[Windows] Implement new directories hierarchy (#8616)

images/windows/scripts/tests/Java.Tests.ps1

@@ -0,0 +1,40 @@
+Describe "Java" {
+    $toolsetJava = (Get-ToolsetContent).java
+    $defaultVersion = $toolsetJava.default
+    $jdkVersions = $toolsetJava.versions
+
+    [array]$testCases = $jdkVersions | ForEach-Object { @{Version = $_ } }
+
+    It "Java <DefaultJavaVersion> is default" -TestCases @(@{ DefaultJavaVersion = $defaultVersion }) {
+        $actualJavaPath = Get-EnvironmentVariable "JAVA_HOME"
+        $expectedJavaPath = Get-EnvironmentVariable "JAVA_HOME_${DefaultJavaVersion}_X64"
+
+        $actualJavaPath | Should -Not -BeNullOrEmpty
+        $expectedJavaPath | Should -Not -BeNullOrEmpty
+        $actualJavaPath | Should -Be $expectedJavaPath
+    }
+
+    It "<ToolName>" -TestCases @(
+        @{ ToolName = "java" }
+        @{ ToolName = "mvn" }
+        @{ ToolName = "ant" }
+        @{ ToolName = "gradle" }
+    ) {
+        "$ToolName -version" | Should -ReturnZeroExitCode
+    }
+
+    It "Java <Version>" -TestCases $testCases {
+        $javaVariableValue = Get-EnvironmentVariable "JAVA_HOME_${Version}_X64"
+        $javaVariableValue | Should -Not -BeNullOrEmpty
+        $javaPath = Join-Path $javaVariableValue "bin\java"
+
+        $result = Get-CommandResult "`"$javaPath`" -version"
+        $result.ExitCode | Should -Be 0
+
+        if ($Version -eq 8) {
+            $Version = "1.${Version}"
+        }
+        $outputPattern = "openjdk version `"${Version}"
+        $result.Output[0] | Should -Match $outputPattern
+    }
+}