def METHOD_NAME(self):
    plane = Planed()
    self.assertEqual(plane.offset(), 0.0)
    self.assertEqual(plane.normal(), Vector3d())
    self.assertEqual(plane.size(), Vector2d(0, 0))
    plane = Planed(Vector3d(0, 0, 1), Vector2d(2, 3), 2.0)
    self.assertEqual(plane.offset(), 2.0)
    self.assertEqual(plane.normal(), Vector3d(0, 0, 1))
    self.assertEqual(plane.size(), Vector2d(2, 3))
    self.assertEqual(-1, plane.distance(
        Vector3d(0, 0, 1),
        Vector3d(0, 0, -1)))
    plane.set(Vector3d(1, 0, 0), Vector2d(1, 1), 1.0)
    self.assertEqual(plane.offset(), 1.0)
    self.assertEqual(plane.normal(), Vector3d(1, 0, 0))
    self.assertEqual(plane.size(), Vector2d(1, 1))
    plane = Planed(Vector3d(0, 1, 0), Vector2d(4, 4), 5.0)
    self.assertEqual(plane.offset(), 5.0)
    self.assertEqual(plane.normal(), Vector3d(0, 1, 0))
    self.assertEqual(plane.size(), Vector2d(4, 4))