3066 lines
135 KiB
Python
3066 lines
135 KiB
Python
""" Test script for the Unicode implementation.
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Written by Marc-Andre Lemburg (mal@lemburg.com).
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(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
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"""
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import _string
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import codecs
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import itertools
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import operator
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import struct
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import sys
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import textwrap
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import unicodedata
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import unittest
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import warnings
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from test.support import import_helper
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from test.support import warnings_helper
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from test import support, string_tests
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from test.support.script_helper import assert_python_failure
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# Error handling (bad decoder return)
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def search_function(encoding):
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def decode1(input, errors="strict"):
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return 42 # not a tuple
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def encode1(input, errors="strict"):
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return 42 # not a tuple
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def encode2(input, errors="strict"):
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return (42, 42) # no unicode
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def decode2(input, errors="strict"):
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return (42, 42) # no unicode
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if encoding=="test.unicode1":
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return (encode1, decode1, None, None)
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elif encoding=="test.unicode2":
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return (encode2, decode2, None, None)
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else:
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return None
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def duplicate_string(text):
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"""
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Try to get a fresh clone of the specified text:
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new object with a reference count of 1.
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This is a best-effort: latin1 single letters and the empty
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string ('') are singletons and cannot be cloned.
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"""
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return text.encode().decode()
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class StrSubclass(str):
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pass
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class UnicodeTest(string_tests.CommonTest,
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string_tests.MixinStrUnicodeUserStringTest,
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string_tests.MixinStrUnicodeTest,
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unittest.TestCase):
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type2test = str
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def setUp(self):
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codecs.register(search_function)
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self.addCleanup(codecs.unregister, search_function)
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def checkequalnofix(self, result, object, methodname, *args):
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method = getattr(object, methodname)
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realresult = method(*args)
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self.assertEqual(realresult, result)
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self.assertTrue(type(realresult) is type(result))
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# if the original is returned make sure that
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# this doesn't happen with subclasses
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if realresult is object:
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class usub(str):
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def __repr__(self):
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return 'usub(%r)' % str.__repr__(self)
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object = usub(object)
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method = getattr(object, methodname)
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realresult = method(*args)
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self.assertEqual(realresult, result)
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self.assertTrue(object is not realresult)
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def test_literals(self):
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self.assertEqual('\xff', '\u00ff')
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self.assertEqual('\uffff', '\U0000ffff')
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self.assertRaises(SyntaxError, eval, '\'\\Ufffffffe\'')
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self.assertRaises(SyntaxError, eval, '\'\\Uffffffff\'')
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self.assertRaises(SyntaxError, eval, '\'\\U%08x\'' % 0x110000)
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# raw strings should not have unicode escapes
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self.assertNotEqual(r"\u0020", " ")
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def test_ascii(self):
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if not sys.platform.startswith('java'):
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# Test basic sanity of repr()
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self.assertEqual(ascii('abc'), "'abc'")
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self.assertEqual(ascii('ab\\c'), "'ab\\\\c'")
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self.assertEqual(ascii('ab\\'), "'ab\\\\'")
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self.assertEqual(ascii('\\c'), "'\\\\c'")
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self.assertEqual(ascii('\\'), "'\\\\'")
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self.assertEqual(ascii('\n'), "'\\n'")
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self.assertEqual(ascii('\r'), "'\\r'")
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self.assertEqual(ascii('\t'), "'\\t'")
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self.assertEqual(ascii('\b'), "'\\x08'")
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self.assertEqual(ascii("'\""), """'\\'"'""")
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self.assertEqual(ascii("'\""), """'\\'"'""")
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self.assertEqual(ascii("'"), '''"'"''')
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self.assertEqual(ascii('"'), """'"'""")
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latin1repr = (
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"'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b\\x0c\\r"
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"\\x0e\\x0f\\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17\\x18\\x19\\x1a"
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"\\x1b\\x1c\\x1d\\x1e\\x1f !\"#$%&\\'()*+,-./0123456789:;<=>?@ABCDEFGHI"
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"JKLMNOPQRSTUVWXYZ[\\\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\\x7f"
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"\\x80\\x81\\x82\\x83\\x84\\x85\\x86\\x87\\x88\\x89\\x8a\\x8b\\x8c\\x8d"
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"\\x8e\\x8f\\x90\\x91\\x92\\x93\\x94\\x95\\x96\\x97\\x98\\x99\\x9a\\x9b"
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"\\x9c\\x9d\\x9e\\x9f\\xa0\\xa1\\xa2\\xa3\\xa4\\xa5\\xa6\\xa7\\xa8\\xa9"
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"\\xaa\\xab\\xac\\xad\\xae\\xaf\\xb0\\xb1\\xb2\\xb3\\xb4\\xb5\\xb6\\xb7"
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"\\xb8\\xb9\\xba\\xbb\\xbc\\xbd\\xbe\\xbf\\xc0\\xc1\\xc2\\xc3\\xc4\\xc5"
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"\\xc6\\xc7\\xc8\\xc9\\xca\\xcb\\xcc\\xcd\\xce\\xcf\\xd0\\xd1\\xd2\\xd3"
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"\\xd4\\xd5\\xd6\\xd7\\xd8\\xd9\\xda\\xdb\\xdc\\xdd\\xde\\xdf\\xe0\\xe1"
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"\\xe2\\xe3\\xe4\\xe5\\xe6\\xe7\\xe8\\xe9\\xea\\xeb\\xec\\xed\\xee\\xef"
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"\\xf0\\xf1\\xf2\\xf3\\xf4\\xf5\\xf6\\xf7\\xf8\\xf9\\xfa\\xfb\\xfc\\xfd"
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"\\xfe\\xff'")
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testrepr = ascii(''.join(map(chr, range(256))))
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self.assertEqual(testrepr, latin1repr)
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# Test ascii works on wide unicode escapes without overflow.
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self.assertEqual(ascii("\U00010000" * 39 + "\uffff" * 4096),
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ascii("\U00010000" * 39 + "\uffff" * 4096))
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class WrongRepr:
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def __repr__(self):
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return b'byte-repr'
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self.assertRaises(TypeError, ascii, WrongRepr())
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def test_repr(self):
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if not sys.platform.startswith('java'):
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# Test basic sanity of repr()
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self.assertEqual(repr('abc'), "'abc'")
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self.assertEqual(repr('ab\\c'), "'ab\\\\c'")
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self.assertEqual(repr('ab\\'), "'ab\\\\'")
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self.assertEqual(repr('\\c'), "'\\\\c'")
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self.assertEqual(repr('\\'), "'\\\\'")
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self.assertEqual(repr('\n'), "'\\n'")
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self.assertEqual(repr('\r'), "'\\r'")
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self.assertEqual(repr('\t'), "'\\t'")
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self.assertEqual(repr('\b'), "'\\x08'")
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self.assertEqual(repr("'\""), """'\\'"'""")
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self.assertEqual(repr("'\""), """'\\'"'""")
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self.assertEqual(repr("'"), '''"'"''')
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self.assertEqual(repr('"'), """'"'""")
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latin1repr = (
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"'\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b\\x0c\\r"
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"\\x0e\\x0f\\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17\\x18\\x19\\x1a"
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"\\x1b\\x1c\\x1d\\x1e\\x1f !\"#$%&\\'()*+,-./0123456789:;<=>?@ABCDEFGHI"
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"JKLMNOPQRSTUVWXYZ[\\\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\\x7f"
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"\\x80\\x81\\x82\\x83\\x84\\x85\\x86\\x87\\x88\\x89\\x8a\\x8b\\x8c\\x8d"
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"\\x8e\\x8f\\x90\\x91\\x92\\x93\\x94\\x95\\x96\\x97\\x98\\x99\\x9a\\x9b"
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"\\x9c\\x9d\\x9e\\x9f\\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9"
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"\xaa\xab\xac\\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7"
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"\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5"
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"\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3"
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"\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1"
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"\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
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"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd"
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"\xfe\xff'")
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testrepr = repr(''.join(map(chr, range(256))))
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self.assertEqual(testrepr, latin1repr)
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# Test repr works on wide unicode escapes without overflow.
