Added some memory leak unit tests.

Using JetBrains' dotMemory Unit testing framework. Currently shows that
TreeView does not get freed.

Perspex.sln

@@ -136,6 +136,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Perspex.iOS", "src\iOS\Pers
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Perspex.iOSTestApplication", "src\iOS\Perspex.iOSTestApplication\Perspex.iOSTestApplication.csproj", "{8C923867-8A8F-4F6B-8B80-47D9E8436166}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Perspex.LeakTests", "tests\Perspex.LeakTests\Perspex.LeakTests.csproj", "{E1AA3DBF-9056-4530-9376-18119A7A3FFE}"
+EndProject
 Global
 	GlobalSection(SharedMSBuildProjectFiles) = preSolution
 		src\Shared\RenderHelpers\RenderHelpers.projitems*{fb05ac90-89ba-4f2f-a924-f37875fb547c}*SharedItemsImports = 4
@@ -157,6 +159,7 @@ Global
 		src\Shared\RenderHelpers\RenderHelpers.projitems*{bd43f7c0-396b-4aa1-bad9-dfde54d51298}*SharedItemsImports = 4
 		src\Skia\Perspex.Skia\Perspex.Skia.projitems*{bd43f7c0-396b-4aa1-bad9-dfde54d51298}*SharedItemsImports = 4
 		src\Shared\RenderHelpers\RenderHelpers.projitems*{3e908f67-5543-4879-a1dc-08eace79b3cd}*SharedItemsImports = 4
+		src\Shared\PlatformSupport\PlatformSupport.projitems*{e1aa3dbf-9056-4530-9376-18119a7a3ffe}*SharedItemsImports = 4
 	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Ad-Hoc|Any CPU = Ad-Hoc|Any CPU
@@ -1240,6 +1243,30 @@ Global
 		{8C923867-8A8F-4F6B-8B80-47D9E8436166}.Release|iPhone.Build.0 = Release|iPhone
 		{8C923867-8A8F-4F6B-8B80-47D9E8436166}.Release|iPhoneSimulator.ActiveCfg = Release|iPhoneSimulator
 		{8C923867-8A8F-4F6B-8B80-47D9E8436166}.Release|iPhoneSimulator.Build.0 = Release|iPhoneSimulator
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Ad-Hoc|Any CPU.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Ad-Hoc|Any CPU.Build.0 = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Ad-Hoc|iPhone.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Ad-Hoc|iPhone.Build.0 = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Ad-Hoc|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Ad-Hoc|iPhoneSimulator.Build.0 = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.AppStore|Any CPU.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.AppStore|Any CPU.Build.0 = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.AppStore|iPhone.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.AppStore|iPhone.Build.0 = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.AppStore|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.AppStore|iPhoneSimulator.Build.0 = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Release|iPhone.Build.0 = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -1282,5 +1309,6 @@ Global
 		{FF69B927-C545-49AE-8E16-3D14D621AA12} = {7CF9789C-F1D3-4D0E-90E5-F1DF67A2753F}
 		{4488AD85-1495-4809-9AA4-DDFE0A48527E} = {0CB0B92E-6CFF-4240-80A5-CCAFE75D91E1}
 		{8C923867-8A8F-4F6B-8B80-47D9E8436166} = {0CB0B92E-6CFF-4240-80A5-CCAFE75D91E1}
+		{E1AA3DBF-9056-4530-9376-18119A7A3FFE} = {C5A00AC3-B34C-4564-9BDD-2DA473EF4D8B}
 	EndGlobalSection
 EndGlobal

tests/Perspex.LeakTests/ControlTests.cs

@@ -0,0 +1,106 @@
+// Copyright (c) The Perspex Project. All rights reserved.
+// Licensed under the MIT license. See licence.md file in the project root for full license information.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using JetBrains.dotMemoryUnit;
+using Perspex.Controls;
+using Perspex.Controls.Templates;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Perspex.LeakTests
+{
+    [DotMemoryUnit(FailIfRunWithoutSupport = false)]
+    public class ControlTests
+    {
+        public ControlTests(ITestOutputHelper atr)
+        {
+            TestApp.Initialize();
+            DotMemoryUnitTestOutput.SetOutputMethod(atr.WriteLine);
+        }
+
+        [Fact]
+        public void Canvas_Is_Freed()
+        {
+            Func<Window> run = () =>
+            {
+                var window = new Window
+                {
+                    Content = new Canvas()
+                };
+
+                // Do a layout and make sure that Canvas gets added to visual tree.
+                window.LayoutManager.ExecuteLayoutPass();
+                Assert.IsType<Canvas>(window.Presenter.Child);
+
+                // Clear the content and ensure the Canvas is removed.
+                window.Content = null;
+                window.LayoutManager.ExecuteLayoutPass();
+                Assert.Null(window.Presenter.Child);
+
+                return window;
+            };
+
+            var result = run();
+
+            dotMemory.Check(memory =>
+                Assert.Equal(0, memory.GetObjects(where => where.Type.Is<Canvas>()).ObjectsCount));
+        }
+
+        [Fact]
+        public void TreeView_Is_Freed()
+        {
+            Func<Window> run = () =>
+            {
+                var nodes = new[]
+                {
+                    new Node
+                    {
+                        Children = new[] { new Node() },
+                    }
+                };
+
+                TreeView target;
+
+                var window = new Window
+                {
+                    Content = target = new TreeView
+                    {
+                        DataTemplates = new DataTemplates
+                    {
+                        new FuncTreeDataTemplate<Node>(
+                            x => new TextBlock { Text = x.Name },
+                            x => x.Children,
+                            x => true)
+                    },
+                        Items = nodes
+                    }
+                };
+
+                // Do a layout and make sure that TreeViewItems get realized.
+                window.LayoutManager.ExecuteLayoutPass();
+                Assert.Equal(1, target.ItemContainerGenerator.Containers.Count());
+
+                // Clear the content and ensure the TreeView is removed.
+                window.Content = null;
+                window.LayoutManager.ExecuteLayoutPass();
+                Assert.Null(window.Presenter.Child);
+
+                return window;
+            };
+
+            var result = run();
+
+            dotMemory.Check(memory =>
+                Assert.Equal(0, memory.GetObjects(where => where.Type.Is<TreeView>()).ObjectsCount));
+        }
+
+        private class Node
+        {
+            public string Name { get; set; }
+            public IEnumerable<Node> Children { get; set; }
+        }
+    }
+}

