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Added tests for implementation error we came up with in the need for speed sprint.

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Andrew Dalke 2006-05-25 16:30:52 +00:00
parent 1d2576dbf0
commit 2bddcbf10e
1 changed files with 19 additions and 0 deletions
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19
Lib/test/string_tests.py
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@ -882,6 +882,25 @@ class MixinStrUnicodeUserStringTest:
else:
self.checkcall(format, "__mod__", value)
def test_inplace_rewrites(self):
# Check that strings don't copy and modify cached single-character strings
self.checkequal('a', 'A', 'lower')
self.checkequal(True, 'A', 'isupper')
self.checkequal('A', 'a', 'upper')
self.checkequal(True, 'a', 'islower')
self.checkequal('a', 'A', 'replace', 'A', 'a')
self.checkequal(True, 'A', 'isupper')
self.checkequal('A', 'a', 'capitalize')
self.checkequal(True, 'a', 'islower')
self.checkequal('A', 'a', 'swapcase')
self.checkequal(True, 'a', 'islower')
self.checkequal('A', 'a', 'title')
self.checkequal(True, 'a', 'islower')
class MixinStrStringUserStringTest:
# Additional tests for 8bit strings, i.e. str, UserString and