| """ | 
 | Common tests shared by test_str, test_unicode, test_userstring and test_string. | 
 | """ | 
 |  | 
 | import unittest, string, sys, struct | 
 | from test import support | 
 | from collections import UserList | 
 |  | 
 | class Sequence: | 
 |     def __init__(self, seq='wxyz'): self.seq = seq | 
 |     def __len__(self): return len(self.seq) | 
 |     def __getitem__(self, i): return self.seq[i] | 
 |  | 
 | class BadSeq1(Sequence): | 
 |     def __init__(self): self.seq = [7, 'hello', 123] | 
 |     def __str__(self): return '{0} {1} {2}'.format(*self.seq) | 
 |  | 
 | class BadSeq2(Sequence): | 
 |     def __init__(self): self.seq = ['a', 'b', 'c'] | 
 |     def __len__(self): return 8 | 
 |  | 
 | class BaseTest(unittest.TestCase): | 
 |     # These tests are for buffers of values (bytes) and not | 
 |     # specific to character interpretation, used for bytes objects | 
 |     # and various string implementations | 
 |  | 
 |     # The type to be tested | 
 |     # Change in subclasses to change the behaviour of fixtesttype() | 
 |     type2test = None | 
 |  | 
 |     # All tests pass their arguments to the testing methods | 
 |     # as str objects. fixtesttype() can be used to propagate | 
 |     # these arguments to the appropriate type | 
 |     def fixtype(self, obj): | 
 |         if isinstance(obj, str): | 
 |             return self.__class__.type2test(obj) | 
 |         elif isinstance(obj, list): | 
 |             return [self.fixtype(x) for x in obj] | 
 |         elif isinstance(obj, tuple): | 
 |             return tuple([self.fixtype(x) for x in obj]) | 
 |         elif isinstance(obj, dict): | 
 |             return dict([ | 
 |                (self.fixtype(key), self.fixtype(value)) | 
 |                for (key, value) in obj.items() | 
 |             ]) | 
 |         else: | 
 |             return obj | 
 |  | 
 |     # check that obj.method(*args) returns result | 
 |     def checkequal(self, result, obj, methodname, *args): | 
 |         result = self.fixtype(result) | 
 |         obj = self.fixtype(obj) | 
 |         args = self.fixtype(args) | 
 |         realresult = getattr(obj, methodname)(*args) | 
 |         self.assertEqual( | 
 |             result, | 
 |             realresult | 
 |         ) | 
 |         # if the original is returned make sure that | 
 |         # this doesn't happen with subclasses | 
 |         if obj is realresult: | 
 |             try: | 
 |                 class subtype(self.__class__.type2test): | 
 |                     pass | 
 |             except TypeError: | 
 |                 pass  # Skip this if we can't subclass | 
 |             else: | 
 |                 obj = subtype(obj) | 
 |                 realresult = getattr(obj, methodname)(*args) | 
 |                 self.assertIsNot(obj, realresult) | 
 |  | 
 |     # check that obj.method(*args) raises exc | 
 |     def checkraises(self, exc, obj, methodname, *args): | 
 |         obj = self.fixtype(obj) | 
 |         args = self.fixtype(args) | 
 |         self.assertRaises( | 
 |             exc, | 
 |             getattr(obj, methodname), | 
 |             *args | 
 |         ) | 
 |  | 
 |     # call obj.method(*args) without any checks | 
 |     def checkcall(self, obj, methodname, *args): | 
 |         obj = self.fixtype(obj) | 
 |         args = self.fixtype(args) | 
 |         getattr(obj, methodname)(*args) | 
 |  | 
 |     def test_count(self): | 
 |         self.checkequal(3, 'aaa', 'count', 'a') | 
 |         self.checkequal(0, 'aaa', 'count', 'b') | 
 |         self.checkequal(3, 'aaa', 'count', 'a') | 
 |         self.checkequal(0, 'aaa', 'count', 'b') | 
 |         self.checkequal(3, 'aaa', 'count', 'a') | 
 |         self.checkequal(0, 'aaa', 'count', 'b') | 
 |         self.checkequal(0, 'aaa', 'count', 'b') | 
 |         self.checkequal(2, 'aaa', 'count', 'a', 1) | 
 |         self.checkequal(0, 'aaa', 'count', 'a', 10) | 
 |         self.checkequal(1, 'aaa', 'count', 'a', -1) | 
 |         self.checkequal(3, 'aaa', 'count', 'a', -10) | 
 |         self.checkequal(1, 'aaa', 'count', 'a', 0, 1) | 
 |         self.checkequal(3, 'aaa', 'count', 'a', 0, 10) | 
 |         self.checkequal(2, 'aaa', 'count', 'a', 0, -1) | 
 |         self.checkequal(0, 'aaa', 'count', 'a', 0, -10) | 
 |         self.checkequal(3, 'aaa', 'count', '', 1) | 
 |         self.checkequal(1, 'aaa', 'count', '', 3) | 
 |         self.checkequal(0, 'aaa', 'count', '', 10) | 
 |         self.checkequal(2, 'aaa', 'count', '', -1) | 
 |         self.checkequal(4, 'aaa', 'count', '', -10) | 
 |  | 
 |         self.checkequal(1, '', 'count', '') | 
 |         self.checkequal(0, '', 'count', '', 1, 1) | 
 |         self.checkequal(0, '', 'count', '', sys.maxsize, 0) | 
 |  | 
 |         self.checkequal(0, '', 'count', 'xx') | 
 |         self.checkequal(0, '', 'count', 'xx', 1, 1) | 
 |         self.checkequal(0, '', 'count', 'xx', sys.maxsize, 0) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'count') | 
 |         self.checkraises(TypeError, 'hello', 'count', 42) | 
 |  | 
 |         # For a variety of combinations, | 
 |         #    verify that str.count() matches an equivalent function | 
 |         #    replacing all occurrences and then differencing the string lengths | 
 |         charset = ['', 'a', 'b'] | 
 |         digits = 7 | 
 |         base = len(charset) | 
 |         teststrings = set() | 
 |         for i in range(base ** digits): | 
 |             entry = [] | 
 |             for j in range(digits): | 
 |                 i, m = divmod(i, base) | 
 |                 entry.append(charset[m]) | 
 |             teststrings.add(''.join(entry)) | 
 |         teststrings = [self.fixtype(ts) for ts in teststrings] | 
 |         for i in teststrings: | 
 |             n = len(i) | 
 |             for j in teststrings: | 
 |                 r1 = i.count(j) | 
 |                 if j: | 
 |                     r2, rem = divmod(n - len(i.replace(j, self.fixtype(''))), | 
 |                                      len(j)) | 
 |                 else: | 
 |                     r2, rem = len(i)+1, 0 | 
 |                 if rem or r1 != r2: | 
 |                     self.assertEqual(rem, 0, '%s != 0 for %s' % (rem, i)) | 
 |                     self.assertEqual(r1, r2, '%s != %s for %s' % (r1, r2, i)) | 
 |  | 
 |     def test_find(self): | 
 |         self.checkequal(0, 'abcdefghiabc', 'find', 'abc') | 
 |         self.checkequal(9, 'abcdefghiabc', 'find', 'abc', 1) | 
 |         self.checkequal(-1, 'abcdefghiabc', 'find', 'def', 4) | 
 |  | 
 |         self.checkequal(0, 'abc', 'find', '', 0) | 
 |         self.checkequal(3, 'abc', 'find', '', 3) | 
 |         self.checkequal(-1, 'abc', 'find', '', 4) | 
 |  | 
 |         # to check the ability to pass None as defaults | 
 |         self.checkequal( 2, 'rrarrrrrrrrra', 'find', 'a') | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'find', 'a', 4) | 
 |         self.checkequal(-1, 'rrarrrrrrrrra', 'find', 'a', 4, 6) | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'find', 'a', 4, None) | 
 |         self.checkequal( 2, 'rrarrrrrrrrra', 'find', 'a', None, 6) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'find') | 
 |         self.checkraises(TypeError, 'hello', 'find', 42) | 
 |  | 
 |         self.checkequal(0, '', 'find', '') | 
 |         self.checkequal(-1, '', 'find', '', 1, 1) | 
 |         self.checkequal(-1, '', 'find', '', sys.maxsize, 0) | 
 |  | 
 |         self.checkequal(-1, '', 'find', 'xx') | 
 |         self.checkequal(-1, '', 'find', 'xx', 1, 1) | 
 |         self.checkequal(-1, '', 'find', 'xx', sys.maxsize, 0) | 
 |  | 
 |         # issue 7458 | 
 |         self.checkequal(-1, 'ab', 'find', 'xxx', sys.maxsize + 1, 0) | 
 |  | 
 |         # For a variety of combinations, | 
 |         #    verify that str.find() matches __contains__ | 
 |         #    and that the found substring is really at that location | 
 |         charset = ['', 'a', 'b', 'c'] | 
 |         digits = 5 | 
 |         base = len(charset) | 
 |         teststrings = set() | 
 |         for i in range(base ** digits): | 
 |             entry = [] | 
 |             for j in range(digits): | 
 |                 i, m = divmod(i, base) | 
 |                 entry.append(charset[m]) | 
 |             teststrings.add(''.join(entry)) | 
