace(variable.Key))

src/Runner.Worker/Worker.cs

@@ -22,10 +22,10 @@ namespace GitHub.Runner.Worker
     public sealed class Worker : RunnerService, IWorker
     {
         private readonly TimeSpan _workerStartTimeout = TimeSpan.FromSeconds(30);
-        private ManualResetEvent _completedCommand = new ManualResetEvent(false);
+        private ManualResetEvent _completedCommand = new(false);
 
         // Do not mask the values of these secrets
-        private static HashSet<String> SecretVariableMaskWhitelist = new HashSet<String>(StringComparer.OrdinalIgnoreCase)
+        private static HashSet<String> SecretVariableMaskWhitelist = new(StringComparer.OrdinalIgnoreCase)
         {
             Constants.Variables.Actions.StepDebug,
             Constants.Variables.Actions.RunnerDebug

src/Test/L0/CommandLineParserL0.cs

@@ -15,7 +15,7 @@ namespace GitHub.Runner.Common.Tests
             {
                 Tracing trace = hc.GetTrace();
 
-                CommandLineParser clp = new CommandLineParser(hc, secretArgNames: new string[0]);
+                CommandLineParser clp = new(hc, secretArgNames: new string[0]);
                 trace.Info("Constructed");
 
                 Assert.NotNull(clp);
@@ -30,7 +30,7 @@ namespace GitHub.Runner.Common.Tests
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange.
-                CommandLineParser clp = new CommandLineParser(
+                CommandLineParser clp = new(
                     hc,
                     secretArgNames: new[] { "SecretArg1", "SecretArg2" });
 
@@ -61,7 +61,7 @@ namespace GitHub.Runner.Common.Tests
             {
                 Tracing trace = hc.GetTrace();
 
-                CommandLineParser clp = new CommandLineParser(hc, secretArgNames: new string[0]);
+                CommandLineParser clp = new(hc, secretArgNames: new string[0]);
                 trace.Info("Constructed.");
 
                 clp.Parse(new string[] { "cmd1", "cmd2", "--arg1", "arg1val", "badcmd" });
@@ -81,7 +81,7 @@ namespace GitHub.Runner.Common.Tests
             {
                 Tracing trace = hc.GetTrace();
 
-                CommandLineParser clp = new CommandLineParser(hc, secretArgNames: new string[0]);
+                CommandLineParser clp = new(hc, secretArgNames: new string[0]);
                 trace.Info("Constructed.");
 
                 clp.Parse(new string[] { "cmd1", "--arg1", "arg1val", "--arg2", "arg2val" });
@@ -105,7 +105,7 @@ namespace GitHub.Runner.Common.Tests
             {
                 Tracing trace = hc.GetTrace();
 
-                CommandLineParser clp = new CommandLineParser(hc, secretArgNames: new string[0]);
+                CommandLineParser clp = new(hc, secretArgNames: new string[0]);
                 trace.Info("Constructed.");
 
                 clp.Parse(new string[] { "cmd1", "--flag1", "--arg1", "arg1val", "--flag2" });
@@ -120,7 +120,7 @@ namespace GitHub.Runner.Common.Tests
 
         private TestHostContext CreateTestContext([CallerMemberName] string testName = "")
         {
-            TestHostContext hc = new TestHostContext(this, testName);
+            TestHostContext hc = new(this, testName);
             return hc;
         }
     }

src/Test/L0/ConstantGenerationL0.cs

@@ -12,7 +12,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Runner")]
         public void BuildConstantGenerateSucceed()
         {
-            List<string> validPackageNames = new List<string>()
+            List<string> validPackageNames = new()
             {
                 "win-x64",
                 "win-x86",

src/Test/L0/Container/ContainerInfoL0.cs

@@ -12,10 +12,10 @@ namespace GitHub.Runner.Common.Tests.Worker.Container
         public void MountVolumeConstructorParsesStringInput()
         {
             // Arrange
-            MountVolume target = new MountVolume("/dst/dir"); // Maps anonymous Docker volume into target dir
+            MountVolume target = new("/dst/dir"); // Maps anonymous Docker volume into target dir
-            MountVolume source_target = new MountVolume("/src/dir:/dst/dir"); // Maps source to target dir
+            MountVolume source_target = new("/src/dir:/dst/dir"); // Maps source to target dir
-            MountVolume target_ro = new MountVolume("/dst/dir:ro");
+            MountVolume target_ro = new("/dst/dir:ro");
-            MountVolume source_target_ro = new MountVolume("/src/dir:/dst/dir:ro");
+            MountVolume source_target_ro = new("/src/dir:/dst/dir:ro");
 
             // Assert
             Assert.Null(target.SourceVolumePath);

src/Test/L0/DotnetsdkDownloadScriptL0.cs

@@ -21,7 +21,7 @@ namespace GitHub.Runner.Common.Tests
 
             string shDownloadUrl = "https://dot.net/v1/dotnet-install.sh";
 
-            using (HttpClient downloadClient = new HttpClient())
+            using (HttpClient downloadClient = new())
             {
                 var response = await downloadClient.GetAsync("https://www.bing.com");
                 if (!response.IsSuccessStatusCode)
@@ -51,7 +51,7 @@ namespace GitHub.Runner.Common.Tests
 
             string ps1DownloadUrl = "https://dot.net/v1/dotnet-install.ps1";
 
-            using (HttpClient downloadClient = new HttpClient())
+            using (HttpClient downloadClient = new())
             {
                 var response = await downloadClient.GetAsync("https://www.bing.com");
                 if (!response.IsSuccessStatusCode)

src/Test/L0/ExtensionManagerL0.cs

@@ -13,7 +13,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public void LoadsTypeFromString()
         {
-            using (TestHostContext tc = new TestHostContext(this))
+            using (TestHostContext tc = new(this))
             {
                 // Arrange.
                 var manager = new ExtensionManager();
@@ -34,7 +34,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public void LoadsTypes()
         {
-            using (TestHostContext tc = new TestHostContext(this))
+            using (TestHostContext tc = new(this))
             {
                 // Arrange.
                 var manager = new ExtensionManager();

src/Test/L0/Listener/CommandSettingsL0.cs

@@ -9,7 +9,7 @@ namespace GitHub.Runner.Common.Tests
 {
     public sealed class CommandSettingsL0
     {
-        private readonly Mock<IPromptManager> _promptManager = new Mock<IPromptManager>();
+        private readonly Mock<IPromptManager> _promptManager = new();
 
