public void TextBox_With_Xaml_Binding_Is_Freed()
{
using (UnitTestApplication.Start(TestServices.StyledWindow))
{
Func <Window> run = () =>
{
var window = new Window
{
DataContext = new Node {
Name = "foo"
},
Content = new TextBox()
};
var binding = new Perspex.Markup.Xaml.Data.Binding
{
Path = "Name"
};
var textBox = (TextBox)window.Content;
textBox.Bind(TextBox.TextProperty, binding);
// Do a layout and make sure that TextBox gets added to visual tree and its
// Text property set.
LayoutManager.Instance.ExecuteInitialLayoutPass(window);
Assert.IsType <TextBox>(window.Presenter.Child);
Assert.Equal("foo", ((TextBox)window.Presenter.Child).Text);
// Clear the content and DataContext and ensure the TextBox is removed.
window.Content = null;
window.DataContext = null;
LayoutManager.Instance.ExecuteLayoutPass();
Assert.Null(window.Presenter.Child);
return(window);
};
var result = run();
dotMemory.Check(memory =>
Assert.Equal(0, memory.GetObjects(where => where.Type.Is <TextBox>()).ObjectsCount));
dotMemory.Check(memory =>
Assert.Equal(0, memory.GetObjects(where => where.Type.Is <Node>()).ObjectsCount));
}
}
public void TextBox_With_Xaml_Binding_Is_Freed()
{
Func<Window> run = () =>
{
var window = new Window
{
DataContext = new Node { Name = "foo" },
Content = new TextBox()
};
var binding = new Perspex.Markup.Xaml.Data.Binding
{
Path = "Name"
};
binding.Bind((TextBox)window.Content, TextBox.TextProperty);
// Do a layout and make sure that TextBox gets added to visual tree and its
// Text property set.
window.LayoutManager.ExecuteLayoutPass();
Assert.IsType<TextBox>(window.Presenter.Child);
Assert.Equal("foo", ((TextBox)window.Presenter.Child).Text);
// Clear the content and DataContext and ensure the TextBox is removed.
window.Content = null;
window.DataContext = 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<TextBox>()).ObjectsCount));
dotMemory.Check(memory =>
Assert.Equal(0, memory.GetObjects(where => where.Type.Is<Node>()).ObjectsCount));
}