Initial bringup of new set of ported GC tests.

12 files changed, 575 insertions, 36 deletions

diff --git a/tests/src/GC/Coverage/271010.cs b/tests/src/GC/Coverage/271010.cs
new file mode 100644
index 0000000000..64c1a19d27
--- /dev/null
+++ b/tests/src/GC/Coverage/271010.cs
@@ -0,0 +1,34 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/* DESCRIPTION: regression test for VSWhidbey 271010
+ *              Should throw OOM
+ */
+
+using System;
+using System.Runtime.CompilerServices;
+
+public class Test {
+
+    public static int Main() {
+
+        int[][] otherarray;
+
+        try
+        {
+            otherarray = new int[16384][];
+            for(int i=0;i<16384;i++)
+            {
+                otherarray[i] = new int[1024*500];
+            }
+        }
+        catch (System.OutOfMemoryException)
+        {
+            otherarray = null;
+            return 100;
+        }
+        return 1;
+
+    }
+}
diff --git a/tests/src/GC/Coverage/271010.csproj b/tests/src/GC/Coverage/271010.csproj
new file mode 100644
index 0000000000..60bb1b8dbb
--- /dev/null
+++ b/tests/src/GC/Coverage/271010.csproj
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+  </PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <!-- Add Compile Object Here -->
+    <Compile Include="271010.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="$(GCPackagesConfigFileDirectory)minimal\project.json" />
+  </ItemGroup>
+  <PropertyGroup>
+    <ProjectJson>$(GCPackagesConfigFileDirectory)minimal\project.json</ProjectJson>
+    <ProjectLockJson>$(GCPackagesConfigFileDirectory)minimal\project.lock.json</ProjectLockJson>
+  </PropertyGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' ">
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/tests/src/GC/Coverage/LargeObjectAlloc.csproj b/tests/src/GC/Coverage/LargeObjectAlloc.csproj
index f9152b3369..0784021a6a 100644
--- a/tests/src/GC/Coverage/LargeObjectAlloc.csproj
+++ b/tests/src/GC/Coverage/LargeObjectAlloc.csproj
@@ -30,8 +30,13 @@
     <Compile Include="LargeObjectAlloc.cs" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="project.json" />
+    <None Include="app.config" />
+    <None Include="$(GCPackagesConfigFileDirectory)extra\project.json" />
   </ItemGroup>
+  <PropertyGroup>
+    <ProjectJson>$(GCPackagesConfigFileDirectory)extra\project.json</ProjectJson>
+    <ProjectLockJson>$(GCPackagesConfigFileDirectory)extra\project.lock.json</ProjectLockJson>
+  </PropertyGroup>
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
diff --git a/tests/src/GC/Coverage/LargeObjectAlloc2.csproj b/tests/src/GC/Coverage/LargeObjectAlloc2.csproj
index 1ccf3205b8..ea304efc6d 100644
--- a/tests/src/GC/Coverage/LargeObjectAlloc2.csproj
+++ b/tests/src/GC/Coverage/LargeObjectAlloc2.csproj
@@ -30,8 +30,12 @@
     <Compile Include="LargeObjectAlloc2.cs" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="project.json" />
+    <None Include="$(GCPackagesConfigFileDirectory)minimal\project.json" />
   </ItemGroup>
+  <PropertyGroup>
+    <ProjectJson>$(GCPackagesConfigFileDirectory)minimal\project.json</ProjectJson>
+    <ProjectLockJson>$(GCPackagesConfigFileDirectory)minimal\project.lock.json</ProjectLockJson>
+  </PropertyGroup>
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
diff --git a/tests/src/GC/Coverage/app.config b/tests/src/GC/Coverage/app.config
new file mode 100644
index 0000000000..c51f616257
--- /dev/null
+++ b/tests/src/GC/Coverage/app.config
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="System.Runtime" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.20.0" newVersion="4.0.20.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Text.Encoding" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.10.0" newVersion="4.0.10.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Threading.Tasks" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.10.0" newVersion="4.0.10.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.10.0" newVersion="4.0.10.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Reflection" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.10.0" newVersion="4.0.10.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Globalization" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.10.0" newVersion="4.0.10.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>
diff --git a/tests/src/GC/Coverage/concurrentspin2.cs b/tests/src/GC/Coverage/concurrentspin2.cs
new file mode 100644
index 0000000000..23edb8bb34
--- /dev/null
+++ b/tests/src/GC/Coverage/concurrentspin2.cs
@@ -0,0 +1,184 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics;
+using System.Threading;
+
+class PriorityTest
+{
+    private byte[][] old;
+    private byte[][] med;
+    private Random rand;
+
+    private int oldDataSize;
+    private int medDataSize;
+    private int iterCount;
+    private int meanAllocSize;
+    private int medTime;
+    private int youngTime;
+
+
+    public PriorityTest(int oldDataSize, int medDataSize,
+                        int iterCount, int meanAllocSize,
+                        int medTime, int youngTime)
+    {
+        rand = new Random(314159);
+        this.oldDataSize = oldDataSize;
+        this.medDataSize = medDataSize;
+        this.iterCount = iterCount;
+        this.meanAllocSize = meanAllocSize;
+        this.medTime = medTime;
+        this.youngTime = youngTime;
+    }
+
+    // creates initial arrays
+    void AllocTest(int oldDataSize, int medDataSize, int meanAllocSize)
+    {
+        old = new byte[oldDataSize][];
+        med = new byte[medDataSize][];
+
+        for (int i = 0; i < old.Length; i++)
+        {
+            old[i] = new byte[meanAllocSize];
+        }
+
+        for (int i = 0; i < med.Length; i++)
+        {
+            med[i] = new byte[meanAllocSize];
+        }
+    }
+
+    // churns data in the heap by replacing byte arrays with new ones of random length
+    // this should induce concurrent GCs
+    void SteadyState(int oldDataSize, int medDataSize,
+                        int iterCount, int meanAllocSize,
+                        int medTime, int youngTime)
+    {
+
+        for (int i = 0; i < iterCount; i++)
+        {
+            byte[] newarray = new byte[meanAllocSize];
+
+            if ((i % medTime) == 0)
+            {
+                old[rand.Next(0, old.Length)] = newarray;
+            }
+            if ((i % youngTime) == 0)
+            {
+                med[rand.Next(0, med.Length)] = newarray;
+            }
+            //if (((i % 5000) == 0) && (Thread.CurrentThread.Priority != ThreadPriority.Lowest))
+            //{
+            //    Thread.Sleep(200);
+            //}
+        }
+    }
+
+    // method that runs the test
+    public void RunTest()
+    {
+        for (int iteration = 0; iteration < iterCount; iteration++)
+        {
+            AllocTest(oldDataSize, medDataSize, meanAllocSize);
+
+            SteadyState(oldDataSize, medDataSize,
+                iterCount, meanAllocSize,
+                medTime, youngTime);
+
+            if (((iteration + 1) % 20) == 0)
+                Console.WriteLine("Thread: {1} Finished iteration {0}", iteration, System.Threading.Thread.CurrentThread.Name);
+        }
+
+    }
+
+}
+
+
+class ConcurrentRepro
+{
+
+    public static void Usage()
+    {
+        Console.WriteLine("Usage:");
+        Console.WriteLine("\t<num iterations> <num threads>");
+    }
+
+    public static int[] ParseArgs(string[] args)
+    {
+        int[] parameters = new int[2];
+
+        // set defaults
+        parameters[0] = 100;
+        parameters[1] = 4;
+
+        if (args.Length == 0)
+        {
+            //use defaults
+            Console.WriteLine("Using defaults: 100 iterations, 4 threads");
+            return parameters;
+        }
+        if (args.Length == parameters.Length)
+        {
+            for (int i = 0; i < args.Length; i++)
+            {
+                int j = 0;
+                if (!int.TryParse(args[i], out j))
+                {
+                    Usage();
+                    return null;
+                }
+                parameters[i] = j;
+            }
+
+            return parameters;
+        }
+
+        // incorrect number of arguments        
+        Usage();
+        return null;
+    }
+
+
+    public static int Main(string[] args)
+    {
+
+        // parse arguments
+        int[] parameters = ParseArgs(args);
+        if (parameters == null)
+        {
+            return 0;
+        }
+
+        // set process affinity to 1 to repro bug easier
+        //Process.GetCurrentProcess().ProcessorAffinity = (IntPtr)1;