         // It is sufficient to test one arg only. All individual args are tested by the PromptsFor___ methods.
         // The PromptsFor___ methods suffice to cover the interesting differences between each of the args.
@@ -879,7 +879,7 @@ namespace GitHub.Runner.Common.Tests
 
         private TestHostContext CreateTestContext([CallerMemberName] string testName = "")
         {
-            TestHostContext hc = new TestHostContext(this, testName);
+            TestHostContext hc = new(this, testName);
             hc.SetSingleton<IPromptManager>(_promptManager.Object);
             return hc;
         }

src/Test/L0/Listener/Configuration/ArgumentValidatorTestsL0.cs

@@ -10,7 +10,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "ArgumentValidator")]
         public void ServerUrlValidator()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Assert.True(Validators.ServerUrlValidator("http://servername"));
                 Assert.False(Validators.ServerUrlValidator("Fail"));
@@ -23,7 +23,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "ArgumentValidator")]
         public void AuthSchemeValidator()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Assert.True(Validators.AuthSchemeValidator("OAuth"));
                 Assert.False(Validators.AuthSchemeValidator("Fail"));
@@ -35,7 +35,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "ArgumentValidator")]
         public void NonEmptyValidator()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Assert.True(Validators.NonEmptyValidator("test"));
                 Assert.False(Validators.NonEmptyValidator(string.Empty));

src/Test/L0/Listener/Configuration/ConfigurationManagerL0.cs

@@ -44,7 +44,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         private int _defaultRunnerGroupId = 1;
         private int _secondRunnerGroupId = 2;
         private RSACryptoServiceProvider rsa = null;
-        private RunnerSettings _configMgrAgentSettings = new RunnerSettings();
+        private RunnerSettings _configMgrAgentSettings = new();
 
         public ConfigurationManagerL0()
         {
@@ -113,7 +113,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
 
         private TestHostContext CreateTestContext([CallerMemberName] String testName = "")
         {
-            TestHostContext tc = new TestHostContext(this, testName);
+            TestHostContext tc = new(this, testName);
             tc.SetSingleton<ICredentialManager>(_credMgr.Object);
             tc.SetSingleton<IPromptManager>(_promptManager.Object);
             tc.SetSingleton<IConfigurationStore>(_store.Object);

src/Test/L0/Listener/Configuration/PromptManagerTestsL0.cs

@@ -12,8 +12,8 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
     {
         private readonly string _argName = "SomeArgName";
         private readonly string _description = "Some description";
-        private readonly PromptManager _promptManager = new PromptManager();
+        private readonly PromptManager _promptManager = new();
-        private readonly Mock<ITerminal> _terminal = new Mock<ITerminal>();
+        private readonly Mock<ITerminal> _terminal = new();
         private readonly string _unattendedExceptionMessage = "Invalid configuration provided for SomeArgName. Terminating unattended configuration.";
 
         [Fact]
@@ -21,7 +21,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "PromptManager")]
         public void FallsBackToDefault()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 _terminal
@@ -46,7 +46,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "PromptManager")]
         public void FallsBackToDefaultWhenTrimmed()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 _terminal
@@ -71,7 +71,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "PromptManager")]
         public void FallsBackToDefaultWhenUnattended()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 _terminal
@@ -98,7 +98,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "PromptManager")]
         public void Prompts()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 _terminal
@@ -123,7 +123,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "PromptManager")]
         public void PromptsAgainWhenEmpty()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var readLineValues = new Queue<string>(new[] { string.Empty, "Some prompt value" });
@@ -150,7 +150,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "PromptManager")]
         public void PromptsAgainWhenFailsValidation()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var readLineValues = new Queue<string>(new[] { "Some invalid prompt value", "Some valid prompt value" });
@@ -177,7 +177,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         [Trait("Category", "PromptManager")]
         public void ThrowsWhenUnattended()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 _terminal

src/Test/L0/Listener/Configuration/RunnerCredentialL0.cs

@@ -14,7 +14,7 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
             trace.Info("GetVssCredentials()");
             
             var loginCred = new VssOAuthAccessTokenCredential("sometoken");
-            VssCredentials creds = new VssCredentials(loginCred);
+            VssCredentials creds = new(loginCred);
             trace.Verbose("cred created");
 
             return creds;

src/Test/L0/Listener/JobDispatcherL0.cs

@@ -30,7 +30,7 @@ namespace GitHub.Runner.Common.Tests.Listener
 
         private Pipelines.AgentJobRequestMessage CreateJobRequestMessage()
         {
-            TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+            TaskOrchestrationPlanReference plan = new();
             TimelineReference timeline = null;
             Guid jobId = Guid.NewGuid();
             var result = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "someJob", "someJob", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -101,10 +101,10 @@ namespace GitHub.Runner.Common.Tests.Listener
                 int count = 0;
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequest));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
-                TaskAgentJobRequest request = new TaskAgentJobRequest();
+                TaskAgentJobRequest request = new();
                 PropertyInfo lockUntilProperty = request.GetType().GetProperty("LockedUntil", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
                 Assert.NotNull(lockUntilProperty);
                 lockUntilProperty.SetValue(request, DateTime.UtcNow.AddMinutes(5));
@@ -159,10 +159,10 @@ namespace GitHub.Runner.Common.Tests.Listener
                 int count = 0;
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequestStopOnJobNotFoundExceptions));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
-                TaskAgentJobRequest request = new TaskAgentJobRequest();
+                TaskAgentJobRequest request = new();
                 PropertyInfo lockUntilProperty = request.GetType().GetProperty("LockedUntil", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
                 Assert.NotNull(lockUntilProperty);
                 lockUntilProperty.SetValue(request, DateTime.UtcNow.AddMinutes(5));
@@ -218,10 +218,10 @@ namespace GitHub.Runner.Common.Tests.Listener
                 int count = 0;
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequestStopOnJobTokenExpiredExceptions));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
-                TaskAgentJobRequest request = new TaskAgentJobRequest();
+                TaskAgentJobRequest request = new();
                 PropertyInfo lockUntilProperty = request.GetType().GetProperty("LockedUntil", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
                 Assert.NotNull(lockUntilProperty);
                 lockUntilProperty.SetValue(request, DateTime.UtcNow.AddMinutes(5));
@@ -279,8 +279,8 @@ namespace GitHub.Runner.Common.Tests.Listener
                 var reservedAgent = new TaskAgentReference { Name = newName };
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequestStopOnJobTokenExpiredExceptions));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
                 var request = new Mock<TaskAgentJobRequest>();
                 request.Object.ReservedAgent = reservedAgent;
@@ -335,8 +335,8 @@ namespace GitHub.Runner.Common.Tests.Listener
                 var reservedAgent = new TaskAgentReference { Name = newName };
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequestStopOnJobTokenExpiredExceptions));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
                 var request = new Mock<TaskAgentJobRequest>();
                 request.Object.ReservedAgent = reservedAgent;
@@ -388,8 +388,8 @@ namespace GitHub.Runner.Common.Tests.Listener
                 var oldSettings = new RunnerSettings { AgentName = oldName };
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequestStopOnJobTokenExpiredExceptions));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
                 var request = new Mock<TaskAgentJobRequest>();
                 PropertyInfo lockUntilProperty = request.Object.GetType().GetProperty("LockedUntil", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
@@ -441,10 +441,10 @@ namespace GitHub.Runner.Common.Tests.Listener
                 int count = 0;
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequestRecoverFromExceptions));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
-                TaskAgentJobRequest request = new TaskAgentJobRequest();
+                TaskAgentJobRequest request = new();
                 PropertyInfo lockUntilProperty = request.GetType().GetProperty("LockedUntil", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
                 Assert.NotNull(lockUntilProperty);
                 lockUntilProperty.SetValue(request, DateTime.UtcNow.AddMinutes(5));
@@ -502,10 +502,10 @@ namespace GitHub.Runner.Common.Tests.Listener
                 int count = 0;
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequestFirstRenewRetrySixTimes));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
-                TaskAgentJobRequest request = new TaskAgentJobRequest();
+                TaskAgentJobRequest request = new();
                 PropertyInfo lockUntilProperty = request.GetType().GetProperty("LockedUntil", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
                 Assert.NotNull(lockUntilProperty);
                 lockUntilProperty.SetValue(request, DateTime.UtcNow.AddMinutes(5));
@@ -557,10 +557,10 @@ namespace GitHub.Runner.Common.Tests.Listener
                 int count = 0;
 