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self.assertEqual(repr("\U00010000" * 39 + "\uffff" * 4096),
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repr("\U00010000" * 39 + "\uffff" * 4096))
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class WrongRepr:
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def __repr__(self):
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return b'byte-repr'
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self.assertRaises(TypeError, repr, WrongRepr())
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def test_iterators(self):
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# Make sure unicode objects have an __iter__ method
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it = "\u1111\u2222\u3333".__iter__()
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self.assertEqual(next(it), "\u1111")
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self.assertEqual(next(it), "\u2222")
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self.assertEqual(next(it), "\u3333")
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self.assertRaises(StopIteration, next, it)
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def test_count(self):
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string_tests.CommonTest.test_count(self)
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# check mixed argument types
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self.checkequalnofix(3, 'aaa', 'count', 'a')
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self.checkequalnofix(0, 'aaa', 'count', 'b')
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self.checkequalnofix(3, 'aaa', 'count', 'a')
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self.checkequalnofix(0, 'aaa', 'count', 'b')
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self.checkequalnofix(0, 'aaa', 'count', 'b')
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self.checkequalnofix(1, 'aaa', 'count', 'a', -1)
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self.checkequalnofix(3, 'aaa', 'count', 'a', -10)
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self.checkequalnofix(2, 'aaa', 'count', 'a', 0, -1)
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self.checkequalnofix(0, 'aaa', 'count', 'a', 0, -10)
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# test mixed kinds
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self.checkequal(10, '\u0102' + 'a' * 10, 'count', 'a')
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self.checkequal(10, '\U00100304' + 'a' * 10, 'count', 'a')
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self.checkequal(10, '\U00100304' + '\u0102' * 10, 'count', '\u0102')
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self.checkequal(0, 'a' * 10, 'count', '\u0102')
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self.checkequal(0, 'a' * 10, 'count', '\U00100304')
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self.checkequal(0, '\u0102' * 10, 'count', '\U00100304')
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self.checkequal(10, '\u0102' + 'a_' * 10, 'count', 'a_')
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self.checkequal(10, '\U00100304' + 'a_' * 10, 'count', 'a_')
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self.checkequal(10, '\U00100304' + '\u0102_' * 10, 'count', '\u0102_')
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self.checkequal(0, 'a' * 10, 'count', 'a\u0102')
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self.checkequal(0, 'a' * 10, 'count', 'a\U00100304')
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self.checkequal(0, '\u0102' * 10, 'count', '\u0102\U00100304')
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def test_find(self):
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string_tests.CommonTest.test_find(self)
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# test implementation details of the memchr fast path
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self.checkequal(100, 'a' * 100 + '\u0102', 'find', '\u0102')
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self.checkequal(-1, 'a' * 100 + '\u0102', 'find', '\u0201')
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self.checkequal(-1, 'a' * 100 + '\u0102', 'find', '\u0120')
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self.checkequal(-1, 'a' * 100 + '\u0102', 'find', '\u0220')
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self.checkequal(100, 'a' * 100 + '\U00100304', 'find', '\U00100304')
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self.checkequal(-1, 'a' * 100 + '\U00100304', 'find', '\U00100204')
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self.checkequal(-1, 'a' * 100 + '\U00100304', 'find', '\U00102004')
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# check mixed argument types
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self.checkequalnofix(0, 'abcdefghiabc', 'find', 'abc')
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self.checkequalnofix(9, 'abcdefghiabc', 'find', 'abc', 1)
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self.checkequalnofix(-1, 'abcdefghiabc', 'find', 'def', 4)
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self.assertRaises(TypeError, 'hello'.find)
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self.assertRaises(TypeError, 'hello'.find, 42)
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# test mixed kinds
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self.checkequal(100, '\u0102' * 100 + 'a', 'find', 'a')
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self.checkequal(100, '\U00100304' * 100 + 'a', 'find', 'a')
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self.checkequal(100, '\U00100304' * 100 + '\u0102', 'find', '\u0102')
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self.checkequal(-1, 'a' * 100, 'find', '\u0102')
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self.checkequal(-1, 'a' * 100, 'find', '\U00100304')
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self.checkequal(-1, '\u0102' * 100, 'find', '\U00100304')
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self.checkequal(100, '\u0102' * 100 + 'a_', 'find', 'a_')
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self.checkequal(100, '\U00100304' * 100 + 'a_', 'find', 'a_')
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self.checkequal(100, '\U00100304' * 100 + '\u0102_', 'find', '\u0102_')
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self.checkequal(-1, 'a' * 100, 'find', 'a\u0102')
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self.checkequal(-1, 'a' * 100, 'find', 'a\U00100304')
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self.checkequal(-1, '\u0102' * 100, 'find', '\u0102\U00100304')
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def test_rfind(self):
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string_tests.CommonTest.test_rfind(self)
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# test implementation details of the memrchr fast path
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self.checkequal(0, '\u0102' + 'a' * 100 , 'rfind', '\u0102')
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self.checkequal(-1, '\u0102' + 'a' * 100 , 'rfind', '\u0201')
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self.checkequal(-1, '\u0102' + 'a' * 100 , 'rfind', '\u0120')
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self.checkequal(-1, '\u0102' + 'a' * 100 , 'rfind', '\u0220')
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self.checkequal(0, '\U00100304' + 'a' * 100, 'rfind', '\U00100304')
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self.checkequal(-1, '\U00100304' + 'a' * 100, 'rfind', '\U00100204')
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self.checkequal(-1, '\U00100304' + 'a' * 100, 'rfind', '\U00102004')
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# check mixed argument types
