public void AttachedPropertiesAreTransferredFromTheBackpack() { var nativeView = new MockNativeView(); nativeView.SetValue(Grid.ColumnProperty, 3); nativeView.SetBinding(Grid.RowProperty, new Binding("foo")); var view = nativeView.ToView(); view.BindingContext = new { foo = 42 }; Assert.AreEqual(3, view.GetValue(Grid.ColumnProperty)); Assert.AreEqual(42, view.GetValue(Grid.RowProperty)); }