diff --git a/src/Avalonia.Base/Data/BindingNotification.cs b/src/Avalonia.Base/Data/BindingNotification.cs index ecaf59e174..125c29b21b 100644 --- a/src/Avalonia.Base/Data/BindingNotification.cs +++ b/src/Avalonia.Base/Data/BindingNotification.cs @@ -44,11 +44,7 @@ namespace Avalonia.Data public static readonly BindingNotification UnsetValue = new BindingNotification(AvaloniaProperty.UnsetValue); - // Null cannot be held in WeakReference as it's indistinguishable from an expired value so - // use this value in its place. - private static readonly object NullValue = new object(); - - private WeakReference _value; + private object _value; /// /// Initializes a new instance of the class. @@ -56,7 +52,7 @@ namespace Avalonia.Data /// The binding value. public BindingNotification(object value) { - _value = new WeakReference(value ?? NullValue); + _value = value; } /// @@ -73,6 +69,7 @@ namespace Avalonia.Data Error = error; ErrorType = errorType; + _value = AvaloniaProperty.UnsetValue; } /// @@ -84,7 +81,7 @@ namespace Avalonia.Data public BindingNotification(Exception error, BindingErrorType errorType, object fallbackValue) : this(error, errorType) { - _value = new WeakReference(fallbackValue ?? NullValue); + _value = fallbackValue; } /// @@ -95,31 +92,12 @@ namespace Avalonia.Data /// If this property is read when is false then it will return /// . /// - public object Value - { - get - { - if (_value != null) - { - object result; - - if (_value.TryGetTarget(out result)) - { - return result == NullValue ? null : result; - } - } - - // There's the possibility of a race condition in that HasValue can return true, - // and then the value is GC'd before Value is read. We should be ok though as - // we return UnsetValue which should be a safe alternative. - return AvaloniaProperty.UnsetValue; - } - } + public object Value => _value; /// /// Gets a value indicating whether should be pushed to the target. /// - public bool HasValue => _value != null; + public bool HasValue => _value != AvaloniaProperty.UnsetValue; /// /// Gets the error that occurred on the source, if any. @@ -248,7 +226,7 @@ namespace Avalonia.Data /// public void ClearValue() { - _value = null; + _value = AvaloniaProperty.UnsetValue; } /// @@ -256,7 +234,7 @@ namespace Avalonia.Data /// public void SetValue(object value) { - _value = new WeakReference(value ?? NullValue); + _value = value; } /// diff --git a/src/Avalonia.Controls/Button.cs b/src/Avalonia.Controls/Button.cs index 7ed1c7fd8c..2b3bbc8ad2 100644 --- a/src/Avalonia.Controls/Button.cs +++ b/src/Avalonia.Controls/Button.cs @@ -234,7 +234,7 @@ namespace Avalonia.Controls PseudoClasses.Remove(":pressed"); e.Handled = true; - if (ClickMode == ClickMode.Release && Classes.Contains(":pointerover")) + if (ClickMode == ClickMode.Release && new Rect(Bounds.Size).Contains(e.GetPosition(this))) { RaiseClickEvent(); } diff --git a/src/Avalonia.Controls/Control.cs b/src/Avalonia.Controls/Control.cs index 758f7bbf55..83a76cb1a7 100644 --- a/src/Avalonia.Controls/Control.cs +++ b/src/Avalonia.Controls/Control.cs @@ -118,6 +118,7 @@ namespace Avalonia.Controls public Control() { _nameScope = this as INameScope; + _isAttachedToLogicalTree = this is IStyleRoot; } /// @@ -369,6 +370,12 @@ namespace Avalonia.Controls } } + /// + void ILogical.NotifyAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e) + { + this.OnAttachedToLogicalTreeCore(e); + } + /// void ILogical.NotifyDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e) { @@ -418,7 +425,7 @@ namespace Avalonia.Controls if (_isAttachedToLogicalTree) { - var oldRoot = FindStyleRoot(old); + var oldRoot = FindStyleRoot(old) ?? this as IStyleRoot; if (oldRoot == null) { @@ -436,7 +443,7 @@ namespace Avalonia.Controls _parent = (IControl)parent; - if (_parent is IStyleRoot || _parent?.IsAttachedToLogicalTree == true) + if (_parent is IStyleRoot || _parent?.IsAttachedToLogicalTree == true || this is IStyleRoot) { var newRoot = FindStyleRoot(this); diff --git a/src/Avalonia.Controls/Primitives/TemplatedControl.cs b/src/Avalonia.Controls/Primitives/TemplatedControl.cs index 7a42c48053..1ddfb97c14 100644 --- a/src/Avalonia.Controls/Primitives/TemplatedControl.cs +++ b/src/Avalonia.Controls/Primitives/TemplatedControl.cs @@ -285,6 +285,17 @@ namespace Avalonia.Controls.Primitives return this; } + /// + protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e) + { + if (VisualChildren.Count > 0) + { + ((ILogical)VisualChildren[0]).NotifyAttachedToLogicalTree(e); + } + + base.OnAttachedToLogicalTree(e); + } + /// protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e) { diff --git a/src/Avalonia.Controls/ToolTip.cs b/src/Avalonia.Controls/ToolTip.cs index b8896a3acf..22bc589a36 100644 --- a/src/Avalonia.Controls/ToolTip.cs +++ b/src/Avalonia.Controls/ToolTip.cs @@ -105,16 +105,21 @@ namespace Avalonia.Controls { if (control != null && control.IsVisible && control.GetVisualRoot() != null) { - if (s_popup != null) - { - throw new AvaloniaInternalException("Previous ToolTip not disposed."); - } var cp = (control.GetVisualRoot() as IInputRoot)?.MouseDevice?.GetPosition(control); var position = control.PointToScreen(cp ?? new Point(0, 0)) + new Vector(0, 22); - s_popup = new PopupRoot(); + if (s_popup == null) + { + s_popup = new PopupRoot(); + s_popup.Content = new ToolTip(); + } + else + { + ((ISetLogicalParent)s_popup).SetParent(null); + } + ((ISetLogicalParent)s_popup).SetParent(control); - s_popup.Content = new ToolTip { Content = GetTip(control) }; + ((ToolTip)s_popup.Content).Content = GetTip(control); s_popup.Position = position; s_popup.Show(); @@ -146,16 +151,23 @@ namespace Avalonia.Controls { if (s_popup != null) { - // Clear the ToolTip's Content in case it has control content: this will - // reset its visual parent allowing it to be used again. - ((ToolTip)s_popup.Content).Content = null; - - // Dispose of the popup. - s_popup.Dispose(); - s_popup = null; + DisposeTooltip(); + s_show.OnNext(null); } + } + } + + private static void DisposeTooltip() + { + if (s_popup != null) + { + // Clear the ToolTip's Content in case it has control content: this will + // reset its visual parent allowing it to be used