| """ |
| 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: |
| # 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 |
| |
| # Whether the "contained items" of the container are integers in |
| # range(0, 256) (i.e. bytes, bytearray) or strings of length 1 |
| # (str) |
| contains_bytes = False |
| |
| # 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, **kwargs): |
| result = self.fixtype(result) |
| obj = self.fixtype(obj) |
| args = self.fixtype(args) |
| kwargs = {k: self.fixtype(v) for k,v in kwargs.items()} |
| realresult = getattr(obj, methodname)(*args, **kwargs) |
| 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') |
| |
| if self.contains_bytes: |
| self.checkequal(0, 'hello', 'count', 42) |
| else: |
| 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') |
| |
| if self.contains_bytes: |
| self.checkequal(-1, 'hello', 'find', 42) |
| else: |
| 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') |
| |
| if self.contains_bytes: |
| self.checkequal(-1, 'hello', 'rfind', 42) |
| else: |
| 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) |
| |
| # issue #15534 |
| self.checkequal(0, '<......\u043c...', "rfind", "<") |
| |
| 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') |
| |
| if self.contains_bytes: |
| self.checkraises(ValueError, 'hello', 'index', 42) |
| else: |
| 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') |
| |
| if self.contains_bytes: |
| self.checkraises(ValueError, 'hello', 'rindex', 42) |
| else: |
| 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) |
| |
| # with keyword args |
| self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', sep='|') |
| self.checkequal(['a', 'b|c|d'], |
| 'a|b|c|d', 'split', '|', maxsplit=1) |
| self.checkequal(['a', 'b|c|d'], |
| 'a|b|c|d', 'split', sep='|', maxsplit=1) |
| self.checkequal(['a', 'b|c|d'], |
| 'a|b|c|d', 'split', maxsplit=1, sep='|') |
| self.checkequal(['a', 'b c d'], |
| 'a b c d', 'split', maxsplit=1) |
| |
| # 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) |
| |
| # with keyword args |
| self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', sep='|') |
| self.checkequal(['a|b|c', 'd'], |
| 'a|b|c|d', 'rsplit', '|', maxsplit=1) |
| self.checkequal(['a|b|c', 'd'], |
| 'a|b|c|d', 'rsplit', sep='|', maxsplit=1) |
| self.checkequal(['a|b|c', 'd'], |
| 'a|b|c|d', 'rsplit', maxsplit=1, sep='|') |
| self.checkequal(['a b c', 'd'], |
| 'a b c d', 'rsplit', maxsplit=1) |
| |
| # 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", ".", "----") |
| # issue #15534 |
| EQ('...\u043c......<', '...\u043c......<', "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) |
| |
| @unittest.skipIf(sys.maxsize > (1 << 32) or struct.calcsize('P') != 4, |
| 'only applies to 32-bit platforms') |
| def test_replace_overflow(self): |
| # Check for overflow checking on 32 bit machines |
| 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') |
| |
| # check that titlecased chars are lowered correctly |
| # \u1ffc is the titlecased char |
| self.checkequal('\u03a9\u0399\u1ff3\u1ff3\u1ff3', |
| '\u1ff3\u1ff3\u1ffc\u1ffc', 'capitalize') |
| # check with cased non-letter chars |
| self.checkequal('\u24c5\u24e8\u24e3\u24d7\u24de\u24dd', |
| '\u24c5\u24ce\u24c9\u24bd\u24c4\u24c3', 'capitalize') |
| self.checkequal('\u24c5\u24e8\u24e3\u24d7\u24de\u24dd', |
| '\u24df\u24e8\u24e3\u24d7\u24de\u24dd', 'capitalize') |
| self.checkequal('\u2160\u2171\u2172', |
| '\u2160\u2161\u2162', 'capitalize') |
| self.checkequal('\u2160\u2171\u2172', |
| '\u2170\u2171\u2172', 'capitalize') |
| # check with Ll chars with no upper - nothing changes here |
| self.checkequal('\u019b\u1d00\u1d86\u0221\u1fb7', |
| '\u019b\u1d00\u1d86\u0221\u1fb7', 'capitalize') |
| |
| self.checkraises(TypeError, 'hello', 'capitalize', 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(['', 'abc', 'def', 'ghi', ''], |
| "\nabc\ndef\r\nghi\n\r", 'splitlines', False) |
| self.checkequal(['\n', 'abc\n', 'def\r\n', 'ghi\n', '\r'], |
| "\nabc\ndef\r\nghi\n\r", 'splitlines', True) |
| self.checkequal(['', 'abc', 'def', 'ghi', ''], "\nabc\ndef\r\nghi\n\r", |
| 'splitlines', keepends=False) |
| self.checkequal(['\n', 'abc\n', 'def\r\n', 'ghi\n', '\r'], |
| "\nabc\ndef\r\nghi\n\r", 'splitlines', keepends=True) |
| |
| 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,)) |
| |
| # Outrageously large width or precision should raise ValueError. |
| self.checkraises(ValueError, '%%%df' % (2**64), '__mod__', (3.2)) |
| self.checkraises(ValueError, '%%.%df' % (2**64), '__mod__', (3.2)) |
| self.checkraises(OverflowError, '%*s', '__mod__', |
| (sys.maxsize + 1, '')) |
| self.checkraises(OverflowError, '%.*f', '__mod__', |
| (sys.maxsize + 1, 1. / 7)) |
| |
| class X(object): pass |
| self.checkraises(TypeError, 'abc', '__mod__', X()) |
| |
| @support.cpython_only |
| def test_formatting_c_limits(self): |
| from _testcapi import PY_SSIZE_T_MAX, INT_MAX, UINT_MAX |
| SIZE_MAX = (1 << (PY_SSIZE_T_MAX.bit_length() + 1)) - 1 |
| self.checkraises(OverflowError, '%*s', '__mod__', |
| (PY_SSIZE_T_MAX + 1, '')) |
| self.checkraises(OverflowError, '%.*f', '__mod__', |
| (INT_MAX + 1, 1. / 7)) |
| # Issue 15989 |
| self.checkraises(OverflowError, '%*s', '__mod__', |
| (SIZE_MAX + 1, '')) |
| self.checkraises(OverflowError, '%.*f', '__mod__', |
| (UINT_MAX + 1, 1. / 7)) |
| |
| 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) |
| |
| # issue #15534 |
| self.checkequal(10, "...\u043c......<", "find", "<") |
| |
| |
| 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) |