def test___ne__(self):
size1 = Size(1, "512M")
size2 = Size(1, "512M")
size3 = Size(2, "512M")
size4 = Size(1, "1024M")
self.assertFalse(size1.__ne__(size2))
self.assertFalse(size2.__ne__(size1))
self.assertTrue(size1.__ne__(size3))
self.assertTrue(size1.__ne__(size4))
