public void Bounds_Should_Be_Set_After_Layout_Pass()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
PerspexLocator.CurrentMutable.Bind <ILayoutManager>().ToConstant(new LayoutManager());
var impl = new Mock <ITopLevelImpl>();
impl.SetupProperty(x => x.ClientSize);
impl.SetupProperty(x => x.Resized);
var target = new TestTopLevel(impl.Object)
{
Template = CreateTemplate(),
Content = new TextBlock
{
Width = 321,
Height = 432,
}
};
target.LayoutManager.ExecuteLayoutPass();
Assert.Equal(new Rect(0, 0, 321, 432), target.Bounds);
}
}
private static IDisposable CreateServices()
{
var result = PerspexLocator.EnterScope();
var styles = new Styles
{
new Style(x => x.OfType <PopupRoot>())
{
Setters = new[]
{
new Setter(TemplatedControl.TemplateProperty, new ControlTemplate <PopupRoot>(PopupRootTemplate)),
}
},
};
var globalStyles = new Mock <IGlobalStyles>();
globalStyles.Setup(x => x.Styles).Returns(styles);
PerspexLocator.CurrentMutable
.Bind <ILayoutManager>().ToTransient <LayoutManager>()
.Bind <IGlobalStyles>().ToFunc(() => globalStyles.Object)
.Bind <IPopupImpl>().ToConstant(new Mock <IPopupImpl>().Object)
.Bind <IStyler>().ToTransient <Styler>();
return(result);
}
public void Invalidating_Child_Should_Remeasure_Parent()
{
var layoutManager = new LayoutManager();
using (PerspexLocator.EnterScope())
{
PerspexLocator.CurrentMutable.Bind <ILayoutManager>().ToConstant(layoutManager);
Border border;
StackPanel panel;
var root = new TestLayoutRoot
{
Child = panel = new StackPanel
{
Children = new Controls.Controls
{
(border = new Border())
}
}
};
layoutManager.ExecuteInitialLayoutPass(root);
Assert.Equal(new Size(0, 0), root.DesiredSize);
border.Width = 100;
border.Height = 100;
layoutManager.ExecuteLayoutPass();
Assert.Equal(new Size(100, 100), panel.DesiredSize);
}
}
public void Should_Measure_Expander_Triangle_With_Stroke_Correctly()
{
using (PerspexLocator.EnterScope())
{
Direct2D1Platform.Initialize();
var target = new Path
{
Data = StreamGeometry.Parse("M 0 2 L 4 6 L 0 10 Z"),
Stroke = Brushes.Black,
StrokeThickness = 2,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
UseLayoutRounding = false,
};
target.Measure(new Size(100, 100));
target.Arrange(new Rect(0, 0, 100, 100));
// Measured geometry with stroke of 2px is:
//
// {-1, -0.414, 6.414, 12.828} (see GeometryTests)
//
// With origin at 0,0 the bounds should equal:
//
// Assert.Equal(new Rect(0, 0, 5.414, 12.414), target.Bounds, compare);
//
// However Path.Measure doesn't correctly handle strokes currently, so testing for
// the (incorrect) current output for now...
Assert.Equal(new Rect(0, 0, 4, 10), target.Bounds, Compare);
}
}
public static IDisposable Start(TestServices services = null)
{
var scope = PerspexLocator.EnterScope();
var app = new UnitTestApplication(services);
return(scope);
}
public void Test_ScrollViewer_With_TextBlock()
{
using (var context = PerspexLocator.EnterScope())
{
RegisterServices();
ScrollViewer scrollViewer;
TextBlock textBlock;
var window = new Window()
{
Width = 800,
Height = 600,
SizeToContent = SizeToContent.WidthAndHeight,
Content = scrollViewer = new ScrollViewer
{
Width = 200,
Height = 200,
CanScrollHorizontally = true,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Content = textBlock = new TextBlock
{
Width = 400,
Height = 400,
Text = "Hello World!",
},
}
};
window.LayoutManager.ExecuteLayoutPass();
Assert.Equal(new Size(800, 600), window.Bounds.Size);
Assert.Equal(new Size(200, 200), scrollViewer.Bounds.Size);
Assert.Equal(new Point(300, 200), Position(scrollViewer));
Assert.Equal(new Size(400, 400), textBlock.Bounds.Size);
var scrollBars = scrollViewer.GetTemplateChildren().OfType <ScrollBar>().ToList();
