Test/net crash test

Directory.Build.targets

@@ -42,6 +42,7 @@
 
     <DefineConstants>$(DefineConstants);FEATURE_ARGITERATOR</DefineConstants>
     <DefineConstants>$(DefineConstants);FEATURE_DICTIONARY_REMOVE_CONTINUEENUMERATION</DefineConstants>
+    <DefineConstants>$(DefineConstants);FEATURE_PROCESS_KILL_ENTIREPROCESSTREE</DefineConstants>
     <DefineConstants>$(DefineConstants);FEATURE_STRING_CONCAT_READONLYSPAN</DefineConstants>
 
   </PropertyGroup>

src/Lucene.Net.TestFramework/Support/Util/RandomizedContext.cs

@@ -49,7 +49,7 @@ public RandomizedContext(Test currentTest, Assembly currentTestAssembly, long ra
             this.currentTest = currentTest ?? throw new ArgumentNullException(nameof(currentTest));
             this.currentTestAssembly = currentTestAssembly ?? throw new ArgumentNullException(nameof(currentTestAssembly));
             this.randomSeed = randomSeed;
-            this.randomSeedAsHex = "0x" + randomSeed.ToHexString();
+            this.randomSeedAsHex = SeedUtils.FormatSeed(randomSeed);
             this.testSeed = testSeed;
         }
 

src/Lucene.Net.TestFramework/Support/Util/SeedUtils.cs

@@ -0,0 +1,22 @@
+using J2N;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Lucene.Net.Util
+{
+    /// <summary>
+    /// Utilities for parsing and formatting random seeds.
+    /// </summary>
+    internal static class SeedUtils
+    {
+        /// <summary>
+        /// Format a single <paramref name="seed"/>.
+        /// </summary>
+        // LUCENENET: Our format deviates from the Java randomizedtesting implementation
+        public static string FormatSeed(long seed)
+            => string.Concat("0x", seed.ToHexString());
+    }
+}

src/Lucene.Net.TestFramework/Util/LuceneTestCase.cs

@@ -2919,8 +2919,8 @@ public static DirectoryInfo CreateTempDir()
         }
 
         /// <summary>
-        /// Creates an empty, temporary folder with the given name prefix under the
-        /// system's <see cref="Path.GetTempPath()"/>.
+        /// Creates an empty, temporary folder with the given name <paramref name="prefix"/> under the
+        /// system's <see cref="Path.GetTempPath()"/> or if supplied, the <c>tempDir</c> system property.
         /// 
         /// <para/>The folder will be automatically removed after the
         /// test class completes successfully. The test should close any file handles that would prevent
@@ -2929,6 +2929,7 @@ public static DirectoryInfo CreateTempDir()
         public static DirectoryInfo CreateTempDir(string prefix)
         {
             //DirectoryInfo @base = BaseTempDirForTestClass();
+            string @base = SystemProperties.GetProperty("tempDir", System.IO.Path.GetTempPath());
 
             int attempt = 0;
             DirectoryInfo f;
@@ -2942,7 +2943,7 @@ public static DirectoryInfo CreateTempDir(string prefix)
                 // LUCENENET specific - need to use a random file name instead of a sequential one or two threads may attempt to do 
                 // two operations on a file at the same time.
                 //f = new DirectoryInfo(Path.Combine(System.IO.Path.GetTempPath(), "LuceneTemp", prefix + "-" + attempt));
-                f = new DirectoryInfo(Path.Combine(System.IO.Path.GetTempPath(), "LuceneTemp", prefix + "-" + Path.GetFileNameWithoutExtension(Path.GetRandomFileName())));
+                f = new DirectoryInfo(Path.Combine(@base, "LuceneTemp", prefix + "-" + Path.GetFileNameWithoutExtension(Path.GetRandomFileName())));
 
                 try
                 {
@@ -2963,19 +2964,20 @@ public static DirectoryInfo CreateTempDir(string prefix)
         }
 
         /// <summary>
-        /// Creates an empty file with the given prefix and suffix under the
-        /// system's <see cref="Path.GetTempPath()"/>.
+        /// Creates an empty file with the given <paramref name="prefix"/> and <paramref name="suffix"/> under the
+        /// system's <see cref="Path.GetTempPath()"/> or if supplied, the <c>tempDir</c> system property.
         ///
         /// <para/>The file will be automatically removed after the
         /// test class completes successfully. The test should close any file handles that would prevent
-        /// the folder from being removed.
+        /// the file from being removed.
         /// </summary>
         public static FileInfo CreateTempFile(string prefix, string suffix)
         {
             //DirectoryInfo @base = BaseTempDirForTestClass();
+            string @base = SystemProperties.GetProperty("tempDir", System.IO.Path.GetTempPath());
 
             //int attempt = 0;
-            FileInfo f = FileSupport.CreateTempFile(prefix, suffix, new DirectoryInfo(Path.GetTempPath()));
+            FileInfo f = FileSupport.CreateTempFile(prefix, suffix, @base);
             //do
             //{
             //    if (attempt++ >= TEMP_NAME_RETRY_THRESHOLD)
@@ -2992,6 +2994,10 @@ public static FileInfo CreateTempFile(string prefix, string suffix)
 
         /// <summary>
         /// Creates an empty temporary file.
+        ///
+        /// <para/>The file will be automatically removed after the
+        /// test class completes successfully. The test should close any file handles that would prevent
+        /// the file from being removed.
         /// </summary>
         /// <seealso cref="CreateTempFile(string, string)"/>
         public static FileInfo CreateTempFile()

src/Lucene.Net.Tests._I-J/Lucene.Net.Tests._I-J.csproj

@@ -86,6 +86,14 @@
 
   <Import Project="$(SolutionDir).build/TestReferences.Common.targets" />
 
+  <ItemGroup>
+    <!-- Add the target framework as metadata so our assembly knows which target it is testing -->
+    <AssemblyAttribute Include="System.Reflection.AssemblyMetadataAttribute">
+      <_Parameter1>TargetFramework</_Parameter1>
+      <_Parameter2>$(TargetFramework)</_Parameter2>
+    </AssemblyAttribute>
+  </ItemGroup>
+
   <ItemGroup>
     <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
   </ItemGroup>