danwalmsley
9 years ago
committed by
GitHub
GitHub
28 changed files with 496 additions and 171 deletions
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// Copyright (c) The Avalonia 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 Avalonia.Controls.Presenters; |
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using Avalonia.Controls.Primitives; |
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using Avalonia.Controls.Templates; |
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using Avalonia.LogicalTree; |
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using Avalonia.UnitTests; |
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using Xunit; |
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namespace Avalonia.Controls.UnitTests.Primitives |
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{ |
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public class PopupRootTests |
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{ |
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[Fact] |
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public void PopupRoot_IsAttachedToLogicalTree_Is_True() |
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{ |
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var target = CreateTarget(); |
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Assert.True(((ILogical)target).IsAttachedToLogicalTree); |
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} |
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} |
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[Fact] |
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public void Templated_Child_IsAttachedToLogicalTree_Is_True() |
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{ |
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var target = CreateTarget(); |
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Assert.True(target.Presenter.IsAttachedToLogicalTree); |
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} |
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} |
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[Fact] |
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public void Attaching_PopupRoot_To_Parent_Logical_Tree_Raises_DetachedFromLogicalTree_And_AttachedToLogicalTree() |
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{ |
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var child = new Decorator(); |
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var target = CreateTarget(); |
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var window = new Window(); |
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var detachedCount = 0; |
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var attachedCount = 0; |
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target.Content = child; |
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target.DetachedFromLogicalTree += (s, e) => ++detachedCount; |
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child.DetachedFromLogicalTree += (s, e) => ++detachedCount; |
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target.AttachedToLogicalTree += (s, e) => ++attachedCount; |
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child.AttachedToLogicalTree += (s, e) => ++attachedCount; |
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((ISetLogicalParent)target).SetParent(window); |
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Assert.Equal(2, detachedCount); |
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Assert.Equal(2, attachedCount); |
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} |
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} |
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[Fact] |
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public void Detaching_PopupRoot_From_Parent_Logical_Tree_Raises_DetachedFromLogicalTree_And_AttachedToLogicalTree() |
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{ |
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using (UnitTestApplication.Start(TestServices.StyledWindow)) |
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{ |
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var child = new Decorator(); |
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var target = CreateTarget(); |
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var window = new Window(); |
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var detachedCount = 0; |
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var attachedCount = 0; |
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target.Content = child; |
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((ISetLogicalParent)target).SetParent(window); |
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target.DetachedFromLogicalTree += (s, e) => ++detachedCount; |
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child.DetachedFromLogicalTree += (s, e) => ++detachedCount; |
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target.AttachedToLogicalTree += (s, e) => ++attachedCount; |
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child.AttachedToLogicalTree += (s, e) => ++attachedCount; |
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((ISetLogicalParent)target).SetParent(null); |
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// Despite being detached from the parent logical tree, we're still attached to a
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// logical tree as PopupRoot itself is a logical tree root.
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Assert.True(((ILogical)target).IsAttachedToLogicalTree); |
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Assert.True(((ILogical)child).IsAttachedToLogicalTree); |
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Assert.Equal(2, detachedCount); |
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Assert.Equal(2, attachedCount); |
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} |
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} |
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private PopupRoot CreateTarget() |
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{ |
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var result = new PopupRoot |
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{ |
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Template = new FuncControlTemplate<PopupRoot>(_ => |
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new ContentPresenter |
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{ |
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Name = "PART_ContentPresenter", |
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}), |
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}; |
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result.ApplyTemplate(); |
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return result; |
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} |
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} |
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} |
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