+
+
+        PriorityTest priorityTest = new PriorityTest(1000000, 5000, parameters[0], 17, 30, 3);
+        ThreadStart startDelegate = new ThreadStart(priorityTest.RunTest);
+
+        // create threads
+        Thread[] threads = new Thread[parameters[1]];
+        for (int i = 0; i < threads.Length; i++)
+        {
+            threads[i] = new Thread(startDelegate);
+            threads[i].Name = String.Format("Thread{0}", i);
+            //if (i % 2 == 0)
+            //{
+            //    threads[i].Priority = ThreadPriority.Lowest;
+            //}
+            threads[i].Start();
+        }
+
+        // wait for threads to complete
+        for (int i = 0; i < threads.Length; i++)
+        {
+            threads[i].Join();
+        }
+
+        return 100;
+    }
+}
+
+
diff --git a/tests/src/GC/Coverage/concurrentspin2.csproj b/tests/src/GC/Coverage/concurrentspin2.csproj
new file mode 100644
index 0000000000..7e63affeba
--- /dev/null
+++ b/tests/src/GC/Coverage/concurrentspin2.csproj
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+  </PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <!-- Add Compile Object Here -->
+    <Compile Include="ConcurrentSpin2.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="$(GCPackagesConfigFileDirectory)minimal\project.json" />
+  </ItemGroup>
+  <PropertyGroup>
+    <ProjectJson>$(GCPackagesConfigFileDirectory)minimal\project.json</ProjectJson>
+    <ProjectLockJson>$(GCPackagesConfigFileDirectory)minimal\project.lock.json</ProjectLockJson>
+  </PropertyGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' ">
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/tests/src/GC/Coverage/delete_next_card_table.cs b/tests/src/GC/Coverage/delete_next_card_table.cs
new file mode 100644
index 0000000000..ad0bd5ca3f
--- /dev/null
+++ b/tests/src/GC/Coverage/delete_next_card_table.cs
@@ -0,0 +1,63 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/* TEST:        delete_next_card_table
+ * DESCRIPTION: gains 14 blocks in gc.cpp
+                mscorwks!WKS::delete_next_card_table: (7 blocks, 11 arcs)
+                mscorwks!SVR::delete_next_card_table: (7 blocks, 11 arcs)
+ */
+
+using System;
+using System.Collections;
+
+public class delete_next_card_table
+{
+    public static int Main()
+    {
+        new delete_next_card_table().DoMemoryChurn();
+        return 100;
+    }
+
+    // this function attempts to allocate & free large amounts
+    // of memory to ensure our objects remain pinned, don't get
+    // relocated, etc...
+    void DoMemoryChurn()
+    {
+
+        Random r = new Random();
+        for (int j = 0; j < 10; j++)
+        {
+            Console.Write("Churn loop {0}", j);
+
+            try
+            {
+                // arraylist keeps everything rooted until we run out of memory
+                //ArrayList al = new ArrayList();
+                object[] objArray = new object[32];
+                int len = 1;
+
+                for (int i = 0; i < 32; i++)        // todo: this should be based upon size of IntPtr (32 bits on 32 bit platforms, 64 on 64 bit platforms)
+                {
+                    Console.Write(".");
+
+                    if (i < 30)
+                    {
+                        // Random.Next cannot handle negative (0x80000000) numbers
+                        len *= 2;
+                    }
+                    //al.Add(new Guid[len + r.Next(len)]);
+                    objArray[i] = new Guid[len + r.Next(len)];
+                }
+            }
+            catch (OutOfMemoryException)
+            {
+                Console.WriteLine("OOM while Churning");
+                GC.Collect();
+            }
+
+            Console.WriteLine();
+        }
+    }
+}
+
diff --git a/tests/src/GC/Coverage/delete_next_card_table.csproj b/tests/src/GC/Coverage/delete_next_card_table.csproj
new file mode 100644
index 0000000000..bd6d96f975
--- /dev/null
+++ b/tests/src/GC/Coverage/delete_next_card_table.csproj
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+  </PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <!-- Add Compile Object Here -->
+    <Compile Include="delete_next_card_table.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="$(GCPackagesConfigFileDirectory)minimal\project.json" />
