| """ | |
| Common tests shared by test_unicode, test_userstring and test_bytes. | |
| """ | |
| import unittest, string, sys, struct | |
| from test import support | |
| from test.support import import_helper | |
| from collections import UserList | |
| import random | |
| 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 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 fixtype() | |
| 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. fixtype() 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 | |
| def test_fixtype(self): | |
| self.assertIs(type(self.fixtype("123")), self.type2test) | |
| # 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, expected_msg=None): | |
| obj = self.fixtype(obj) | |
| args = self.fixtype(args) | |
| with self.assertRaises(exc) as cm: | |
| getattr(obj, methodname)(*args) | |
| self.assertNotEqual(str(cm.exception), '') | |
| if expected_msg is not None: | |
| self.assertEqual(str(cm.exception), expected_msg) | |
| # 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 _get_teststrings(self, charset, digits): | |
| 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] | |
| return teststrings | |
| def test_add(self): | |
| s = self.fixtype('ab') | |
| self.assertEqual(s + self.fixtype(''), s) | |
| self.assertEqual(self.fixtype('') + s, s) | |
| self.assertEqual(s + self.fixtype('cd'), self.fixtype('abcd')) | |
| def test_mul(self): | |
| s = self.fixtype('ab') | |
| self.assertEqual(s*0, self.fixtype('')) | |
| self.assertEqual(0*s, self.fixtype('')) | |
| self.assertEqual(s*1, s) | |
| self.assertEqual(1*s, s) | |
| self.assertEqual(s*2, self.fixtype('abab')) | |
| self.assertEqual(2*s, self.fixtype('abab')) | |
| class subclass(self.type2test): | |
| pass | |
| s = subclass(self.fixtype('ab')) | |
| r = s*1 | |
| self.assertEqual(r, s) | |
| self.assertIsNot(r, s) | |
| def _assert_cmp(self, a, b, r): | |
| self.assertIs(a == b, r == 0) | |
| self.assertIs(a != b, r != 0) | |
| self.assertIs(a > b, r > 0) | |
| self.assertIs(a <= b, r <= 0) | |
| self.assertIs(a < b, r < 0) | |
| self.assertIs(a >= b, r >= 0) | |
| def test_cmp(self): | |
| a = self.fixtype('ab') | |
| self._assert_cmp(a, a, 0) | |
| self._assert_cmp(a, self.fixtype('ab'), 0) | |
| self._assert_cmp(a, self.fixtype('a'), 1) | |
| self._assert_cmp(a, self.fixtype('ac'), -1) | |
| 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 | |
| teststrings = self._get_teststrings(['', 'a', 'b'], 7) | |
| 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_count_keyword(self): | |
| self.assertEqual('aa'.replace('a', 'b', 0), 'aa'.replace('a', 'b', count=0)) | |
| self.assertEqual('aa'.replace('a', 'b', 1), 'aa'.replace('a', 'b', count=1)) | |
| self.assertEqual('aa'.replace('a', 'b', 2), 'aa'.replace('a', 'b', count=2)) | |
| self.assertEqual('aa'.replace('a', 'b', 3), 'aa'.replace('a', 'b', count=3)) | |
| 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 | |
| teststrings = self._get_teststrings(['', 'a', 'b', 'c'], 5) | |
| 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 | |
| teststrings = self._get_teststrings(['', 'a', 'b', 'c'], 5) | |
| 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) | |
| # For a variety of combinations, | |
| # verify that str.index() matches __contains__ | |
| # and that the found substring is really at that location | |
| teststrings = self._get_teststrings(['', 'a', 'b', 'c'], 5) | |
| for i in teststrings: | |
| for j in teststrings: | |
| if j in i: | |
| loc = i.index(j) | |
| self.assertGreaterEqual(loc, 0) | |
| self.assertEqual(i[loc:loc+len(j)], j) | |
| else: | |
| self.assertRaises(ValueError, i.index, j) | |
| 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) | |
| # For a variety of combinations, | |
| # verify that str.rindex() matches __contains__ | |
| # and that the found substring is really at that location | |
| teststrings = self._get_teststrings(['', 'a', 'b', 'c'], 5) | |
| for i in teststrings: | |
| for j in teststrings: | |
| if j in i: | |
| loc = i.rindex(j) | |
| self.assertGreaterEqual(loc, 0) | |
| self.assertEqual(i[loc:loc+len(j)], j) | |
| else: | |
| self.assertRaises(ValueError, i.rindex, j) | |
| def test_find_periodic_pattern(self): | |
| """Cover the special path for periodic patterns.""" | |
| def reference_find(p, s): | |
| for i in range(len(s)): | |