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self.checkequalnofix(9, 'abcdefghiabc', 'rfind', 'abc')
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self.checkequalnofix(12, 'abcdefghiabc', 'rfind', '')
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self.checkequalnofix(12, 'abcdefghiabc', 'rfind', '')
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# test mixed kinds
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self.checkequal(0, 'a' + '\u0102' * 100, 'rfind', 'a')
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self.checkequal(0, 'a' + '\U00100304' * 100, 'rfind', 'a')
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self.checkequal(0, '\u0102' + '\U00100304' * 100, 'rfind', '\u0102')
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self.checkequal(-1, 'a' * 100, 'rfind', '\u0102')
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self.checkequal(-1, 'a' * 100, 'rfind', '\U00100304')
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self.checkequal(-1, '\u0102' * 100, 'rfind', '\U00100304')
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self.checkequal(0, '_a' + '\u0102' * 100, 'rfind', '_a')
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self.checkequal(0, '_a' + '\U00100304' * 100, 'rfind', '_a')
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self.checkequal(0, '_\u0102' + '\U00100304' * 100, 'rfind', '_\u0102')
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self.checkequal(-1, 'a' * 100, 'rfind', '\u0102a')
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self.checkequal(-1, 'a' * 100, 'rfind', '\U00100304a')
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self.checkequal(-1, '\u0102' * 100, 'rfind', '\U00100304\u0102')
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def test_index(self):
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string_tests.CommonTest.test_index(self)
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self.checkequalnofix(0, 'abcdefghiabc', 'index', '')
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self.checkequalnofix(3, 'abcdefghiabc', 'index', 'def')
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self.checkequalnofix(0, 'abcdefghiabc', 'index', 'abc')
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self.checkequalnofix(9, 'abcdefghiabc', 'index', 'abc', 1)
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self.assertRaises(ValueError, 'abcdefghiabc'.index, 'hib')
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self.assertRaises(ValueError, 'abcdefghiab'.index, 'abc', 1)
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self.assertRaises(ValueError, 'abcdefghi'.index, 'ghi', 8)
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self.assertRaises(ValueError, 'abcdefghi'.index, 'ghi', -1)
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# test mixed kinds
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self.checkequal(100, '\u0102' * 100 + 'a', 'index', 'a')
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self.checkequal(100, '\U00100304' * 100 + 'a', 'index', 'a')
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self.checkequal(100, '\U00100304' * 100 + '\u0102', 'index', '\u0102')
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self.assertRaises(ValueError, ('a' * 100).index, '\u0102')
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self.assertRaises(ValueError, ('a' * 100).index, '\U00100304')
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self.assertRaises(ValueError, ('\u0102' * 100).index, '\U00100304')
|
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self.checkequal(100, '\u0102' * 100 + 'a_', 'index', 'a_')
|
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self.checkequal(100, '\U00100304' * 100 + 'a_', 'index', 'a_')
|
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self.checkequal(100, '\U00100304' * 100 + '\u0102_', 'index', '\u0102_')
|
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self.assertRaises(ValueError, ('a' * 100).index, 'a\u0102')
|
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self.assertRaises(ValueError, ('a' * 100).index, 'a\U00100304')
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self.assertRaises(ValueError, ('\u0102' * 100).index, '\u0102\U00100304')
|
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|
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def test_rindex(self):
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string_tests.CommonTest.test_rindex(self)
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self.checkequalnofix(12, 'abcdefghiabc', 'rindex', '')
|
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self.checkequalnofix(3, 'abcdefghiabc', 'rindex', 'def')
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self.checkequalnofix(9, 'abcdefghiabc', 'rindex', 'abc')
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self.checkequalnofix(0, 'abcdefghiabc', 'rindex', 'abc', 0, -1)
|
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self.assertRaises(ValueError, 'abcdefghiabc'.rindex, 'hib')
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self.assertRaises(ValueError, 'defghiabc'.rindex, 'def', 1)
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self.assertRaises(ValueError, 'defghiabc'.rindex, 'abc', 0, -1)
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self.assertRaises(ValueError, 'abcdefghi'.rindex, 'ghi', 0, 8)
|
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self.assertRaises(ValueError, 'abcdefghi'.rindex, 'ghi', 0, -1)
|
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# test mixed kinds
|
||
self.checkequal(0, 'a' + '\u0102' * 100, 'rindex', 'a')
|
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self.checkequal(0, 'a' + '\U00100304' * 100, 'rindex', 'a')
|
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self.checkequal(0, '\u0102' + '\U00100304' * 100, 'rindex', '\u0102')
|
||
self.assertRaises(ValueError, ('a' * 100).rindex, '\u0102')
|
||
self.assertRaises(ValueError, ('a' * 100).rindex, '\U00100304')
|
||
self.assertRaises(ValueError, ('\u0102' * 100).rindex, '\U00100304')
|
||
self.checkequal(0, '_a' + '\u0102' * 100, 'rindex', '_a')
|
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self.checkequal(0, '_a' + '\U00100304' * 100, 'rindex', '_a')
|
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self.checkequal(0, '_\u0102' + '\U00100304' * 100, 'rindex', '_\u0102')
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self.assertRaises(ValueError, ('a' * 100).rindex, '\u0102a')
|
||
self.assertRaises(ValueError, ('a' * 100).rindex, '\U00100304a')
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||
self.assertRaises(ValueError, ('\u0102' * 100).rindex, '\U00100304\u0102')
|
||
|
||
def test_maketrans_translate(self):
|
||
# these work with plain translate()
|
||
self.checkequalnofix('bbbc', 'abababc', 'translate',
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{ord('a'): None})
|
||
self.checkequalnofix('iiic', 'abababc', 'translate',
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{ord('a'): None, ord('b'): ord('i')})
|
||
self.checkequalnofix('iiix', 'abababc', 'translate',
|
||
{ord('a'): None, ord('b'): ord('i'), ord('c'): 'x'})
|
||
self.checkequalnofix('c', 'abababc', 'translate',
|
||
{ord('a'): None, ord('b'): ''})
|
||
self.checkequalnofix('xyyx', 'xzx', 'translate',
|
||
{ord('z'): 'yy'})
|
||
|
||
# this needs maketrans()
|
||
self.checkequalnofix('abababc', 'abababc', 'translate',
|
||
{'b': '<i>'})
|
||
tbl = self.type2test.maketrans({'a': None, 'b': '<i>'})
|
||
self.checkequalnofix('<i><i><i>c', 'abababc', 'translate', tbl)
|
||
# test alternative way of calling maketrans()
|
||
tbl = self.type2test.maketrans('abc', 'xyz', 'd')
|
||
self.checkequalnofix('xyzzy', 'abdcdcbdddd', 'translate', tbl)
|
||
|
||
# various tests switching from ASCII to latin1 or the opposite;
|
||
# same length, remove a letter, or replace with a longer string.
|
||
self.assertEqual("[a]".translate(str.maketrans('a', 'X')),
|