+  </ItemGroup>
+  <PropertyGroup>
+    <ProjectJson>$(GCPackagesConfigFileDirectory)minimal\project.json</ProjectJson>
+    <ProjectLockJson>$(GCPackagesConfigFileDirectory)minimal\project.lock.json</ProjectLockJson>
+  </PropertyGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' ">
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/tests/src/GC/Coverage/project.json b/tests/src/GC/Coverage/project.json
deleted file mode 100644
index 14c11d232b..0000000000
--- a/tests/src/GC/Coverage/project.json
+++ /dev/null
@@ -1,34 +0,0 @@
-{
-  "dependencies": {
-    "Microsoft.NETCore.Platforms": "1.0.1-rc2-23816",
-    "System.Collections": "4.0.10",
-    "System.Collections.NonGeneric": "4.0.1-beta-23302",
-    "System.Collections.Specialized": "4.0.1-beta-23302",
-    "System.ComponentModel": "4.0.1-beta-23302",
-    "System.Console": "4.0.0-beta-23302",
-    "System.Diagnostics.Process": "4.0.0-beta-23302",
-    "System.Globalization": "4.0.10",
-    "System.Globalization.Calendars": "4.0.0",
-    "System.IO": "4.0.10",
-    "System.IO.FileSystem": "4.0.0",
-    "System.IO.FileSystem.Primitives": "4.0.0",
-    "System.Linq": "4.0.1-beta-23302",
-    "System.Linq.Queryable": "4.0.1-beta-23302",
-    "System.Reflection": "4.0.10",
-    "System.Reflection.Primitives": "4.0.0",
-    "System.Runtime": "4.0.20",
-    "System.Runtime.Extensions": "4.0.10",
-    "System.Runtime.Handles": "4.0.0",
-    "System.Runtime.InteropServices": "4.0.20",
-    "System.Runtime.Loader": "4.0.0-beta-23302",
-    "System.Text.Encoding": "4.0.10",
-    "System.Threading": "4.0.10",
-    "System.Xml.ReaderWriter": "4.0.11-beta-23302",
-    "System.Xml.XDocument": "4.0.11-beta-23302",
-    "System.Xml.XmlDocument": "4.0.1-beta-23302",
-    "System.Xml.XmlSerializer": "4.0.11-beta-23302"
-  },
-  "frameworks": {
-    "dnxcore50": {}
-  }
-}
diff --git a/tests/src/GC/Coverage/smalloom.cs b/tests/src/GC/Coverage/smalloom.cs
new file mode 100644
index 0000000000..a640c30c9d
--- /dev/null
+++ b/tests/src/GC/Coverage/smalloom.cs
@@ -0,0 +1,72 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+//Regression test for Dev 10 bug 479239: GC hangs on x86 rather than throwing OOM
+ 
+using System;
+using System.Runtime;
+
+class TestClass
+{
+	public static int Main()
+	{
+        ByteArrayList list = new ByteArrayList();
+
+
+        try
+        {
+            while (true)
+            {
+                list.AddByteArray(84500);
+            }
+        }
+        catch (OutOfMemoryException)
+        {
+        }
+
+        Console.Write("NodesAllocated: ");
+        Console.WriteLine(list.NodeCount);
+        return 100;
+	}
+
+    class ByteArrayList
+    {
+        class Node
+        {
+            byte[] data = null;
+            int size = 0;
+            public Node next = null;
+
+            public Node(int Size)
+            {
+              data = new byte[Size];
+              size = Size;
+            }
+
+        }
+       
+        Node head;
+
+        public int NodeCount = 0;
+        public ByteArrayList()
+        {
+            head = null;
+        }
+
+        public void AddByteArray(int size)
+        {
+            Node newNode = new Node(size);
+
+            if (head == null)
+                head = newNode;
+            else
+            {
+                newNode.next = head;
+                head = newNode;
+            }
+            NodeCount++;
+        }
+    }
+
+}			
\ No newline at end of file
diff --git a/tests/src/GC/Coverage/smalloom.csproj b/tests/src/GC/Coverage/smalloom.csproj
new file mode 100644
index 0000000000..6f2fb9d4a2
--- /dev/null
+++ b/tests/src/GC/Coverage/smalloom.csproj
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+  </PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <!-- Add Compile Object Here -->
+    <Compile Include="smalloom.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="$(GCPackagesConfigFileDirectory)minimal\project.json" />
+  </ItemGroup>
+  <PropertyGroup>
+    <ProjectJson>$(GCPackagesConfigFileDirectory)minimal\project.json</ProjectJson>
+    <ProjectLockJson>$(GCPackagesConfigFileDirectory)minimal\project.lock.json</ProjectLockJson>
+  </PropertyGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' ">
+  </PropertyGroup>
+</Project>
\ No newline at end of file