public void On_child_updated_the_render_operation_is_synchronized()
{
_terminal.Height = 40;
_terminal.Width = 100;
_terminal.CursorLeft = _terminal.CursorTop = 20;
var screen = new ScreenView(_renderer, _terminal, _synchronizationContext);
var view = new TestView();
screen.Child = view;
//Simulate multiple concurrent updates
view.RaiseUpdated();
view.RaiseUpdated();
_synchronizationContext.InvokePostCallbacks();
_synchronizationContext.PostInvocationCount.Should().Be(1);
view.RenderedRegions
.Should()
.BeEquivalentSequenceTo(new Region(0, 0, 100, 40));
}