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52 lines
1.7 KiB
Python
52 lines
1.7 KiB
Python
"""Unit tests for numbers.py."""
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import unittest
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from test import test_support
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from numbers import Number
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from numbers import Exact, Inexact
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from numbers import Complex, Real, Rational, Integral
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import operator
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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.failUnless(issubclass(int, Exact))
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self.failIf(issubclass(int, Inexact))
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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_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.failIf(issubclass(float, Exact))
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self.failUnless(issubclass(float, Inexact))
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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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self.failIf(issubclass(complex, Exact))
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self.failUnless(issubclass(complex, Inexact))
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c1, c2 = complex(3, 2), complex(4,1)
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self.assertRaises(TypeError, trunc, c1)
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self.assertRaises(TypeError, operator.mod, c1, c2)
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self.assertRaises(TypeError, divmod, c1, c2)
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self.assertRaises(TypeError, operator.floordiv, c1, c2)
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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()
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