 |         teststrings = [self.fixtype(ts) for ts in teststrings] | 
 |         for i in teststrings: | 
 |             for j in teststrings: | 
 |                 loc = i.find(j) | 
 |                 r1 = (loc != -1) | 
 |                 r2 = j in i | 
 |                 self.assertEqual(r1, r2) | 
 |                 if loc != -1: | 
 |                     self.assertEqual(i[loc:loc+len(j)], j) | 
 |  | 
 |     def test_rfind(self): | 
 |         self.checkequal(9,  'abcdefghiabc', 'rfind', 'abc') | 
 |         self.checkequal(12, 'abcdefghiabc', 'rfind', '') | 
 |         self.checkequal(0, 'abcdefghiabc', 'rfind', 'abcd') | 
 |         self.checkequal(-1, 'abcdefghiabc', 'rfind', 'abcz') | 
 |  | 
 |         self.checkequal(3, 'abc', 'rfind', '', 0) | 
 |         self.checkequal(3, 'abc', 'rfind', '', 3) | 
 |         self.checkequal(-1, 'abc', 'rfind', '', 4) | 
 |  | 
 |         # to check the ability to pass None as defaults | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'rfind', 'a') | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'rfind', 'a', 4) | 
 |         self.checkequal(-1, 'rrarrrrrrrrra', 'rfind', 'a', 4, 6) | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'rfind', 'a', 4, None) | 
 |         self.checkequal( 2, 'rrarrrrrrrrra', 'rfind', 'a', None, 6) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'rfind') | 
 |         self.checkraises(TypeError, 'hello', 'rfind', 42) | 
 |  | 
 |         # For a variety of combinations, | 
 |         #    verify that str.rfind() matches __contains__ | 
 |         #    and that the found substring is really at that location | 
 |         charset = ['', 'a', 'b', 'c'] | 
 |         digits = 5 | 
 |         base = len(charset) | 
 |         teststrings = set() | 
 |         for i in range(base ** digits): | 
 |             entry = [] | 
 |             for j in range(digits): | 
 |                 i, m = divmod(i, base) | 
 |                 entry.append(charset[m]) | 
 |             teststrings.add(''.join(entry)) | 
 |         teststrings = [self.fixtype(ts) for ts in teststrings] | 
 |         for i in teststrings: | 
 |             for j in teststrings: | 
 |                 loc = i.rfind(j) | 
 |                 r1 = (loc != -1) | 
 |                 r2 = j in i | 
 |                 self.assertEqual(r1, r2) | 
 |                 if loc != -1: | 
 |                     self.assertEqual(i[loc:loc+len(j)], j) | 
 |  | 
 |         # issue 7458 | 
 |         self.checkequal(-1, 'ab', 'rfind', 'xxx', sys.maxsize + 1, 0) | 
 |  | 
 |     def test_index(self): | 
 |         self.checkequal(0, 'abcdefghiabc', 'index', '') | 
 |         self.checkequal(3, 'abcdefghiabc', 'index', 'def') | 
 |         self.checkequal(0, 'abcdefghiabc', 'index', 'abc') | 
 |         self.checkequal(9, 'abcdefghiabc', 'index', 'abc', 1) | 
 |  | 
 |         self.checkraises(ValueError, 'abcdefghiabc', 'index', 'hib') | 
 |         self.checkraises(ValueError, 'abcdefghiab', 'index', 'abc', 1) | 
 |         self.checkraises(ValueError, 'abcdefghi', 'index', 'ghi', 8) | 
 |         self.checkraises(ValueError, 'abcdefghi', 'index', 'ghi', -1) | 
 |  | 
 |         # to check the ability to pass None as defaults | 
 |         self.checkequal( 2, 'rrarrrrrrrrra', 'index', 'a') | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'index', 'a', 4) | 
 |         self.checkraises(ValueError, 'rrarrrrrrrrra', 'index', 'a', 4, 6) | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'index', 'a', 4, None) | 
 |         self.checkequal( 2, 'rrarrrrrrrrra', 'index', 'a', None, 6) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'index') | 
 |         self.checkraises(TypeError, 'hello', 'index', 42) | 
 |  | 
 |     def test_rindex(self): | 
 |         self.checkequal(12, 'abcdefghiabc', 'rindex', '') | 
 |         self.checkequal(3,  'abcdefghiabc', 'rindex', 'def') | 
 |         self.checkequal(9,  'abcdefghiabc', 'rindex', 'abc') | 
 |         self.checkequal(0,  'abcdefghiabc', 'rindex', 'abc', 0, -1) | 
 |  | 
 |         self.checkraises(ValueError, 'abcdefghiabc', 'rindex', 'hib') | 
 |         self.checkraises(ValueError, 'defghiabc', 'rindex', 'def', 1) | 
 |         self.checkraises(ValueError, 'defghiabc', 'rindex', 'abc', 0, -1) | 
 |         self.checkraises(ValueError, 'abcdefghi', 'rindex', 'ghi', 0, 8) | 
 |         self.checkraises(ValueError, 'abcdefghi', 'rindex', 'ghi', 0, -1) | 
 |  | 
 |         # to check the ability to pass None as defaults | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'rindex', 'a') | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'rindex', 'a', 4) | 
 |         self.checkraises(ValueError, 'rrarrrrrrrrra', 'rindex', 'a', 4, 6) | 
 |         self.checkequal(12, 'rrarrrrrrrrra', 'rindex', 'a', 4, None) | 
 |         self.checkequal( 2, 'rrarrrrrrrrra', 'rindex', 'a', None, 6) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'rindex') | 
 |         self.checkraises(TypeError, 'hello', 'rindex', 42) | 
 |  | 
 |     def test_lower(self): | 
 |         self.checkequal('hello', 'HeLLo', 'lower') | 
 |         self.checkequal('hello', 'hello', 'lower') | 
 |         self.checkraises(TypeError, 'hello', 'lower', 42) | 
 |  | 
 |     def test_upper(self): | 
 |         self.checkequal('HELLO', 'HeLLo', 'upper') | 
 |         self.checkequal('HELLO', 'HELLO', 'upper') | 
 |         self.checkraises(TypeError, 'hello', 'upper', 42) | 
 |  | 
 |     def test_expandtabs(self): | 
 |         self.checkequal('abc\rab      def\ng       hi', 'abc\rab\tdef\ng\thi', 'expandtabs') | 
 |         self.checkequal('abc\rab      def\ng       hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 8) | 
 |         self.checkequal('abc\rab  def\ng   hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 4) | 
 |         self.checkequal('abc\r\nab  def\ng   hi', 'abc\r\nab\tdef\ng\thi', 'expandtabs', 4) | 
 |         self.checkequal('abc\rab      def\ng       hi', 'abc\rab\tdef\ng\thi', 'expandtabs') | 
 |         self.checkequal('abc\rab      def\ng       hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 8) | 
 |         self.checkequal('abc\r\nab\r\ndef\ng\r\nhi', 'abc\r\nab\r\ndef\ng\r\nhi', 'expandtabs', 4) | 
 |         self.checkequal('  a\n b', ' \ta\n\tb', 'expandtabs', 1) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'expandtabs', 42, 42) | 
 |         # This test is only valid when sizeof(int) == sizeof(void*) == 4. | 
 |         if sys.maxsize < (1 << 32) and struct.calcsize('P') == 4: | 
 |             self.checkraises(OverflowError, | 
 |                              '\ta\n\tb', 'expandtabs', sys.maxsize) | 
 |  | 
 |     def test_split(self): | 
 |         # by a char | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|') | 
 |         self.checkequal(['a|b|c|d'], 'a|b|c|d', 'split', '|', 0) | 
 |         self.checkequal(['a', 'b|c|d'], 'a|b|c|d', 'split', '|', 1) | 
 |         self.checkequal(['a', 'b', 'c|d'], 'a|b|c|d', 'split', '|', 2) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|', 3) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|', 4) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|', | 
 |                         sys.maxsize-2) | 
 |         self.checkequal(['a|b|c|d'], 'a|b|c|d', 'split', '|', 0) | 
 |         self.checkequal(['a', '', 'b||c||d'], 'a||b||c||d', 'split', '|', 2) | 
 |         self.checkequal(['endcase ', ''], 'endcase |', 'split', '|') | 
 |         self.checkequal(['', ' startcase'], '| startcase', 'split', '|') | 
 |         self.checkequal(['', 'bothcase', ''], '|bothcase|', 'split', '|') | 
 |         self.checkequal(['a', '', 'b\x00c\x00d'], 'a\x00\x00b\x00c\x00d', 'split', '\x00', 2) | 
 |  | 
 |         self.checkequal(['a']*20, ('a|'*20)[:-1], 'split', '|') | 
 |         self.checkequal(['a']*15 +['a|a|a|a|a'], | 
 |                                    ('a|'*20)[:-1], 'split', '|', 15) | 
 |  | 
 |         # by string | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//') | 
 |         self.checkequal(['a', 'b//c//d'], 'a//b//c//d', 'split', '//', 1) | 
 |         self.checkequal(['a', 'b', 'c//d'], 'a//b//c//d', 'split', '//', 2) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//', 3) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//', 4) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//', | 
 |                         sys.maxsize-10) | 
 |         self.checkequal(['a//b//c//d'], 'a//b//c//d', 'split', '//', 0) | 
