def test_pos(self):
        """ Test the Pos class.

        """
        from enable.layout.geometry import Pos

        pos = Pos(10, 20)
        self.assertTrue(pos.x == 10)
        self.assertTrue(pos.y == 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))