||
"[X]")
|
||
self.assertEqual("[a]".translate(str.maketrans({'a': 'X'})),
|
||
"[X]")
|
||
self.assertEqual("[a]".translate(str.maketrans({'a': None})),
|
||
"[]")
|
||
self.assertEqual("[a]".translate(str.maketrans({'a': 'XXX'})),
|
||
"[XXX]")
|
||
self.assertEqual("[a]".translate(str.maketrans({'a': '\xe9'})),
|
||
"[\xe9]")
|
||
self.assertEqual('axb'.translate(str.maketrans({'a': None, 'b': '123'})),
|
||
"x123")
|
||
self.assertEqual('axb'.translate(str.maketrans({'a': None, 'b': '\xe9'})),
|
||
"x\xe9")
|
||
|
||
# test non-ASCII (don't take the fast-path)
|
||
self.assertEqual("[a]".translate(str.maketrans({'a': '<\xe9>'})),
|
||
"[<\xe9>]")
|
||
self.assertEqual("[\xe9]".translate(str.maketrans({'\xe9': 'a'})),
|
||
"[a]")
|
||
self.assertEqual("[\xe9]".translate(str.maketrans({'\xe9': None})),
|
||
"[]")
|
||
self.assertEqual("[\xe9]".translate(str.maketrans({'\xe9': '123'})),
|
||
"[123]")
|
||
self.assertEqual("[a\xe9]".translate(str.maketrans({'a': '<\u20ac>'})),
|
||
"[<\u20ac>\xe9]")
|
||
|
||
# invalid Unicode characters
|
||
invalid_char = 0x10ffff+1
|
||
for before in "a\xe9\u20ac\U0010ffff":
|
||
mapping = str.maketrans({before: invalid_char})
|
||
text = "[%s]" % before
|
||
self.assertRaises(ValueError, text.translate, mapping)
|
||
|
||
# errors
|
||
self.assertRaises(TypeError, self.type2test.maketrans)
|
||
self.assertRaises(ValueError, self.type2test.maketrans, 'abc', 'defg')
|
||
self.assertRaises(TypeError, self.type2test.maketrans, 2, 'def')
|
||
self.assertRaises(TypeError, self.type2test.maketrans, 'abc', 2)
|
||
self.assertRaises(TypeError, self.type2test.maketrans, 'abc', 'def', 2)
|
||
self.assertRaises(ValueError, self.type2test.maketrans, {'xy': 2})
|
||
self.assertRaises(TypeError, self.type2test.maketrans, {(1,): 2})
|
||
|
||
self.assertRaises(TypeError, 'hello'.translate)
|
||
self.assertRaises(TypeError, 'abababc'.translate, 'abc', 'xyz')
|
||
|
||
def test_split(self):
|
||
string_tests.CommonTest.test_split(self)
|
||
|
||
# test mixed kinds
|
||
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
|
||
left *= 9
|
||
right *= 9
|
||
for delim in ('c', '\u0102', '\U00010302'):
|
||
self.checkequal([left + right],
|
||
left + right, 'split', delim)
|
||
self.checkequal([left, right],
|
||
left + delim + right, 'split', delim)
|
||
self.checkequal([left + right],
|
||
left + right, 'split', delim * 2)
|
||
self.checkequal([left, right],
|
||
left + delim * 2 + right, 'split', delim *2)
|
||
|
||
def test_rsplit(self):
|
||
string_tests.CommonTest.test_rsplit(self)
|
||
# test mixed kinds
|
||
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
|
||
left *= 9
|
||
right *= 9
|
||
for delim in ('c', '\u0102', '\U00010302'):
|
||
self.checkequal([left + right],
|
||
left + right, 'rsplit', delim)
|
||
self.checkequal([left, right],
|
||
left + delim + right, 'rsplit', delim)
|
||
self.checkequal([left + right],
|
||
left + right, 'rsplit', delim * 2)
|
||
self.checkequal([left, right],
|
||
left + delim * 2 + right, 'rsplit', delim *2)
|
||
|
||
def test_partition(self):
|
||
string_tests.MixinStrUnicodeUserStringTest.test_partition(self)
|
||
# test mixed kinds
|
||
self.checkequal(('ABCDEFGH', '', ''), 'ABCDEFGH', 'partition', '\u4200')
|
||
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
|
||
left *= 9
|
||
right *= 9
|
||
for delim in ('c', '\u0102', '\U00010302'):
|
||
self.checkequal((left + right, '', ''),
|
||
left + right, 'partition', delim)
|
||
self.checkequal((left, delim, right),
|
||
left + delim + right, 'partition', delim)
|
||
self.checkequal((left + right, '', ''),
|
||
left + right, 'partition', delim * 2)
|
||
self.checkequal((left, delim * 2, right),
|
||
left + delim * 2 + right, 'partition', delim * 2)
|
||
|
||
def test_rpartition(self):
|
||
string_tests.MixinStrUnicodeUserStringTest.test_rpartition(self)
|
||
# test mixed kinds
|
||
self.checkequal(('', '', 'ABCDEFGH'), 'ABCDEFGH', 'rpartition', '\u4200')
|
||
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
|
||
left *= 9
|
||
right *= 9
|
||
for delim in ('c', '\u0102', '\U00010302'):
|
||
self.checkequal(('', '', left + right),
|
||
left + right, 'rpartition', delim)
|
||
self.checkequal((left, delim, right),
|
||
left + delim + right, 'rpartition', delim)
|
||
self.checkequal(('', '', left + right),
|
||
left + right, 'rpartition', delim * 2)
|
||
self.checkequal((left, delim * 2, right),
|
||
left + delim * 2 + right, 'rpartition', delim * 2)
|
||
|
||
def test_join(self):
|
||
string_tests.MixinStrUnicodeUserStringTest.test_join(self)
|
||
|
||
class MyWrapper:
|
||
def __init__(self, sval): self.sval = sval
|
||
def __str__(self): return self.sval
|
||
|
||
# mixed arguments
|
||
self.checkequalnofix('a b c d', ' ', 'join', ['a', 'b', 'c', 'd'])
|
||
self.checkequalnofix('abcd', '', 'join', ('a', 'b', 'c', 'd'))
|
||
self.checkequalnofix('w x y z', ' ', 'join', string_tests.Sequence('wxyz'))
|
||
self.checkequalnofix('a b c d', ' ', 'join', ['a', 'b', 'c', 'd'])
|
||
self.checkequalnofix('a b c d', ' ', 'join', ['a', 'b', 'c', 'd'])
|
||
self.checkequalnofix('abcd', '', 'join', ('a', 'b', 'c', 'd'))
|
||
self.checkequalnofix('w x y z', ' ', 'join', string_tests.Sequence('wxyz'))
|
||
self.checkraises(TypeError, ' ', 'join', ['1', '2', MyWrapper('foo')])
|
||
self.checkraises(TypeError, ' ', 'join', ['1', '2', '3', bytes()])
|
||
self.checkraises(TypeError, ' ', 'join', [1, 2, 3])
|
||
self.checkraises(TypeError, ' ', 'join', ['1', '2', 3])
|
||
|
||
@unittest.skipIf(sys.maxsize > 2**32,
|
||
'needs too much memory on a 64-bit platform')
|
||
def test_join_overflow(self):
|
||
size = int(sys.maxsize**0.5) + 1
|
||
seq = ('A' * size,) * size
|
||
self.assertRaises(OverflowError, ''.join, seq)
|
||
|
||
def test_replace(self):
|
||
string_tests.CommonTest.test_replace(self)
|
||
|
||
# method call forwarded from str implementation because of unicode argument
|
||
self.checkequalnofix('one@two!three!', 'one!two!three!', 'replace', '!', '@', 1)
|
||
self.assertRaises(TypeError, 'replace'.replace, "r", 42)
|
||
# test mixed kinds
|
||
for left, right in ('ba', '\u0101\u0100', '\U00010301\U00010300'):
|
||
left *= 9
|
||
right *= 9
|
||
for delim in ('c', '\u0102', '\U00010302'):
|
||
for repl in ('d', '\u0103', '\U00010303'):
|
||
self.checkequal(left + right,
|
||
left + right, 'replace', delim, repl)
|
||
self.checkequal(left + repl + right,
|
||
left + delim + right,
|
||
'replace', delim, repl)
|
||
self.checkequal(left + right,
|
||
left + right, 'replace', delim * 2, repl)
|
||
self.checkequal(left + repl + right,
|
||
left + delim * 2 + right,
|
||
'replace', delim * 2, repl)
|
||
|
||
@support.cpython_only
|
||
def test_replace_id(self):
|
||
pattern = 'abc'
|
||
text = 'abc def'
|
||
self.assertIs(text.replace(pattern, pattern), text)
|
||
|
||
def test_repeat_id_preserving(self):
|
||
a = '123abc1@'
|
||
b = '456zyx-+'
|
||
self.assertEqual(id(a), id(a))
|
||
self.assertNotEqual(id(a), id(b))
|
||
self.assertNotEqual(id(a), id(a * -4))
|
||
self.assertNotEqual(id(a), id(a * 0))
|
||
self.assertEqual(id(a), id(a * 1))
|
||
self.assertEqual(id(a), id(1 * a))
|
||
self.assertNotEqual(id(a), id(a * 2))
|
||
|
||
class SubStr(str):
|
||
pass
|
||
|
||
s = SubStr('qwerty()')
|
||
self.assertEqual(id(s), id(s))
|
||
self.assertNotEqual(id(s), id(s * -4))
|
||
self.assertNotEqual(id(s), id(s * 0))
|
||
self.assertNotEqual(id(s), id(s * 1))
|
||
self.assertNotEqual(id(s), id(1 * s))
|
||
self.assertNotEqual(id(s), id(s * 2))
|
||
|
||
def test_bytes_comparison(self):
|
||
with warnings_helper.check_warnings():
|
||
warnings.simplefilter('ignore', BytesWarning)
|
||
self.assertEqual('abc' == b'abc', False)
|
||
self.assertEqual('abc' != b'abc', True)
|
||
self.assertEqual('abc' == bytearray(b'abc'), False)
|
||
self.assertEqual('abc' != bytearray(b'abc'), True)
|
||
|
||
def test_comparison(self):
|
||
# Comparisons:
|
||
self.assertEqual('abc', 'abc')
|
||
self.assertTrue('abcd' > 'abc')
|
||
self.assertTrue('abc' < 'abcd')
|
||
|
||
if 0:
