public void SelectionBoxItem_Rectangle_Is_Removed_From_Logical_Tree()
{
var target = new DropDown
{
Items = new[] { new Canvas() },
SelectedIndex = 0,
Template = GetTemplate(),
};
var root = new TestRoot {
Child = target
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
var rectangle = target.GetValue(DropDown.SelectionBoxItemProperty) as Rectangle;
Assert.True(((ILogical)target).IsAttachedToLogicalTree);
Assert.True(((ILogical)rectangle).IsAttachedToLogicalTree);
rectangle.DetachedFromLogicalTree += (s, e) => { };
root.Child = null;
Assert.False(((ILogical)target).IsAttachedToLogicalTree);
Assert.False(((ILogical)rectangle).IsAttachedToLogicalTree);
}
public void Logical_Children_Should_Be_Children_Of_Container()
{
var target = new DropDown();
target.Template = GetTemplate();
target.ApplyTemplate();
var childIds = ((ILogical)target).LogicalChildren.Cast <Control>().Select(x => x.Name);
Assert.Equal(new[] { "contentControl", "toggle", "popup" }, childIds);
}
public void Logical_Children_Should_Be_Children_Of_Container()
{
var target = new DropDown();
target.Template = GetTemplate();
target.ApplyTemplate();
var childIds = ((ILogical)target).LogicalChildren.Cast<Control>().Select(x => x.Name);
Assert.Equal(new[] { "contentControl", "toggle", "popup" }, childIds);
}
public void SelectionBoxItem_Rectangle_Is_Removed_From_Logical_Tree()
{
var target = new DropDown
{
Items = new[] { new Canvas() },
SelectedIndex = 0,
Template = GetTemplate(),
};
var root = new TestRoot { Child = target };
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
var rectangle = target.GetValue(DropDown.SelectionBoxItemProperty) as Rectangle;
Assert.True(((ILogical)target).IsAttachedToLogicalTree);
Assert.True(((ILogical)rectangle).IsAttachedToLogicalTree);
rectangle.DetachedFromLogicalTree += (s, e) => { };
root.Child = null;
Assert.False(((ILogical)target).IsAttachedToLogicalTree);
Assert.False(((ILogical)rectangle).IsAttachedToLogicalTree);
}