mirror of https://github.com/python/cpython
45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
"""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()
|