|
||
# Move these tests to a Unicode collation module test...
|
||
# Testing UTF-16 code point order comparisons...
|
||
|
||
# No surrogates, no fixup required.
|
||
self.assertTrue('\u0061' < '\u20ac')
|
||
# Non surrogate below surrogate value, no fixup required
|
||
self.assertTrue('\u0061' < '\ud800\udc02')
|
||
|
||
# Non surrogate above surrogate value, fixup required
|
||
def test_lecmp(s, s2):
|
||
self.assertTrue(s < s2)
|
||
|
||
def test_fixup(s):
|
||
s2 = '\ud800\udc01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\ud900\udc01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\uda00\udc01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\udb00\udc01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\ud800\udd01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\ud900\udd01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\uda00\udd01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\udb00\udd01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\ud800\ude01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\ud900\ude01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\uda00\ude01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\udb00\ude01'
|
||
test_lecmp(s, s2)
|
||
s2 = '\ud800\udfff'
|
||
test_lecmp(s, s2)
|
||
s2 = '\ud900\udfff'
|
||
test_lecmp(s, s2)
|
||
s2 = '\uda00\udfff'
|
||
test_lecmp(s, s2)
|
||
s2 = '\udb00\udfff'
|
||
test_lecmp(s, s2)
|
||
|
||
test_fixup('\ue000')
|
||
test_fixup('\uff61')
|
||
|
||
# Surrogates on both sides, no fixup required
|
||
self.assertTrue('\ud800\udc02' < '\ud84d\udc56')
|
||
|
||
def test_islower(self):
|
||
super().test_islower()
|
||
self.checkequalnofix(False, '\u1FFc', 'islower')
|
||
self.assertFalse('\u2167'.islower())
|
||
self.assertTrue('\u2177'.islower())
|
||
# non-BMP, uppercase
|
||
self.assertFalse('\U00010401'.islower())
|
||
self.assertFalse('\U00010427'.islower())
|
||
# non-BMP, lowercase
|
||
self.assertTrue('\U00010429'.islower())
|
||
self.assertTrue('\U0001044E'.islower())
|
||
# non-BMP, non-cased
|
||
self.assertFalse('\U0001F40D'.islower())
|
||
self.assertFalse('\U0001F46F'.islower())
|
||
|
||
def test_isupper(self):
|
||
super().test_isupper()
|
||
if not sys.platform.startswith('java'):
|
||
self.checkequalnofix(False, '\u1FFc', 'isupper')
|
||
self.assertTrue('\u2167'.isupper())
|
||
self.assertFalse('\u2177'.isupper())
|
||
# non-BMP, uppercase
|
||
self.assertTrue('\U00010401'.isupper())
|
||
self.assertTrue('\U00010427'.isupper())
|
||
# non-BMP, lowercase
|
||
self.assertFalse('\U00010429'.isupper())
|
||
self.assertFalse('\U0001044E'.isupper())
|
||
# non-BMP, non-cased
|
||
self.assertFalse('\U0001F40D'.isupper())
|
||
self.assertFalse('\U0001F46F'.isupper())
|
||
|
||
def test_istitle(self):
|
||
super().test_istitle()
|
||
self.checkequalnofix(True, '\u1FFc', 'istitle')
|
||
self.checkequalnofix(True, 'Greek \u1FFcitlecases ...', 'istitle')
|
||
|
||
# non-BMP, uppercase + lowercase
|
||
self.assertTrue('\U00010401\U00010429'.istitle())
|
||
self.assertTrue('\U00010427\U0001044E'.istitle())
|
||
# apparently there are no titlecased (Lt) non-BMP chars in Unicode 6
|
||
for ch in ['\U00010429', '\U0001044E', '\U0001F40D', '\U0001F46F']:
|
||
self.assertFalse(ch.istitle(), '{!a} is not title'.format(ch))
|
||
|
||
def test_isspace(self):
|
||
super().test_isspace()
|
||
self.checkequalnofix(True, '\u2000', 'isspace')
|
||
self.checkequalnofix(True, '\u200a', 'isspace')
|
||
self.checkequalnofix(False, '\u2014', 'isspace')
|
||
# There are no non-BMP whitespace chars as of Unicode 12.
|
||
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
|
||
'\U0001F40D', '\U0001F46F']:
|
||
self.assertFalse(ch.isspace(), '{!a} is not space.'.format(ch))
|
||
|
||
@support.requires_resource('cpu')
|
||
def test_isspace_invariant(self):
|
||
for codepoint in range(sys.maxunicode + 1):
|
||
char = chr(codepoint)
|
||
bidirectional = unicodedata.bidirectional(char)
|
||
category = unicodedata.category(char)
|
||
self.assertEqual(char.isspace(),
|
||
(bidirectional in ('WS', 'B', 'S')
|
||
or category == 'Zs'))
|
||
|
||
def test_isalnum(self):
|
||
super().test_isalnum()
|
||
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
|
||
'\U0001D7F6', '\U00011066', '\U000104A0', '\U0001F107']:
|
||
self.assertTrue(ch.isalnum(), '{!a} is alnum.'.format(ch))
|
||
|
||
def test_isalpha(self):
|
||
super().test_isalpha()
|
||
self.checkequalnofix(True, '\u1FFc', 'isalpha')
|
||
# non-BMP, cased
|
||
self.assertTrue('\U00010401'.isalpha())
|
||
self.assertTrue('\U00010427'.isalpha())
|
||
self.assertTrue('\U00010429'.isalpha())
|
||
self.assertTrue('\U0001044E'.isalpha())
|
||
# non-BMP, non-cased
|
||
self.assertFalse('\U0001F40D'.isalpha())
|
||
self.assertFalse('\U0001F46F'.isalpha())
|
||
|
||
def test_isascii(self):
|
||
super().test_isascii()
|
||
self.assertFalse("\u20ac".isascii())
|
||
self.assertFalse("\U0010ffff".isascii())
|
||
|
||
def test_isdecimal(self):
|
||
self.checkequalnofix(False, '', 'isdecimal')
|
||
self.checkequalnofix(False, 'a', 'isdecimal')
|
||
self.checkequalnofix(True, '0', 'isdecimal')
|
||
self.checkequalnofix(False, '\u2460', 'isdecimal') # CIRCLED DIGIT ONE
|
||
self.checkequalnofix(False, '\xbc', 'isdecimal') # VULGAR FRACTION ONE QUARTER
|
||
self.checkequalnofix(True, '\u0660', 'isdecimal') # ARABIC-INDIC DIGIT ZERO
|
||
self.checkequalnofix(True, '0123456789', 'isdecimal')
|
||
