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https://github.com/python/cpython
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Issue #26712: Unify (r)split, (l/r)strip tests into string_tests
This eliminates a few redundant test cases.
This commit is contained in:
Martin Panter
parent
d979b2cfcf
commit
0d0db6cc1e
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@ -368,6 +368,8 @@ def test_split(self):
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sys.maxsize-2)
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self.checkequal(['a|b|c|d'], 'a|b|c|d', 'split', '|', 0)
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self.checkequal(['a', '', 'b||c||d'], 'a||b||c||d', 'split', '|', 2)
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self.checkequal(['abcd'], 'abcd', 'split', '|')
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self.checkequal([''], '', 'split', '|')
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self.checkequal(['endcase ', ''], 'endcase |', 'split', '|')
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self.checkequal(['', ' startcase'], '| startcase', 'split', '|')
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self.checkequal(['', 'bothcase', ''], '|bothcase|', 'split', '|')
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@ -435,6 +437,8 @@ def test_rsplit(self):
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sys.maxsize-100)
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self.checkequal(['a|b|c|d'], 'a|b|c|d', 'rsplit', '|', 0)
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self.checkequal(['a||b||c', '', 'd'], 'a||b||c||d', 'rsplit', '|', 2)
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self.checkequal(['abcd'], 'abcd', 'rsplit', '|')
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self.checkequal([''], '', 'rsplit', '|')
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self.checkequal(['', ' begincase'], '| begincase', 'rsplit', '|')
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self.checkequal(['endcase ', ''], 'endcase |', 'rsplit', '|')
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self.checkequal(['', 'bothcase', ''], '|bothcase|', 'rsplit', '|')
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@ -714,16 +718,21 @@ def test_additional_split(self):
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self.checkequal(['a'], ' a ', 'split')
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self.checkequal(['a', 'b'], ' a b ', 'split')
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self.checkequal(['a', 'b '], ' a b ', 'split', None, 1)
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self.checkequal(['a b c '], ' a b c ', 'split', None, 0)
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self.checkequal(['a', 'b c '], ' a b c ', 'split', None, 1)
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self.checkequal(['a', 'b', 'c '], ' a b c ', 'split', None, 2)
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self.checkequal(['a', 'b', 'c'], ' a b c ', 'split', None, 3)
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self.checkequal(['a', 'b'], '\n\ta \t\r b \v ', 'split')
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aaa = ' a '*20
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self.checkequal(['a']*20, aaa, 'split')
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self.checkequal(['a'] + [aaa[4:]], aaa, 'split', None, 1)
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self.checkequal(['a']*19 + ['a '], aaa, 'split', None, 19)
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# mixed use of str and unicode
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self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', ' ', 2)
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for b in ('arf\tbarf', 'arf\nbarf', 'arf\rbarf',
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'arf\fbarf', 'arf\vbarf'):
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self.checkequal(['arf', 'barf'], b, 'split')
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self.checkequal(['arf', 'barf'], b, 'split', None)
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self.checkequal(['arf', 'barf'], b, 'split', None, 2)
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def test_additional_rsplit(self):
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self.checkequal(['this', 'is', 'the', 'rsplit', 'function'],
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@ -745,36 +754,53 @@ def test_additional_rsplit(self):
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self.checkequal(['a'], ' a ', 'rsplit')
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self.checkequal(['a', 'b'], ' a b ', 'rsplit')
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self.checkequal([' a', 'b'], ' a b ', 'rsplit', None, 1)
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self.checkequal([' a b c'], ' a b c ', 'rsplit',
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None, 0)
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self.checkequal([' a b','c'], ' a b c ', 'rsplit',
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None, 1)
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self.checkequal([' a', 'b', 'c'], ' a b c ', 'rsplit',
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None, 2)
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self.checkequal(['a', 'b', 'c'], ' a b c ', 'rsplit',
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None, 3)
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self.checkequal(['a', 'b'], '\n\ta \t\r b \v ', 'rsplit', None, 88)
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aaa = ' a '*20
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self.checkequal(['a']*20, aaa, 'rsplit')
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self.checkequal([aaa[:-4]] + ['a'], aaa, 'rsplit', None, 1)
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self.checkequal([' a a'] + ['a']*18, aaa, 'rsplit', None, 18)
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# mixed use of str and unicode
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self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', ' ', 2)
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for b in ('arf\tbarf', 'arf\nbarf', 'arf\rbarf',
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'arf\fbarf', 'arf\vbarf'):
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self.checkequal(['arf', 'barf'], b, 'rsplit')
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self.checkequal(['arf', 'barf'], b, 'rsplit', None)
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self.checkequal(['arf', 'barf'], b, 'rsplit', None, 2)
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def test_strip(self):
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def test_strip_whitespace(self):
