test_numeric_tower.py 文件源码

def test_complex(self):
        # comparisons with complex are special:  equality and inequality
        # comparisons should always succeed, but order comparisons should
        # raise TypeError.
        z = 1.0 + 0j
        w = -3.14 + 2.7j

        for v in 1, 1.0, F(1), D(1), complex(1):
            self.assertEqual(z, v)
            self.assertEqual(v, z)

        for v in 2, 2.0, F(2), D(2), complex(2):
            self.assertNotEqual(z, v)
            self.assertNotEqual(v, z)
            self.assertNotEqual(w, v)
            self.assertNotEqual(v, w)

        for v in (1, 1.0, F(1), D(1), complex(1),
                  2, 2.0, F(2), D(2), complex(2), w):
            for op in operator.le, operator.lt, operator.ge, operator.gt:
                self.assertRaises(TypeError, op, z, v)
                self.assertRaises(TypeError, op, v, z)