tests/Perspex.LeakTests/Perspex.LeakTests.csproj

@@ -0,0 +1,174 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\packages\xunit.core.2.0.0\build\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.props" Condition="Exists('..\..\packages\xunit.core.2.0.0\build\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.props')" />
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{E1AA3DBF-9056-4530-9376-18119A7A3FFE}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Perspex.LeakTests</RootNamespace>
+    <AssemblyName>Perspex.LeakTests</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="dotMemory.Unit, Version=103.0.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\JetBrains.dotMemoryUnit.2.1.20150828.125449\lib\dotMemory.Unit.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Moq, Version=4.2.1507.118, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
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+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Ploeh.AutoFixture, Version=3.31.3.0, Culture=neutral, PublicKeyToken=b24654c590009d4f, processorArchitecture=MSIL">
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+    </Reference>
+    <Reference Include="Ploeh.AutoFixture.AutoMoq, Version=3.31.1.0, Culture=neutral, PublicKeyToken=b24654c590009d4f, processorArchitecture=MSIL">
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+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Reactive.Core, Version=2.2.5.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Rx-Core.2.2.5\lib\net45\System.Reactive.Core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Reactive.Interfaces, Version=2.2.5.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Rx-Interfaces.2.2.5\lib\net45\System.Reactive.Interfaces.dll</HintPath>
+      <Private>True</Private>
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+    <Reference Include="System.Reactive.Linq, Version=2.2.5.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Rx-Linq.2.2.5\lib\net45\System.Reactive.Linq.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Reactive.PlatformServices, Version=2.2.5.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Rx-PlatformServices.2.2.5\lib\net45\System.Reactive.PlatformServices.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+    <Reference Include="xunit.abstractions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\xunit.abstractions.2.0.0\lib\net35\xunit.abstractions.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="xunit.assert, Version=2.0.0.2929, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\xunit.assert.2.0.0\lib\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.assert.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="xunit.core, Version=2.0.0.2929, Culture=neutral, PublicKeyToken=8d05b1bb7a6fdb6c, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\xunit.extensibility.core.2.0.0\lib\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="ControlTests.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="TestApp.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Markup\Perspex.Markup.Xaml\Perspex.Markup.Xaml.csproj">
+      <Project>{3e53a01a-b331-47f3-b828-4a5717e77a24}</Project>
+      <Name>Perspex.Markup.Xaml</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Markup\Perspex.Markup\Perspex.Markup.csproj">
+      <Project>{6417e941-21bc-467b-a771-0de389353ce6}</Project>
+      <Name>Perspex.Markup</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Animation\Perspex.Animation.csproj">
+      <Project>{d211e587-d8bc-45b9-95a4-f297c8fa5200}</Project>
+      <Name>Perspex.Animation</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Application\Perspex.Application.csproj">
+      <Project>{799a7bb5-3c2c-48b6-85a7-406a12c420da}</Project>
+      <Name>Perspex.Application</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Base\Perspex.Base.csproj">
+      <Project>{b09b78d8-9b26-48b0-9149-d64a2f120f3f}</Project>
+      <Name>Perspex.Base</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Controls\Perspex.Controls.csproj">
+      <Project>{d2221c82-4a25-4583-9b43-d791e3f6820c}</Project>
+      <Name>Perspex.Controls</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Input\Perspex.Input.csproj">
+      <Project>{62024b2d-53eb-4638-b26b-85eeaa54866e}</Project>
+      <Name>Perspex.Input</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Interactivity\Perspex.Interactivity.csproj">
+      <Project>{6b0ed19d-a08b-461c-a9d9-a9ee40b0c06b}</Project>
+      <Name>Perspex.Interactivity</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Layout\Perspex.Layout.csproj">
+      <Project>{42472427-4774-4c81-8aff-9f27b8e31721}</Project>
+      <Name>Perspex.Layout</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.SceneGraph\Perspex.SceneGraph.csproj">
+      <Project>{eb582467-6abb-43a1-b052-e981ba910e3a}</Project>
+      <Name>Perspex.SceneGraph</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Styling\Perspex.Styling.csproj">
+      <Project>{f1baa01a-f176-4c6a-b39d-5b40bb1b148f}</Project>
+      <Name>Perspex.Styling</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\src\Perspex.Themes.Default\Perspex.Themes.Default.csproj">
+      <Project>{3e10a5fa-e8da-48b1-ad44-6a5b6cb7750f}</Project>
+      <Name>Perspex.Themes.Default</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Perspex.Controls.UnitTests\Perspex.Controls.UnitTests.csproj">
+      <Project>{5ccb5571-7c30-4e7d-967d-0e2158ebd91f}</Project>
+      <Name>Perspex.Controls.UnitTests</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="Readme.txt" />
+  </ItemGroup>
+  <Import Project="..\..\src\Shared\PlatformSupport\PlatformSupport.projitems" Label="Shared" />
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\xunit.core.2.0.0\build\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\xunit.core.2.0.0\build\portable-net45+win+wpa81+wp80+monotouch+monoandroid+Xamarin.iOS\xunit.core.props'))" />
+  </Target>
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

