Method assertIsNegativeZero

Lib/test/test_math.py:2845–2849

(self, value)

        )

    def assertIsNegativeZero(self, value):
        self.assertTrue(
            value == 0 and math.copysign(1, value) < 0,
            msg="Expected a negative zero, got {!r}".format(value)
        )


def load_tests(loader, tests, pattern):