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gh-102840: Fix confused traceback when floordiv or mod operations happens between Fraction and complex objects (GH-102842)

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Kirill Podoprigora 2024-02-10 17:37:19 +03:00 • committed by GitHub
parent 597fad07f7
commit 5319c66550
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3 changed files with 37 additions and 6 deletions
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27
Lib/test/test_fractions.py
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@ -1314,6 +1314,33 @@ class FractionTest(unittest.TestCase):
self.assertEqual(float(format(f, fmt2)), float(rhs))
self.assertEqual(float(format(-f, fmt2)), float('-' + rhs))
def test_complex_handling(self):
# See issue gh-102840 for more details.
a = F(1, 2)
b = 1j
message = "unsupported operand type(s) for %s: '%s' and '%s'"
# test forward
self.assertRaisesMessage(TypeError,
message % ("%", "Fraction", "complex"),
operator.mod, a, b)
self.assertRaisesMessage(TypeError,
message % ("//", "Fraction", "complex"),
operator.floordiv, a, b)
self.assertRaisesMessage(TypeError,
message % ("divmod()", "Fraction", "complex"),
divmod, a, b)
# test reverse
self.assertRaisesMessage(TypeError,
message % ("%", "complex", "Fraction"),
operator.mod, b, a)
self.assertRaisesMessage(TypeError,
message % ("//", "complex", "Fraction"),
operator.floordiv, b, a)
self.assertRaisesMessage(TypeError,
message % ("divmod()", "complex", "Fraction"),
divmod, b, a)
if __name__ == '__main__':
unittest.main()