                 var trace = hc.GetTrace(nameof(DispatcherRenewJobRequestStopOnExpiredRequest));
-                TaskCompletionSource<int> firstJobRequestRenewed = new TaskCompletionSource<int>();
+                TaskCompletionSource<int> firstJobRequestRenewed = new();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
 
-                TaskAgentJobRequest request = new TaskAgentJobRequest();
+                TaskAgentJobRequest request = new();
                 PropertyInfo lockUntilProperty = request.GetType().GetProperty("LockedUntil", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
                 Assert.NotNull(lockUntilProperty);
                 lockUntilProperty.SetValue(request, DateTime.UtcNow.AddMinutes(5));

src/Test/L0/Listener/MessageListenerL0.cs

@@ -36,7 +36,7 @@ namespace GitHub.Runner.Common.Tests.Listener
 
         private TestHostContext CreateTestContext([CallerMemberName] String testName = "")
         {
-            TestHostContext tc = new TestHostContext(this, testName);
+            TestHostContext tc = new(this, testName);
             tc.SetSingleton<IConfigurationManager>(_config.Object);
             tc.SetSingleton<IRunnerServer>(_runnerServer.Object);
             tc.SetSingleton<ICredentialManager>(_credMgr.Object);
@@ -68,7 +68,7 @@ namespace GitHub.Runner.Common.Tests.Listener
                 _store.Setup(x => x.GetMigratedCredentials()).Returns(default(CredentialData));
 
                 // Act.
-                MessageListener listener = new MessageListener();
+                MessageListener listener = new();
                 listener.Initialize(tc);
 
                 bool result = await listener.CreateSessionAsync(tokenSource.Token);
@@ -112,7 +112,7 @@ namespace GitHub.Runner.Common.Tests.Listener
                 _store.Setup(x => x.GetMigratedCredentials()).Returns(default(CredentialData));
 
                 // Act.
-                MessageListener listener = new MessageListener();
+                MessageListener listener = new();
                 listener.Initialize(tc);
 
                 bool result = await listener.CreateSessionAsync(tokenSource.Token);
@@ -159,7 +159,7 @@ namespace GitHub.Runner.Common.Tests.Listener
                 _store.Setup(x => x.GetMigratedCredentials()).Returns(default(CredentialData));
 
                 // Act.
-                MessageListener listener = new MessageListener();
+                MessageListener listener = new();
                 listener.Initialize(tc);
 
                 bool result = await listener.CreateSessionAsync(tokenSource.Token);
@@ -241,7 +241,7 @@ namespace GitHub.Runner.Common.Tests.Listener
                 _store.Setup(x => x.GetMigratedCredentials()).Returns(default(CredentialData));
 
                 // Act.
-                MessageListener listener = new MessageListener();
+                MessageListener listener = new();
                 listener.Initialize(tc);
 
                 bool result = await listener.CreateSessionAsync(tokenSource.Token);
@@ -285,7 +285,7 @@ namespace GitHub.Runner.Common.Tests.Listener
                 _store.Setup(x => x.GetMigratedCredentials()).Returns(default(CredentialData));
 
                 // Act.
-                MessageListener listener = new MessageListener();
+                MessageListener listener = new();
                 listener.Initialize(tc);
 
                 bool result = await listener.CreateSessionAsync(tokenSource.Token);

src/Test/L0/Listener/RunnerL0.cs

@@ -39,7 +39,7 @@ namespace GitHub.Runner.Common.Tests.Listener
 
         private Pipelines.AgentJobRequestMessage CreateJobRequestMessage(string jobName)
         {
-            TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+            TaskOrchestrationPlanReference plan = new();
             TimelineReference timeline = null;
             Guid jobId = Guid.NewGuid();
             return new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "test", "test", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -155,7 +155,7 @@ namespace GitHub.Runner.Common.Tests.Listener
             }
         }
 
-        public static TheoryData<string[], bool, Times> RunAsServiceTestData = new TheoryData<string[], bool, Times>()
+        public static TheoryData<string[], bool, Times> RunAsServiceTestData = new()
                                                                     {
                                                                         // staring with run command, configured as run as service, should start the runner
                                                                         { new [] { "run" }, true, Times.Once() },

src/Test/L0/Listener/SelfUpdaterL0.cs

@@ -22,8 +22,8 @@ namespace GitHub.Runner.Common.Tests.Listener
         private Mock<ITerminal> _term;
         private Mock<IConfigurationStore> _configStore;
         private Mock<IJobDispatcher> _jobDispatcher;
-        private AgentRefreshMessage _refreshMessage = new AgentRefreshMessage(1, "2.299.0");
+        private AgentRefreshMessage _refreshMessage = new(1, "2.299.0");
-        private List<TrimmedPackageMetadata> _trimmedPackages = new List<TrimmedPackageMetadata>();
+        private List<TrimmedPackageMetadata> _trimmedPackages = new();
 
