public void Focus_Pseudoclass_Should_Be_Applied_On_Focus()
{
using (UnitTestApplication.Start(TestServices.RealFocus))
{
var target1 = new Decorator();
var target2 = new Decorator();
var root = new TestRoot
{
Child = new StackPanel
{
Children =
{
target1,
target2
}
}
};
target1.ApplyTemplate();
target2.ApplyTemplate();
FocusManager.Instance?.Focus(target1);
Assert.True(target1.IsFocused);
Assert.True(target1.Classes.Contains(":focus"));
Assert.False(target2.IsFocused);
Assert.False(target2.Classes.Contains(":focus"));
FocusManager.Instance?.Focus(target2, NavigationMethod.Tab);
Assert.False(target1.IsFocused);
Assert.False(target1.Classes.Contains(":focus"));
Assert.True(target2.IsFocused);
Assert.True(target2.Classes.Contains(":focus"));
}
}
public void Control_FocusWithin_PseudoClass_Should_Be_Applied()
{
using (UnitTestApplication.Start(TestServices.RealFocus))
{
var target1 = new Decorator();
var target2 = new Decorator();
var root = new TestRoot
{
Child = new StackPanel
{
Children =
{
target1,
target2
}
}
};
target1.ApplyTemplate();
target2.ApplyTemplate();
FocusManager.Instance?.Focus(target1);
Assert.True(target1.IsFocused);
Assert.True(target1.Classes.Contains(":focus-within"));
Assert.True(target1.IsKeyboardFocusWithin);
Assert.True(root.Child.Classes.Contains(":focus-within"));
Assert.True(root.Child.IsKeyboardFocusWithin);
Assert.True(root.Classes.Contains(":focus-within"));
Assert.True(root.IsKeyboardFocusWithin);
}
}
public void Control_FocusWithin_Pseudoclass_Should_Be_Removed_When_Removed_From_Tree()
{
using (UnitTestApplication.Start(TestServices.RealFocus))
{
var target1 = new Decorator();
var target2 = new Decorator();
var root = new TestRoot
{
Child = new StackPanel
{
Children =
{
target1,
target2
}
}
};
target1.ApplyTemplate();
target2.ApplyTemplate();
FocusManager.Instance?.Focus(target1);
Assert.True(target1.IsFocused);
Assert.True(target1.Classes.Contains(":focus-within"));
Assert.True(target1.IsKeyboardFocusWithin);
Assert.True(root.Child.Classes.Contains(":focus-within"));
Assert.True(root.Child.IsKeyboardFocusWithin);
Assert.True(root.Classes.Contains(":focus-within"));
Assert.True(root.IsKeyboardFocusWithin);
Assert.Equal(KeyboardDevice.Instance.FocusedElement, target1);
root.Child = null;
Assert.Null(KeyboardDevice.Instance.FocusedElement);
Assert.False(target1.IsFocused);
Assert.False(target1.Classes.Contains(":focus-within"));
Assert.False(target1.IsKeyboardFocusWithin);
Assert.False(root.Classes.Contains(":focus-within"));
Assert.False(root.IsKeyboardFocusWithin);
}
}