| if s.startswith(p, i): | |
| return i | |
| if p == '' and s == '': | |
| return 0 | |
| return -1 | |
| def check_pattern(rr): | |
| choices = random.choices | |
| p0 = ''.join(choices('abcde', k=rr(10))) * rr(10, 20) | |
| p = p0[:len(p0) - rr(10)] # pop off some characters | |
| left = ''.join(choices('abcdef', k=rr(2000))) | |
| right = ''.join(choices('abcdef', k=rr(2000))) | |
| text = left + p + right | |
| with self.subTest(p=p, text=text): | |
| self.checkequal(reference_find(p, text), | |
| text, 'find', p) | |
| rr = random.randrange | |
| for _ in range(1000): | |
| check_pattern(rr) | |
| # Test that empty string always work: | |
| check_pattern(lambda *args: 0) | |
| def test_find_many_lengths(self): | |
| haystack_repeats = [a * 10**e for e in range(6) for a in (1,2,5)] | |
| haystacks = [(n, self.fixtype("abcab"*n + "da")) for n in haystack_repeats] | |
| needle_repeats = [a * 10**e for e in range(6) for a in (1, 3)] | |
| needles = [(m, self.fixtype("abcab"*m + "da")) for m in needle_repeats] | |
| for n, haystack1 in haystacks: | |
| haystack2 = haystack1[:-1] | |
| for m, needle in needles: | |
| answer1 = 5 * (n - m) if m <= n else -1 | |
| self.assertEqual(haystack1.find(needle), answer1, msg=(n,m)) | |
| self.assertEqual(haystack2.find(needle), -1, msg=(n,m)) | |
| def test_adaptive_find(self): | |
| # This would be very slow for the naive algorithm, | |
| # but str.find() should be O(n + m). | |
| for N in 1000, 10_000, 100_000, 1_000_000: | |
| A, B = 'a' * N, 'b' * N | |
| haystack = A + A + B + A + A | |
| needle = A + B + B + A | |
| self.checkequal(-1, haystack, 'find', needle) | |
| self.checkequal(0, haystack, 'count', needle) | |
| self.checkequal(len(haystack), haystack + needle, 'find', needle) | |
| self.checkequal(1, haystack + needle, 'count', needle) | |
| def test_find_with_memory(self): | |
| # Test the "Skip with memory" path in the two-way algorithm. | |
| for N in 1000, 3000, 10_000, 30_000: | |
| needle = 'ab' * N | |
| haystack = ('ab'*(N-1) + 'b') * 2 | |
| self.checkequal(-1, haystack, 'find', needle) | |
| self.checkequal(0, haystack, 'count', needle) | |
| self.checkequal(len(haystack), haystack + needle, 'find', needle) | |
| self.checkequal(1, haystack + needle, 'count', needle) | |
| def test_find_shift_table_overflow(self): | |
| """When the table of 8-bit shifts overflows.""" | |
| N = 2**8 + 100 | |
| # first check the periodic case | |
| # here, the shift for 'b' is N + 1. | |
| pattern1 = 'a' * N + 'b' + 'a' * N | |
| text1 = 'babbaa' * N + pattern1 | |
| self.checkequal(len(text1)-len(pattern1), | |
| text1, 'find', pattern1) | |
| # now check the non-periodic case | |
| # here, the shift for 'd' is 3*(N+1)+1 | |
| pattern2 = 'ddd' + 'abc' * N + "eee" | |
| text2 = pattern2[:-1] + "ddeede" * 2 * N + pattern2 + "de" * N | |
| self.checkequal(len(text2) - N*len("de") - len(pattern2), | |
| text2, 'find', pattern2) | |
| 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') | |
| self.checkequal('abc\r\nab def\ng hi', 'abc\r\nab\tdef\ng\thi', | |
| 'expandtabs', 8) | |
| self.checkequal('abc\r\nab def\ng hi', 'abc\r\nab\tdef\ng\thi', | |
| 'expandtabs', 4) | |
| self.checkequal('abc\r\nab\r\ndef\ng\r\nhi', 'abc\r\nab\r\ndef\ng\r\nhi', | |
| 'expandtabs', 4) | |
| # check keyword args | |
| self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', | |
| 'expandtabs', tabsize=8) | |
| self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', | |
| 'expandtabs', tabsize=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(['abcd'], 'abcd', 'split', '|') | |
| self.checkequal([''], '', 'split', '|') | |
| 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): | |
| # without arg | |
| self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit') | |
| self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit') | |
| self.checkequal([], '', 'rsplit') | |
| # 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(['abcd'], 'abcd', 'rsplit', '|') | |
| self.checkequal([''], '', 'rsplit', '|') | |
| 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', sep=None) | |
| self.checkequal(['a b c', 'd'], | |
| 'a b c d', 'rsplit', sep=None, maxsplit=1) | |
| 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("A", "", "replace", "", "A", 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") | |