 #if !OS_WINDOWS
         private string _packageUrl = null;
@@ -52,7 +52,7 @@ namespace GitHub.Runner.Common.Tests.Listener
                 if (response.StatusCode == System.Net.HttpStatusCode.Redirect)
                 {
                     var redirectUrl = response.Headers.Location.ToString();
-                    Regex regex = new Regex(@"/runner/releases/tag/v(?<version>\d+\.\d+\.\d+)");
+                    Regex regex = new(@"/runner/releases/tag/v(?<version>\d+\.\d+\.\d+)");
                     var match = regex.Match(redirectUrl);
                     if (match.Success)
                     {

src/Test/L0/PackagesTrimL0.cs

@@ -20,7 +20,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task RunnerLayoutParts_NewFilesCrossAll()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
                 var runnerCoreAssetsFile = Path.Combine(TestUtil.GetSrcPath(), @"Misc/runnercoreassets");
@@ -53,7 +53,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task RunnerLayoutParts_OverlapFiles()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
                 var runnerCoreAssetsFile = Path.Combine(TestUtil.GetSrcPath(), @"Misc/runnercoreassets");
@@ -77,7 +77,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task RunnerLayoutParts_NewRunnerCoreAssets()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
                 var runnerCoreAssetsFile = Path.Combine(TestUtil.GetSrcPath(), @"Misc/runnercoreassets");
@@ -120,7 +120,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task RunnerLayoutParts_NewDotnetRuntimeAssets()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
                 var runnerDotnetRuntimeFile = Path.Combine(TestUtil.GetSrcPath(), @"Misc/runnerdotnetruntimeassets");
@@ -156,7 +156,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task RunnerLayoutParts_CheckDotnetRuntimeHash()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
                 var dotnetRuntimeHashFile = Path.Combine(TestUtil.GetSrcPath(), $"Misc/contentHash/dotnetRuntime/{BuildConstants.RunnerPackage.PackageName}");
@@ -217,7 +217,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task RunnerLayoutParts_CheckExternalsHash()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
                 var externalsHashFile = Path.Combine(TestUtil.GetSrcPath(), $"Misc/contentHash/externals/{BuildConstants.RunnerPackage.PackageName}");

src/Test/L0/PagingLoggerL0.cs

@@ -19,7 +19,7 @@ namespace GitHub.Runner.Common.Tests.Listener
 
         private void CleanLogFolder()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 //clean test data if any old test forgot
                 string pagesFolder = Path.Combine(hc.GetDirectory(WellKnownDirectory.Diag), PagingLogger.PagingFolder);

src/Test/L0/ProcessExtensionL0.cs

@@ -16,7 +16,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task SuccessReadProcessEnv()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 

src/Test/L0/ProcessInvokerL0.cs

@@ -63,7 +63,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task SuccessExitsWithCodeZero()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -86,7 +86,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task SetCIEnv()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 var existingCI = Environment.GetEnvironmentVariable("CI");
                 try
@@ -134,7 +134,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task KeepExistingCIEnv()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 var existingCI = Environment.GetEnvironmentVariable("CI");
                 try
@@ -185,7 +185,7 @@ namespace GitHub.Runner.Common.Tests
         public async Task TestCancel()
         {
             const int SecondsToRun = 20;
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             using (var tokenSource = new CancellationTokenSource())
             {
                 Tracing trace = hc.GetTrace();
@@ -234,13 +234,13 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task RedirectSTDINCloseStream()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
                 Int32 exitCode = -1;
                 Channel<string> redirectSTDIN = Channel.CreateUnbounded<string>(new UnboundedChannelOptions() { SingleReader = true, SingleWriter = true });
-                List<string> stdout = new List<string>();
+                List<string> stdout = new();
                 redirectSTDIN.Writer.TryWrite("Single line of STDIN");
 
                 var processInvoker = new ProcessInvokerWrapper();
@@ -284,13 +284,13 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Common")]
         public async Task RedirectSTDINKeepStreamOpen()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
-                CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();
+                CancellationTokenSource cancellationTokenSource = new();
                 Int32 exitCode = -1;
                 Channel<string> redirectSTDIN = Channel.CreateUnbounded<string>(new UnboundedChannelOptions() { SingleReader = true, SingleWriter = true });
-                List<string> stdout = new List<string>();
+                List<string> stdout = new();
                 redirectSTDIN.Writer.TryWrite("Single line of STDIN");
 
                 var processInvoker = new ProcessInvokerWrapper();
@@ -339,7 +339,7 @@ namespace GitHub.Runner.Common.Tests
             string testProcPath = $"/proc/{Process.GetCurrentProcess().Id}/oom_score_adj";
             if (File.Exists(testProcPath))
             {
-                using (TestHostContext hc = new TestHostContext(this))
+                using (TestHostContext hc = new(this))
                 using (var tokenSource = new CancellationTokenSource())
                 {
                     Tracing trace = hc.GetTrace();
@@ -375,7 +375,7 @@ namespace GitHub.Runner.Common.Tests
             string testProcPath = $"/proc/{Process.GetCurrentProcess().Id}/oom_score_adj";
             if (File.Exists(testProcPath))
             {
-                using (TestHostContext hc = new TestHostContext(this))
+                using (TestHostContext hc = new(this))
                 using (var tokenSource = new CancellationTokenSource())
                 {
                     Tracing trace = hc.GetTrace();
@@ -415,7 +415,7 @@ namespace GitHub.Runner.Common.Tests
             {
                 int testProcOomScoreAdj = 123;
                 File.WriteAllText(testProcPath, testProcOomScoreAdj.ToString());
-                using (TestHostContext hc = new TestHostContext(this))
+                using (TestHostContext hc = new(this))
                 using (var tokenSource = new CancellationTokenSource())
                 {
                     Tracing trace = hc.GetTrace();

src/Test/L0/RunnerWebProxyL0.cs

@@ -11,9 +11,9 @@ namespace GitHub.Runner.Common.Tests
 {
     public sealed class RunnerWebProxyL0
     {
-        private static readonly Regex NewHttpClientHandlerRegex = new Regex("New\\s+HttpClientHandler\\s*\\(", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static readonly Regex NewHttpClientHandlerRegex = new("New\\s+HttpClientHandler\\s*\\(", RegexOptions.Compiled | RegexOptions.IgnoreCase);
-        private static readonly Regex NewHttpClientRegex = new Regex("New\\s+HttpClient\\s*\\(\\s*\\)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static readonly Regex NewHttpClientRegex = new("New\\s+HttpClient\\s*\\(\\s*\\)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
-        private static readonly List<string> SkippedFiles = new List<string>()
+        private static readonly List<string> SkippedFiles = new()
         {
             "Runner.Common\\HostContext.cs",
             "Runner.Common/HostContext.cs",
@@ -39,7 +39,7 @@ namespace GitHub.Runner.Common.Tests
                     "*.cs",
                     SearchOption.AllDirectories));
 
-            List<string> badCode = new List<string>();
+            List<string> badCode = new();
             foreach (string sourceFile in sourceFiles)
             {
                 // Skip skipped files.
@@ -86,7 +86,7 @@ namespace GitHub.Runner.Common.Tests
                     "*.cs",
                     SearchOption.AllDirectories));
 
-            List<string> badCode = new List<string>();
+            List<string> badCode = new();
             foreach (string sourceFile in sourceFiles)
             {
                 // Skip skipped files.

