Method assertEqualAndEqualSign

Lib/test/test_float.py:381–385

(self, a, b)

            self.assertTrue(d == d, "{%r : None} not equal to itself" % f)

    def assertEqualAndEqualSign(self, a, b):
        # fail unless a == b and a and b have the same sign bit;
        # the only difference from assertEqual is that this test
        # distinguishes -0.0 and 0.0.
        self.assertEqual((a, copysign(1.0, a)), (b, copysign(1.0, b)))

    def test_float_floor(self):
        self.assertIsInstance(float(0.5).__floor__(), int)