self.checkequalnofix(False, '0123456789a', 'isdecimal')
|
||
|
||
self.checkraises(TypeError, 'abc', 'isdecimal', 42)
|
||
|
||
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
|
||
'\U0001F40D', '\U0001F46F', '\U00011065', '\U0001F107']:
|
||
self.assertFalse(ch.isdecimal(), '{!a} is not decimal.'.format(ch))
|
||
for ch in ['\U0001D7F6', '\U00011066', '\U000104A0']:
|
||
self.assertTrue(ch.isdecimal(), '{!a} is decimal.'.format(ch))
|
||
|
||
def test_isdigit(self):
|
||
super().test_isdigit()
|
||
self.checkequalnofix(True, '\u2460', 'isdigit')
|
||
self.checkequalnofix(False, '\xbc', 'isdigit')
|
||
self.checkequalnofix(True, '\u0660', 'isdigit')
|
||
|
||
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
|
||
'\U0001F40D', '\U0001F46F', '\U00011065']:
|
||
self.assertFalse(ch.isdigit(), '{!a} is not a digit.'.format(ch))
|
||
for ch in ['\U0001D7F6', '\U00011066', '\U000104A0', '\U0001F107']:
|
||
self.assertTrue(ch.isdigit(), '{!a} is a digit.'.format(ch))
|
||
|
||
def test_isnumeric(self):
|
||
self.checkequalnofix(False, '', 'isnumeric')
|
||
self.checkequalnofix(False, 'a', 'isnumeric')
|
||
self.checkequalnofix(True, '0', 'isnumeric')
|
||
self.checkequalnofix(True, '\u2460', 'isnumeric')
|
||
self.checkequalnofix(True, '\xbc', 'isnumeric')
|
||
self.checkequalnofix(True, '\u0660', 'isnumeric')
|
||
self.checkequalnofix(True, '0123456789', 'isnumeric')
|
||
self.checkequalnofix(False, '0123456789a', 'isnumeric')
|
||
|
||
self.assertRaises(TypeError, "abc".isnumeric, 42)
|
||
|
||
for ch in ['\U00010401', '\U00010427', '\U00010429', '\U0001044E',
|
||
'\U0001F40D', '\U0001F46F']:
|
||
self.assertFalse(ch.isnumeric(), '{!a} is not numeric.'.format(ch))
|
||
for ch in ['\U00011065', '\U0001D7F6', '\U00011066',
|
||
'\U000104A0', '\U0001F107']:
|
||
self.assertTrue(ch.isnumeric(), '{!a} is numeric.'.format(ch))
|
||
|
||
def test_isidentifier(self):
|
||
self.assertTrue("a".isidentifier())
|
||
self.assertTrue("Z".isidentifier())
|
||
self.assertTrue("_".isidentifier())
|
||
self.assertTrue("b0".isidentifier())
|
||
self.assertTrue("bc".isidentifier())
|
||
self.assertTrue("b_".isidentifier())
|
||
self.assertTrue("µ".isidentifier())
|
||
self.assertTrue("𝔘𝔫𝔦𝔠𝔬𝔡𝔢".isidentifier())
|
||
|
||
self.assertFalse(" ".isidentifier())
|
||
self.assertFalse("[".isidentifier())
|
||
self.assertFalse("©".isidentifier())
|
||
self.assertFalse("0".isidentifier())
|
||
|
||
@support.cpython_only
|
||
@support.requires_legacy_unicode_capi
|
||
def test_isidentifier_legacy(self):
|
||
import _testcapi
|
||
u = '𝖀𝖓𝖎𝖈𝖔𝖉𝖊'
|
||
self.assertTrue(u.isidentifier())
|
||
with warnings_helper.check_warnings():
|
||
warnings.simplefilter('ignore', DeprecationWarning)
|
||
self.assertTrue(_testcapi.unicode_legacy_string(u).isidentifier())
|
||
|
||
def test_isprintable(self):
|
||
self.assertTrue("".isprintable())
|
||
self.assertTrue(" ".isprintable())
|
||
self.assertTrue("abcdefg".isprintable())
|
||
self.assertFalse("abcdefg\n".isprintable())
|
||
# some defined Unicode character
|
||
self.assertTrue("\u0374".isprintable())
|
||
# undefined character
|
||
self.assertFalse("\u0378".isprintable())
|
||
# single surrogate character
|
||
self.assertFalse("\ud800".isprintable())
|
||
|
||
self.assertTrue('\U0001F46F'.isprintable())
|
||
self.assertFalse('\U000E0020'.isprintable())
|
||
|
||
def test_surrogates(self):
|
||
for s in ('a\uD800b\uDFFF', 'a\uDFFFb\uD800',
|
||
'a\uD800b\uDFFFa', 'a\uDFFFb\uD800a'):
|
||
self.assertTrue(s.islower())
|
||
self.assertFalse(s.isupper())
|
||
self.assertFalse(s.istitle())
|
||
for s in ('A\uD800B\uDFFF', 'A\uDFFFB\uD800',
|
||
'A\uD800B\uDFFFA', 'A\uDFFFB\uD800A'):
|
||
self.assertFalse(s.islower())
|
||
self.assertTrue(s.isupper())
|
||
self.assertTrue(s.istitle())
|
||
|
||
for meth_name in ('islower', 'isupper', 'istitle'):
|
||
meth = getattr(str, meth_name)
|
||
for s in ('\uD800', '\uDFFF', '\uD800\uD800', '\uDFFF\uDFFF'):
|
||
self.assertFalse(meth(s), '%a.%s() is False' % (s, meth_name))
|
||
|
||
for meth_name in ('isalpha', 'isalnum', 'isdigit', 'isspace',
|
||
'isdecimal', 'isnumeric',
|
||
'isidentifier', 'isprintable'):
|
||
meth = getattr(str, meth_name)
|
||
for s in ('\uD800', '\uDFFF', '\uD800\uD800', '\uDFFF\uDFFF',
|
||
'a\uD800b\uDFFF', 'a\uDFFFb\uD800',
|
||
'a\uD800b\uDFFFa', 'a\uDFFFb\uD800a'):
|
||
self.assertFalse(meth(s), '%a.%s() is False' % (s, meth_name))
|
||
|
||
|
||
def test_lower(self):
|
||
string_tests.CommonTest.test_lower(self)
|
||
self.assertEqual('\U00010427'.lower(), '\U0001044F')
|
||
self.assertEqual('\U00010427\U00010427'.lower(),
|
||
'\U0001044F\U0001044F')
|
||
self.assertEqual('\U00010427\U0001044F'.lower(),
|
||
'\U0001044F\U0001044F')
|
||
self.assertEqual('X\U00010427x\U0001044F'.lower(),
|
||
'x\U0001044Fx\U0001044F')
|
||
self.assertEqual('fi'.lower(), 'fi')
|
||
self.assertEqual('\u0130'.lower(), '\u0069\u0307')
|
||
# Special case for GREEK CAPITAL LETTER SIGMA U+03A3
|
||
self.assertEqual('\u03a3'.lower(), '\u03c3')
|
||
self.assertEqual('\u0345\u03a3'.lower(), '\u0345\u03c3')
|
||
self.assertEqual('A\u0345\u03a3'.lower(), 'a\u0345\u03c2')
|
||
self.assertEqual('A\u0345\u03a3a'.lower(), 'a\u0345\u03c3a')
|
||
self.assertEqual('A\u0345\u03a3'.lower(), 'a\u0345\u03c2')
|
||
self.assertEqual('A\u03a3\u0345'.lower(), 'a\u03c2\u0345')
|
||
self.assertEqual('\u03a3\u0345 '.lower(), '\u03c3\u0345 ')
|
||
self.assertEqual('\U0008fffe'.lower(), '\U0008fffe')
|