again. + ((ToolTip)s_popup.Content).Content = null; - s_show.OnNext(null); + // Dispose of the popup. + s_popup.Dispose(); + s_popup = null; } } } diff --git a/src/Avalonia.Styling/LogicalTree/ILogical.cs b/src/Avalonia.Styling/LogicalTree/ILogical.cs index f2291b42e9..006a9f5cc1 100644 --- a/src/Avalonia.Styling/LogicalTree/ILogical.cs +++ b/src/Avalonia.Styling/LogicalTree/ILogical.cs @@ -36,6 +36,16 @@ namespace Avalonia.LogicalTree /// IAvaloniaReadOnlyList LogicalChildren { get; } + /// + /// Notifies the control that it is being attached to a rooted logical tree. + /// + /// The event args. + /// + /// This method will be called automatically by the framework, you should not need to call + /// this method yourself. + /// + void NotifyAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e); + /// /// Notifies the control that it is being detached from a rooted logical tree. /// diff --git a/src/Markup/Avalonia.Markup.Xaml/Data/MultiBinding.cs b/src/Markup/Avalonia.Markup.Xaml/Data/MultiBinding.cs index 69190be220..621e06efba 100644 --- a/src/Markup/Avalonia.Markup.Xaml/Data/MultiBinding.cs +++ b/src/Markup/Avalonia.Markup.Xaml/Data/MultiBinding.cs @@ -102,7 +102,7 @@ namespace Avalonia.Markup.Xaml.Data private object ConvertValue(IList values, Type targetType) { - var converted = Converter.Convert(values, targetType, null, CultureInfo.CurrentUICulture); + var converted = Converter.Convert(values, targetType, null, CultureInfo.CurrentCulture); if (converted == AvaloniaProperty.UnsetValue && FallbackValue != null) { diff --git a/src/Markup/Avalonia.Markup/Data/BindingExpression.cs b/src/Markup/Avalonia.Markup/Data/BindingExpression.cs index 0f4c091bff..5b9959e42e 100644 --- a/src/Markup/Avalonia.Markup/Data/BindingExpression.cs +++ b/src/Markup/Avalonia.Markup/Data/BindingExpression.cs @@ -122,7 +122,7 @@ namespace Avalonia.Markup.Data value, type, ConverterParameter, - CultureInfo.CurrentUICulture); + CultureInfo.CurrentCulture); if (converted == AvaloniaProperty.UnsetValue) { @@ -186,7 +186,7 @@ namespace Avalonia.Markup.Data value, _targetType, ConverterParameter, - CultureInfo.CurrentUICulture); + CultureInfo.CurrentCulture); notification = converted as BindingNotification; diff --git a/tests/Avalonia.Base.UnitTests/Properties/AssemblyInfo.cs b/tests/Avalonia.Base.UnitTests/Properties/AssemblyInfo.cs index 562de2dc06..4b93ea8400 100644 --- a/tests/Avalonia.Base.UnitTests/Properties/AssemblyInfo.cs +++ b/tests/Avalonia.Base.UnitTests/Properties/AssemblyInfo.cs @@ -7,4 +7,4 @@ using Xunit; [assembly: AssemblyTitle("Avalonia.UnitTests")] // Don't run tests in parallel. -[assembly: CollectionBehavior(MaxParallelThreads = 1)] +[assembly: CollectionBehavior(DisableTestParallelization = true)] diff --git a/tests/Avalonia.Controls.UnitTests/Primitives/PopupRootTests.cs b/tests/Avalonia.Controls.UnitTests/Primitives/PopupRootTests.cs new file mode 100644 index 0000000000..64344a1584 --- /dev/null +++ b/tests/Avalonia.Controls.UnitTests/Primitives/PopupRootTests.cs @@ -0,0 +1,109 @@ +// Copyright (c) The Avalonia Project. All rights reserved. +// Licensed under the MIT license. See licence.md file in the project root for full license information. + +using System; +using Avalonia.Controls.Presenters; +using Avalonia.Controls.Primitives; +using Avalonia.Controls.Templates; +using Avalonia.LogicalTree; +using Avalonia.UnitTests; +using Xunit; + +namespace Avalonia.Controls.UnitTests.Primitives +{ + public class PopupRootTests + { + [Fact] + public void PopupRoot_IsAttachedToLogicalTree_Is_True() + { + using (UnitTestApplication.Start(TestServices.StyledWindow)) + { + var target = CreateTarget(); + + Assert.True(((ILogical)target).IsAttachedToLogicalTree); + } + } + + [Fact] + public void Templated_Child_IsAttachedToLogicalTree_Is_True() + { + using (UnitTestApplication.Start(TestServices.StyledWindow)) + { + var target = CreateTarget(); + + Assert.True(target.Presenter.IsAttachedToLogicalTree); + } + } + + [Fact] + public void Attaching_PopupRoot_To_Parent_Logical_Tree_Raises_DetachedFromLogicalTree_And_AttachedToLogicalTree() + { + using (UnitTestApplication.Start(TestServices.StyledWindow)) + { + var child = new Decorator(); + var target = CreateTarget(); + var window = new Window(); + var detachedCount = 0; + var attachedCount = 0; + + target.Content = child; + + target.DetachedFromLogicalTree += (s, e) => ++detachedCount; + child.DetachedFromLogicalTree += (s, e) => ++detachedCount; + target.AttachedToLogicalTree += (s, e) => ++attachedCount; + child.AttachedToLogicalTree += (s, e) => ++attachedCount; + + ((ISetLogicalParent)target).SetParent(window); + + Assert.Equal(2, detachedCount); + Assert.Equal(2, attachedCount); + } + } + + [Fact] + public void Detaching_PopupRoot_From_Parent_Logical_Tree_Raises_DetachedFromLogicalTree_And_AttachedToLogicalTree() + { + using (UnitTestApplication.Start(TestServices.StyledWindow)) + { + var child = new Decorator(); + var target = CreateTarget(); + var window = new Window(); + var detachedCount = 0; + var attachedCount = 0; + + target.Content = child; + ((ISetLogicalParent)target).SetParent(window); + + target.DetachedFromLogicalTree += (s, e) => ++detachedCount; + child.DetachedFromLogicalTree += (s, e) => ++detachedCount; + target.AttachedToLogicalTree += (s, e) => ++attachedCount; + child.AttachedToLogicalTree += (s, e) => ++attachedCount; + + ((ISetLogicalParent)target).SetParent(null); + + // Despite being detached from the parent logical tree, we're still attached to a + // logical tree as PopupRoot itself is a logical tree root. + Assert.True(((ILogical)target).IsAttachedToLogicalTree); + Assert.True(((ILogical)child).IsAttachedToLogicalTree); + Assert.Equal(2, detachedCount); + Assert.Equal(2, attachedCount); + } + } + + private PopupRoot CreateTarget() + { + var result = new PopupRoot + { + Template = new FuncControlTemplate(_ => + new ContentPresenter + { + Name = "PART_ContentPresenter", + }), + }; + + result.ApplyTemplate(); + + return result; + } + } +} diff --git a/tests/Avalonia.Controls.UnitTests/Primitives/TemplatedControlTests.cs b/tests/Avalonia.Controls.UnitTests/Primitives/TemplatedControlTests.cs index 636492ed1c..72c8073f21 100644 --- a/tests/Avalonia.Controls.UnitTests/Primitives/TemplatedControlTests.cs +++ b/tests/Avalonia.Controls.UnitTests/Primitives/TemplatedControlTests.cs @@ -527,6 +527,34 @@ namespace Avalonia.Controls.UnitTests.Primitives } } + [Fact] + public void Moving_To_New_LogicalTree_Should_Detach_Attach_Template_Child() + { + using (UnitTestApplication.Start(TestServices.RealStyler)) + { + TestTemplatedControl target; + var root = new TestRoot + { + Child = target = new TestTemplatedControl + { + Template = new FuncControlTemplate(_ => new Decorator()), + } + }; + + Assert.NotNull(target.Template); + target.ApplyTemplate(); + + var templateChild = (ILogical)target.GetVisualChildren().Single(); + Assert.True(templateChild.IsAttachedToLogicalTree); + + root.Child = null; + Assert.False(templateChild.IsAttachedToLogicalTree); + + var newRoot = new TestRoot { Child = target }; + Assert.True(templateChild.IsAttachedToLogicalTree); + } + } + private static IControl ScrollingContentControlTemplate(ContentControl control) { return new Border diff --git a/tests/Avalonia.Controls.UnitTests/TopLevelTests.cs b/tests/Avalonia.Controls.UnitTests/TopLevelTests.cs index 5cd3c57e2e..da30336be6 100644 --- a/tests/Avalonia.Controls.UnitTests/TopLevelTests.cs +++ b/tests/Avalonia.Controls.UnitTests/TopLevelTests.cs @@ -2,24 +2,33 @@ // Licensed under the MIT license. See licence.md file in the project root for full license information. using System; -using System.Reactive; -using System.Reactive.Subjects; -using Moq; using Avalonia.Controls.Presenters; using Avalonia.Controls.Templates; using Avalonia.Input; using Avalonia.Input.Raw; using Avalonia.Layout; +using Avalonia.LogicalTree; using Avalonia.Platform; -using Avalonia.Rendering; -using Avalonia.Styling; using Avalonia.UnitTests; +using Moq; using Xunit; namespace Avalonia.Controls.UnitTests { public class TopLevelTests { + [Fact] + public void IsAttachedToLogicalTree_Is_True() + { + using (UnitTestApplication.Start(TestServices.StyledWindow)) + { + var impl = new Mock(); + var target = new TestTopLevel(impl.Object); + + Assert.True(((ILogical)target).IsAttachedToLogicalTree); + } + } + [Fact] public void ClientSize_Should_Be_Set_On_Construction() { diff --git a/tests/Avalonia.Markup.UnitTests/ControlLocatorTests.cs b/tests/Avalonia.Markup.UnitTests/ControlLocatorTests.cs index b9e1cb353a..a5414f1e8c 100644 --- a/tests/Avalonia.Markup.UnitTests/ControlLocatorTests.cs +++ b/tests/Avalonia.Markup.UnitTests/ControlLocatorTests.cs @@ -4,6 +4,7 @@ using System; using System.Collections.Generic; using System.Reactive.Linq; +using System.Threading.Tasks; using Avalonia.Controls; using Avalonia.UnitTests; using Xunit; @@ -13,7 +14,7 @@ namespace Avalonia.Markup.UnitTests public class ControlLocatorTests { [Fact] - public async void Track_By_Name_Should_Find_Control_Added_Earlier() + public async Task Track_By_Name_Should_Find_Control_Added_Earlier() { TextBlock target; TextBlock relativeTo; diff --git a/tests/Avalonia.Markup.UnitTests/Data/BindingExpressionTests.cs b/tests/Avalonia.Markup.UnitTests/Data/BindingExpressionTests.cs index a08dfa39a6..f5c0c6ec15 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/BindingExpressionTests.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/BindingExpressionTests.cs @@ -6,6 +6,7 @@ using System.Collections.Generic; using System.Globalization; using System.Reactive.Linq; using System.Threading; +using System.Threading.Tasks; using Avalonia.Data; using Avalonia.Markup.Data; using Avalonia.UnitTests; @@ -17,13 +18,15 @@ namespace Avalonia.Markup.UnitTests.Data public class BindingExpressionTests : IClassFixture { [Fact] - public async void Should_Get_Simple_Property_Value() + public async Task Should_Get_Simple_Property_Value() { var data = new Class1 { StringValue = "foo" }; var target = new BindingExpression(new ExpressionObserver(data, "StringValue"), typeof(string)); var result = await target.Take(1); Assert.Equal("foo", result); + + GC.KeepAlive(data); } [Fact] @@ -35,6 +38,8 @@ namespace Avalonia.Markup.UnitTests.Data target.OnNext("bar"); Assert.Equal("bar", data.StringValue); + + GC.KeepAlive(data); } [Fact] @@ -46,102 +51,87 @@ namespace Avalonia.Markup.UnitTests.Data target.OnNext("bar"); Assert.Equal("bar", data.Foo[0]); + + GC.KeepAlive(data); } [Fact] - public async void Should_Convert_Get_String_To_Double() + public async Task Should_Convert_Get_String_To_Double() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif var data = new Class1 { StringValue = "5.6" }; var target = new BindingExpression(new ExpressionObserver(data, "StringValue"), typeof(double)); var result = await target.Take(1); Assert.Equal(5.6, result); + + GC.KeepAlive(data); } [Fact] - public async void Getting_Invalid_Double_String_Should_Return_BindingError() + public async Task Getting_Invalid_Double_String_Should_Return_BindingError() { var data = new Class1 { StringValue = "foo" }; var target = new BindingExpression(new ExpressionObserver(data, "StringValue"), typeof(double)); var result = await target.Take(1); Assert.IsType(result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Coerce_Get_Null_Double_String_To_UnsetValue() + public async Task Should_Coerce_Get_Null_Double_String_To_UnsetValue() { var data = new Class1 { StringValue = null }; var target = new BindingExpression(new ExpressionObserver(data, "StringValue"), typeof(double)); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] public void Should_Convert_Set_String_To_Double() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { StringValue = (5.6).ToString() }; var target = new BindingExpression(new ExpressionObserver(data, "StringValue"), typeof(double)); target.OnNext(6.7); Assert.Equal((6.7).ToString(), data.StringValue); + + GC.KeepAlive(data); } [Fact] - public async void Should_Convert_Get_Double_To_String() + public async Task Should_Convert_Get_Double_To_String() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { DoubleValue = 5.6 }; var target = new BindingExpression(new ExpressionObserver(data, "DoubleValue"), typeof(string)); var result = await target.Take(1); Assert.Equal((5.6).ToString(), result); + + GC.KeepAlive(data); } [Fact] public void