def test_size(self):
        """ Test the Size class.

        """
        from enable.layout.geometry import Size

        size = Size(40, 20)
        self.assertTrue(size == Size((40, 20)))
        self.assertTrue(size.width == 40)
        self.assertTrue(size.height == 20)
    def test_box(self):
        """ Test the Box class.

        """
        from enable.layout.geometry import Rect, Box, Pos, Size

        box = Box(20, 70, 60, 10)
        self.assertTrue(box == Box((20, 70, 60, 10)))
        self.assertTrue(box.rect == Rect(10, 20, 60, 40))
        self.assertTrue(box.pos == Pos(10, 20))
        self.assertTrue(box.size == Size(60, 40))
    def test_rect(self):
        """ Test the Rect class.

        """
        from enable.layout.geometry import Rect, Box, Pos, Size

        rect = Rect(10, 20, 60, 40)

        self.assertTrue(rect.box == Box(20, 70, 60, 10))
        self.assertTrue(rect.pos == Pos(10, 20))
        self.assertTrue(rect.size == Size(60, 40))