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Mark 'abc'.expandtab() optimization as specific to CPython

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Improve also str.replace(a, a) test
This commit is contained in:
Victor Stinner 2011-10-07 13:31:46 +02:00
parent ba7c226095
commit 1d972ad12a
1 changed files with 4 additions and 3 deletions
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7
Lib/test/test_unicode.py
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@ -277,9 +277,9 @@ class UnicodeTest(string_tests.CommonTest,
@support.cpython_only
def test_replace_id(self):
a = 'a' # single ascii letters are singletons
text = 'abc'
self.assertIs(text.replace('a', 'a'), text)
pattern = 'abc'
text = 'abc def'
self.assertIs(text.replace(pattern, pattern), text)
def test_bytes_comparison(self):
with support.check_warnings():
@ -1579,6 +1579,7 @@ class UnicodeTest(string_tests.CommonTest,
return
self.assertRaises(OverflowError, 't\tt\t'.expandtabs, sys.maxsize)
@support.cpython_only
def test_expandtabs_optimization(self):
s = 'abc'
self.assertIs(s.expandtabs(), s)