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Using JetBrains' dotMemory Unit testing framework. Currently shows that TreeView does not get freed.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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; } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,174 @@ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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 | ||
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| // 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")] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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. |
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