Should_Convert_Set_Double_To_String() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { DoubleValue = 5.6 }; var target = new BindingExpression(new ExpressionObserver(data, "DoubleValue"), typeof(string)); target.OnNext("6.7"); Assert.Equal(6.7, data.DoubleValue); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_BindingNotification_With_FallbackValue_For_NonConvertibe_Target_Value() + public async Task Should_Return_BindingNotification_With_FallbackValue_For_NonConvertibe_Target_Value() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { StringValue = "foo" }; var target = new BindingExpression( new ExpressionObserver(data, "StringValue"), @@ -156,17 +146,13 @@ namespace Avalonia.Markup.UnitTests.Data BindingErrorType.Error, 42), result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_BindingNotification_With_FallbackValue_For_NonConvertibe_Target_Value_With_Data_Validation() + public async Task Should_Return_BindingNotification_With_FallbackValue_For_NonConvertibe_Target_Value_With_Data_Validation() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { StringValue = "foo" }; var target = new BindingExpression( new ExpressionObserver(data, "StringValue", true), @@ -181,17 +167,13 @@ namespace Avalonia.Markup.UnitTests.Data BindingErrorType.Error, 42), result); + + GC.KeepAlive(data); } - [Fact(Skip="Result is not always AggregateException.")] - public async void Should_Return_BindingNotification_For_Invalid_FallbackValue() + [Fact] + public async Task Should_Return_BindingNotification_For_Invalid_FallbackValue() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { StringValue = "foo" }; var target = new BindingExpression( new ExpressionObserver(data, "StringValue"), @@ -207,17 +189,13 @@ namespace Avalonia.Markup.UnitTests.Data new InvalidCastException("Could not convert FallbackValue 'bar' to 'System.Int32'")), BindingErrorType.Error), result); + + GC.KeepAlive(data); } - [Fact(Skip="Result is not always AggregateException.")] - public async void Should_Return_BindingNotification_For_Invalid_FallbackValue_With_Data_Validation() + [Fact] + public async Task Should_Return_BindingNotification_For_Invalid_FallbackValue_With_Data_Validation() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { StringValue = "foo" }; var target = new BindingExpression( new ExpressionObserver(data, "StringValue", true), @@ -233,6 +211,8 @@ namespace Avalonia.Markup.UnitTests.Data new InvalidCastException("Could not convert FallbackValue 'bar' to 'System.Int32'")), BindingErrorType.Error), result); + + GC.KeepAlive(data); } [Fact] @@ -244,6 +224,8 @@ namespace Avalonia.Markup.UnitTests.Data target.OnNext("foo"); Assert.Equal(5.6, data.DoubleValue); + + GC.KeepAlive(data); } [Fact] @@ -259,6 +241,8 @@ namespace Avalonia.Markup.UnitTests.Data target.OnNext("foo"); Assert.Equal(9.8, data.DoubleValue); + + GC.KeepAlive(data); } [Fact] @@ -270,6 +254,8 @@ namespace Avalonia.Markup.UnitTests.Data target.OnNext(null); Assert.Equal(0, data.DoubleValue); + + GC.KeepAlive(data); } [Fact] @@ -281,19 +267,16 @@ namespace Avalonia.Markup.UnitTests.Data target.OnNext(AvaloniaProperty.UnsetValue); Assert.Equal(0, data.DoubleValue); + + GC.KeepAlive(data); } [Fact] public void Should_Pass_ConverterParameter_To_Convert() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { DoubleValue = 5.6 }; var converter = new Mock(); + var target = new BindingExpression( new ExpressionObserver(data, "DoubleValue"), typeof(string), @@ -302,18 +285,14 @@ namespace Avalonia.Markup.UnitTests.Data target.Subscribe(_ => { }); - converter.Verify(x => x.Convert(5.6, typeof(string), "foo", CultureInfo.InvariantCulture)); + converter.Verify(x => x.Convert(5.6, typeof(string), "foo", CultureInfo.CurrentCulture)); + + GC.KeepAlive(data); } [Fact] public void Should_Pass_ConverterParameter_To_ConvertBack() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { DoubleValue = 5.6 }; var converter = new Mock(); var target = new BindingExpression( @@ -324,18 +303,14 @@ namespace Avalonia.Markup.UnitTests.Data target.OnNext("bar"); - converter.Verify(x => x.ConvertBack("bar", typeof(double), "foo", CultureInfo.InvariantCulture)); + converter.Verify(x => x.ConvertBack("bar", typeof(double), "foo", CultureInfo.CurrentCulture)); + + GC.KeepAlive(data); } [Fact] public void Should_Handle_DataValidation() { -#if NET461 - Thread.CurrentThread.CurrentUICulture = CultureInfo.InvariantCulture; -#else - CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture; -#endif - var data = new Class1 { DoubleValue = 5.6 }; var converter = new Mock(); var target = new BindingExpression(new ExpressionObserver(data, "DoubleValue", true), typeof(string)); @@ -357,6 +332,8 @@ namespace Avalonia.Markup.UnitTests.Data BindingErrorType.Error) }, result); + + GC.KeepAlive(data); } private class Class1 : NotifyingBase diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_AttachedProperty.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_AttachedProperty.cs index 349a09da2c..a8069cb75c 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_AttachedProperty.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_AttachedProperty.cs @@ -4,6 +4,7 @@ using System; using System.Collections.Generic; using System.Reactive.Linq; +using System.Threading.Tasks; using Avalonia.Diagnostics; using Avalonia.Markup.Data; using Xunit; @@ -18,7 +19,7 @@ namespace Avalonia.Markup.UnitTests.Data } [Fact] - public async void Should_Get_Attached_Property_Value() + public async Task Should_Get_Attached_Property_Value() { var data = new Class1(); var target = new ExpressionObserver(data, "(Owner.Foo)"); @@ -30,7 +31,7 @@ namespace Avalonia.Markup.UnitTests.Data } [Fact] - public async void Should_Get_Chained_Attached_Property_Value() + public async Task Should_Get_Chained_Attached_Property_Value() { var data = new Class1 { diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_AvaloniaProperty.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_AvaloniaProperty.cs index ece9437308..cd691daaf9 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_AvaloniaProperty.