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Viewing changes to Lib/test/test_abstract_numbers.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-13 12:51:00 UTC
  • Revision ID: james.westby@ubuntu.com-20090213125100-uufgcb9yeqzujpqw
Tags: upstream-2.6.1
Import upstream version 2.6.1

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Lib/test/test_abstract_numbers.py
 
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"""Unit tests for numbers.py."""
 
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import math
 
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import operator
 
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import unittest
 
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from numbers import Complex, Real, Rational, Integral
 
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from numbers import Number
 
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from test import test_support
 
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class TestNumbers(unittest.TestCase):
 
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    def test_int(self):
 
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        self.failUnless(issubclass(int, Integral))
 
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        self.failUnless(issubclass(int, Complex))
 
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        self.assertEqual(7, int(7).real)
 
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        self.assertEqual(0, int(7).imag)
 
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        self.assertEqual(7, int(7).conjugate())
 
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        self.assertEqual(7, int(7).numerator)
 
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        self.assertEqual(1, int(7).denominator)
 
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    def test_long(self):
 
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        self.failUnless(issubclass(long, Integral))
 
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        self.failUnless(issubclass(long, Complex))
 
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        self.assertEqual(7, long(7).real)
 
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        self.assertEqual(0, long(7).imag)
 
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        self.assertEqual(7, long(7).conjugate())
 
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        self.assertEqual(7, long(7).numerator)
 
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        self.assertEqual(1, long(7).denominator)
 
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    def test_float(self):
 
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        self.failIf(issubclass(float, Rational))
 
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        self.failUnless(issubclass(float, Real))
 
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        self.assertEqual(7.3, float(7.3).real)
 
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        self.assertEqual(0, float(7.3).imag)
 
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        self.assertEqual(7.3, float(7.3).conjugate())
 
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    def test_complex(self):
 
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        self.failIf(issubclass(complex, Real))
 
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        self.failUnless(issubclass(complex, Complex))
 
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        c1, c2 = complex(3, 2), complex(4,1)
 
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        # XXX: This is not ideal, but see the comment in math_trunc().
 
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        self.assertRaises(AttributeError, math.trunc, c1)
 
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        self.assertRaises(TypeError, float, c1)
 
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        self.assertRaises(TypeError, int, c1)
 
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def test_main():
 
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    test_support.run_unittest(TestNumbers)
 
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if __name__ == "__main__":
 
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    unittest.main()