 |         self.checkequal(['a', '', 'b////c////d'], 'a////b////c////d', 'split', '//', 2) | 
 |         self.checkequal(['endcase ', ''], 'endcase test', 'split', 'test') | 
 |         self.checkequal(['', ' begincase'], 'test begincase', 'split', 'test') | 
 |         self.checkequal(['', ' bothcase ', ''], 'test bothcase test', | 
 |                         'split', 'test') | 
 |         self.checkequal(['a', 'bc'], 'abbbc', 'split', 'bb') | 
 |         self.checkequal(['', ''], 'aaa', 'split', 'aaa') | 
 |         self.checkequal(['aaa'], 'aaa', 'split', 'aaa', 0) | 
 |         self.checkequal(['ab', 'ab'], 'abbaab', 'split', 'ba') | 
 |         self.checkequal(['aaaa'], 'aaaa', 'split', 'aab') | 
 |         self.checkequal([''], '', 'split', 'aaa') | 
 |         self.checkequal(['aa'], 'aa', 'split', 'aaa') | 
 |         self.checkequal(['A', 'bobb'], 'Abbobbbobb', 'split', 'bbobb') | 
 |         self.checkequal(['A', 'B', ''], 'AbbobbBbbobb', 'split', 'bbobb') | 
 |  | 
 |         self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'split', 'BLAH') | 
 |         self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'split', 'BLAH', 19) | 
 |         self.checkequal(['a']*18 + ['aBLAHa'], ('aBLAH'*20)[:-4], | 
 |                         'split', 'BLAH', 18) | 
 |  | 
 |         # argument type | 
 |         self.checkraises(TypeError, 'hello', 'split', 42, 42, 42) | 
 |  | 
 |         # null case | 
 |         self.checkraises(ValueError, 'hello', 'split', '') | 
 |         self.checkraises(ValueError, 'hello', 'split', '', 0) | 
 |  | 
 |     def test_rsplit(self): | 
 |         # by a char | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|') | 
 |         self.checkequal(['a|b|c', 'd'], 'a|b|c|d', 'rsplit', '|', 1) | 
 |         self.checkequal(['a|b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|', 2) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|', 3) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|', 4) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|', | 
 |                         sys.maxsize-100) | 
 |         self.checkequal(['a|b|c|d'], 'a|b|c|d', 'rsplit', '|', 0) | 
 |         self.checkequal(['a||b||c', '', 'd'], 'a||b||c||d', 'rsplit', '|', 2) | 
 |         self.checkequal(['', ' begincase'], '| begincase', 'rsplit', '|') | 
 |         self.checkequal(['endcase ', ''], 'endcase |', 'rsplit', '|') | 
 |         self.checkequal(['', 'bothcase', ''], '|bothcase|', 'rsplit', '|') | 
 |  | 
 |         self.checkequal(['a\x00\x00b', 'c', 'd'], 'a\x00\x00b\x00c\x00d', 'rsplit', '\x00', 2) | 
 |  | 
 |         self.checkequal(['a']*20, ('a|'*20)[:-1], 'rsplit', '|') | 
 |         self.checkequal(['a|a|a|a|a']+['a']*15, | 
 |                         ('a|'*20)[:-1], 'rsplit', '|', 15) | 
 |  | 
 |         # by string | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//') | 
 |         self.checkequal(['a//b//c', 'd'], 'a//b//c//d', 'rsplit', '//', 1) | 
 |         self.checkequal(['a//b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//', 2) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//', 3) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//', 4) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//', | 
 |                         sys.maxsize-5) | 
 |         self.checkequal(['a//b//c//d'], 'a//b//c//d', 'rsplit', '//', 0) | 
 |         self.checkequal(['a////b////c', '', 'd'], 'a////b////c////d', 'rsplit', '//', 2) | 
 |         self.checkequal(['', ' begincase'], 'test begincase', 'rsplit', 'test') | 
 |         self.checkequal(['endcase ', ''], 'endcase test', 'rsplit', 'test') | 
 |         self.checkequal(['', ' bothcase ', ''], 'test bothcase test', | 
 |                         'rsplit', 'test') | 
 |         self.checkequal(['ab', 'c'], 'abbbc', 'rsplit', 'bb') | 
 |         self.checkequal(['', ''], 'aaa', 'rsplit', 'aaa') | 
 |         self.checkequal(['aaa'], 'aaa', 'rsplit', 'aaa', 0) | 
 |         self.checkequal(['ab', 'ab'], 'abbaab', 'rsplit', 'ba') | 
 |         self.checkequal(['aaaa'], 'aaaa', 'rsplit', 'aab') | 
 |         self.checkequal([''], '', 'rsplit', 'aaa') | 
 |         self.checkequal(['aa'], 'aa', 'rsplit', 'aaa') | 
 |         self.checkequal(['bbob', 'A'], 'bbobbbobbA', 'rsplit', 'bbobb') | 
 |         self.checkequal(['', 'B', 'A'], 'bbobbBbbobbA', 'rsplit', 'bbobb') | 
 |  | 
 |         self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'rsplit', 'BLAH') | 
 |         self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'rsplit', 'BLAH', 19) | 
 |         self.checkequal(['aBLAHa'] + ['a']*18, ('aBLAH'*20)[:-4], | 
 |                         'rsplit', 'BLAH', 18) | 
 |  | 
 |         # argument type | 
 |         self.checkraises(TypeError, 'hello', 'rsplit', 42, 42, 42) | 
 |  | 
 |         # null case | 
 |         self.checkraises(ValueError, 'hello', 'rsplit', '') | 
 |         self.checkraises(ValueError, 'hello', 'rsplit', '', 0) | 
 |  | 
 |     def test_replace(self): | 
 |         EQ = self.checkequal | 
 |  | 
 |         # Operations on the empty string | 
 |         EQ("", "", "replace", "", "") | 
 |         EQ("A", "", "replace", "", "A") | 
 |         EQ("", "", "replace", "A", "") | 
 |         EQ("", "", "replace", "A", "A") | 
 |         EQ("", "", "replace", "", "", 100) | 
 |         EQ("", "", "replace", "", "", sys.maxsize) | 
 |  | 
 |         # interleave (from=="", 'to' gets inserted everywhere) | 
 |         EQ("A", "A", "replace", "", "") | 
 |         EQ("*A*", "A", "replace", "", "*") | 
 |         EQ("*1A*1", "A", "replace", "", "*1") | 
 |         EQ("*-#A*-#", "A", "replace", "", "*-#") | 
 |         EQ("*-A*-A*-", "AA", "replace", "", "*-") | 
 |         EQ("*-A*-A*-", "AA", "replace", "", "*-", -1) | 
 |         EQ("*-A*-A*-", "AA", "replace", "", "*-", sys.maxsize) | 
 |         EQ("*-A*-A*-", "AA", "replace", "", "*-", 4) | 
 |         EQ("*-A*-A*-", "AA", "replace", "", "*-", 3) | 
 |         EQ("*-A*-A", "AA", "replace", "", "*-", 2) | 
 |         EQ("*-AA", "AA", "replace", "", "*-", 1) | 
 |         EQ("AA", "AA", "replace", "", "*-", 0) | 
 |  | 
 |         # single character deletion (from=="A", to=="") | 
 |         EQ("", "A", "replace", "A", "") | 
 |         EQ("", "AAA", "replace", "A", "") | 
 |         EQ("", "AAA", "replace", "A", "", -1) | 
 |         EQ("", "AAA", "replace", "A", "", sys.maxsize) | 
 |         EQ("", "AAA", "replace", "A", "", 4) | 
 |         EQ("", "AAA", "replace", "A", "", 3) | 
 |         EQ("A", "AAA", "replace", "A", "", 2) | 
 |         EQ("AA", "AAA", "replace", "A", "", 1) | 
 |         EQ("AAA", "AAA", "replace", "A", "", 0) | 
 |         EQ("", "AAAAAAAAAA", "replace", "A", "") | 
 |         EQ("BCD", "ABACADA", "replace", "A", "") | 
 |         EQ("BCD", "ABACADA", "replace", "A", "", -1) | 
 |         EQ("BCD", "ABACADA", "replace", "A", "", sys.maxsize) | 
 |         EQ("BCD", "ABACADA", "replace", "A", "", 5) | 
 |         EQ("BCD", "ABACADA", "replace", "A", "", 4) | 
 |         EQ("BCDA", "ABACADA", "replace", "A", "", 3) | 
 |         EQ("BCADA", "ABACADA", "replace", "A", "", 2) | 
 |         EQ("BACADA", "ABACADA", "replace", "A", "", 1) | 
 |         EQ("ABACADA", "ABACADA", "replace", "A", "", 0) | 
 |         EQ("BCD", "ABCAD", "replace", "A", "") | 
 |         EQ("BCD", "ABCADAA", "replace", "A", "") | 
 |         EQ("BCD", "BCD", "replace", "A", "") | 
 |         EQ("*************", "*************", "replace", "A", "") | 
 |         EQ("^A^", "^"+"A"*1000+"^", "replace", "A", "", 999) | 
 |  | 
 |         # substring deletion (from=="the", to=="") | 
 |         EQ("", "the", "replace", "the", "") | 
 |         EQ("ater", "theater", "replace", "the", "") | 
 |         EQ("", "thethe", "replace", "the", "") | 
 |         EQ("", "thethethethe", "replace", "the", "") | 
 |         EQ("aaaa", "theatheatheathea", "replace", "the", "") | 
 |         EQ("that", "that", "replace", "the", "") | 
 |         EQ("thaet", "thaet", "replace", "the", "") | 
 |         EQ("here and re", "here and there", "replace", "the", "") | 
 |         EQ("here and re and re", "here and there and there", | 
 |            "replace", "the", "", sys.maxsize) | 
 |         EQ("here and re and re", "here and there and there", | 
 |            "replace", "the", "", -1) | 
 |         EQ("here and re and re", "here and there and there", | 