| 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_replacement_on_buffer_boundary(self): | |
| # gh-127971: Check we don't read past the end of the buffer when a | |
| # potential match misses on the last character. | |
| any_3_nonblank_codepoints = '!!!' | |
| seven_codepoints = any_3_nonblank_codepoints + ' ' + any_3_nonblank_codepoints | |
| a = (' ' * 243) + seven_codepoints + (' ' * 7) | |
| b = ' ' * 6 + chr(256) | |
| a.replace(seven_codepoints, b) | |
| def test_replace_uses_two_way_maxcount(self): | |
| # Test that maxcount works in _two_way_count in fastsearch.h | |
| A, B = "A"*1000, "B"*1000 | |
| AABAA = A + A + B + A + A | |
| ABBA = A + B + B + A | |
| self.checkequal(AABAA + ABBA, | |
| AABAA + ABBA, 'replace', ABBA, "ccc", 0) | |
| self.checkequal(AABAA + "ccc", | |
| AABAA + ABBA, 'replace', ABBA, "ccc", 1) | |
| self.checkequal(AABAA + "ccc", | |
| AABAA + ABBA, 'replace', ABBA, "ccc", 2) | |
| @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) | |
| def test_removeprefix(self): | |
| self.checkequal('am', 'spam', 'removeprefix', 'sp') | |
| self.checkequal('spamspam', 'spamspamspam', 'removeprefix', 'spam') | |
| self.checkequal('spam', 'spam', 'removeprefix', 'python') | |
| self.checkequal('spam', 'spam', 'removeprefix', 'spider') | |
| self.checkequal('spam', 'spam', 'removeprefix', 'spam and eggs') | |
| self.checkequal('', '', 'removeprefix', '') | |
| self.checkequal('', '', 'removeprefix', 'abcde') | |
| self.checkequal('abcde', 'abcde', 'removeprefix', '') | |
| self.checkequal('', 'abcde', 'removeprefix', 'abcde') | |
| self.checkraises(TypeError, 'hello', 'removeprefix') | |
| self.checkraises(TypeError, 'hello', 'removeprefix', 42) | |
| self.checkraises(TypeError, 'hello', 'removeprefix', 42, 'h') | |
| self.checkraises(TypeError, 'hello', 'removeprefix', 'h', 42) | |
| self.checkraises(TypeError, 'hello', 'removeprefix', ("he", "l")) | |
| def test_removesuffix(self): | |
| self.checkequal('sp', 'spam', 'removesuffix', 'am') | |
| self.checkequal('spamspam', 'spamspamspam', 'removesuffix', 'spam') | |
| self.checkequal('spam', 'spam', 'removesuffix', 'python') | |
| self.checkequal('spam', 'spam', 'removesuffix', 'blam') | |
| self.checkequal('spam', 'spam', 'removesuffix', 'eggs and spam') | |
| self.checkequal('', '', 'removesuffix', '') | |
| self.checkequal('', '', 'removesuffix', 'abcde') | |
| self.checkequal('abcde', 'abcde', 'removesuffix', '') | |
| self.checkequal('', 'abcde', 'removesuffix', 'abcde') | |
| self.checkraises(TypeError, 'hello', 'removesuffix') | |
| self.checkraises(TypeError, 'hello', 'removesuffix', 42) | |
| self.checkraises(TypeError, 'hello', 'removesuffix', 42, 'h') | |
| self.checkraises(TypeError, 'hello', 'removesuffix', 'h', 42) | |
| self.checkraises(TypeError, 'hello', 'removesuffix', ("lo", "l")) | |
| 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_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, 0) | |
| 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', 'c'], ' a b c ', 'split', None, 3) | |
| 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) | |
| for b in ('arf\tbarf', 'arf\nbarf', 'arf\rbarf', | |
| 'arf\fbarf', 'arf\vbarf'): | |
| self.checkequal(['arf', 'barf'], b, 'split') | |
| self.checkequal(['arf', 'barf'], b, 'split', None) | |
| self.checkequal(['arf', 'barf'], b, 'split', None, 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, 0) | |
| 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', 'c'], ' a b c ', 'rsplit', | |
| None, 3) | |
| 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) | |
| for b in ('arf\tbarf', 'arf\nbarf', 'arf\rbarf', | |
| 'arf\fbarf', 'arf\vbarf'): | |
| self.checkequal(['arf', 'barf'], b, 'rsplit') | |
| self.checkequal(['arf', 'barf'], b, 'rsplit', None) | |
| self.checkequal(['arf', 'barf'], b, 'rsplit', None, 2) | |
| def test_strip_whitespace(self): | |
| self.checkequal('hello', ' hello ', 'strip') | |
| self.checkequal('hello ', ' hello ', 'lstrip') | |
| self.checkequal(' hello', ' hello ', 'rstrip') | |
| self.checkequal('hello', 'hello', 'strip') | |
| b = ' \t\n\r\f\vabc \t\n\r\f\v' | |
| self.checkequal('abc', b, 'strip') | |
| self.checkequal('abc \t\n\r\f\v', b, 'lstrip') | |
| self.checkequal(' \t\n\r\f\vabc', b, 'rstrip') | |
| # 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) | |
| def test_strip(self): | |