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_AvaloniaProperty.cs @@ -4,6 +4,7 @@ using System; using System.Collections.Generic; using System.Reactive.Linq; +using System.Threading.Tasks; using Avalonia.Diagnostics; using Avalonia.Markup.Data; using Xunit; @@ -18,7 +19,7 @@ namespace Avalonia.Markup.UnitTests.Data } [Fact] - public async void Should_Get_Simple_Property_Value() + public async Task Should_Get_Simple_Property_Value() { var data = new Class1(); var target = new ExpressionObserver(data, "Foo"); diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_DataValidation.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_DataValidation.cs index 3b5ca26db1..125bd84f3d 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_DataValidation.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_DataValidation.cs @@ -28,6 +28,8 @@ namespace Avalonia.Markup.UnitTests.Data observer.SetValue(-5); Assert.False(validationMessageFound); + + GC.KeepAlive(data); } [Fact] @@ -43,6 +45,8 @@ namespace Avalonia.Markup.UnitTests.Data observer.SetValue(-5); Assert.True(validationMessageFound); + + GC.KeepAlive(data); } [Fact] @@ -102,6 +106,8 @@ namespace Avalonia.Markup.UnitTests.Data new BindingNotification(new Exception("Must be positive"), BindingErrorType.DataValidationError, 5), new BindingNotification(5), }, result); + + GC.KeepAlive(data); } [Fact] @@ -147,6 +153,9 @@ namespace Avalonia.Markup.UnitTests.Data BindingErrorType.Error, AvaloniaProperty.UnsetValue), }, result); + + GC.KeepAlive(container); + GC.KeepAlive(inner); } public class ExceptionTest : NotifyingBase diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Indexer.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Indexer.cs index 9cc843381c..a68213baee 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Indexer.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Indexer.cs @@ -5,6 +5,7 @@ using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Reactive.Linq; +using System.Threading.Tasks; using Avalonia.Collections; using Avalonia.Diagnostics; using Avalonia.Markup.Data; @@ -16,113 +17,135 @@ namespace Avalonia.Markup.UnitTests.Data public class ExpressionObserverTests_Indexer { [Fact] - public async void Should_Get_Array_Value() + public async Task Should_Get_Array_Value() { var data = new { Foo = new [] { "foo", "bar" } }; var target = new ExpressionObserver(data, "Foo[1]"); var result = await target.Take(1); Assert.Equal("bar", result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_UnsetValue_For_Invalid_Array_Index() + public async Task Should_Get_UnsetValue_For_Invalid_Array_Index() { var data = new { Foo = new[] { "foo", "bar" } }; var target = new ExpressionObserver(data, "Foo[invalid]"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_UnsetValue_For_Invalid_Dictionary_Index() + public async Task Should_Get_UnsetValue_For_Invalid_Dictionary_Index() { var data = new { Foo = new Dictionary { { 1, "foo" } } }; var target = new ExpressionObserver(data, "Foo[invalid]"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_UnsetValue_For_Object_Without_Indexer() + public async Task Should_Get_UnsetValue_For_Object_Without_Indexer() { var data = new { Foo = 5 }; var target = new ExpressionObserver(data, "Foo[noindexer]"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_MultiDimensional_Array_Value() + public async Task Should_Get_MultiDimensional_Array_Value() { var data = new { Foo = new[,] { { "foo", "bar" }, { "baz", "qux" } } }; var target = new ExpressionObserver(data, "Foo[1, 1]"); var result = await target.Take(1); Assert.Equal("qux", result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_Value_For_String_Indexer() + public async Task Should_Get_Value_For_String_Indexer() { var data = new { Foo = new Dictionary { { "foo", "bar" }, { "baz", "qux" } } }; var target = new ExpressionObserver(data, "Foo[foo]"); var result = await target.Take(1); Assert.Equal("bar", result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_Value_For_Non_String_Indexer() + public async Task Should_Get_Value_For_Non_String_Indexer() { var data = new { Foo = new Dictionary { { 1.0, "bar" }, { 2.0, "qux" } } }; var target = new ExpressionObserver(data, "Foo[1.0]"); var result = await target.Take(1); Assert.Equal("bar", result); + + GC.KeepAlive(data); } [Fact] - public async void Array_Out_Of_Bounds_Should_Return_UnsetValue() + public async Task Array_Out_Of_Bounds_Should_Return_UnsetValue() { var data = new { Foo = new[] { "foo", "bar" } }; var target = new ExpressionObserver(data, "Foo[2]"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Array_With_Wrong_Dimensions_Should_Return_UnsetValue() + public async Task Array_With_Wrong_Dimensions_Should_Return_UnsetValue() { var data = new { Foo = new[] { "foo", "bar" } }; var target = new ExpressionObserver(data, "Foo[1,2]"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void List_Out_Of_Bounds_Should_Return_UnsetValue() + public async Task List_Out_Of_Bounds_Should_Return_UnsetValue() { var data = new { Foo = new List { "foo", "bar" } }; var target = new ExpressionObserver(data, "Foo[2]"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_List_Value() + public async Task Should_Get_List_Value() { var data = new { Foo = new List { "foo", "bar" } }; var target = new ExpressionObserver(data, "Foo[1]"); var result = await target.Take(1); Assert.Equal("bar", result); + + GC.KeepAlive(data); } [Fact] @@ -139,6 +162,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(new[] { AvaloniaProperty.UnsetValue, "baz" }, result); Assert.Null(((INotifyCollectionChangedDebug)data.Foo).GetCollectionChangedSubscribers()); + + GC.KeepAlive(data); } [Fact] @@ -155,6 +180,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(new[] { "foo", "bar" }, result); Assert.Null(((INotifyCollectionChangedDebug)data.Foo).GetCollectionChangedSubscribers()); + + GC.KeepAlive(data); } [Fact] @@ -171,6 +198,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(new[] { "bar", "baz" }, result); Assert.Null(((INotifyCollectionChangedDebug)data.Foo).GetCollectionChangedSubscribers()); + + GC.KeepAlive(data); } [Fact] @@ -187,6 +216,9 @@ namespace Avalonia.Markup.UnitTests.Data data.Foo.Move(0, 1); Assert.Equal(new[] { "bar", "foo" }, result); + + GC.KeepAlive(sub); + GC.KeepAlive(data); } [Fact] @@ -200,6 +232,9 @@ namespace Avalonia.Markup.UnitTests.Data data.Foo.Clear(); Assert.Equal(new[] { "bar", AvaloniaProperty.UnsetValue }, result); + + GC.KeepAlive(sub); + GC.KeepAlive(data); } [Fact] @@ -220,6 +255,8 @@ namespace Avalonia.Markup.UnitTests.Data var expected = new[] { "bar", "bar2" }; Assert.Equal(expected, result); Assert.Equal(0, data.Foo.