var presenters = scrollViewer.GetTemplateChildren().OfType <ScrollContentPresenter>().ToList();
Assert.Equal(2, scrollBars.Count);
Assert.Equal(1, presenters.Count);
var presenter = presenters[0];
Assert.Equal(new Size(190, 190), presenter.Bounds.Size);
var horzScroll = scrollBars.Single(x => x.Orientation == Orientation.Horizontal);
var vertScroll = scrollBars.Single(x => x.Orientation == Orientation.Vertical);
Assert.True(horzScroll.IsVisible);
Assert.True(vertScroll.IsVisible);
Assert.Equal(new Size(190, 10), horzScroll.Bounds.Size);
Assert.Equal(new Size(10, 190), vertScroll.Bounds.Size);
Assert.Equal(new Point(0, 190), Position(horzScroll));
Assert.Equal(new Point(190, 0), Position(vertScroll));
}
}
private IDisposable RegisterServices()
{
var result = PerspexLocator.EnterScope();
var fixture = new Fixture().Customize(new AutoMoqCustomization());
var renderInterface = fixture.Create <IPlatformRenderInterface>();
PerspexLocator.CurrentMutable.Bind <IPlatformRenderInterface>().ToConstant(renderInterface);
return(result);
}
public void Should_Measure_Expander_Triangle_Correctly()
{
using (PerspexLocator.EnterScope())
{
Direct2D1Platform.Initialize();
var target = StreamGeometry.Parse("M 0 2 L 4 6 L 0 10 Z");
Assert.Equal(new Rect(0, 2, 4, 8), target.Bounds, Compare);
}
}
public void Should_Measure_Expander_Triangle_With_Stroke_Correctly()
{
using (PerspexLocator.EnterScope())
{
Direct2D1Platform.Initialize();
var target = StreamGeometry.Parse("M 0 2 L 4 6 L 0 10 Z");
Assert.Equal(new Rect(-1, -0.414, 6.414, 12.828), target.GetRenderBounds(2), Compare);
}
}
public void Name_Cannot_Be_Set_After_Added_To_Logical_Tree()
{
using (PerspexLocator.EnterScope())
{
var root = new TestRoot();
var child = new Border();
root.Child = child;
Assert.Throws <InvalidOperationException>(() => child.Name = "foo");
}
}
public void Adding_To_Logical_Tree_Should_Register_With_NameScope()
{
using (PerspexLocator.EnterScope())
{
var root = new TestRoot();
var child = new Border();
child.Name = "foo";
root.Child = child;
Assert.Same(root.FindControl <Border>("foo"), child);
}
}
public void TabItem_Templates_Should_Be_Set_Before_TabItem_ApplyTemplate()
{
var collection = new[]
{
new TabItem
{
Name = "first",
Content = "foo",
},
new TabItem
{
Name = "second",
Content = "bar",
},
new TabItem
{
Name = "3rd",
Content = "barf",
},
};
var template = new FuncControlTemplate <TabItem>(x => new Decorator());
using (PerspexLocator.EnterScope())
{
PerspexLocator.CurrentMutable.Bind <IStyler>().ToConstant(new Styler());
var root = new TestRoot
{
Styles = new Styles
{
new Style(x => x.OfType <TabItem>())
{
Setters = new[]
{
new Setter(TemplatedControl.TemplateProperty, template)
}
}
},
Child = new TabControl
{
Template = new FuncControlTemplate <TabControl>(CreateTabControlTemplate),
Items = collection,
}
};
}
Assert.Same(collection[0].Template, template);
Assert.Same(collection[1].Template, template);
Assert.Same(collection[2].Template, template);
}
public void Activate_Should_Call_Impl_Activate()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var impl = new Mock <ITopLevelImpl>();
var target = new TestTopLevel(impl.Object);
target.Activate();
impl.Verify(x => x.Activate());
}
}
public void Height_Should_Not_Be_Set_On_Construction()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var impl = new Mock <ITopLevelImpl>();
impl.Setup(x => x.ClientSize).Returns(new Size(123, 456));
var target = new TestTopLevel(impl.Object);
Assert.Equal(double.NaN, target.Height);
}
}
public void Layout_Pass_Should_Not_Be_Automatically_Scheduled()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var impl = new Mock <ITopLevelImpl>();
var target = new TestTopLevel(impl.Object);
// The layout pass should be scheduled by the derived class.