tests/Perspex.LeakTests/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Perspex.LeakTests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Perspex.LeakTests")]
+[assembly: AssemblyCopyright("Copyright ©  2015")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("e1aa3dbf-9056-4530-9376-18119a7a3ffe")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

tests/Perspex.LeakTests/Readme.txt

@@ -0,0 +1,8 @@
+Memory Leak Tests
+-----------------
+
+These tests use JetBrains' dotMemory Unit. When run in a normal test runner, they will always pass.
+
+To run the tests, you need to have dotMemory/ReSharper and install the XUnit plugin. You should 
+then be able to run the tests using Resharper -> Unit Tests -> Run all tests from solution under
+dotMemory Unit.

tests/Perspex.LeakTests/TestApp.cs

@@ -0,0 +1,41 @@
+// Copyright (c) The Perspex Project. All rights reserved.
+// Licensed under the MIT license. See licence.md file in the project root for full license information.
+
+using Moq;
+using Perspex.Controls.UnitTests;
+using Perspex.Platform;
+using Perspex.Shared.PlatformSupport;
+using Perspex.Themes.Default;
+using Ploeh.AutoFixture;
+using Ploeh.AutoFixture.AutoMoq;
+
+namespace Perspex.LeakTests
+{
+    internal class TestApp : Application
+    {
+        private TestApp()
+        {
+            RegisterServices();
+
+            var fixture = new Fixture().Customize(new AutoMoqCustomization());
+            var windowImpl = new Mock<IWindowImpl>();
+            var renderInterface = fixture.Create<IPlatformRenderInterface>();
+
+            PerspexLocator.CurrentMutable
+                .Bind<IAssetLoader>().ToConstant(new AssetLoader())
+                .Bind<IPclPlatformWrapper>().ToConstant(new PclPlatformWrapper())
+                .Bind<IPlatformRenderInterface>().ToConstant(renderInterface)
+                .Bind<IWindowingPlatform>().ToConstant(new WindowingPlatformMock(() => windowImpl.Object));
+
+            Styles = new DefaultTheme();
+        }
+
+        public static void Initialize()
+        {
+            if (Current == null)
+            {
+                new TestApp();
+            }
+        }
+    }
+}

tests/Perspex.LeakTests/app.config

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Ploeh.AutoFixture" publicKeyToken="b24654c590009d4f" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.31.3.0" newVersion="3.31.3.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Moq" publicKeyToken="69f491c39445e920" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.2.1507.118" newVersion="4.2.1507.118" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

tests/Perspex.LeakTests/packages.config

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="AutoFixture" version="3.31.3" targetFramework="net45" />
+  <package id="AutoFixture.AutoMoq" version="3.31.1" targetFramework="net45" />
+  <package id="JetBrains.dotMemoryUnit" version="2.1.20150828.125449" targetFramework="net45" />
+  <package id="Moq" version="4.2.1507.0118" targetFramework="net45" />
+  <package id="Rx-Core" version="2.2.5" targetFramework="net45" />
+  <package id="Rx-Interfaces" version="2.2.5" targetFramework="net45" />
+  <package id="Rx-Linq" version="2.2.5" targetFramework="net45" />
+  <package id="Rx-Main" version="2.2.5" targetFramework="net45" />
+  <package id="Rx-PlatformServices" version="2.2.5" targetFramework="net45" />
+  <package id="xunit" version="2.0.0" targetFramework="net46" />
+  <package id="xunit.abstractions" version="2.0.0" targetFramework="net46" />
+  <package id="xunit.assert" version="2.0.0" targetFramework="net46" />
+  <package id="xunit.core" version="2.0.0" targetFramework="net46" />
+  <package id="xunit.extensibility.core" version="2.0.0" targetFramework="net46" />
+</packages>