internal DrawingTest AssertIntersection(Point from, Point to, string intersected)
{
var context = getContext();
var navigator = new SceneNavigator(context.Items);
var obstacle = navigator.GetFirstObstacle(from, to);
if (obstacle == null)
{
Assert.IsNull(intersected, "Expected obstacle, but scene navigator hasn't detected any");
}
Assert.AreEqual <DiagramItemDefinition>(obstacle.Definition, _items[intersected], "Incorrect intersection returned");
return(this);
}