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } [Fact] @@ -234,6 +271,8 @@ namespace Avalonia.Markup.UnitTests.Data } Assert.Equal("baz", data.Foo[1]); + + GC.KeepAlive(data); } [Fact] @@ -254,6 +293,8 @@ namespace Avalonia.Markup.UnitTests.Data } Assert.Equal(4, data.Foo["foo"]); + + GC.KeepAlive(data); } [Fact] @@ -274,6 +315,8 @@ namespace Avalonia.Markup.UnitTests.Data } Assert.Equal(4, data.Foo["bar"]); + + GC.KeepAlive(data); } [Fact] @@ -291,6 +334,8 @@ namespace Avalonia.Markup.UnitTests.Data } Assert.Equal("bar2", data.Foo["foo"]); + + GC.KeepAlive(data); } private class NonIntegerIndexer : NotifyingBase diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Lifetime.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Lifetime.cs index 2a2bf06bf1..04a8e30d16 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Lifetime.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Lifetime.cs @@ -90,7 +90,8 @@ namespace Avalonia.Markup.UnitTests.Data { var scheduler = new TestScheduler(); var update = scheduler.CreateColdObservable(); - var target = new ExpressionObserver(() => new { Foo = "foo" }, "Foo", update); + var data = new { Foo = "foo" }; + var target = new ExpressionObserver(() => data, "Foo", update); var result = new List(); using (target.Subscribe(x => result.Add(x))) @@ -101,6 +102,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(new[] { "foo" }, result); Assert.All(update.Subscriptions, x => Assert.NotEqual(Subscription.Infinite, x.Unsubscribe)); + + GC.KeepAlive(data); } private Recorded> OnNext(long time, object value) diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Negation.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Negation.cs index 6bee0d10f4..d8dc2de847 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Negation.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Negation.cs @@ -3,6 +3,7 @@ using System; using System.Reactive.Linq; +using System.Threading.Tasks; using Avalonia.Data; using Avalonia.Markup.Data; using Xunit; @@ -12,57 +13,67 @@ namespace Avalonia.Markup.UnitTests.Data public class ExpressionObserverTests_Negation { [Fact] - public async void Should_Negate_Boolean_Value() + public async Task Should_Negate_Boolean_Value() { var data = new { Foo = true }; var target = new ExpressionObserver(data, "!Foo"); var result = await target.Take(1); Assert.Equal(false, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Negate_0() + public async Task Should_Negate_0() { var data = new { Foo = 0 }; var target = new ExpressionObserver(data, "!Foo"); var result = await target.Take(1); Assert.Equal(true, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Negate_1() + public async Task Should_Negate_1() { var data = new { Foo = 1 }; var target = new ExpressionObserver(data, "!Foo"); var result = await target.Take(1); Assert.Equal(false, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Negate_False_String() + public async Task Should_Negate_False_String() { var data = new { Foo = "false" }; var target = new ExpressionObserver(data, "!Foo"); var result = await target.Take(1); Assert.Equal(true, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Negate_True_String() + public async Task Should_Negate_True_String() { var data = new { Foo = "True" }; var target = new ExpressionObserver(data, "!Foo"); var result = await target.Take(1); Assert.Equal(false, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_BindingNotification_For_String_Not_Convertible_To_Boolean() + public async Task Should_Return_BindingNotification_For_String_Not_Convertible_To_Boolean() { var data = new { Foo = "foo" }; var target = new ExpressionObserver(data, "!Foo"); @@ -73,10 +84,12 @@ namespace Avalonia.Markup.UnitTests.Data new InvalidCastException($"Unable to convert 'foo' to bool."), BindingErrorType.Error), result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_BindingNotification_For_Value_Not_Convertible_To_Boolean() + public async Task Should_Return_BindingNotification_For_Value_Not_Convertible_To_Boolean() { var data = new { Foo = new object() }; var target = new ExpressionObserver(data, "!Foo"); @@ -87,6 +100,8 @@ namespace Avalonia.Markup.UnitTests.Data new InvalidCastException($"Unable to convert 'System.Object' to bool."), BindingErrorType.Error), result); + + GC.KeepAlive(data); } [Fact] @@ -96,6 +111,8 @@ namespace Avalonia.Markup.UnitTests.Data var target = new ExpressionObserver(data, "!Foo"); Assert.False(target.SetValue("bar")); + + GC.KeepAlive(data); } } } diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Observable.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Observable.cs index 640d82fa19..62d5c28f49 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Observable.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Observable.cs @@ -29,6 +29,8 @@ namespace Avalonia.Markup.UnitTests.Data sync.ExecutePostedCallbacks(); Assert.Equal(new[] { source }, result); + + GC.KeepAlive(data); } } @@ -47,6 +49,8 @@ namespace Avalonia.Markup.UnitTests.Data sync.ExecutePostedCallbacks(); Assert.Equal(new[] { "foo", "bar" }, result); + + GC.KeepAlive(data); } } @@ -67,6 +71,8 @@ namespace Avalonia.Markup.UnitTests.Data sub.Dispose(); Assert.Equal(0, data.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } } @@ -87,6 +93,8 @@ namespace Avalonia.Markup.UnitTests.Data // What does it mean to have data validation on an observable? Without a use-case // it's hard to know what to do here so for the moment the value is returned. Assert.Equal(new[] { "foo", "bar" }, result); + + GC.KeepAlive(data); } } @@ -107,6 +115,8 @@ namespace Avalonia.Markup.UnitTests.Data sub.Dispose(); Assert.Equal(0, data.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } } @@ -132,6 +142,8 @@ namespace Avalonia.Markup.UnitTests.Data result); sub.Dispose(); + + GC.KeepAlive(data); } } diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Property.