Browse Source
Using JetBrains' dotMemory Unit testing framework. Currently shows that TreeView does not get freed.pull/346/head
Steven Kirk
10 years ago
8 changed files with 425 additions and 0 deletions
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using JetBrains.dotMemoryUnit; |
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using Perspex.Controls; |
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using Perspex.Controls.Templates; |
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using Xunit; |
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using Xunit.Abstractions; |
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namespace Perspex.LeakTests |
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{ |
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[DotMemoryUnit(FailIfRunWithoutSupport = false)] |
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public class ControlTests |
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{ |
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public ControlTests(ITestOutputHelper atr) |
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{ |
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TestApp.Initialize(); |
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DotMemoryUnitTestOutput.SetOutputMethod(atr.WriteLine); |
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} |
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[Fact] |
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public void Canvas_Is_Freed() |
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{ |
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Func<Window> run = () => |
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{ |
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var window = new Window |
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{ |
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Content = new Canvas() |
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}; |
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// Do a layout and make sure that Canvas gets added to visual tree.
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window.LayoutManager.ExecuteLayoutPass(); |
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Assert.IsType<Canvas>(window.Presenter.Child); |
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// Clear the content and ensure the Canvas is removed.
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window.Content = null; |
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window.LayoutManager.ExecuteLayoutPass(); |
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Assert.Null(window.Presenter.Child); |
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return window; |
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}; |
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var result = run(); |
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dotMemory.Check(memory => |
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Assert.Equal(0, memory.GetObjects(where => where.Type.Is<Canvas>()).ObjectsCount)); |
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} |
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[Fact] |
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public void TreeView_Is_Freed() |
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{ |
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Func<Window> run = () => |
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{ |
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var nodes = new[] |
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{ |
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new Node |
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{ |
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Children = new[] { new Node() }, |
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} |
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}; |
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TreeView target; |
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var window = new Window |
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{ |
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Content = target = new TreeView |
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{ |
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DataTemplates = new DataTemplates |
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{ |
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new FuncTreeDataTemplate<Node>( |
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x => new TextBlock { Text = x.Name }, |
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x => x.Children, |
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x => true) |
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}, |
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Items = nodes |
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} |
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}; |
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// Do a layout and make sure that TreeViewItems get realized.
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window.LayoutManager.ExecuteLayoutPass(); |
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Assert.Equal(1, target.ItemContainerGenerator.Containers.Count()); |
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// Clear the content and ensure the TreeView is removed.
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window.Content = null; |
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window.LayoutManager.ExecuteLayoutPass(); |
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Assert.Null(window.Presenter.Child); |
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return window; |
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}; |
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var result = run(); |
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dotMemory.Check(memory => |
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Assert.Equal(0, memory.GetObjects(where => where.Type.Is<TreeView>()).ObjectsCount)); |
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} |
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private class Node |
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{ |
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public string Name { get; set; } |
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public IEnumerable<Node> Children { get; set; } |
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} |
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} |
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} |
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using System.Reflection; |
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using System.Runtime.CompilerServices; |
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using System.Runtime.InteropServices; |
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("Perspex.LeakTests")] |
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[assembly: AssemblyDescription("")] |
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[assembly: AssemblyConfiguration("")] |
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[assembly: AssemblyCompany("")] |
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[assembly: AssemblyProduct("Perspex.LeakTests")] |
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[assembly: AssemblyCopyright("Copyright © 2015")] |
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[assembly: AssemblyTrademark("")] |
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[assembly: AssemblyCulture("")] |
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)] |
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")] |
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[assembly: AssemblyFileVersion("1.0.0.0")] |
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@ -0,0 +1,8 @@ |
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Memory Leak Tests |
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----------------- |
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|
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These tests use JetBrains' dotMemory Unit. When run in a normal test runner, they will always pass. |
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|
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To run the tests, you need to have dotMemory/ReSharper and install the XUnit plugin. You should |
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then be able to run the tests using Resharper -> Unit Tests -> Run all tests from solution under |
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dotMemory Unit. |
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@ -0,0 +1,41 @@ |
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// Copyright (c) The Perspex Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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|
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using Moq; |
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using Perspex.Controls.UnitTests; |
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using Perspex.Platform; |
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using Perspex.Shared.PlatformSupport; |
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using Perspex.Themes.Default; |
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using Ploeh.AutoFixture; |
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using Ploeh.AutoFixture.AutoMoq; |
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|
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namespace Perspex.LeakTests |
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{ |
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internal class TestApp : Application |
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{ |
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private TestApp() |
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{ |
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RegisterServices(); |
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|
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var fixture = new Fixture().Customize(new AutoMoqCustomization()); |
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var windowImpl = new Mock<IWindowImpl>(); |
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var renderInterface = fixture.Create<IPlatformRenderInterface>(); |
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|
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PerspexLocator.CurrentMutable |
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.Bind<IAssetLoader>().ToConstant(new AssetLoader()) |
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.Bind<IPclPlatformWrapper>().ToConstant(new PclPlatformWrapper()) |
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.Bind<IPlatformRenderInterface>().ToConstant(renderInterface) |
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.Bind<IWindowingPlatform>().ToConstant(new WindowingPlatformMock(() => windowImpl.Object)); |
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Styles = new DefaultTheme(); |
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} |
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|
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public static void Initialize() |
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{ |
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if (Current == null) |
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{ |
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new TestApp(); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,15 @@ |
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@ -0,0 +1,17 @@ |
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