src/Test/L0/ServiceControlManagerL0.cs

@@ -11,7 +11,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Service")]
         public void CalculateServiceName()
         {
-            RunnerSettings settings = new RunnerSettings();
+            RunnerSettings settings = new();
 
             settings.AgentName = "thisiskindofalongrunnerabcde";
             settings.ServerUrl = "https://example.githubusercontent.com/12345678901234567890123456789012345678901234567890";
@@ -22,7 +22,7 @@ namespace GitHub.Runner.Common.Tests
 
             using (TestHostContext hc = CreateTestContext())
             {
-                ServiceControlManager scm = new ServiceControlManager();
+                ServiceControlManager scm = new();
 
                 scm.Initialize(hc);
                 scm.CalculateServiceName(
@@ -50,7 +50,7 @@ namespace GitHub.Runner.Common.Tests
         [Trait("Category", "Service")]
         public void CalculateServiceName80Chars()
         {
-            RunnerSettings settings = new RunnerSettings();
+            RunnerSettings settings = new();
 
             settings.AgentName = "thisiskindofalongrunnernabcde";
             settings.ServerUrl = "https://example.githubusercontent.com/12345678901234567890123456789012345678901234567890";
@@ -61,7 +61,7 @@ namespace GitHub.Runner.Common.Tests
 
             using (TestHostContext hc = CreateTestContext())
             {
-                ServiceControlManager scm = new ServiceControlManager();
+                ServiceControlManager scm = new();
 
                 scm.Initialize(hc);
                 scm.CalculateServiceName(
@@ -169,7 +169,7 @@ namespace GitHub.Runner.Common.Tests
             [Trait("Category", "Service")]
             public void CalculateServiceNameLimitsServiceNameTo150Chars()
             {
-                RunnerSettings settings = new RunnerSettings();
+                RunnerSettings settings = new();
 
                 settings.AgentName = "thisisareallyreallylongbutstillvalidagentnameiamusingforthisexampletotestverylongnamelimits";
                 settings.ServerUrl = "https://example.githubusercontent.com/12345678901234567890123456789012345678901234567890";
@@ -180,7 +180,7 @@ namespace GitHub.Runner.Common.Tests
 
                 using (TestHostContext hc = CreateTestContext())
                 {
-                    ServiceControlManager scm = new ServiceControlManager();
+                    ServiceControlManager scm = new();
 
                     scm.Initialize(hc);
                     scm.CalculateServiceName(
@@ -206,7 +206,7 @@ namespace GitHub.Runner.Common.Tests
 
         private TestHostContext CreateTestContext([CallerMemberName] string testName = "")
         {
-            TestHostContext hc = new TestHostContext(this, testName);
+            TestHostContext hc = new(this, testName);
 
             return hc;
         }

src/Test/L0/TestHostContext.cs

@@ -17,12 +17,12 @@ namespace GitHub.Runner.Common.Tests
 {
     public sealed class TestHostContext : IHostContext, IDisposable
     {
-        private readonly ConcurrentDictionary<Type, ConcurrentQueue<object>> _serviceInstances = new ConcurrentDictionary<Type, ConcurrentQueue<object>>();
+        private readonly ConcurrentDictionary<Type, ConcurrentQueue<object>> _serviceInstances = new();
-        private readonly ConcurrentDictionary<Type, object> _serviceSingletons = new ConcurrentDictionary<Type, object>();
+        private readonly ConcurrentDictionary<Type, object> _serviceSingletons = new();
         private readonly ITraceManager _traceManager;
         private readonly Terminal _term;
         private readonly SecretMasker _secretMasker;
-        private CancellationTokenSource _runnerShutdownTokenSource = new CancellationTokenSource();
+        private CancellationTokenSource _runnerShutdownTokenSource = new();
         private string _suiteName;
         private string _testName;
         private Tracing _trace;
@@ -86,9 +86,9 @@ namespace GitHub.Runner.Common.Tests
             }
         }
 
-        public List<ProductInfoHeaderValue> UserAgents => new List<ProductInfoHeaderValue>() { new ProductInfoHeaderValue("L0Test", "0.0") };
+        public List<ProductInfoHeaderValue> UserAgents => new() { new ProductInfoHeaderValue("L0Test", "0.0") };
 
-        public RunnerWebProxy WebProxy => new RunnerWebProxy();
+        public RunnerWebProxy WebProxy => new();
 
         public async Task Delay(TimeSpan delay, CancellationToken token)
         {

src/Test/L0/Util/ArgUtilL0.cs

@@ -11,7 +11,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Equal_MatchesObjectEquality()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -29,12 +29,12 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Equal_MatchesReferenceEquality()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
                 // Arrange.
-                object expected = new object();
+                object expected = new();
                 object actual = expected;
 
                 // Act/Assert.
@@ -47,7 +47,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Equal_MatchesStructEquality()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -65,12 +65,12 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Equal_ThrowsWhenActualObjectIsNull()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
                 // Arrange.
-                object expected = new object();
+                object expected = new();
                 object actual = null;
 
                 // Act/Assert.
@@ -86,13 +86,13 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Equal_ThrowsWhenExpectedObjectIsNull()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
                 // Arrange.
                 object expected = null;
-                object actual = new object();
+                object actual = new();
 
                 // Act/Assert.
                 Assert.Throws<ArgumentOutOfRangeException>(() =>
@@ -107,13 +107,13 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Equal_ThrowsWhenObjectsAreNotEqual()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
                 // Arrange.
-                object expected = new object();
+                object expected = new();
-                object actual = new object();
+                object actual = new();
 
                 // Act/Assert.
                 Assert.Throws<ArgumentOutOfRangeException>(() =>
@@ -128,7 +128,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Equal_ThrowsWhenStructsAreNotEqual()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 

src/Test/L0/Util/IOUtilL0.cs

@@ -15,7 +15,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Delete_DeletesDirectory()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -49,7 +49,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void Delete_DeletesFile()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -83,7 +83,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteDirectory_DeletesDirectoriesRecursively()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -115,7 +115,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public async Task DeleteDirectory_DeletesDirectoryReparsePointChain()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -179,7 +179,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public async Task DeleteDirectory_DeletesDirectoryReparsePointsBeforeDirectories()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -230,7 +230,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteDirectory_DeletesFilesRecursively()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -264,7 +264,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteDirectory_DeletesReadOnlyDirectories()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -305,7 +305,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteDirectory_DeletesReadOnlyRootDirectory()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -341,7 +341,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteDirectory_DeletesReadOnlyFiles()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -381,7 +381,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public async Task DeleteDirectory_DoesNotFollowDirectoryReparsePoint()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -428,7 +428,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public async Task DeleteDirectory_DoesNotFollowNestLevel1DirectoryReparsePoint()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -477,7 +477,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public async Task DeleteDirectory_DoesNotFollowNestLevel2DirectoryReparsePoint()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -528,7 +528,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteDirectory_IgnoresFile()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -563,7 +563,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteFile_DeletesFile()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -597,7 +597,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteFile_DeletesReadOnlyFile()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -637,7 +637,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void DeleteFile_IgnoresDirectory()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -670,7 +670,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void GetRelativePath()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -768,7 +768,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void ResolvePath()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -867,7 +867,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void ValidateExecutePermission_DoesNotExceedFailsafe()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -896,7 +896,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void ValidateExecutePermission_ExceedsFailsafe()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 

src/Test/L0/Util/StringUtilL0.cs

@@ -12,7 +12,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void FormatAlwaysCallsFormat()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -48,7 +48,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void FormatHandlesFormatException()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 
@@ -79,7 +79,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void FormatUsesInvariantCulture()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 CultureInfo originalCulture = CultureInfo.CurrentCulture;
@@ -105,7 +105,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void ConvertNullOrEmptryStringToBool()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 string nullString = null;
@@ -126,7 +126,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void ConvertNullOrEmptryStringToDefaultBool()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 string nullString = null;
@@ -147,7 +147,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void ConvertStringToBool()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 string trueString1 = "1";

src/Test/L0/Util/TaskResultUtilL0.cs

@@ -12,7 +12,7 @@ namespace GitHub.Runner.Common.Tests.Util
         public void TaskResultReturnCodeTranslate()
         {
             // Arrange.
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Act.
                 TaskResult abandon = TaskResultUtil.TranslateFromReturnCode(TaskResultUtil.TranslateToReturnCode(TaskResult.Abandoned));
@@ -57,7 +57,7 @@ namespace GitHub.Runner.Common.Tests.Util
         public void TaskResultsMerge()
         {
             // Arrange.
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 TaskResult merged;
 

src/Test/L0/Util/VssUtilL0.cs

@@ -12,7 +12,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void VerifyOverwriteVssConnectionSetting()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 Tracing trace = hc.GetTrace();
 

src/Test/L0/Util/WhichUtilL0.cs

@@ -13,7 +13,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void UseWhichFindGit()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 //Arrange
                 Tracing trace = hc.GetTrace();
@@ -33,7 +33,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void WhichReturnsNullWhenNotFound()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 //Arrange
                 Tracing trace = hc.GetTrace();
@@ -53,7 +53,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void WhichThrowsWhenRequireAndNotFound()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 //Arrange
                 Tracing trace = hc.GetTrace();
@@ -76,7 +76,7 @@ namespace GitHub.Runner.Common.Tests.Util
         [Trait("Category", "Common")]
         public void WhichHandleFullyQualifiedPath()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 //Arrange
                 Tracing trace = hc.GetTrace();

src/Test/L0/Worker/ActionCommandL0.cs

@@ -18,7 +18,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 string message;
                 ActionCommand test;
                 ActionCommand verify;
-                HashSet<string> commands = new HashSet<string>() { "do-something" };
+                HashSet<string> commands = new() { "do-something" };
                 //##[do-something k1=v1;]msg
                 message = "##[do-something k1=v1;]msg";
                 test = new ActionCommand("do-something")
@@ -99,7 +99,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 string message;
                 ActionCommand test;
                 ActionCommand verify;
-                HashSet<string> commands = new HashSet<string>() { "do-something" };
+                HashSet<string> commands = new() { "do-something" };
                 //::do-something k1=v1;]msg
                 message = "::do-something k1=v1,::msg";
                 test = new ActionCommand("do-something")

src/Test/L0/Worker/ActionCommandManagerL0.cs

@@ -228,8 +228,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             {
                 // Set up a few things
                 // 1. Job request message (with ACTIONS_STEP_DEBUG = true)
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);

src/Test/L0/Worker/ActionManagerL0.cs

@@ -1028,7 +1028,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 //Arrange
                 Setup();
 
-                Pipelines.ActionStep instance = new Pipelines.ActionStep()
+                Pipelines.ActionStep instance = new()
                 {
                     Id = Guid.NewGuid(),
                     Reference = new Pipelines.ContainerRegistryReference()
@@ -1065,7 +1065,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 //Arrange
                 Setup();
 
-                Pipelines.ActionStep instance = new Pipelines.ActionStep()
+                Pipelines.ActionStep instance = new()
                 {
                     Id = Guid.NewGuid(),
                     Reference = new Pipelines.ScriptReference()
@@ -1137,7 +1137,7 @@ runs:
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
 
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1236,7 +1236,7 @@ runs:
                 Assert.Equal(directory, definition.Directory);
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1328,7 +1328,7 @@ runs:
                 Assert.Equal(directory, definition.Directory);
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1397,7 +1397,7 @@ runs:
                 Assert.Equal(directory, definition.Directory);
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1479,7 +1479,7 @@ runs:
                 Assert.Equal(directory, definition.Directory);
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1555,7 +1555,7 @@ runs:
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
 
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1653,7 +1653,7 @@ runs:
                 Assert.Equal(directory, definition.Directory);
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1745,7 +1745,7 @@ runs:
                 Assert.Equal(directory, definition.Directory);
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1814,7 +1814,7 @@ runs:
                 Assert.Equal(directory, definition.Directory);
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1893,7 +1893,7 @@ runs:
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
 
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;
@@ -1983,7 +1983,7 @@ runs:
                 Assert.Equal(directory, definition.Directory);
                 Assert.NotNull(definition.Data);
                 Assert.NotNull(definition.Data.Inputs); // inputs
-                Dictionary<string, string> inputDefaults = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+                Dictionary<string, string> inputDefaults = new(StringComparer.OrdinalIgnoreCase);
                 foreach (var input in definition.Data.Inputs)
                 {
                     var name = input.Key.AssertString("key").Value;

src/Test/L0/Worker/ActionRunnerL0.cs

@@ -34,7 +34,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         private IActionManifestManager _actionManifestManager;
         private Mock<IFileCommandManager> _fileCommandManager;
 
-        private DictionaryContextData _context = new DictionaryContextData();
+        private DictionaryContextData _context = new();
 
         [Fact]
         [Trait("Level", "L0")]
@@ -60,7 +60,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             _actionRunner.Action = action;
 
-            Dictionary<string, string> finialInputs = new Dictionary<string, string>();
+            Dictionary<string, string> finialInputs = new();
             _handlerFactory.Setup(x => x.Create(It.IsAny<IExecutionContext>(), It.IsAny<ActionStepDefinitionReference>(), It.IsAny<IStepHost>(), It.IsAny<ActionExecutionData>(), It.IsAny<Dictionary<string, string>>(), It.IsAny<Dictionary<string, string>>(), It.IsAny<Variables>(), It.IsAny<string>(), It.IsAny<List<JobExtensionRunner>>()))
                            .Callback((IExecutionContext executionContext, Pipelines.ActionStepDefinitionReference actionReference, IStepHost stepHost, ActionExecutionData data, Dictionary<string, string> inputs, Dictionary<string, string> environment, Variables runtimeVariables, string taskDirectory, List<JobExtensionRunner> localActionContainerSetupSteps) =>
                            {
@@ -106,7 +106,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             _actionRunner.Action = action;
 