 |            "replace", "the", "", 3) | 
 |         EQ("here and re and re", "here and there and there", | 
 |            "replace", "the", "", 2) | 
 |         EQ("here and re and there", "here and there and there", | 
 |            "replace", "the", "", 1) | 
 |         EQ("here and there and there", "here and there and there", | 
 |            "replace", "the", "", 0) | 
 |         EQ("here and re and re", "here and there and there", "replace", "the", "") | 
 |  | 
 |         EQ("abc", "abc", "replace", "the", "") | 
 |         EQ("abcdefg", "abcdefg", "replace", "the", "") | 
 |  | 
 |         # substring deletion (from=="bob", to=="") | 
 |         EQ("bob", "bbobob", "replace", "bob", "") | 
 |         EQ("bobXbob", "bbobobXbbobob", "replace", "bob", "") | 
 |         EQ("aaaaaaa", "aaaaaaabob", "replace", "bob", "") | 
 |         EQ("aaaaaaa", "aaaaaaa", "replace", "bob", "") | 
 |  | 
 |         # single character replace in place (len(from)==len(to)==1) | 
 |         EQ("Who goes there?", "Who goes there?", "replace", "o", "o") | 
 |         EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O") | 
 |         EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", sys.maxsize) | 
 |         EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", -1) | 
 |         EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", 3) | 
 |         EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", 2) | 
 |         EQ("WhO goes there?", "Who goes there?", "replace", "o", "O", 1) | 
 |         EQ("Who goes there?", "Who goes there?", "replace", "o", "O", 0) | 
 |  | 
 |         EQ("Who goes there?", "Who goes there?", "replace", "a", "q") | 
 |         EQ("who goes there?", "Who goes there?", "replace", "W", "w") | 
 |         EQ("wwho goes there?ww", "WWho goes there?WW", "replace", "W", "w") | 
 |         EQ("Who goes there!", "Who goes there?", "replace", "?", "!") | 
 |         EQ("Who goes there!!", "Who goes there??", "replace", "?", "!") | 
 |  | 
 |         EQ("Who goes there?", "Who goes there?", "replace", ".", "!") | 
 |  | 
 |         # substring replace in place (len(from)==len(to) > 1) | 
 |         EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**") | 
 |         EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", sys.maxsize) | 
 |         EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", -1) | 
 |         EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", 4) | 
 |         EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", 3) | 
 |         EQ("Th** ** a tissue", "This is a tissue", "replace", "is", "**", 2) | 
 |         EQ("Th** is a tissue", "This is a tissue", "replace", "is", "**", 1) | 
 |         EQ("This is a tissue", "This is a tissue", "replace", "is", "**", 0) | 
 |         EQ("cobob", "bobob", "replace", "bob", "cob") | 
 |         EQ("cobobXcobocob", "bobobXbobobob", "replace", "bob", "cob") | 
 |         EQ("bobob", "bobob", "replace", "bot", "bot") | 
 |  | 
 |         # replace single character (len(from)==1, len(to)>1) | 
 |         EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK") | 
 |         EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", -1) | 
 |         EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", sys.maxsize) | 
 |         EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", 2) | 
 |         EQ("ReyKKjavik", "Reykjavik", "replace", "k", "KK", 1) | 
 |         EQ("Reykjavik", "Reykjavik", "replace", "k", "KK", 0) | 
 |         EQ("A----B----C----", "A.B.C.", "replace", ".", "----") | 
 |  | 
 |         EQ("Reykjavik", "Reykjavik", "replace", "q", "KK") | 
 |  | 
 |         # replace substring (len(from)>1, len(to)!=len(from)) | 
 |         EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", | 
 |            "replace", "spam", "ham") | 
 |         EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", | 
 |            "replace", "spam", "ham", sys.maxsize) | 
 |         EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", | 
 |            "replace", "spam", "ham", -1) | 
 |         EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", | 
 |            "replace", "spam", "ham", 4) | 
 |         EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", | 
 |            "replace", "spam", "ham", 3) | 
 |         EQ("ham, ham, eggs and spam", "spam, spam, eggs and spam", | 
 |            "replace", "spam", "ham", 2) | 
 |         EQ("ham, spam, eggs and spam", "spam, spam, eggs and spam", | 
 |            "replace", "spam", "ham", 1) | 
 |         EQ("spam, spam, eggs and spam", "spam, spam, eggs and spam", | 
 |            "replace", "spam", "ham", 0) | 
 |  | 
 |         EQ("bobob", "bobobob", "replace", "bobob", "bob") | 
 |         EQ("bobobXbobob", "bobobobXbobobob", "replace", "bobob", "bob") | 
 |         EQ("BOBOBOB", "BOBOBOB", "replace", "bob", "bobby") | 
 |  | 
 |         # XXX Commented out. Is there any reason to support buffer objects | 
 |         # as arguments for str.replace()?  GvR | 
 | ##         ba = bytearray('a') | 
 | ##         bb = bytearray('b') | 
 | ##         EQ("bbc", "abc", "replace", ba, bb) | 
 | ##         EQ("aac", "abc", "replace", bb, ba) | 
 |  | 
 |         # | 
 |         self.checkequal('one@two!three!', 'one!two!three!', 'replace', '!', '@', 1) | 
 |         self.checkequal('onetwothree', 'one!two!three!', 'replace', '!', '') | 
 |         self.checkequal('one@two@three!', 'one!two!three!', 'replace', '!', '@', 2) | 
 |         self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@', 3) | 
 |         self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@', 4) | 
 |         self.checkequal('one!two!three!', 'one!two!three!', 'replace', '!', '@', 0) | 
 |         self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@') | 
 |         self.checkequal('one!two!three!', 'one!two!three!', 'replace', 'x', '@') | 
 |         self.checkequal('one!two!three!', 'one!two!three!', 'replace', 'x', '@', 2) | 
 |         self.checkequal('-a-b-c-', 'abc', 'replace', '', '-') | 
 |         self.checkequal('-a-b-c', 'abc', 'replace', '', '-', 3) | 
 |         self.checkequal('abc', 'abc', 'replace', '', '-', 0) | 
 |         self.checkequal('', '', 'replace', '', '') | 
 |         self.checkequal('abc', 'abc', 'replace', 'ab', '--', 0) | 
 |         self.checkequal('abc', 'abc', 'replace', 'xy', '--') | 
 |         # Next three for SF bug 422088: [OSF1 alpha] string.replace(); died with | 
 |         # MemoryError due to empty result (platform malloc issue when requesting | 
 |         # 0 bytes). | 
 |         self.checkequal('', '123', 'replace', '123', '') | 
 |         self.checkequal('', '123123', 'replace', '123', '') | 
 |         self.checkequal('x', '123x123', 'replace', '123', '') | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'replace') | 
 |         self.checkraises(TypeError, 'hello', 'replace', 42) | 
 |         self.checkraises(TypeError, 'hello', 'replace', 42, 'h') | 
 |         self.checkraises(TypeError, 'hello', 'replace', 'h', 42) | 
 |  | 
 |     def test_replace_overflow(self): | 
 |         # Check for overflow checking on 32 bit machines | 
 |         if sys.maxsize != 2147483647 or struct.calcsize("P") > 4: | 
 |             return | 
 |         A2_16 = "A" * (2**16) | 
 |         self.checkraises(OverflowError, A2_16, "replace", "", A2_16) | 
 |         self.checkraises(OverflowError, A2_16, "replace", "A", A2_16) | 
 |         self.checkraises(OverflowError, A2_16, "replace", "AA", A2_16+A2_16) | 
 |  | 
 |  | 
 |  | 
 | class CommonTest(BaseTest): | 
 |     # This testcase contains test that can be used in all | 
 |     # stringlike classes. Currently this is str, unicode | 
 |     # UserString and the string module. | 
 |  | 
 |     def test_hash(self): | 
 |         # SF bug 1054139:  += optimization was not invalidating cached hash value | 
 |         a = self.type2test('DNSSEC') | 
 |         b = self.type2test('') | 
 |         for c in a: | 
 |             b += c | 
 |             hash(b) | 
 |         self.assertEqual(hash(a), hash(b)) | 
 |  | 
 |     def test_capitalize(self): | 
 |         self.checkequal(' hello ', ' hello ', 'capitalize') | 
 |         self.checkequal('Hello ', 'Hello ','capitalize') | 
 |         self.checkequal('Hello ', 'hello ','capitalize') | 
 |         self.checkequal('Aaaa', 'aaaa', 'capitalize') | 
 |         self.checkequal('Aaaa', 'AaAa', 'capitalize') | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'capitalize', 42) | 
 |  | 
 |     def test_lower(self): | 
 |         self.checkequal('hello', 'HeLLo', 'lower') | 
 |         self.checkequal('hello', 'hello', 'lower') | 
 |         self.checkraises(TypeError, 'hello', 'lower', 42) | 
 |  | 
 |     def test_upper(self): | 
 |         self.checkequal('HELLO', 'HeLLo', 'upper') | 
 |         self.checkequal('HELLO', 'HELLO', 'upper') | 
 |         self.checkraises(TypeError, 'hello', 'upper', 42) | 
 |  | 
 |     def test_expandtabs(self): | 
 |         self.checkequal('abc\rab      def\ng       hi', 'abc\rab\tdef\ng\thi', 'expandtabs') | 
 |         self.checkequal('abc\rab      def\ng       hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 8) | 
 |         self.checkequal('abc\rab  def\ng   hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 4) | 
 |         self.checkequal('abc\r\nab  def\ng   hi', 'abc\r\nab\tdef\ng\thi', 'expandtabs', 4) | 
 |         self.checkequal('abc\rab      def\ng       hi', 'abc\rab\tdef\ng\thi', 'expandtabs') | 
 |         self.checkequal('abc\rab      def\ng       hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 8) | 
 |         self.checkequal('abc\r\nab\r\ndef\ng\r\nhi', 'abc\r\nab\r\ndef\ng\r\nhi', 'expandtabs', 4) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'expandtabs', 42, 42) | 
 |  | 
 |     def test_additional_split(self): | 
 |         self.checkequal(['this', 'is', 'the', 'split', 'function'], | 
 |             'this is the split function', 'split') | 
 |  | 
 |         # by whitespace | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a b c d ', 'split') | 
 |         self.checkequal(['a', 'b c d'], 'a b c d', 'split', None, 1) | 
 |         self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', None, 2) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, 3) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, 4) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, | 
 |                         sys.maxsize-1) | 
 |         self.checkequal(['a b c d'], 'a b c d', 'split', None, 0) | 
 |         self.checkequal(['a b c d'], '  a b c d', 'split', None, 0) | 
 |         self.checkequal(['a', 'b', 'c  d'], 'a  b  c  d', 'split', None, 2) | 
 |  | 
 |         self.checkequal([], '         ', 'split') | 
 |         self.checkequal(['a'], '  a    ', 'split') | 
 |         self.checkequal(['a', 'b'], '  a    b   ', 'split') | 
 |         self.checkequal(['a', 'b   '], '  a    b   ', 'split', None, 1) | 
 |         self.checkequal(['a', 'b   c   '], '  a    b   c   ', 'split', None, 1) | 
 |         self.checkequal(['a', 'b', 'c   '], '  a    b   c   ', 'split', None, 2) | 
 |         self.checkequal(['a', 'b'], '\n\ta \t\r b \v ', 'split') | 
 |         aaa = ' a '*20 | 
 |         self.checkequal(['a']*20, aaa, 'split') | 
 |         self.checkequal(['a'] + [aaa[4:]], aaa, 'split', None, 1) | 
 |         self.checkequal(['a']*19 + ['a '], aaa, 'split', None, 19) | 
 |  | 
 |         # mixed use of str and unicode | 
 |         self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', ' ', 2) | 
 |  | 
 |     def test_additional_rsplit(self): | 
 |         self.checkequal(['this', 'is', 'the', 'rsplit', 'function'], | 
 |                          'this is the rsplit function', 'rsplit') | 
 |  | 
 |         # by whitespace | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a b c d ', 'rsplit') | 
 |         self.checkequal(['a b c', 'd'], 'a b c d', 'rsplit', None, 1) | 
 |         self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', None, 2) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', None, 3) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', None, 4) | 
 |         self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', None, | 
 |                         sys.maxsize-20) | 
 |         self.checkequal(['a b c d'], 'a b c d', 'rsplit', None, 0) | 
 |         self.checkequal(['a b c d'], 'a b c d  ', 'rsplit', None, 0) | 
 |         self.checkequal(['a  b', 'c', 'd'], 'a  b  c  d', 'rsplit', None, 2) | 
 |  | 
 |         self.checkequal([], '         ', 'rsplit') | 
 |         self.checkequal(['a'], '  a    ', 'rsplit') | 
 |         self.checkequal(['a', 'b'], '  a    b   ', 'rsplit') | 
 |         self.checkequal(['  a', 'b'], '  a    b   ', 'rsplit', None, 1) | 
 |         self.checkequal(['  a    b','c'], '  a    b   c   ', 'rsplit', | 
 |                         None, 1) | 
 |         self.checkequal(['  a', 'b', 'c'], '  a    b   c   ', 'rsplit', | 
 |                         None, 2) | 
 |         self.checkequal(['a', 'b'], '\n\ta \t\r b \v ', 'rsplit', None, 88) | 
 |         aaa = ' a '*20 | 
 |         self.checkequal(['a']*20, aaa, 'rsplit') | 
 |         self.checkequal([aaa[:-4]] + ['a'], aaa, 'rsplit', None, 1) | 
 |         self.checkequal([' a  a'] + ['a']*18, aaa, 'rsplit', None, 18) | 
 |  | 
 |         # mixed use of str and unicode | 
 |         self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', ' ', 2) | 
 |  | 
 |     def test_strip(self): | 
 |         self.checkequal('hello', '   hello   ', 'strip') | 
 |         self.checkequal('hello   ', '   hello   ', 'lstrip') | 
 |         self.checkequal('   hello', '   hello   ', 'rstrip') | 
 |         self.checkequal('hello', 'hello', 'strip') | 
 |  | 
 |         # strip/lstrip/rstrip with None arg | 
 |         self.checkequal('hello', '   hello   ', 'strip', None) | 
 |         self.checkequal('hello   ', '   hello   ', 'lstrip', None) | 
 |         self.checkequal('   hello', '   hello   ', 'rstrip', None) | 
 |         self.checkequal('hello', 'hello', 'strip', None) | 
 |  | 
 |         # strip/lstrip/rstrip with str arg | 
 |         self.checkequal('hello', 'xyzzyhelloxyzzy', 'strip', 'xyz') | 
 |         self.checkequal('helloxyzzy', 'xyzzyhelloxyzzy', 'lstrip', 'xyz') | 
 |         self.checkequal('xyzzyhello', 'xyzzyhelloxyzzy', 'rstrip', 'xyz') | 
 |         self.checkequal('hello', 'hello', 'strip', 'xyz') | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'strip', 42, 42) | 
 |         self.checkraises(TypeError, 'hello', 'lstrip', 42, 42) | 
 |         self.checkraises(TypeError, 'hello', 'rstrip', 42, 42) | 
 |  | 
 |     def test_ljust(self): | 
 |         self.checkequal('abc       ', 'abc', 'ljust', 10) | 
 |         self.checkequal('abc   ', 'abc', 'ljust', 6) | 
 |         self.checkequal('abc', 'abc', 'ljust', 3) | 
 |         self.checkequal('abc', 'abc', 'ljust', 2) | 
 |         self.checkequal('abc*******', 'abc', 'ljust', 10, '*') | 
 |         self.checkraises(TypeError, 'abc', 'ljust') | 
 |  | 
 |     def test_rjust(self): | 
 |         self.checkequal('       abc', 'abc', 'rjust', 10) | 
 |         self.checkequal('   abc', 'abc', 'rjust', 6) | 
 |         self.checkequal('abc', 'abc', 'rjust', 3) | 
 |         self.checkequal('abc', 'abc', 'rjust', 2) | 
 |         self.checkequal('*******abc', 'abc', 'rjust', 10, '*') | 
 |         self.checkraises(TypeError, 'abc', 'rjust') | 
 |  | 
 |     def test_center(self): | 
 |         self.checkequal('   abc    ', 'abc', 'center', 10) | 
 |         self.checkequal(' abc  ', 'abc', 'center', 6) | 
 |         self.checkequal('abc', 'abc', 'center', 3) | 
 |         self.checkequal('abc', 'abc', 'center', 2) | 
 |         self.checkequal('***abc****', 'abc', 'center', 10, '*') | 
 |         self.checkraises(TypeError, 'abc', 'center') | 
 |  | 
 |     def test_swapcase(self): | 
 |         self.checkequal('hEllO CoMPuTErS', 'HeLLo cOmpUteRs', 'swapcase') | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'swapcase', 42) | 
 |  | 
 |     def test_zfill(self): | 
 |         self.checkequal('123', '123', 'zfill', 2) | 
 |         self.checkequal('123', '123', 'zfill', 3) | 
 |         self.checkequal('0123', '123', 'zfill', 4) | 
 |         self.checkequal('+123', '+123', 'zfill', 3) | 
 |         self.checkequal('+123', '+123', 'zfill', 4) | 
 |         self.checkequal('+0123', '+123', 'zfill', 5) | 
 |         self.checkequal('-123', '-123', 'zfill', 3) | 
 |         self.checkequal('-123', '-123', 'zfill', 4) | 
 |         self.checkequal('-0123', '-123', 'zfill', 5) | 
 |         self.checkequal('000', '', 'zfill', 3) | 
 |         self.checkequal('34', '34', 'zfill', 1) | 
 |         self.checkequal('0034', '34', 'zfill', 4) | 