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self.checkequal('hello', ' hello ', 'strip')
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self.checkequal('hello ', ' hello ', 'lstrip')
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self.checkequal(' hello', ' hello ', 'rstrip')
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self.checkequal('hello', 'hello', 'strip')
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b = ' \t\n\r\f\vabc \t\n\r\f\v'
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self.checkequal('abc', b, 'strip')
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self.checkequal('abc \t\n\r\f\v', b, 'lstrip')
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self.checkequal(' \t\n\r\f\vabc', b, 'rstrip')
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# strip/lstrip/rstrip with None arg
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self.checkequal('hello', ' hello ', 'strip', None)
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self.checkequal('hello ', ' hello ', 'lstrip', None)
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self.checkequal(' hello', ' hello ', 'rstrip', None)
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self.checkequal('hello', 'hello', 'strip', None)
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def test_strip(self):
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# strip/lstrip/rstrip with str arg
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self.checkequal('hello', 'xyzzyhelloxyzzy', 'strip', 'xyz')
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self.checkequal('helloxyzzy', 'xyzzyhelloxyzzy', 'lstrip', 'xyz')
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self.checkequal('xyzzyhello', 'xyzzyhelloxyzzy', 'rstrip', 'xyz')
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self.checkequal('hello', 'hello', 'strip', 'xyz')
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self.checkequal('', 'mississippi', 'strip', 'mississippi')
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# only trim the start and end; does not strip internal characters
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self.checkequal('mississipp', 'mississippi', 'strip', 'i')
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self.checkraises(TypeError, 'hello', 'strip', 42, 42)
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self.checkraises(TypeError, 'hello', 'lstrip', 42, 42)
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@ -495,68 +495,16 @@ def test_replace(self):
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self.assertEqual(b.replace(b'i', b'a'), b'massassappa')
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self.assertEqual(b.replace(b'ss', b'x'), b'mixixippi')
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def test_split(self):
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b = self.type2test(b'mississippi')
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self.assertEqual(b.split(b'i'), [b'm', b'ss', b'ss', b'pp', b''])
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self.assertEqual(b.split(b'ss'), [b'mi', b'i', b'ippi'])
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self.assertEqual(b.split(b'w'), [b])
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# with keyword args
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b = self.type2test(b'a|b|c|d')
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self.assertEqual(b.split(sep=b'|'), [b'a', b'b', b'c', b'd'])
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self.assertEqual(b.split(b'|', maxsplit=1), [b'a', b'b|c|d'])
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self.assertEqual(b.split(sep=b'|', maxsplit=1), [b'a', b'b|c|d'])
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self.assertEqual(b.split(maxsplit=1, sep=b'|'), [b'a', b'b|c|d'])
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b = self.type2test(b'a b c d')
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self.assertEqual(b.split(maxsplit=1), [b'a', b'b c d'])
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def test_split_whitespace(self):
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for b in (b' arf barf ', b'arf\tbarf', b'arf\nbarf', b'arf\rbarf',
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b'arf\fbarf', b'arf\vbarf'):
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b = self.type2test(b)
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self.assertEqual(b.split(), [b'arf', b'barf'])
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self.assertEqual(b.split(None), [b'arf', b'barf'])
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self.assertEqual(b.split(None, 2), [b'arf', b'barf'])
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for b in (b'a\x1Cb', b'a\x1Db', b'a\x1Eb', b'a\x1Fb'):
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b = self.type2test(b)
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self.assertEqual(b.split(), [b])
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self.assertEqual(self.type2test(b' a bb c ').split(None, 0), [b'a bb c '])
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self.assertEqual(self.type2test(b' a bb c ').split(None, 1), [b'a', b'bb c '])
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self.assertEqual(self.type2test(b' a bb c ').split(None, 2), [b'a', b'bb', b'c '])
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self.assertEqual(self.type2test(b' a bb c ').split(None, 3), [b'a', b'bb', b'c'])
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def test_split_string_error(self):
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self.assertRaises(TypeError, self.type2test(b'a b').split, ' ')
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def test_split_unicodewhitespace(self):
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for b in (b'a\x1Cb', b'a\x1Db', b'a\x1Eb', b'a\x1Fb'):
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b = self.type2test(b)
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self.assertEqual(b.split(), [b])
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b = self.type2test(b"\x09\x0A\x0B\x0C\x0D\x1C\x1D\x1E\x1F")
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self.assertEqual(b.split(), [b'\x1c\x1d\x1e\x1f'])
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def test_rsplit(self):
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b = self.type2test(b'mississippi')
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self.assertEqual(b.rsplit(b'i'), [b'm', b'ss', b'ss', b'pp', b''])
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self.assertEqual(b.rsplit(b'ss'), [b'mi', b'i', b'ippi'])
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self.assertEqual(b.rsplit(b'w'), [b])
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# with keyword args
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b = self.type2test(b'a|b|c|d')
