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bpo-35606: Fix math.prod tests using 'start' as keyword parameter (GH-28595)

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(cherry picked from commit 84975146a7)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
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Miss Islington (bot) 2021-09-28 05:56:52 -07:00 • committed by GitHub
parent acd46feff3
commit fd52afd192
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2 changed files with 15 additions and 14 deletions
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18
Lib/test/test_math.py
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@ -1783,16 +1783,22 @@ class MathTests(unittest.TestCase):
self.assertRaises(TypeError, prod)
self.assertRaises(TypeError, prod, 42)
self.assertRaises(TypeError, prod, ['a', 'b', 'c'])
self.assertRaises(TypeError, prod, ['a', 'b', 'c'], '')
self.assertRaises(TypeError, prod, [b'a', b'c'], b'')
self.assertRaises(TypeError, prod, ['a', 'b', 'c'], start='')
self.assertRaises(TypeError, prod, [b'a', b'c'], start=b'')
values = [bytearray(b'a'), bytearray(b'b')]
self.assertRaises(TypeError, prod, values, bytearray(b''))
self.assertRaises(TypeError, prod, values, start=bytearray(b''))
self.assertRaises(TypeError, prod, [[1], [2], [3]])
self.assertRaises(TypeError, prod, [{2:3}])
self.assertRaises(TypeError, prod, [{2:3}]*2, {2:3})
self.assertRaises(TypeError, prod, [[1], [2], [3]], [])
self.assertRaises(TypeError, prod, [{2:3}]*2, start={2:3})
self.assertRaises(TypeError, prod, [[1], [2], [3]], start=[])
# Some odd cases
self.assertEqual(prod([2, 3], start='ab'), 'abababababab')
self.assertEqual(prod([2, 3], start=[1, 2]), [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2])
self.assertEqual(prod([], start={2: 3}), {2:3})
with self.assertRaises(TypeError):
prod([10, 20], [30, 40]) # start is a keyword-only argument
prod([10, 20], 1) # start is a keyword-only argument
self.assertEqual(prod([0, 1, 2, 3]), 0)
self.assertEqual(prod([1, 0, 2, 3]), 0)