 |  | 
 |         self.checkraises(TypeError, '123', 'zfill') | 
 |  | 
 | class MixinStrUnicodeUserStringTest: | 
 |     # additional tests that only work for | 
 |     # stringlike objects, i.e. str, unicode, UserString | 
 |     # (but not the string module) | 
 |  | 
 |     def test_islower(self): | 
 |         self.checkequal(False, '', 'islower') | 
 |         self.checkequal(True, 'a', 'islower') | 
 |         self.checkequal(False, 'A', 'islower') | 
 |         self.checkequal(False, '\n', 'islower') | 
 |         self.checkequal(True, 'abc', 'islower') | 
 |         self.checkequal(False, 'aBc', 'islower') | 
 |         self.checkequal(True, 'abc\n', 'islower') | 
 |         self.checkraises(TypeError, 'abc', 'islower', 42) | 
 |  | 
 |     def test_isupper(self): | 
 |         self.checkequal(False, '', 'isupper') | 
 |         self.checkequal(False, 'a', 'isupper') | 
 |         self.checkequal(True, 'A', 'isupper') | 
 |         self.checkequal(False, '\n', 'isupper') | 
 |         self.checkequal(True, 'ABC', 'isupper') | 
 |         self.checkequal(False, 'AbC', 'isupper') | 
 |         self.checkequal(True, 'ABC\n', 'isupper') | 
 |         self.checkraises(TypeError, 'abc', 'isupper', 42) | 
 |  | 
 |     def test_istitle(self): | 
 |         self.checkequal(False, '', 'istitle') | 
 |         self.checkequal(False, 'a', 'istitle') | 
 |         self.checkequal(True, 'A', 'istitle') | 
 |         self.checkequal(False, '\n', 'istitle') | 
 |         self.checkequal(True, 'A Titlecased Line', 'istitle') | 
 |         self.checkequal(True, 'A\nTitlecased Line', 'istitle') | 
 |         self.checkequal(True, 'A Titlecased, Line', 'istitle') | 
 |         self.checkequal(False, 'Not a capitalized String', 'istitle') | 
 |         self.checkequal(False, 'Not\ta Titlecase String', 'istitle') | 
 |         self.checkequal(False, 'Not--a Titlecase String', 'istitle') | 
 |         self.checkequal(False, 'NOT', 'istitle') | 
 |         self.checkraises(TypeError, 'abc', 'istitle', 42) | 
 |  | 
 |     def test_isspace(self): | 
 |         self.checkequal(False, '', 'isspace') | 
 |         self.checkequal(False, 'a', 'isspace') | 
 |         self.checkequal(True, ' ', 'isspace') | 
 |         self.checkequal(True, '\t', 'isspace') | 
 |         self.checkequal(True, '\r', 'isspace') | 
 |         self.checkequal(True, '\n', 'isspace') | 
 |         self.checkequal(True, ' \t\r\n', 'isspace') | 
 |         self.checkequal(False, ' \t\r\na', 'isspace') | 
 |         self.checkraises(TypeError, 'abc', 'isspace', 42) | 
 |  | 
 |     def test_isalpha(self): | 
 |         self.checkequal(False, '', 'isalpha') | 
 |         self.checkequal(True, 'a', 'isalpha') | 
 |         self.checkequal(True, 'A', 'isalpha') | 
 |         self.checkequal(False, '\n', 'isalpha') | 
 |         self.checkequal(True, 'abc', 'isalpha') | 
 |         self.checkequal(False, 'aBc123', 'isalpha') | 
 |         self.checkequal(False, 'abc\n', 'isalpha') | 
 |         self.checkraises(TypeError, 'abc', 'isalpha', 42) | 
 |  | 
 |     def test_isalnum(self): | 
 |         self.checkequal(False, '', 'isalnum') | 
 |         self.checkequal(True, 'a', 'isalnum') | 
 |         self.checkequal(True, 'A', 'isalnum') | 
 |         self.checkequal(False, '\n', 'isalnum') | 
 |         self.checkequal(True, '123abc456', 'isalnum') | 
 |         self.checkequal(True, 'a1b3c', 'isalnum') | 
 |         self.checkequal(False, 'aBc000 ', 'isalnum') | 
 |         self.checkequal(False, 'abc\n', 'isalnum') | 
 |         self.checkraises(TypeError, 'abc', 'isalnum', 42) | 
 |  | 
 |     def test_isdigit(self): | 
 |         self.checkequal(False, '', 'isdigit') | 
 |         self.checkequal(False, 'a', 'isdigit') | 
 |         self.checkequal(True, '0', 'isdigit') | 
 |         self.checkequal(True, '0123456789', 'isdigit') | 
 |         self.checkequal(False, '0123456789a', 'isdigit') | 
 |  | 
 |         self.checkraises(TypeError, 'abc', 'isdigit', 42) | 
 |  | 
 |     def test_title(self): | 
 |         self.checkequal(' Hello ', ' hello ', 'title') | 
 |         self.checkequal('Hello ', 'hello ', 'title') | 
 |         self.checkequal('Hello ', 'Hello ', 'title') | 
 |         self.checkequal('Format This As Title String', "fOrMaT thIs aS titLe String", 'title') | 
 |         self.checkequal('Format,This-As*Title;String', "fOrMaT,thIs-aS*titLe;String", 'title', ) | 
 |         self.checkequal('Getint', "getInt", 'title') | 
 |         self.checkraises(TypeError, 'hello', 'title', 42) | 
 |  | 
 |     def test_splitlines(self): | 
 |         self.checkequal(['abc', 'def', '', 'ghi'], "abc\ndef\n\rghi", 'splitlines') | 
 |         self.checkequal(['abc', 'def', '', 'ghi'], "abc\ndef\n\r\nghi", 'splitlines') | 
 |         self.checkequal(['abc', 'def', 'ghi'], "abc\ndef\r\nghi", 'splitlines') | 
 |         self.checkequal(['abc', 'def', 'ghi'], "abc\ndef\r\nghi\n", 'splitlines') | 
 |         self.checkequal(['abc', 'def', 'ghi', ''], "abc\ndef\r\nghi\n\r", 'splitlines') | 
 |         self.checkequal(['', 'abc', 'def', 'ghi', ''], "\nabc\ndef\r\nghi\n\r", 'splitlines') | 
 |         self.checkequal(['\n', 'abc\n', 'def\r\n', 'ghi\n', '\r'], "\nabc\ndef\r\nghi\n\r", 'splitlines', 1) | 
 |  | 
 |         self.checkraises(TypeError, 'abc', 'splitlines', 42, 42) | 
 |  | 
 |     def test_startswith(self): | 
 |         self.checkequal(True, 'hello', 'startswith', 'he') | 
 |         self.checkequal(True, 'hello', 'startswith', 'hello') | 
 |         self.checkequal(False, 'hello', 'startswith', 'hello world') | 
 |         self.checkequal(True, 'hello', 'startswith', '') | 
 |         self.checkequal(False, 'hello', 'startswith', 'ello') | 
 |         self.checkequal(True, 'hello', 'startswith', 'ello', 1) | 
 |         self.checkequal(True, 'hello', 'startswith', 'o', 4) | 
 |         self.checkequal(False, 'hello', 'startswith', 'o', 5) | 
 |         self.checkequal(True, 'hello', 'startswith', '', 5) | 
 |         self.checkequal(False, 'hello', 'startswith', 'lo', 6) | 
 |         self.checkequal(True, 'helloworld', 'startswith', 'lowo', 3) | 
 |         self.checkequal(True, 'helloworld', 'startswith', 'lowo', 3, 7) | 
 |         self.checkequal(False, 'helloworld', 'startswith', 'lowo', 3, 6) | 
 |  | 
 |         # test negative indices | 
 |         self.checkequal(True, 'hello', 'startswith', 'he', 0, -1) | 
 |         self.checkequal(True, 'hello', 'startswith', 'he', -53, -1) | 
 |         self.checkequal(False, 'hello', 'startswith', 'hello', 0, -1) | 
 |         self.checkequal(False, 'hello', 'startswith', 'hello world', -1, -10) | 
 |         self.checkequal(False, 'hello', 'startswith', 'ello', -5) | 
 |         self.checkequal(True, 'hello', 'startswith', 'ello', -4) | 
 |         self.checkequal(False, 'hello', 'startswith', 'o', -2) | 
 |         self.checkequal(True, 'hello', 'startswith', 'o', -1) | 
 |         self.checkequal(True, 'hello', 'startswith', '', -3, -3) | 
 |         self.checkequal(False, 'hello', 'startswith', 'lo', -9) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'startswith') | 
 |         self.checkraises(TypeError, 'hello', 'startswith', 42) | 
 |  | 
 |         # test tuple arguments | 
 |         self.checkequal(True, 'hello', 'startswith', ('he', 'ha')) | 
 |         self.checkequal(False, 'hello', 'startswith', ('lo', 'llo')) | 
 |         self.checkequal(True, 'hello', 'startswith', ('hellox', 'hello')) | 
 |         self.checkequal(False, 'hello', 'startswith', ()) | 
 |         self.checkequal(True, 'helloworld', 'startswith', ('hellowo', | 
 |                                                            'rld', 'lowo'), 3) | 
 |         self.checkequal(False, 'helloworld', 'startswith', ('hellowo', 'ello', | 
 |                                                             'rld'), 3) | 
 |         self.checkequal(True, 'hello', 'startswith', ('lo', 'he'), 0, -1) | 
 |         self.checkequal(False, 'hello', 'startswith', ('he', 'hel'), 0, 1) | 
 |         self.checkequal(True, 'hello', 'startswith', ('he', 'hel'), 0, 2) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'startswith', (42,)) | 
 |  | 
 |     def test_endswith(self): | 
 |         self.checkequal(True, 'hello', 'endswith', 'lo') | 
 |         self.checkequal(False, 'hello', 'endswith', 'he') | 
 |         self.checkequal(True, 'hello', 'endswith', '') | 
