| """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() |