||
self.assertEqual('\u2177'.lower(), '\u2177')
|
||
|
||
def test_casefold(self):
|
||
self.assertEqual('hello'.casefold(), 'hello')
|
||
self.assertEqual('hELlo'.casefold(), 'hello')
|
||
self.assertEqual('ß'.casefold(), 'ss')
|
||
self.assertEqual('fi'.casefold(), 'fi')
|
||
self.assertEqual('\u03a3'.casefold(), '\u03c3')
|
||
self.assertEqual('A\u0345\u03a3'.casefold(), 'a\u03b9\u03c3')
|
||
self.assertEqual('\u00b5'.casefold(), '\u03bc')
|
||
|
||
def test_upper(self):
|
||
string_tests.CommonTest.test_upper(self)
|
||
self.assertEqual('\U0001044F'.upper(), '\U00010427')
|
||
self.assertEqual('\U0001044F\U0001044F'.upper(),
|
||
'\U00010427\U00010427')
|
||
self.assertEqual('\U00010427\U0001044F'.upper(),
|
||
'\U00010427\U00010427')
|
||
self.assertEqual('X\U00010427x\U0001044F'.upper(),
|
||
'X\U00010427X\U00010427')
|
||
self.assertEqual('fi'.upper(), 'FI')
|
||
self.assertEqual('\u0130'.upper(), '\u0130')
|
||
self.assertEqual('\u03a3'.upper(), '\u03a3')
|
||
self.assertEqual('ß'.upper(), 'SS')
|
||
self.assertEqual('\u1fd2'.upper(), '\u0399\u0308\u0300')
|
||
self.assertEqual('\U0008fffe'.upper(), '\U0008fffe')
|
||
self.assertEqual('\u2177'.upper(), '\u2167')
|
||
|
||
def test_capitalize(self):
|
||
string_tests.CommonTest.test_capitalize(self)
|
||
self.assertEqual('\U0001044F'.capitalize(), '\U00010427')
|
||
self.assertEqual('\U0001044F\U0001044F'.capitalize(),
|
||
'\U00010427\U0001044F')
|
||
self.assertEqual('\U00010427\U0001044F'.capitalize(),
|
||
'\U00010427\U0001044F')
|
||
self.assertEqual('\U0001044F\U00010427'.capitalize(),
|
||
'\U00010427\U0001044F')
|
||
self.assertEqual('X\U00010427x\U0001044F'.capitalize(),
|
||
'X\U0001044Fx\U0001044F')
|
||
self.assertEqual('h\u0130'.capitalize(), 'H\u0069\u0307')
|
||
exp = '\u0399\u0308\u0300\u0069\u0307'
|
||
self.assertEqual('\u1fd2\u0130'.capitalize(), exp)
|
||
self.assertEqual('finnish'.capitalize(), 'Finnish')
|
||
self.assertEqual('A\u0345\u03a3'.capitalize(), 'A\u0345\u03c2')
|
||
|
||
def test_title(self):
|
||
super().test_title()
|
||
self.assertEqual('\U0001044F'.title(), '\U00010427')
|
||
self.assertEqual('\U0001044F\U0001044F'.title(),
|
||
'\U00010427\U0001044F')
|
||
self.assertEqual('\U0001044F\U0001044F \U0001044F\U0001044F'.title(),
|
||
'\U00010427\U0001044F \U00010427\U0001044F')
|
||
self.assertEqual('\U00010427\U0001044F \U00010427\U0001044F'.title(),
|
||
'\U00010427\U0001044F \U00010427\U0001044F')
|
||
self.assertEqual('\U0001044F\U00010427 \U0001044F\U00010427'.title(),
|
||
'\U00010427\U0001044F \U00010427\U0001044F')
|
||
self.assertEqual('X\U00010427x\U0001044F X\U00010427x\U0001044F'.title(),
|
||
'X\U0001044Fx\U0001044F X\U0001044Fx\U0001044F')
|
||
self.assertEqual('fiNNISH'.title(), 'Finnish')
|
||
self.assertEqual('A\u03a3 \u1fa1xy'.title(), 'A\u03c2 \u1fa9xy')
|
||
self.assertEqual('A\u03a3A'.title(), 'A\u03c3a')
|
||
|
||
def test_swapcase(self):
|
||
string_tests.CommonTest.test_swapcase(self)
|
||
self.assertEqual('\U0001044F'.swapcase(), '\U00010427')
|
||
self.assertEqual('\U00010427'.swapcase(), '\U0001044F')
|
||
self.assertEqual('\U0001044F\U0001044F'.swapcase(),
|
||
'\U00010427\U00010427')
|
||
self.assertEqual('\U00010427\U0001044F'.swapcase(),
|
||
'\U0001044F\U00010427')
|
||
self.assertEqual('\U0001044F\U00010427'.swapcase(),
|
||
'\U00010427\U0001044F')
|
||
self.assertEqual('X\U00010427x\U0001044F'.swapcase(),
|
||
'x\U0001044FX\U00010427')
|
||
self.assertEqual('fi'.swapcase(), 'FI')
|
||
self.assertEqual('\u0130'.swapcase(), '\u0069\u0307')
|
||
# Special case for GREEK CAPITAL LETTER SIGMA U+03A3
|
||
self.assertEqual('\u03a3'.swapcase(), '\u03c3')
|
||
self.assertEqual('\u0345\u03a3'.swapcase(), '\u0399\u03c3')
|
||
self.assertEqual('A\u0345\u03a3'.swapcase(), 'a\u0399\u03c2')
|
||
self.assertEqual('A\u0345\u03a3a'.swapcase(), 'a\u0399\u03c3A')
|
||
self.assertEqual('A\u0345\u03a3'.swapcase(), 'a\u0399\u03c2')
|
||
self.assertEqual('A\u03a3\u0345'.swapcase(), 'a\u03c2\u0399')
|
||
self.assertEqual('\u03a3\u0345 '.swapcase(), '\u03c3\u0399 ')
|
||
self.assertEqual('\u03a3'.swapcase(), '\u03c3')
|
||
self.assertEqual('ß'.swapcase(), 'SS')
|
||
self.assertEqual('\u1fd2'.swapcase(), '\u0399\u0308\u0300')
|
||
|
||
def test_center(self):
|
||
string_tests.CommonTest.test_center(self)
|
||
self.assertEqual('x'.center(2, '\U0010FFFF'),
|
||
'x\U0010FFFF')
|
||
self.assertEqual('x'.center(3, '\U0010FFFF'),
|
||
'\U0010FFFFx\U0010FFFF')
|
||
self.assertEqual('x'.center(4, '\U0010FFFF'),
|
||
'\U0010FFFFx\U0010FFFF\U0010FFFF')
|
||
|
||
@unittest.skipUnless(sys.maxsize == 2**31 - 1, "requires 32-bit system")
|
||
@support.cpython_only
|
||
def test_case_operation_overflow(self):
|
||
# Issue #22643
|
||
size = 2**32//12 + 1
|
||
try:
|
||
s = "ü" * size
|
||
except MemoryError:
|
||
self.skipTest('no enough memory (%.0f MiB required)' % (size / 2**20))
|
||
try:
|
||
self.assertRaises(OverflowError, s.upper)
|
||
finally:
|
||
del s
|
||
|
||
def test_contains(self):
|
||
# Testing Unicode contains method
|
||
self.assertIn('a', 'abdb')
|
||
self.assertIn('a', 'bdab')
|
||
self.assertIn('a', 'bdaba')
|
||
self.assertIn('a', 'bdba')
|
||
self.assertNotIn('a', 'bdb')
|
||
self.assertIn('a', 'bdba')
|
||
self.assertIn('a', ('a',1,None))
|
||
self.assertIn('a', (1,None,'a'))
|
||
self.assertIn('a', ('a',1,None))
|
||
self.assertIn('a', (1,None,'a'))
|
||
self.assertNotIn('a', ('x',1,'y'))
|
||
self.assertNotIn('a', ('x',1,None))