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self.assertEqual(b.rsplit(sep=b'|'), [b'a', b'b', b'c', b'd'])
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self.assertEqual(b.rsplit(b'|', maxsplit=1), [b'a|b|c', b'd'])
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self.assertEqual(b.rsplit(sep=b'|', maxsplit=1), [b'a|b|c', b'd'])
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self.assertEqual(b.rsplit(maxsplit=1, sep=b'|'), [b'a|b|c', b'd'])
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b = self.type2test(b'a b c d')
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self.assertEqual(b.rsplit(maxsplit=1), [b'a b c', b'd'])
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def test_rsplit_whitespace(self):
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for b in (b' arf barf ', b'arf\tbarf', b'arf\nbarf', b'arf\rbarf',
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b'arf\fbarf', b'arf\vbarf'):
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b = self.type2test(b)
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self.assertEqual(b.rsplit(), [b'arf', b'barf'])
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self.assertEqual(b.rsplit(None), [b'arf', b'barf'])
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self.assertEqual(b.rsplit(None, 2), [b'arf', b'barf'])
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self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 0), [b' a bb c'])
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self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 1), [b' a bb', b'c'])
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self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 2), [b' a', b'bb', b'c'])
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self.assertEqual(self.type2test(b' a bb c ').rsplit(None, 3), [b'a', b'bb', b'c'])
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def test_rsplit_string_error(self):
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self.assertRaises(TypeError, self.type2test(b'a b').rsplit, ' ')
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@ -601,37 +549,6 @@ def test_iterator_pickling(self):
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it = pickle.loads(d)
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self.assertEqual(list(it), data[1:])
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def test_strip(self):
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b = self.type2test(b'mississippi')
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self.assertEqual(b.strip(b'i'), b'mississipp')
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self.assertEqual(b.strip(b'm'), b'ississippi')
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self.assertEqual(b.strip(b'pi'), b'mississ')
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self.assertEqual(b.strip(b'im'), b'ssissipp')
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self.assertEqual(b.strip(b'pim'), b'ssiss')
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self.assertEqual(b.strip(b), b'')
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def test_lstrip(self):
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b = self.type2test(b'mississippi')
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self.assertEqual(b.lstrip(b'i'), b'mississippi')
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self.assertEqual(b.lstrip(b'm'), b'ississippi')
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self.assertEqual(b.lstrip(b'pi'), b'mississippi')
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self.assertEqual(b.lstrip(b'im'), b'ssissippi')
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self.assertEqual(b.lstrip(b'pim'), b'ssissippi')
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def test_rstrip(self):
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b = self.type2test(b'mississippi')
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self.assertEqual(b.rstrip(b'i'), b'mississipp')
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self.assertEqual(b.rstrip(b'm'), b'mississippi')
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self.assertEqual(b.rstrip(b'pi'), b'mississ')
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self.assertEqual(b.rstrip(b'im'), b'mississipp')
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self.assertEqual(b.rstrip(b'pim'), b'mississ')
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def test_strip_whitespace(self):
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b = self.type2test(b' \t\n\r\f\vabc \t\n\r\f\v')
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self.assertEqual(b.strip(), b'abc')
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self.assertEqual(b.lstrip(), b'abc \t\n\r\f\v')
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self.assertEqual(b.rstrip(), b' \t\n\r\f\vabc')
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def test_strip_bytearray(self):
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self.assertEqual(self.type2test(b'abc').strip(memoryview(b'ac')), b'b')
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self.assertEqual(self.type2test(b'abc').lstrip(memoryview(b'ac')), b'bc')
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@ -1470,7 +1387,7 @@ def bytes_warning():
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# XXX More string methods? (Those that don't use character properties)
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# There are tests in string_tests.py that are more
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# comprehensive for things like split, partition, etc.
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# comprehensive for things like partition, etc.
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# Unfortunately they are all bundled with tests that
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# are not appropriate for bytes
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@ -380,10 +380,6 @@ def test_maketrans_translate(self):
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def test_split(self):
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string_tests.CommonTest.test_split(self)
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# Mixed arguments
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self.checkequalnofix(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//')
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self.checkequalnofix(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//')
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self.checkequalnofix(['endcase ', ''], 'endcase test', 'split', 'test')
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# test mixed kinds
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for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
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left *= 9
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