public void SetObjectThenMove_MovesWithinGrid() { var grid = new UniversalGrid <string>(10, 20); var thing1 = "A".AsSpatialObject(1, 1); var movedFired = false; grid.ItemMoved += (s, e) => { movedFired = true; }; grid.SetObject(thing1); Assert.That(grid.GetObjectsAt(1, 1).Single(), Is.SameAs(thing1)); thing1.Move(0, 1); Assert.That(grid.GetObjectsAt(1, 1).Any(), Is.False); Assert.That(grid.GetObjectsAt(1, 2).Single(), Is.SameAs(thing1)); Assert.That(movedFired); }