-            Dictionary<string, string> finialInputs = new Dictionary<string, string>();
+            Dictionary<string, string> finialInputs = new();
             _handlerFactory.Setup(x => x.Create(It.IsAny<IExecutionContext>(), It.IsAny<ActionStepDefinitionReference>(), It.IsAny<IStepHost>(), It.IsAny<ActionExecutionData>(), It.IsAny<Dictionary<string, string>>(), It.IsAny<Dictionary<string, string>>(), It.IsAny<Variables>(), It.IsAny<string>(), It.IsAny<List<JobExtensionRunner>>()))
                            .Callback((IExecutionContext executionContext, Pipelines.ActionStepDefinitionReference actionReference, IStepHost stepHost, ActionExecutionData data, Dictionary<string, string> inputs, Dictionary<string, string> environment, Variables runtimeVariables, string taskDirectory, List<JobExtensionRunner> localActionContainerSetupSteps) =>
                            {
@@ -307,7 +307,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             _actionRunner.Action = action;
 
-            Dictionary<string, string> finialInputs = new Dictionary<string, string>();
+            Dictionary<string, string> finialInputs = new();
             _handlerFactory.Setup(x => x.Create(It.IsAny<IExecutionContext>(), It.IsAny<ActionStepDefinitionReference>(), It.IsAny<IStepHost>(), It.IsAny<ActionExecutionData>(), It.IsAny<Dictionary<string, string>>(), It.IsAny<Dictionary<string, string>>(), It.IsAny<Variables>(), It.IsAny<string>(), It.IsAny<List<JobExtensionRunner>>()))
                            .Callback((IExecutionContext executionContext, Pipelines.ActionStepDefinitionReference actionReference, IStepHost stepHost, ActionExecutionData data, Dictionary<string, string> inputs, Dictionary<string, string> environment, Variables runtimeVariables, string taskDirectory, List<JobExtensionRunner> localActionContainerSetupSteps) =>
                            {
@@ -358,7 +358,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             _actionRunner.Action = action;
 
-            Dictionary<string, string> finialInputs = new Dictionary<string, string>();
+            Dictionary<string, string> finialInputs = new();
             _handlerFactory.Setup(x => x.Create(It.IsAny<IExecutionContext>(), It.IsAny<ActionStepDefinitionReference>(), It.IsAny<IStepHost>(), It.IsAny<ActionExecutionData>(), It.IsAny<Dictionary<string, string>>(), It.IsAny<Dictionary<string, string>>(), It.IsAny<Variables>(), It.IsAny<string>(), It.IsAny<List<JobExtensionRunner>>()))
                            .Callback((IExecutionContext executionContext, Pipelines.ActionStepDefinitionReference actionReference, IStepHost stepHost, ActionExecutionData data, Dictionary<string, string> inputs, Dictionary<string, string> environment, Variables runtimeVariables, string taskDirectory, List<JobExtensionRunner> localActionContainerSetupSteps) =>
                            {

src/Test/L0/Worker/ContainerOperationProviderL0.cs

@@ -22,12 +22,12 @@ namespace GitHub.Runner.Common.Tests.Worker
         private ContainerOperationProvider containerOperationProvider;
         private Mock<IJobServerQueue> serverQueue;
         private Mock<IPagingLogger> pagingLogger;
-        private List<string> healthyDockerStatus = new List<string> { "healthy" };
+        private List<string> healthyDockerStatus = new() { "healthy" };
-        private List<string> emptyDockerStatus = new List<string> { string.Empty };
+        private List<string> emptyDockerStatus = new() { string.Empty };
-        private List<string> unhealthyDockerStatus = new List<string> { "unhealthy" };
+        private List<string> unhealthyDockerStatus = new() { "unhealthy" };
-        private List<string> dockerLogs = new List<string> { "log1", "log2", "log3" };
+        private List<string> dockerLogs = new() { "log1", "log2", "log3" };
 
-        List<ContainerInfo> containers = new List<ContainerInfo>();
+        List<ContainerInfo> containers = new();
 
         [Fact]
         [Trait("Level", "L0")]

src/Test/L0/Worker/CreateStepSummaryCommandL0.cs

@@ -189,8 +189,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             _issues = new List<Tuple<DTWebApi.Issue, string>>();
 
             // Setup a job request
-            TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+            TaskOrchestrationPlanReference plan = new();
-            TimelineReference timeline = new TimelineReference();
+            TimelineReference timeline = new();
             Guid jobId = Guid.NewGuid();
             string jobName = "Summary Job";
             var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);

src/Test/L0/Worker/ExecutionContextL0.cs

@@ -25,8 +25,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -101,8 +101,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -157,8 +157,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -211,8 +211,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
 
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -260,8 +260,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -311,8 +311,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -409,8 +409,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -493,8 +493,8 @@ namespace GitHub.Runner.Common.Tests.Worker
         {
             using (TestHostContext hc = CreateTestContext())
             {
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -548,8 +548,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -591,8 +591,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -655,8 +655,8 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = CreateTestContext())
             {
                 // Arrange: Create a job request message.
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
@@ -851,8 +851,8 @@ namespace GitHub.Runner.Common.Tests.Worker
         {
             using (TestHostContext hc = CreateTestContext())
             {
-                TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+                TaskOrchestrationPlanReference plan = new();
-                TimelineReference timeline = new TimelineReference();
+                TimelineReference timeline = new();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
                 var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);

src/Test/L0/Worker/HandlerFactoryL0.cs

@@ -56,7 +56,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 {
                     variables["DistributedTask.ForceGithubJavascriptActionsToNode16"] = serverFeatureFlag;
                 }
-                Variables serverVariables = new Variables(hc, variables);
+                Variables serverVariables = new(hc, variables);
 
                 // Workflow opt-out
                 var workflowVariables = new Dictionary<string, string>();

src/Test/L0/Worker/JobExtensionL0.cs

@@ -67,10 +67,10 @@ namespace GitHub.Runner.Common.Tests.Worker
             }
 
             _tokenSource = new CancellationTokenSource();
-            TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+            TaskOrchestrationPlanReference plan = new();
             TimelineReference timeline = new Timeline(Guid.NewGuid());
 