| # 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.checkequal('', 'mississippi', 'strip', 'mississippi') | |
| # only trim the start and end; does not strip internal characters | |
| self.checkequal('mississipp', 'mississippi', 'strip', 'i') | |
| 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') | |
| 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_isascii(self): | |
| self.checkequal(True, '', 'isascii') | |
| self.checkequal(True, '\x00', 'isascii') | |
| self.checkequal(True, '\x7f', 'isascii') | |
| self.checkequal(True, '\x00\x7f', 'isascii') | |
| self.checkequal(False, '\x80', 'isascii') | |
| self.checkequal(False, '\xe9', 'isascii') | |
| # bytes.isascii() and bytearray.isascii() has optimization which | |
| # check 4 or 8 bytes at once. So check some alignments. | |
| for p in range(8): | |
| self.checkequal(True, ' '*p + '\x7f', 'isascii') | |
| self.checkequal(False, ' '*p + '\x80', 'isascii') | |
| self.checkequal(True, ' '*p + '\x7f' + ' '*8, 'isascii') | |
| self.checkequal(False, ' '*p + '\x80' + ' '*8, 'isascii') | |
| 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) | |
| class StringLikeTest(BaseTest): | |
| # This testcase contains tests that can be used in all | |
| # stringlike classes. Currently this is str and UserString. | |
| 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_nonascii(self): | |
| # check that titlecased chars are lowered correctly | |
| # \u1ffc is the titlecased char | |
| self.checkequal('\u1ffc\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('\u1d00\u1d86\u0221\u1fb7', | |
| '\u1d00\u1d86\u0221\u1fb7', 'capitalize') | |
| 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) | |
| self.checkequal(True, '', 'startswith', '', 0, 1) | |
| self.checkequal(True, '', 'startswith', '', 0, 0) | |
| self.checkequal(False, '', 'startswith', '', 1, 0) | |
| # 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) | |
| self.checkequal(True, '', 'endswith', '', 0, 1) | |
| self.checkequal(True, '', 'endswith', '', 0, 0) | |
| self.checkequal(False, '', 'endswith', '', 1, 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') | |
| for idx_type in ('def', object()): | |
| expected_msg = "string indices must be integers, not '{}'".format(type(idx_type).__name__) | |
| self.checkraises(TypeError, 'abc', '__getitem__', idx_type, expected_msg=expected_msg) | |
| 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, sys.maxsize, -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): | |
| super().test_mul() | |
| 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 | |
| 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) | |
| class LiesAboutLengthSeq(Sequence): | |
| def __init__(self): self.seq = ['a', 'b', 'c'] | |
| def __len__(self): return 8 | |
| self.checkequal('a b c', ' ', 'join', LiesAboutLengthSeq()) | |
| self.checkraises(TypeError, ' ', 'join') | |
| self.checkraises(TypeError, ' ', 'join', None) | |
| 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): | |
| _testcapi = import_helper.import_module('_testcapi') | |
| SIZE_MAX = (1 << (_testcapi.PY_SSIZE_T_MAX.bit_length() + 1)) - 1 | |
| self.checkraises(OverflowError, '%*s', '__mod__', | |
| (_testcapi.PY_SSIZE_T_MAX + 1, '')) | |
| self.checkraises(OverflowError, '%.*f', '__mod__', | |
| (_testcapi.INT_MAX + 1, 1. / 7)) | |
| # Issue 15989 | |
| self.checkraises(OverflowError, '%*s', '__mod__', | |
| (SIZE_MAX + 1, '')) | |
| self.checkraises(OverflowError, '%.*f', '__mod__', | |
| (_testcapi.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\b', s.find, | |
| x, None, None, None) | |
| self.assertRaisesRegex(TypeError, r'^rfind\b', s.rfind, | |
| x, None, None, None) | |
| self.assertRaisesRegex(TypeError, r'^index\b', s.index, | |
| x, None, None, None) | |
| self.assertRaisesRegex(TypeError, r'^rindex\b', s.rindex, | |
| x, None, None, None) | |
| self.assertRaisesRegex(TypeError, r'^count\b', s.count, | |
| x, None, None, None) | |
| self.assertRaisesRegex(TypeError, r'^startswith\b', s.startswith, | |
| x, None, None, None) | |
| self.assertRaisesRegex(TypeError, r'^endswith\b', s.endswith, | |
| x, None, None, None) | |
| # issue #15534 | |
| self.checkequal(10, "...\u043c......<", "find", "<") | |
| class MixinStrUnicodeTest: | |
| # Additional tests that only work with str. | |
| 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) |