def test_get_intersect(self):
T = Triangle()
result = T.get_intersect(Vector(0.0, 0.0, 0.0), Vector(1.0, 1.0, -0.5))
self.assertEqual(result, False)
result = T.get_intersect(Vector(0.0, 0.0, 0.0),
Vector(-1.0, -1.0, 1.0))
self.assertEqual(result, False)
result = T.get_intersect(Vector(2.0, 0.0, 0.0), Vector(-2.0, 2.0, 0.0))
self.assertEqual(result, False)
T = Triangle(Vector(1.0, 0.0, 0.0), Vector(0.0, 0.0, 1.0),
Vector(0.0, 1.0, 0.0))
result = T.get_intersect(Vector(0.0, 0.0, 0.0), Vector(1.0, 1.0, 1.0))
self.assertEqual(result, True)
