Method test_mixed_comparisons

Lib/test/test_numeric_tower.py:174–203

(self)

class ComparisonTest(unittest.TestCase):
    def test_mixed_comparisons(self):

        # ordered list of distinct test values of various types:
        # int, float, Fraction, Decimal
        test_values = [
            float('-inf'),
            D('-1e425000000'),
            -1e308,
            F(-22, 7),
            -3.14,
            -2,
            0.0,
            1e-320,
            True,
            F('1.2'),
            D('1.3'),
            float('1.4'),
            F(275807, 195025),
            D('1.414213562373095048801688724'),
            F(114243, 80782),
            F(473596569, 84615),
            7e200,
            D('infinity'),
            ]
        for i, first in enumerate(test_values):
            for second in test_values[i+1:]:
                self.assertLess(first, second)
                self.assertLessEqual(first, second)
                self.assertGreater(second, first)
                self.assertGreaterEqual(second, first)

    def test_complex(self):
        # comparisons with complex are special:  equality and inequality