var layoutManagerMock = Mock.Get(target.LayoutManager);
layoutManagerMock.Verify(x => x.ExecuteLayoutPass(), Times.Never);
}
}
public void Adding_Control_To_IRenderRoot_Should_Style_Control()
{
using (PerspexLocator.EnterScope())
{
var root = new TestRoot();
var target = new Control();
var styler = new Mock <IStyler>();
PerspexLocator.CurrentMutable.Bind <IStyler>().ToConstant(styler.Object);
root.Child = target;
styler.Verify(x => x.ApplyStyles(target), Times.Once());
}
}
public void Width_And_Height_Should_Not_Be_Set_After_Layout_Pass()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var impl = new Mock <ITopLevelImpl>();
impl.Setup(x => x.ClientSize).Returns(new Size(123, 456));
var target = new TestTopLevel(impl.Object);
target.LayoutManager.ExecuteLayoutPass();
Assert.Equal(double.NaN, target.Width);
Assert.Equal(double.NaN, target.Height);
}
}
public void Binding_Should_Be_Assigned_To_ItemsSource_Instead_Of_Bound()
{
using (PerspexLocator.EnterScope())
{
PerspexLocator.CurrentMutable
.Bind <IPclPlatformWrapper>()
.ToConstant(Mock.Of <IPclPlatformWrapper>());
var xaml = "<DataTemplates xmlns='https://github.com/perspex'><TreeDataTemplate ItemsSource='{Binding}'/></DataTemplates>";
var loader = new PerspexXamlLoader();
var templates = (DataTemplates)loader.Load(xaml);
var template = (TreeDataTemplate)(templates.First());
Assert.IsType <Binding>(template.ItemsSource);
}
}
public void Binding_Should_Be_Assigned_To_Setter_Value_Instead_Of_Bound()
{
using (PerspexLocator.EnterScope())
{
PerspexLocator.CurrentMutable
.Bind <IPclPlatformWrapper>()
.ToConstant(Mock.Of <IPclPlatformWrapper>());
var xaml = "<Style xmlns='https://github.com/perspex'><Setter Value='{Binding}'/></Style>";
var loader = new PerspexXamlLoader();
var style = (Style)loader.Load(xaml);
var setter = (Setter)(style.Setters.First());
Assert.IsType <Binding>(setter.Value);
}
}
public void Name_Can_Be_Set_While_Initializing()
{
using (PerspexLocator.EnterScope())
{
var root = new TestRoot();
var child = new Border();
((ISupportInitialize)child).BeginInit();
root.Child = child;
child.Name = "foo";
Assert.Null(root.FindControl <Border>("foo"));
((ISupportInitialize)child).EndInit();
Assert.Same(root.FindControl <Border>("foo"), child);
}
}
public void StyleDetach_Is_Triggered_When_Control_Removed_From_Logical_Tree()
{
using (PerspexLocator.EnterScope())
{
var root = new TestRoot();
var child = new Border();
root.Child = child;
bool styleDetachTriggered = false;
((IStyleable)child).StyleDetach.Subscribe(_ => styleDetachTriggered = true);
root.Child = null;
Assert.True(styleDetachTriggered);
}
}
public void Adding_Top_Level_As_Child_Should_Throw_Exception()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var impl = new Mock <ITopLevelImpl>();
impl.SetupAllProperties();
var target = new TestTopLevel(impl.Object);
var child = new TestTopLevel(impl.Object);
target.Template = CreateTemplate();
target.Content = child;
Assert.Throws <InvalidOperationException>(() => target.ApplyTemplate());
}
}
public void HotKeyManager_Should_Register_And_Unregister_Key_Binding()
{
using (PerspexLocator.EnterScope())
{
var windowImpl = new Mock <IWindowImpl>();
var styler = new Mock <Styler>();
PerspexLocator.CurrentMutable
.Bind <IWindowImpl>().ToConstant(windowImpl.Object)
.Bind <IStyler>().ToConstant(styler.Object);
var gesture1 = new KeyGesture {
Key = Key.A, Modifiers = InputModifiers.Control
};
var gesture2 = new KeyGesture {
Key = Key.B, Modifiers = InputModifiers.Control
};
var tl = new Window();
var button = new Button();
tl.Content = button;
tl.Template = CreateWindowTemplate();
tl.ApplyTemplate();
HotKeyManager.SetHotKey(button, gesture1);
Assert.Equal(gesture1, tl.KeyBindings[0].Gesture);
HotKeyManager.SetHotKey(button, gesture2);
Assert.Equal(gesture2, tl.KeyBindings[0].Gesture);
tl.Content = null;
tl.Presenter.ApplyTemplate();
Assert.Empty(tl.KeyBindings);
tl.Content = button;
tl.Presenter.ApplyTemplate();
Assert.Equal(gesture2, tl.KeyBindings[0].Gesture);
HotKeyManager.SetHotKey(button, null);
Assert.Empty(tl.KeyBindings);
}
}
public void Styles_Not_Applied_Until_Initialization_Finished()
{
using (PerspexLocator.EnterScope())
{
var root = new TestRoot();
var child = new Border();
var styler = new Mock <IStyler>();
PerspexLocator.CurrentMutable.Bind <IStyler>().ToConstant(styler.Object);
((ISupportInitialize)child).BeginInit();
root.Child = child;
styler.Verify(x => x.ApplyStyles(It.IsAny <IStyleable>()), Times.Never());
((ISupportInitialize)child).EndInit();
styler.Verify(x => x.ApplyStyles(child), Times.Once());
}
}
public void Width_And_Height_Should_Be_Set_After_Window_Resize_Notification()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var impl = new Mock <ITopLevelImpl>();
impl.SetupAllProperties();
impl.Setup(x => x.ClientSize).Returns(new Size(123, 456));
// The user has resized the window, so we can no longer auto-size.
