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Issue #27539: Merge from 3.5.

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Mark Dickinson 2016-08-22 10:56:06 +01:00
commit 0add84b9b8
4 changed files with 22 additions and 1 deletions
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13
Lib/test/test_fractions.py
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@ -356,6 +356,19 @@ class FractionTest(unittest.TestCase):
z = pow(F(-1), F(1, 2))
self.assertAlmostEqual(z.real, 0)
self.assertEqual(z.imag, 1)
# Regression test for #27539.
p = F(-1, 2) ** 0
self.assertEqual(p, F(1, 1))
self.assertEqual(p.numerator, 1)
self.assertEqual(p.denominator, 1)
p = F(-1, 2) ** -1
self.assertEqual(p, F(-2, 1))
self.assertEqual(p.numerator, -2)
self.assertEqual(p.denominator, 1)
p = F(-1, 2) ** -2
self.assertEqual(p, F(4, 1))
self.assertEqual(p.numerator, 4)
self.assertEqual(p.denominator, 1)
def testMixedArithmetic(self):
self.assertTypedEquals(F(11, 10), F(1, 10) + 1)