 |         self.checkequal(False, 'hello', 'endswith', 'hello world') | 
 |         self.checkequal(False, 'helloworld', 'endswith', 'worl') | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'worl', 3, 9) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'world', 3, 12) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'lowo', 1, 7) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'lowo', 2, 7) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'lowo', 3, 7) | 
 |         self.checkequal(False, 'helloworld', 'endswith', 'lowo', 4, 7) | 
 |         self.checkequal(False, 'helloworld', 'endswith', 'lowo', 3, 8) | 
 |         self.checkequal(False, 'ab', 'endswith', 'ab', 0, 1) | 
 |         self.checkequal(False, 'ab', 'endswith', 'ab', 0, 0) | 
 |  | 
 |         # test negative indices | 
 |         self.checkequal(True, 'hello', 'endswith', 'lo', -2) | 
 |         self.checkequal(False, 'hello', 'endswith', 'he', -2) | 
 |         self.checkequal(True, 'hello', 'endswith', '', -3, -3) | 
 |         self.checkequal(False, 'hello', 'endswith', 'hello world', -10, -2) | 
 |         self.checkequal(False, 'helloworld', 'endswith', 'worl', -6) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'worl', -5, -1) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'worl', -5, 9) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'world', -7, 12) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'lowo', -99, -3) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'lowo', -8, -3) | 
 |         self.checkequal(True, 'helloworld', 'endswith', 'lowo', -7, -3) | 
 |         self.checkequal(False, 'helloworld', 'endswith', 'lowo', 3, -4) | 
 |         self.checkequal(False, 'helloworld', 'endswith', 'lowo', -8, -2) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'endswith') | 
 |         self.checkraises(TypeError, 'hello', 'endswith', 42) | 
 |  | 
 |         # test tuple arguments | 
 |         self.checkequal(False, 'hello', 'endswith', ('he', 'ha')) | 
 |         self.checkequal(True, 'hello', 'endswith', ('lo', 'llo')) | 
 |         self.checkequal(True, 'hello', 'endswith', ('hellox', 'hello')) | 
 |         self.checkequal(False, 'hello', 'endswith', ()) | 
 |         self.checkequal(True, 'helloworld', 'endswith', ('hellowo', | 
 |                                                            'rld', 'lowo'), 3) | 
 |         self.checkequal(False, 'helloworld', 'endswith', ('hellowo', 'ello', | 
 |                                                             'rld'), 3, -1) | 
 |         self.checkequal(True, 'hello', 'endswith', ('hell', 'ell'), 0, -1) | 
 |         self.checkequal(False, 'hello', 'endswith', ('he', 'hel'), 0, 1) | 
 |         self.checkequal(True, 'hello', 'endswith', ('he', 'hell'), 0, 4) | 
 |  | 
 |         self.checkraises(TypeError, 'hello', 'endswith', (42,)) | 
 |  | 
 |     def test___contains__(self): | 
 |         self.checkequal(True, '', '__contains__', '') | 
 |         self.checkequal(True, 'abc', '__contains__', '') | 
 |         self.checkequal(False, 'abc', '__contains__', '\0') | 
 |         self.checkequal(True, '\0abc', '__contains__', '\0') | 
 |         self.checkequal(True, 'abc\0', '__contains__', '\0') | 
 |         self.checkequal(True, '\0abc', '__contains__', 'a') | 
 |         self.checkequal(True, 'asdf', '__contains__', 'asdf') | 
 |         self.checkequal(False, 'asd', '__contains__', 'asdf') | 
 |         self.checkequal(False, '', '__contains__', 'asdf') | 
 |  | 
 |     def test_subscript(self): | 
 |         self.checkequal('a', 'abc', '__getitem__', 0) | 
 |         self.checkequal('c', 'abc', '__getitem__', -1) | 
 |         self.checkequal('a', 'abc', '__getitem__', 0) | 
 |         self.checkequal('abc', 'abc', '__getitem__', slice(0, 3)) | 
 |         self.checkequal('abc', 'abc', '__getitem__', slice(0, 1000)) | 
 |         self.checkequal('a', 'abc', '__getitem__', slice(0, 1)) | 
 |         self.checkequal('', 'abc', '__getitem__', slice(0, 0)) | 
 |  | 
 |         self.checkraises(TypeError, 'abc', '__getitem__', 'def') | 
 |  | 
 |     def test_slice(self): | 
 |         self.checkequal('abc', 'abc', '__getitem__', slice(0, 1000)) | 
 |         self.checkequal('abc', 'abc', '__getitem__', slice(0, 3)) | 
 |         self.checkequal('ab', 'abc', '__getitem__', slice(0, 2)) | 
 |         self.checkequal('bc', 'abc', '__getitem__', slice(1, 3)) | 
 |         self.checkequal('b', 'abc', '__getitem__', slice(1, 2)) | 
 |         self.checkequal('', 'abc', '__getitem__', slice(2, 2)) | 
 |         self.checkequal('', 'abc', '__getitem__', slice(1000, 1000)) | 
 |         self.checkequal('', 'abc', '__getitem__', slice(2000, 1000)) | 
 |         self.checkequal('', 'abc', '__getitem__', slice(2, 1)) | 
 |  | 
 |         self.checkraises(TypeError, 'abc', '__getitem__', 'def') | 
 |  | 
 |     def test_extended_getslice(self): | 
 |         # Test extended slicing by comparing with list slicing. | 
 |         s = string.ascii_letters + string.digits | 
 |         indices = (0, None, 1, 3, 41, -1, -2, -37) | 
 |         for start in indices: | 
 |             for stop in indices: | 
 |                 # Skip step 0 (invalid) | 
 |                 for step in indices[1:]: | 
 |                     L = list(s)[start:stop:step] | 
 |                     self.checkequal("".join(L), s, '__getitem__', | 
 |                                     slice(start, stop, step)) | 
 |  | 
 |     def test_mul(self): | 
 |         self.checkequal('', 'abc', '__mul__', -1) | 
 |         self.checkequal('', 'abc', '__mul__', 0) | 
 |         self.checkequal('abc', 'abc', '__mul__', 1) | 
 |         self.checkequal('abcabcabc', 'abc', '__mul__', 3) | 
 |         self.checkraises(TypeError, 'abc', '__mul__') | 
 |         self.checkraises(TypeError, 'abc', '__mul__', '') | 
 |         # XXX: on a 64-bit system, this doesn't raise an overflow error, | 
 |         # but either raises a MemoryError, or succeeds (if you have 54TiB) | 
 |         #self.checkraises(OverflowError, 10000*'abc', '__mul__', 2000000000) | 
 |  | 
 |     def test_join(self): | 
 |         # join now works with any sequence type | 
 |         # moved here, because the argument order is | 
 |         # different in string.join (see the test in | 
 |         # test.test_string.StringTest.test_join) | 
 |         self.checkequal('a b c d', ' ', 'join', ['a', 'b', 'c', 'd']) | 
 |         self.checkequal('abcd', '', 'join', ('a', 'b', 'c', 'd')) | 
 |         self.checkequal('bd', '', 'join', ('', 'b', '', 'd')) | 
 |         self.checkequal('ac', '', 'join', ('a', '', 'c', '')) | 
 |         self.checkequal('w x y z', ' ', 'join', Sequence()) | 
 |         self.checkequal('abc', 'a', 'join', ('abc',)) | 
 |         self.checkequal('z', 'a', 'join', UserList(['z'])) | 
 |         self.checkequal('a.b.c', '.', 'join', ['a', 'b', 'c']) | 
 |         self.assertRaises(TypeError, '.'.join, ['a', 'b', 3]) | 
 |         for i in [5, 25, 125]: | 
 |             self.checkequal(((('a' * i) + '-') * i)[:-1], '-', 'join', | 
 |                  ['a' * i] * i) | 
 |             self.checkequal(((('a' * i) + '-') * i)[:-1], '-', 'join', | 
 |                  ('a' * i,) * i) | 
 |  | 
 |         #self.checkequal(str(BadSeq1()), ' ', 'join', BadSeq1()) | 
 |         self.checkequal('a b c', ' ', 'join', BadSeq2()) | 
 |  | 
 |         self.checkraises(TypeError, ' ', 'join') | 
 |         self.checkraises(TypeError, ' ', 'join', 7) | 
 |         self.checkraises(TypeError, ' ', 'join', [1, 2, bytes()]) | 
 |         try: | 
 |             def f(): | 
 |                 yield 4 + "" | 
 |             self.fixtype(' ').join(f()) | 
 |         except TypeError as e: | 
 |             if '+' not in str(e): | 
 |                 self.fail('join() ate exception message') | 
 |         else: | 
 |             self.fail('exception not raised') | 
 |  | 
 |     def test_formatting(self): | 
 |         self.checkequal('+hello+', '+%s+', '__mod__', 'hello') | 
 |         self.checkequal('+10+', '+%d+', '__mod__', 10) | 
 |         self.checkequal('a', "%c", '__mod__', "a") | 
 |         self.checkequal('a', "%c", '__mod__', "a") | 
 |         self.checkequal('"', "%c", '__mod__', 34) | 
 |         self.checkequal('$', "%c", '__mod__', 36) | 
 |         self.checkequal('10', "%d", '__mod__', 10) | 
 |         self.checkequal('\x7f', "%c", '__mod__', 0x7f) | 