var target = new TestTopLevel(impl.Object);
impl.Object.Resized(new Size(100, 200));
Assert.Equal(100, target.Width);
Assert.Equal(200, target.Height);
}
}
public void Impl_Deactivate_Should_Call_Raise_Activated_Event()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var impl = new Mock <ITopLevelImpl>();
impl.SetupAllProperties();
bool raised = false;
var target = new TestTopLevel(impl.Object);
target.Deactivated += (s, e) => raised = true;
impl.Object.Deactivated();
Assert.True(raised);
}
}
public void Render_Should_Be_Scheduled_After_Layout_Pass()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var completed = new Subject <Unit>();
var layoutManagerMock = Mock.Get(PerspexLocator.Current.GetService <ILayoutManager>());
layoutManagerMock.Setup(x => x.LayoutCompleted).Returns(completed);
var impl = new Mock <ITopLevelImpl>();
impl.Setup(x => x.ClientSize).Returns(new Size(123, 456));
var target = new TestTopLevel(impl.Object);
completed.OnNext(Unit.Default);
var renderManagerMock = Mock.Get(PerspexLocator.Current.GetService <IRenderQueueManager>());
renderManagerMock.Verify(x => x.InvalidateRender(target));
}
}
public void Should_Measure_Expander_Triangle_Correctly()
{
using (PerspexLocator.EnterScope())
{
Direct2D1Platform.Initialize();
var target = new Path
{
Data = StreamGeometry.Parse("M 0 2 L 4 6 L 0 10 Z"),
StrokeThickness = 0,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
UseLayoutRounding = false,
};
target.Measure(new Size(100, 100));
target.Arrange(new Rect(0, 0, 100, 100));
Assert.Equal(new Rect(0, 0, 4, 10), target.Bounds, Compare);
}
}
public void Impl_Input_Should_Pass_Input_To_InputManager()
{
using (PerspexLocator.EnterScope())
{
RegisterServices();
var impl = new Mock <ITopLevelImpl>();
impl.SetupAllProperties();
var target = new TestTopLevel(impl.Object);
var input = new RawKeyEventArgs(
new Mock <IKeyboardDevice>().Object,
0,
RawKeyEventType.KeyDown,
Key.A, InputModifiers.None);
impl.Object.Input(input);
var inputManagerMock = Mock.Get(InputManager.Instance);
inputManagerMock.Verify(x => x.Process(input));
}
}
public void Setter_With_TwoWay_Binding_And_Activator_Should_Update_Source()
{
using (PerspexLocator.EnterScope())
{
PerspexLocator.CurrentMutable
.Bind <IPlatformThreadingInterface>()
.ToConstant(Mock.Of <IPlatformThreadingInterface>(x =>
x.CurrentThreadIsLoopThread == true));
var data = new Data
{
Foo = "foo",
};
var control = new TextBox
{
DataContext = data,
};
var setter = new Setter
{
Property = TextBox.TextProperty,
Value = new Binding
{
Path = "Foo",
Mode = BindingMode.TwoWay
}
};
var activator = Observable.Never <bool>().StartWith(true);
setter.Apply(null, control, activator);
Assert.Equal("foo", control.Text);
control.Text = "bar";
Assert.Equal("bar", data.Foo);
}
}