| """Unit tests for numbers.py.""" |
| |
| import math |
| import unittest |
| from numbers import Complex, Real, Rational, Integral |
| from test import test_support |
| |
| 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).numerator) |
| self.assertEqual(1, int(7).denominator) |
| |
| def test_long(self): |
| self.assertTrue(issubclass(long, Integral)) |
| self.assertTrue(issubclass(long, Complex)) |
| |
| self.assertEqual(7, long(7).real) |
| self.assertEqual(0, long(7).imag) |
| self.assertEqual(7, long(7).conjugate()) |
| self.assertEqual(7, long(7).numerator) |
| self.assertEqual(1, long(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()) |
| |
| 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(AttributeError, math.trunc, c1) |
| self.assertRaises(TypeError, float, c1) |
| self.assertRaises(TypeError, int, c1) |
| |
| def test_main(): |
| test_support.run_unittest(TestNumbers) |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |
