Method assertIsNaN

Lib/test/test_math.py:2833–2837

(self, value)

    # Custom assertions.
    def assertIsNaN(self, value):
        self.assertTrue(
            math.isnan(value),
            msg="Expected a NaN, got {!r}".format(value)
        )

    def assertIsPositiveZero(self, value):
        self.assertTrue(