| """Unit tests for numbers.py.""" |
| |
| import math |
| import operator |
| import unittest |
| from numbers import Complex, Real, Rational, Integral |
| |
| class TestNumbers(unittest.TestCase): |
| def test_int(self): |
| self.assertTrue(issubclass(int, Integral)) |
| self.assertTrue(issubclass(int, Complex)) |
| |
| self.assertEqual(7, int(7).real) |
| self.assertEqual(0, int(7).imag) |
| self.assertEqual(7, int(7).conjugate()) |
| self.assertEqual(-7, int(-7).conjugate()) |
| self.assertEqual(7, int(7).numerator) |
| self.assertEqual(1, int(7).denominator) |
| |
| def test_float(self): |
| self.assertFalse(issubclass(float, Rational)) |
| self.assertTrue(issubclass(float, Real)) |
| |
| self.assertEqual(7.3, float(7.3).real) |
| self.assertEqual(0, float(7.3).imag) |
| self.assertEqual(7.3, float(7.3).conjugate()) |
| self.assertEqual(-7.3, float(-7.3).conjugate()) |
| |
| def test_complex(self): |
| self.assertFalse(issubclass(complex, Real)) |
| self.assertTrue(issubclass(complex, Complex)) |
| |
| c1, c2 = complex(3, 2), complex(4,1) |
| # XXX: This is not ideal, but see the comment in math_trunc(). |
| self.assertRaises(TypeError, math.trunc, c1) |
| self.assertRaises(TypeError, operator.mod, c1, c2) |
| self.assertRaises(TypeError, divmod, c1, c2) |
| self.assertRaises(TypeError, operator.floordiv, c1, c2) |
| self.assertRaises(TypeError, float, c1) |
| self.assertRaises(TypeError, int, c1) |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |