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Property.cs index bdcd39d997..4cb2061c9e 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Property.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Property.cs @@ -11,19 +11,22 @@ using Avalonia.Data; using Avalonia.Markup.Data; using Avalonia.UnitTests; using Xunit; +using System.Threading.Tasks; namespace Avalonia.Markup.UnitTests.Data { public class ExpressionObserverTests_Property { [Fact] - public async void Should_Get_Simple_Property_Value() + public async Task Should_Get_Simple_Property_Value() { var data = new { Foo = "foo" }; var target = new ExpressionObserver(data, "Foo"); var result = await target.Take(1); Assert.Equal("foo", result); + + GC.KeepAlive(data); } [Fact] @@ -35,76 +38,92 @@ namespace Avalonia.Markup.UnitTests.Data target.Subscribe(_ => { }); Assert.Equal(typeof(string), target.ResultType); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_Simple_Property_Value_Null() + public async Task Should_Get_Simple_Property_Value_Null() { var data = new { Foo = (string)null }; var target = new ExpressionObserver(data, "Foo"); var result = await target.Take(1); Assert.Null(result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_Simple_Property_From_Base_Class() + public async Task Should_Get_Simple_Property_From_Base_Class() { var data = new Class3 { Foo = "foo" }; var target = new ExpressionObserver(data, "Foo"); var result = await target.Take(1); Assert.Equal("foo", result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_UnsetValue_For_Root_Null() + public async Task Should_Return_UnsetValue_For_Root_Null() { var data = new Class3 { Foo = "foo" }; var target = new ExpressionObserver(default(object), "Foo"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_UnsetValue_For_Root_UnsetValue() + public async Task Should_Return_UnsetValue_For_Root_UnsetValue() { var data = new Class3 { Foo = "foo" }; var target = new ExpressionObserver(AvaloniaProperty.UnsetValue, "Foo"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_UnsetValue_For_Observable_Root_Null() + public async Task Should_Return_UnsetValue_For_Observable_Root_Null() { var data = new Class3 { Foo = "foo" }; var target = new ExpressionObserver(Observable.Return(default(object)), "Foo"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_UnsetValue_For_Observable_Root_UnsetValue() + public async Task Should_Return_UnsetValue_For_Observable_Root_UnsetValue() { var data = new Class3 { Foo = "foo" }; var target = new ExpressionObserver(Observable.Return(AvaloniaProperty.UnsetValue), "Foo"); var result = await target.Take(1); Assert.Equal(AvaloniaProperty.UnsetValue, result); + + GC.KeepAlive(data); } [Fact] - public async void Should_Get_Simple_Property_Chain() + public async Task Should_Get_Simple_Property_Chain() { var data = new { Foo = new { Bar = new { Baz = "baz" } } }; var target = new ExpressionObserver(data, "Foo.Bar.Baz"); var result = await target.Take(1); Assert.Equal("baz", result); + + GC.KeepAlive(data); } [Fact] @@ -116,10 +135,12 @@ namespace Avalonia.Markup.UnitTests.Data target.Subscribe(_ => { }); Assert.Equal(typeof(string), target.ResultType); + + GC.KeepAlive(data); } [Fact] - public async void Should_Return_BindingNotification_Error_For_Broken_Chain() + public async Task Should_Return_BindingNotification_Error_For_Broken_Chain() { var data = new { Foo = new { Bar = 1 } }; var target = new ExpressionObserver(data, "Foo.Bar.Baz"); @@ -131,6 +152,8 @@ namespace Avalonia.Markup.UnitTests.Data new BindingNotification( new MissingMemberException("Could not find CLR property 'Baz' on '1'"), BindingErrorType.Error), result); + + GC.KeepAlive(data); } [Fact] @@ -151,6 +174,8 @@ namespace Avalonia.Markup.UnitTests.Data AvaloniaProperty.UnsetValue), }, result); + + GC.KeepAlive(data); } [Fact] @@ -160,6 +185,8 @@ namespace Avalonia.Markup.UnitTests.Data var target = new ExpressionObserver(data, "Foo.Bar.Baz"); Assert.Null(target.ResultType); + + GC.KeepAlive(data); } [Fact] @@ -177,6 +204,8 @@ namespace Avalonia.Markup.UnitTests.Data sub.Dispose(); Assert.Equal(0, data.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } [Fact] @@ -205,6 +234,8 @@ namespace Avalonia.Markup.UnitTests.Data sub.Dispose(); Assert.Equal(0, data.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } [Fact] @@ -224,6 +255,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(0, data.PropertyChangedSubscriptionCount); Assert.Equal(0, data.Next.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } [Fact] @@ -245,6 +278,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(0, data.PropertyChangedSubscriptionCount); Assert.Equal(0, data.Next.PropertyChangedSubscriptionCount); Assert.Equal(0, old.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } [Fact] @@ -286,6 +321,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(0, data.PropertyChangedSubscriptionCount); Assert.Equal(0, data.Next.PropertyChangedSubscriptionCount); Assert.Equal(0, old.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } [Fact] @@ -318,6 +355,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(0, data.Next.PropertyChangedSubscriptionCount); Assert.Equal(0, breaking.PropertyChangedSubscriptionCount); Assert.Equal(0, old.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } [Fact] @@ -334,6 +373,8 @@ namespace Avalonia.Markup.UnitTests.Data update.OnNext(Unit.Default); Assert.Equal(new[] { "foo", "bar" }, result); + + GC.KeepAlive(data); } [Fact] @@ -374,6 +415,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(new[] { "foo", "bar" }, result1); Assert.Equal(new[] { "foo", "bar" }, result2); Assert.Equal(new[] { "bar" }, result3); + + GC.KeepAlive(data); } [Fact] @@ -391,6 +434,8 @@ namespace Avalonia.Markup.UnitTests.Data sub2.Dispose(); Assert.Equal(0, data.PropertyChangedSubscriptionCount); + + GC.KeepAlive(data); } [Fact] @@ -405,6 +450,8 @@ namespace Avalonia.Markup.UnitTests.Data } Assert.Equal("bar", data.Foo); + + GC.KeepAlive(data); } [Fact] @@ -419,6 +466,8 @@ namespace Avalonia.Markup.UnitTests.Data } Assert.Equal("baz", ((Class2)data.Next).Bar); + + GC.KeepAlive(data); } [Fact] @@ -431,6 +480,8 @@ namespace Avalonia.Markup.UnitTests.Data { Assert.False(target.SetValue("baz")); } + + GC.KeepAlive(data); } [Fact] @@ -444,6 +495,8 @@ namespace Avalonia.Markup.UnitTests.Data target.SetValue("bar"); Assert.Equal(new[] { null, "bar" }, result); + + GC.KeepAlive(data); } [Fact] @@ -457,6 +510,8 @@ namespace Avalonia.Markup.UnitTests.Data target.SetValue("bar"); Assert.Equal(new[] { null, "bar" }, result); + + GC.KeepAlive(data); } [Fact] @@ -469,6 +524,8 @@ namespace Avalonia.Markup.UnitTests.Data { Assert.False(target.SetValue("baz")); } + + GC.KeepAlive(data); } [Fact] @@ -498,6 +555,9 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(0, first.PropertyChangedSubscriptionCount); Assert.Equal(0, second.PropertyChangedSubscriptionCount); + + GC.KeepAlive(first); + GC.KeepAlive(second); } [Fact] diff --git a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Task.cs b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Task.cs index 61e6dcb833..c251f4398a 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Task.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/ExpressionObserverTests_Task.cs @@ -30,6 +30,8 @@ namespace Avalonia.Markup.UnitTests.Data Assert.Equal(1, result.Count); Assert.IsType>(result[0]); + + GC.KeepAlive(data); } } @@ -45,6 +47,8 @@ namespace Avalonia.Markup.UnitTests.Data var sub = target.Subscribe(x => result.Add(x)); Assert.Equal(new[] { "foo" }, result); + + GC.KeepAlive(data); } } @@ -63,6 +67,8 @@ namespace Avalonia.Markup.UnitTests.Data sync.ExecutePostedCallbacks(); Assert.Equal(new[] { "foo" }, result); + + GC.KeepAlive(data); } } @@ -88,6 +94,8 @@ namespace Avalonia.Markup.UnitTests.Data BindingErrorType.Error) }, result); + + GC.KeepAlive(data); } } @@ -110,6 +118,8 @@ namespace Avalonia.Markup.UnitTests.Data BindingErrorType.Error) }, result); + + GC.KeepAlive(data); } } @@ -130,6 +140,8 @@ namespace Avalonia.Markup.UnitTests.Data // What does it mean to have data validation on a Task? Without a use-case it's // hard to know what to do here so for the moment the value is returned. Assert.Equal(new [] { "foo" }, result); + + GC.KeepAlive(data); } } diff --git a/tests/Avalonia.Markup.UnitTests/Data/Plugins/ExceptionValidationPluginTests.cs b/tests/Avalonia.Markup.UnitTests/Data/Plugins/ExceptionValidationPluginTests.cs index 4a34791008..eb529a3b13 100644 --- a/tests/Avalonia.Markup.UnitTests/Data/Plugins/ExceptionValidationPluginTests.cs +++ b/tests/Avalonia.Markup.UnitTests/Data/Plugins/ExceptionValidationPluginTests.cs @@ -35,6 +35,8 @@ namespace Avalonia.Markup.UnitTests.Data.Plugins new BindingNotification(new ArgumentOutOfRangeException("value"), BindingErrorType.DataValidationError), new BindingNotification(6), }, result); + + GC.KeepAlive(data); } public class Data : NotifyingBase diff --git a/tests/Avalonia.Markup.Xaml.UnitTests/Data/MultiBindingTests.cs b/tests/Avalonia.Markup.Xaml.UnitTests/Data/MultiBindingTests.cs index 5d67151992..874dc18552 100644 --- a/tests/Avalonia.Markup.Xaml.UnitTests/Data/MultiBindingTests.cs +++ b/tests/Avalonia.Markup.Xaml.UnitTests/Data/MultiBindingTests.cs @@ -10,13 +10,14 @@ using Moq; using Avalonia.Controls; using Avalonia.Markup.Xaml.Data; using Xunit; +using System.Threading.Tasks; namespace Avalonia.Markup.Xaml.UnitTests.Data { public class MultiBindingTests { [Fact] - public async void OneWay_Binding_Should_Be_Set_Up() + public async Task OneWay_Binding_Should_Be_Set_Up() { var source = new { A = 1, B = 2, C = 3 }; var binding = new MultiBinding diff --git a/tests/Avalonia.Styling.UnitTests/SelectorTests_Child.cs b/tests/Avalonia.Styling.UnitTests/SelectorTests_Child.cs index d97cc74c95..50b4828e73 100644 --- a/tests/Avalonia.Styling.UnitTests/SelectorTests_Child.cs +++ b/tests/Avalonia.Styling.UnitTests/SelectorTests_Child.cs @@ -6,6 +6,7 @@ using System.Collections.Generic; using System.Linq; using System.Reactive; using System.Reactive.Linq; +using System.Threading.Tasks; using Avalonia.Collections; using Avalonia.Controls; using Avalonia.Data; @@ -45,7 +46,7 @@ namespace Avalonia.Styling.UnitTests } [Fact] - public async void Child_Matches_Control_When_It_Is_Child_OfType_And_Class() + public async Task Child_Matches_Control_When_It_Is_Child_OfType_And_Class() { var parent = new TestLogical1(); var child = new TestLogical2(); @@ -144,6 +145,11 @@ namespace Avalonia.Styling.UnitTests throw new NotImplementedException(); } + public void NotifyAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e) + { + throw new NotImplementedException(); + } + public void NotifyDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e) { throw new NotImplementedException(); diff --git a/tests/Avalonia.Styling.UnitTests/SelectorTests_Descendent.cs b/tests/Avalonia.Styling.UnitTests/SelectorTests_Descendent.cs index b4c284e7c9..7cf8c3dd1c 100644 --- a/tests/Avalonia.Styling.UnitTests/SelectorTests_Descendent.cs +++ b/tests/Avalonia.Styling.UnitTests/SelectorTests_Descendent.cs @@ -175,6 +175,11 @@ namespace Avalonia.Styling.UnitTests throw new NotImplementedException(); } + public void NotifyAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e) + { + throw new NotImplementedException(); + } + public void NotifyDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e) { throw new NotImplementedException(); diff --git a/tests/Avalonia.UnitTests/InvariantCultureFixture.cs b/tests/Avalonia.UnitTests/InvariantCultureFixture.cs index f27df8f599..b00b16e2bb 100644 --- a/tests/Avalonia.UnitTests/InvariantCultureFixture.cs +++ b/tests/Avalonia.UnitTests/InvariantCultureFixture.cs @@ -20,13 +20,22 @@ namespace Avalonia.UnitTests public InvariantCultureFixture() { - _restore = CultureInfo.CurrentUICulture; - CultureInfo.CurrentUICulture = CultureInfo.CurrentCulture = CultureInfo.InvariantCulture; +#if NET461 + _restore = Thread.CurrentThread.CurrentCulture; + Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture; +#else + _restore = CultureInfo.CurrentCulture; + CultureInfo.CurrentCulture = CultureInfo.InvariantCulture; +#endif } public void Dispose() { - CultureInfo.CurrentUICulture = CultureInfo.CurrentCulture = _restore; +#if NET461 + Thread.CurrentThread.CurrentCulture = _restore; +#else + CultureInfo.CurrentCulture = _restore; +#endif } } }