add ContextResolver for MSTest V2

Telerik.JustMock.Silverlight/Telerik.JustMock.Silverlight.csproj

@@ -743,6 +743,9 @@
     <Compile Include="..\Telerik.JustMock\Core\Context\MSTestMockingContextResolver.cs">
       <Link>Core\Context\MSTestMockingContextResolver.cs</Link>
     </Compile>
+    <Compile Include="..\Telerik.JustMock\Core\Context\MSTestV2MockingContextResolver.cs">
+      <Link>Core\Context\MSTestV2MockingContextResolver.cs</Link>
+    </Compile>
     <Compile Include="..\Telerik.JustMock\Core\Context\NUnitMockingContextResolver.cs">
       <Link>Core\Context\NUnitMockingContextResolver.cs</Link>
     </Compile>

Telerik.JustMock/Core/Context/MSTestV2MockingContextResolver.cs

@@ -0,0 +1,97 @@
+/*
+ JustMock Lite
+ Copyright © 2010-2015 Telerik AD
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+using System;
+using System.Threading;
+
+namespace Telerik.JustMock.Core.Context
+{
+	internal class MSTestV2MockingContextResolver : HierarchicalTestFrameworkContextResolver
+	{
+		private const string Mstestv2AssemblyName = "Microsoft.VisualStudio.TestPlatform.TestFramework";
+		private const string Mstestv2AssertionFailedName = "Microsoft.VisualStudio.TestTools.UnitTesting.AssertFailedException, " + Mstestv2AssemblyName;
+
+		public MSTestV2MockingContextResolver()
+			: base(Mstestv2AssertionFailedName)
+		{
+			this.SetupStandardHierarchicalTestStructure(
+				new[] { "Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute, " + Mstestv2AssemblyName },
+				new[] { "Microsoft.VisualStudio.TestTools.UnitTesting.TestInitializeAttribute, " + Mstestv2AssemblyName, "Microsoft.VisualStudio.TestTools.UnitTesting.TestCleanupAttribute, " + Mstestv2AssemblyName },
+				new[] { "Microsoft.VisualStudio.TestTools.UnitTesting.ClassInitializeAttribute, " + Mstestv2AssemblyName, "Microsoft.VisualStudio.TestTools.UnitTesting.ClassCleanupAttribute, " + Mstestv2AssemblyName },
+				new[] { "Microsoft.VisualStudio.TestTools.UnitTesting.AssemblyInitializeAttribute, " + Mstestv2AssemblyName, "Microsoft.VisualStudio.TestTools.UnitTesting.AssemblyCleanupAttribute, " + Mstestv2AssemblyName },
+				FixtureConstuctorSemantics.InstanceConstructorCalledOncePerFixture);
+		}
+
+		public static bool IsAvailable
+		{
+			get { return FindType(Mstestv2AssertionFailedName, false) != null; }
+		}
+
+		private const int DefaultGcFrequency = 50;
+		private int createdRepoCount;
+		private int lastGcCount;
+		private int gcFrequency = GetGcFrequency();
+		private bool synchronousGc = GetSynchronousGc();
+
+		private static int GetGcFrequency()
+		{
+			var valueStr = SecuredRegistryMethods.GetValue(false, @"Software\Telerik\JustMock", "MSTestGcFrequency");
+			int value;
+			if (!String.IsNullOrEmpty(valueStr) && int.TryParse(valueStr, out value) && value >= 1)
+				return value;
+
+			return DefaultGcFrequency;
+		}
+
+		private static bool GetSynchronousGc()
+		{
+			var valueStr = SecuredRegistryMethods.GetValue(false, @"Software\Telerik\JustMock", "SynchronousGc");
+			int value;
+			return !String.IsNullOrEmpty(valueStr) && int.TryParse(valueStr, out value) && value == 1;
+		}
+
+#if !SILVERLIGHT
+		protected override void OnMocksRepositoryCreated(MocksRepository repo)
+		{
+			// MSTest runs every test in a different thread. We'd like to collect Thread objects often so that their handle is released.
+			// At every N created repos (we assume that each test creates a single repo, so the number of repos created is close to
+			// the number of threads created) do a garbage collection, but only if it hasn't been already done in this interval.
+
+			createdRepoCount++;
+
+			if (createdRepoCount % gcFrequency == 0)
+			{
+                var gen2Collections = GC.CollectionCount(GC.MaxGeneration);
+				if (gen2Collections == lastGcCount)
+				{
+					if (synchronousGc)
+					{
+						GC.Collect();
+					}
+					else
+					{
+						ThreadPool.QueueUserWorkItem(_ => GC.Collect());
+					}
+
+					gen2Collections++;
+				}
+				lastGcCount = gen2Collections;
+			}
+		}
+#endif
+	}
+}

Telerik.JustMock/Core/Context/MockingContext.cs

@@ -134,6 +134,8 @@ namespace Telerik.JustMock.Core.Context
 #else
 			if (MSTestMockingContextResolver.IsAvailable)
 				registeredContextResolvers.Add(new MSTestMockingContextResolver());
+            if (MSTestV2MockingContextResolver.IsAvailable)
+                registeredContextResolvers.Add(new MSTestV2MockingContextResolver());
 			if (XUnit1xMockingContextResolver.IsAvailable)
 				registeredContextResolvers.Add(new XUnit1xMockingContextResolver());
 			if (XUnit2xMockingContextResolver.IsAvailable)

Telerik.JustMock/Telerik.JustMock.csproj

@@ -262,6 +262,7 @@
     <Compile Include="Core\Behaviors\PropertyStubsBehavior.cs" />
     <Compile Include="Core\Behaviors\RaiseEventBehavior.cs" />
     <Compile Include="Core\Behaviors\StaticConstructorMockBehavior.cs" />
+    <Compile Include="Core\Context\MSTestV2MockingContextResolver.cs" />
     <Compile Include="Core\StrictMockException.cs" />
     <Compile Include="Core\ByRefComparer.cs" />
     <Compile Include="Core\ClrProfilerSetupHelper.cs" />