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gh-73123: Test for keepempty argument to string split #26196

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Test for `keepempty` argument to string split
catherinedevlin May 17, 2021
d5f21f1
Merge branch 'python:main' into issue28937-tests
catherinedevlin May 17, 2021
05eca57
Merge branch 'main' into issue28937-tests
hauntsaninja May 19, 2024
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16 changes: 16 additions & 0 deletions Lib/test/string_tests.py
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Original file line number Diff line number Diff line change
Expand Up @@ -512,6 +512,22 @@ def test_split(self):
self.checkraises(ValueError, 'hello', 'split', '')
self.checkraises(ValueError, 'hello', 'split', '', 0)

# without args, any whitespace is a separator
self.checkequal(['a', 'b', 'c', 'd', 'e'], 'a b\tc\nd \n e ', 'split')

# with sep=None, any whitespace is a separator
self.checkequal(['a', 'b', 'c', 'd', 'e'], 'a b\tc\nd \n e ', 'split', sep=None)

# Without an explicit `sep`, or sep=None, empty strings are pruned from result
self.checkequal([], '', 'split')
self.checkequal([], '', 'split', sep=None)

# With an explicit, non-None `sep`, empty strings are not pruned from result
self.checkequal([''], '', 'split', sep=',')

# keepempty=False to remove empty strings from result
self.checkequal([], '', 'split', sep=',', keepempty=False)

def test_rsplit(self):
# without arg
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit')
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