 |  | 
 |         for ordinal in (-100, 0x200000): | 
 |             # unicode raises ValueError, str raises OverflowError | 
 |             self.checkraises((ValueError, OverflowError), '%c', '__mod__', ordinal) | 
 |  | 
 |         longvalue = sys.maxsize + 10 | 
 |         slongvalue = str(longvalue) | 
 |         self.checkequal(' 42', '%3ld', '__mod__', 42) | 
 |         self.checkequal('42', '%d', '__mod__', 42.0) | 
 |         self.checkequal(slongvalue, '%d', '__mod__', longvalue) | 
 |         self.checkcall('%d', '__mod__', float(longvalue)) | 
 |         self.checkequal('0042.00', '%07.2f', '__mod__', 42) | 
 |         self.checkequal('0042.00', '%07.2F', '__mod__', 42) | 
 |  | 
 |         self.checkraises(TypeError, 'abc', '__mod__') | 
 |         self.checkraises(TypeError, '%(foo)s', '__mod__', 42) | 
 |         self.checkraises(TypeError, '%s%s', '__mod__', (42,)) | 
 |         self.checkraises(TypeError, '%c', '__mod__', (None,)) | 
 |         self.checkraises(ValueError, '%(foo', '__mod__', {}) | 
 |         self.checkraises(TypeError, '%(foo)s %(bar)s', '__mod__', ('foo', 42)) | 
 |         self.checkraises(TypeError, '%d', '__mod__', "42") # not numeric | 
 |         self.checkraises(TypeError, '%d', '__mod__', (42+0j)) # no int conversion provided | 
 |  | 
 |         # argument names with properly nested brackets are supported | 
 |         self.checkequal('bar', '%((foo))s', '__mod__', {'(foo)': 'bar'}) | 
 |  | 
 |         # 100 is a magic number in PyUnicode_Format, this forces a resize | 
 |         self.checkequal(103*'a'+'x', '%sx', '__mod__', 103*'a') | 
 |  | 
 |         self.checkraises(TypeError, '%*s', '__mod__', ('foo', 'bar')) | 
 |         self.checkraises(TypeError, '%10.*f', '__mod__', ('foo', 42.)) | 
 |         self.checkraises(ValueError, '%10', '__mod__', (42,)) | 
 |  | 
 |     def test_floatformatting(self): | 
 |         # float formatting | 
 |         for prec in range(100): | 
 |             format = '%%.%if' % prec | 
 |             value = 0.01 | 
 |             for x in range(60): | 
 |                 value = value * 3.14159265359 / 3.0 * 10.0 | 
 |                 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') | 
 |  | 
 |     def test_partition(self): | 
 |  | 
 |         self.checkequal(('this is the par', 'ti', 'tion method'), | 
 |             'this is the partition method', 'partition', 'ti') | 
 |  | 
 |         # from raymond's original specification | 
 |         S = 'http://www.python.org' | 
 |         self.checkequal(('http', '://', 'www.python.org'), S, 'partition', '://') | 
 |         self.checkequal(('http://www.python.org', '', ''), S, 'partition', '?') | 
 |         self.checkequal(('', 'http://', 'www.python.org'), S, 'partition', 'http://') | 
 |         self.checkequal(('http://www.python.', 'org', ''), S, 'partition', 'org') | 
 |  | 
 |         self.checkraises(ValueError, S, 'partition', '') | 
 |         self.checkraises(TypeError, S, 'partition', None) | 
 |  | 
 |     def test_rpartition(self): | 
 |  | 
 |         self.checkequal(('this is the rparti', 'ti', 'on method'), | 
 |             'this is the rpartition method', 'rpartition', 'ti') | 
 |  | 
 |         # from raymond's original specification | 
 |         S = 'http://www.python.org' | 
 |         self.checkequal(('http', '://', 'www.python.org'), S, 'rpartition', '://') | 
 |         self.checkequal(('', '', 'http://www.python.org'), S, 'rpartition', '?') | 
 |         self.checkequal(('', 'http://', 'www.python.org'), S, 'rpartition', 'http://') | 
 |         self.checkequal(('http://www.python.', 'org', ''), S, 'rpartition', 'org') | 
 |  | 
 |         self.checkraises(ValueError, S, 'rpartition', '') | 
 |         self.checkraises(TypeError, S, 'rpartition', None) | 
 |  | 
 |     def test_none_arguments(self): | 
 |         # issue 11828 | 
 |         s = 'hello' | 
 |         self.checkequal(2, s, 'find', 'l', None) | 
 |         self.checkequal(3, s, 'find', 'l', -2, None) | 
 |         self.checkequal(2, s, 'find', 'l', None, -2) | 
 |         self.checkequal(0, s, 'find', 'h', None, None) | 
 |  | 
 |         self.checkequal(3, s, 'rfind', 'l', None) | 
 |         self.checkequal(3, s, 'rfind', 'l', -2, None) | 
 |         self.checkequal(2, s, 'rfind', 'l', None, -2) | 
 |         self.checkequal(0, s, 'rfind', 'h', None, None) | 
 |  | 
 |         self.checkequal(2, s, 'index', 'l', None) | 
 |         self.checkequal(3, s, 'index', 'l', -2, None) | 
 |         self.checkequal(2, s, 'index', 'l', None, -2) | 
 |         self.checkequal(0, s, 'index', 'h', None, None) | 
 |  | 
 |         self.checkequal(3, s, 'rindex', 'l', None) | 
 |         self.checkequal(3, s, 'rindex', 'l', -2, None) | 
 |         self.checkequal(2, s, 'rindex', 'l', None, -2) | 
 |         self.checkequal(0, s, 'rindex', 'h', None, None) | 
 |  | 
 |         self.checkequal(2, s, 'count', 'l', None) | 
 |         self.checkequal(1, s, 'count', 'l', -2, None) | 
 |         self.checkequal(1, s, 'count', 'l', None, -2) | 
 |         self.checkequal(0, s, 'count', 'x', None, None) | 
 |  | 
 |         self.checkequal(True, s, 'endswith', 'o', None) | 
 |         self.checkequal(True, s, 'endswith', 'lo', -2, None) | 
 |         self.checkequal(True, s, 'endswith', 'l', None, -2) | 
 |         self.checkequal(False, s, 'endswith', 'x', None, None) | 
 |  | 
 |         self.checkequal(True, s, 'startswith', 'h', None) | 
 |         self.checkequal(True, s, 'startswith', 'l', -2, None) | 
 |         self.checkequal(True, s, 'startswith', 'h', None, -2) | 
 |         self.checkequal(False, s, 'startswith', 'x', None, None) | 
 |  | 
 |     def test_find_etc_raise_correct_error_messages(self): | 
 |         # issue 11828 | 
 |         s = 'hello' | 
 |         x = 'x' | 
 |         self.assertRaisesRegex(TypeError, r'^find\(', s.find, | 
 |                                 x, None, None, None) | 
 |         self.assertRaisesRegex(TypeError, r'^rfind\(', s.rfind, | 
 |                                 x, None, None, None) | 
 |         self.assertRaisesRegex(TypeError, r'^index\(', s.index, | 
 |                                 x, None, None, None) | 
 |         self.assertRaisesRegex(TypeError, r'^rindex\(', s.rindex, | 
 |                                 x, None, None, None) | 
 |         self.assertRaisesRegex(TypeError, r'^count\(', s.count, | 
 |                                 x, None, None, None) | 
 |         self.assertRaisesRegex(TypeError, r'^startswith\(', s.startswith, | 
 |                                 x, None, None, None) | 
 |         self.assertRaisesRegex(TypeError, r'^endswith\(', s.endswith, | 
 |                                 x, None, None, None) | 
 |  | 
 |  | 
 | class MixinStrUnicodeTest: | 
 |     # Additional tests that only work with str and unicode. | 
 |  | 
 |     def test_bug1001011(self): | 
 |         # Make sure join returns a NEW object for single item sequences | 
 |         # involving a subclass. | 
 |         # Make sure that it is of the appropriate type. | 
 |         # Check the optimisation still occurs for standard objects. | 
 |         t = self.type2test | 
 |         class subclass(t): | 
 |             pass | 
 |         s1 = subclass("abcd") | 
 |         s2 = t().join([s1]) | 
 |         self.assertIsNot(s1, s2) | 
 |         self.assertIs(type(s2), t) | 
 |  | 
 |         s1 = t("abcd") | 
 |         s2 = t().join([s1]) | 
 |         self.assertIs(s1, s2) | 
 |  | 
 |         # Should also test mixed-type join. | 
 |         if t is str: | 
 |             s1 = subclass("abcd") | 
 |             s2 = "".join([s1]) | 
 |             self.assertIsNot(s1, s2) | 
 |             self.assertIs(type(s2), t) | 
 |  | 
 |             s1 = t("abcd") | 
 |             s2 = "".join([s1]) | 
 |             self.assertIs(s1, s2) | 
 |  | 
 | ##         elif t is str8: | 
 | ##             s1 = subclass("abcd") | 
 | ##             s2 = "".join([s1]) | 
 | ##             self.assertIsNot(s1, s2) | 
 | ##             self.assertIs(type(s2), str) # promotes! | 
 |  | 
 | ##             s1 = t("abcd") | 
 | ##             s2 = "".join([s1]) | 
 | ##             self.assertIsNot(s1, s2) | 
 | ##             self.assertIs(type(s2), str) # promotes! | 
 |  | 
 |         else: | 
 |             self.fail("unexpected type for MixinStrUnicodeTest %r" % t) |