-            List<Pipelines.ActionStep> steps = new List<Pipelines.ActionStep>()
+            List<Pipelines.ActionStep> steps = new()
             {
                 new Pipelines.ActionStep()
                 {
@@ -101,7 +101,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             Guid jobId = Guid.NewGuid();
             _message = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "test", "test", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), steps, null, null, null, null);
-            GitHubContext github = new GitHubContext();
+            GitHubContext github = new();
             github["repository"] = new Pipelines.ContextData.StringContextData("actions/runner");
             github["secret_source"] = new Pipelines.ContextData.StringContextData("Actions");
             _message.ContextData.Add("github", github);

src/Test/L0/Worker/JobRunnerL0.cs

@@ -15,7 +15,7 @@ namespace GitHub.Runner.Common.Tests.Worker
     {
         private IExecutionContext _jobEc;
         private JobRunner _jobRunner;
-        private List<IStep> _initResult = new List<IStep>();
+        private List<IStep> _initResult = new();
         private Pipelines.AgentJobRequestMessage _message;
         private CancellationTokenSource _tokenSource;
         private Mock<IJobServer> _jobServer;
@@ -55,7 +55,7 @@ namespace GitHub.Runner.Common.Tests.Worker
             _jobRunner = new JobRunner();
             _jobRunner.Initialize(hc);
 
-            TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
+            TaskOrchestrationPlanReference plan = new();
             TimelineReference timeline = new Timeline(Guid.NewGuid());
             Guid jobId = Guid.NewGuid();
             _message = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, testName, testName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);

src/Test/L0/Worker/PipelineDirectoryManagerL0.cs

@@ -199,13 +199,13 @@ namespace GitHub.Runner.Common.Tests.Worker
             [CallerMemberName] string name = "")
         {
             // Setup the host context.
-            TestHostContext hc = new TestHostContext(this, name);
+            TestHostContext hc = new(this, name);
 
             // Setup the execution context.
             _ec = new Mock<IExecutionContext>();
             _ec.Setup(x => x.Global).Returns(new GlobalContext());
 
-            GitHubContext githubContext = new GitHubContext();
+            GitHubContext githubContext = new();
             _ec.Setup(x => x.GetGitHubContext("repository")).Returns("actions/runner");
 
             // Store the expected tracking file path.

src/Test/L0/Worker/StepsRunnerL0.cs

@@ -27,7 +27,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         private TestHostContext CreateTestContext([CallerMemberName] String testName = "")
         {
             var hc = new TestHostContext(this, testName);
-            Dictionary<string, VariableValue> variablesToCopy = new Dictionary<string, VariableValue>();
+            Dictionary<string, VariableValue> variablesToCopy = new();
             _variables = new Variables(
                 hostContext: hc,
                 copy: variablesToCopy);

src/Test/L0/Worker/TrackingManagerL0.cs

@@ -16,14 +16,14 @@ namespace GitHub.Runner.Common.Tests.Worker
         public TestHostContext Setup([CallerMemberName] string name = "")
         {
             // Setup the host context.
-            TestHostContext hc = new TestHostContext(this, name);
+            TestHostContext hc = new(this, name);
 
             // Create a random work path.
             _workFolder = hc.GetDirectory(WellKnownDirectory.Work);
 
             // Setup the execution context.
             _ec = new Mock<IExecutionContext>();
-            GitHubContext githubContext = new GitHubContext();
+            GitHubContext githubContext = new();
             _ec.Setup(x => x.GetGitHubContext("repository")).Returns("actions/runner");
 
             // Setup the tracking manager.
@@ -113,7 +113,7 @@ namespace GitHub.Runner.Common.Tests.Worker
             using (TestHostContext hc = Setup())
             {
                 // Arrange.
-                TrackingConfig config = new TrackingConfig() { RepositoryName = "actions/runner" };
+                TrackingConfig config = new() { RepositoryName = "actions/runner" };
                 string trackingFile = Path.Combine(_workFolder, "trackingconfig.json");
 
                 // Act.

src/Test/L0/Worker/VariablesL0.cs

@@ -14,7 +14,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         [Trait("Category", "Worker")]
         public void Constructor_AppliesMaskHints()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var copy = new Dictionary<string, VariableValue>
@@ -36,7 +36,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         [Trait("Category", "Worker")]
         public void Constructor_HandlesNullValue()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var copy = new Dictionary<string, VariableValue>
@@ -59,7 +59,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         [Trait("Category", "Worker")]
         public void Constructor_SetsNullAsEmpty()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var copy = new Dictionary<string, VariableValue>
@@ -80,7 +80,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         [Trait("Category", "Worker")]
         public void Constructor_SetsOrdinalIgnoreCaseComparer()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 CultureInfo currentCulture = CultureInfo.CurrentCulture;
@@ -115,7 +115,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         [Trait("Category", "Worker")]
         public void Constructor_SkipVariableWithEmptyName()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var copy = new Dictionary<string, VariableValue>
@@ -139,7 +139,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         [Trait("Category", "Worker")]
         public void Get_ReturnsNullIfNotFound()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var variables = new Variables(hc, new Dictionary<string, VariableValue>());
@@ -157,7 +157,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         [Trait("Category", "Worker")]
         public void GetBoolean_DoesNotThrowWhenNull()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var variables = new Variables(hc, new Dictionary<string, VariableValue>());
@@ -175,7 +175,7 @@ namespace GitHub.Runner.Common.Tests.Worker
         [Trait("Category", "Worker")]
         public void GetEnum_DoesNotThrowWhenNull()
         {
-            using (TestHostContext hc = new TestHostContext(this))
+            using (TestHostContext hc = new(this))
             {
                 // Arrange.
                 var variables = new Variables(hc, new Dictionary<string, VariableValue>());

src/Test/L0/Worker/WorkerL0.cs

@@ -25,17 +25,17 @@ namespace GitHub.Runner.Common.Tests.Worker
 
         private Pipelines.AgentJobRequestMessage CreateJobRequestMessage(string jobName)
         {
-            TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference() { PlanId = Guid.NewGuid() };
+            TaskOrchestrationPlanReference plan = new() { PlanId = Guid.NewGuid() };
             TimelineReference timeline = null;
-            Dictionary<string, VariableValue> variables = new Dictionary<string, VariableValue>(StringComparer.OrdinalIgnoreCase);
+            Dictionary<string, VariableValue> variables = new(StringComparer.OrdinalIgnoreCase);
             variables[Constants.Variables.System.Culture] = "en-US";
-            Pipelines.JobResources resources = new Pipelines.JobResources();
+            Pipelines.JobResources resources = new();
             var serviceEndpoint = new ServiceEndpoint();
             serviceEndpoint.Authorization = new EndpointAuthorization();
             serviceEndpoint.Authorization.Parameters.Add("nullValue", null);
             resources.Endpoints.Add(serviceEndpoint);
 
-            List<Pipelines.ActionStep> actions = new List<Pipelines.ActionStep>();
+            List<Pipelines.ActionStep> actions = new();
             actions.Add(new Pipelines.ActionStep()
             {
                 Id = Guid.NewGuid(),