|
||
self.assertNotIn('abcd', 'abcxxxx')
|
||
self.assertIn('ab', 'abcd')
|
||
self.assertIn('ab', 'abc')
|
||
self.assertIn('ab', (1,None,'ab'))
|
||
self.assertIn('', 'abc')
|
||
self.assertIn('', '')
|
||
self.assertIn('', 'abc')
|
||
self.assertNotIn('\0', 'abc')
|
||
self.assertIn('\0', '\0abc')
|
||
self.assertIn('\0', 'abc\0')
|
||
self.assertIn('a', '\0abc')
|
||
self.assertIn('asdf', 'asdf')
|
||
self.assertNotIn('asdf', 'asd')
|
||
self.assertNotIn('asdf', '')
|
||
|
||
self.assertRaises(TypeError, "abc".__contains__)
|
||
# test mixed kinds
|
||
for fill in ('a', '\u0100', '\U00010300'):
|
||
fill *= 9
|
||
for delim in ('c', '\u0102', '\U00010302'):
|
||
self.assertNotIn(delim, fill)
|
||
self.assertIn(delim, fill + delim)
|
||
self.assertNotIn(delim * 2, fill)
|
||
self.assertIn(delim * 2, fill + delim * 2)
|
||
|
||
def test_issue18183(self):
|
||
'\U00010000\U00100000'.lower()
|
||
'\U00010000\U00100000'.casefold()
|
||
'\U00010000\U00100000'.upper()
|
||
'\U00010000\U00100000'.capitalize()
|
||
'\U00010000\U00100000'.title()
|
||
'\U00010000\U00100000'.swapcase()
|
||
'\U00100000'.center(3, '\U00010000')
|
||
'\U00100000'.ljust(3, '\U00010000')
|
||
'\U00100000'.rjust(3, '\U00010000')
|
||
|
||
def test_format(self):
|
||
self.assertEqual(''.format(), '')
|
||
self.assertEqual('a'.format(), 'a')
|
||
self.assertEqual('ab'.format(), 'ab')
|
||
self.assertEqual('a{{'.format(), 'a{')
|
||
self.assertEqual('a}}'.format(), 'a}')
|
||
self.assertEqual('{{b'.format(), '{b')
|
||
self.assertEqual('}}b'.format(), '}b')
|
||
self.assertEqual('a{{b'.format(), 'a{b')
|
||
|
||
# examples from the PEP:
|
||
import datetime
|
||
self.assertEqual("My name is {0}".format('Fred'), "My name is Fred")
|
||
self.assertEqual("My name is {0[name]}".format(dict(name='Fred')),
|
||
"My name is Fred")
|
||
self.assertEqual("My name is {0} :-{{}}".format('Fred'),
|
||
"My name is Fred :-{}")
|
||
|
||
d = datetime.date(2007, 8, 18)
|
||
self.assertEqual("The year is {0.year}".format(d),
|
||
"The year is 2007")
|
||
|
||
# classes we'll use for testing
|
||
class C:
|
||
def __init__(self, x=100):
|
||
self._x = x
|
||
def __format__(self, spec):
|
||
return spec
|
||
|
||
class D:
|
||
def __init__(self, x):
|
||
self.x = x
|
||
def __format__(self, spec):
|
||
return str(self.x)
|
||
|
||
# class with __str__, but no __format__
|
||
class E:
|
||
def __init__(self, x):
|
||
self.x = x
|
||
def __str__(self):
|
||
return 'E(' + self.x + ')'
|
||
|
||
# class with __repr__, but no __format__ or __str__
|
||
class F:
|
||
def __init__(self, x):
|
||
self.x = x
|
||
def __repr__(self):
|
||
return 'F(' + self.x + ')'
|
||
|
||
# class with __format__ that forwards to string, for some format_spec's
|
||
class G:
|
||
def __init__(self, x):
|
||
self.x = x
|
||
def __str__(self):
|
||
return "string is " + self.x
|
||
def __format__(self, format_spec):
|
||
if format_spec == 'd':
|
||
return 'G(' + self.x + ')'
|
||
return object.__format__(self, format_spec)
|
||
|
||
class I(datetime.date):
|
||
def __format__(self, format_spec):
|
||
return self.strftime(format_spec)
|
||
|
||
class J(int):
|
||
def __format__(self, format_spec):
|
||
return int.__format__(self * 2, format_spec)
|
||
|
||
class M:
|
||
def __init__(self, x):
|
||
self.x = x
|
||
def __repr__(self):
|
||
return 'M(' + self.x + ')'
|
||
__str__ = None
|
||
|
||
class N:
|
||
def __init__(self, x):
|
||
self.x = x
|
||
def __repr__(self):
|
||
return 'N(' + self.x + ')'
|
||
__format__ = None
|
||
|
||
self.assertEqual(''.format(), '')
|
||
self.assertEqual('abc'.format(), 'abc')
|
||
self.assertEqual('{0}'.format('abc'), 'abc')
|
||
self.assertEqual('{0:}'.format('abc'), 'abc')
|
||
# self.assertEqual('{ 0 }'.format('abc'), 'abc')
|
||
self.assertEqual('X{0}'.format('abc'), 'Xabc')
|
||
self.assertEqual('{0}X'.format('abc'), 'abcX')
|
||
self.assertEqual('X{0}Y'.format('abc'), 'XabcY')
|
||
self.assertEqual('{1}'.format(1, 'abc'), 'abc')
|
||
self.assertEqual('X{1}'.format(1, 'abc'), 'Xabc')
|
||
self.assertEqual('{1}X'.format(1, 'abc'), 'abcX')
|
||
self.assertEqual('X{1}Y'.format(1, 'abc'), 'XabcY')
|
||
self.assertEqual('{0}'.format(-15), '-15')
|
||
self.assertEqual('{0}{1}'.format(-15, 'abc'), '-15abc')
|
||
self.assertEqual('{0}X{1}'.format(-15, 'abc'), '-15Xabc')
|
||
self.assertEqual('{{'.format(), '{')
|
||
self.assertEqual('}}'.format(), '}')
|
||
self.assertEqual('{{}}'.format(), '{}')
|
||
self.assertEqual('{{x}}'.format(), '{x}')
|
||
self.assertEqual('{{{0}}}'.format(123), '{123}')
|
||
self.assertEqual('{{{{0}}}}'.format(), '{{0}}')
|
||
self.assertEqual('}}{{'.format(), '}{')
|
||
self.assertEqual('}}x{{'.format(), '}x{')
|
||
|
||
# weird field names
|
||
self.assertEqual("{0[foo-bar]}".format({'foo-bar':'baz'}), 'baz')
|
||
self.assertEqual("{0[foo bar]}".format({'foo bar':'baz'}), 'baz')
|
||
self.assertEqual("{0[ ]}".format({' ':3}), '3')
|
||
|
||
self.assertEqual('{foo._x}'.format(foo=C(20)), '20')
|
||
self.assertEqual('{1}{0}'.format(D(10), D(20)), '2010')
|
||
self.assertEqual('{0._x.x}'.format(C(D('abc'))), 'abc')
|
||
self.assertEqual('{0[0]}'.format(['abc', 'def']), 'abc')
|
||
self.assertEqual('{0[1]}'.format(['abc', 'def']), 'def')
|
||
self.assertEqual('{0[1][0]}'.format(['abc', ['def']]), 'def')
|
||
self.assertEqual('{0[1][0].x}'.format(['abc', [D('def')]]), 'def')
|
||
|
||
# strings
|
||
self.assertEqual('{0:.3s}'.format('abc'), 'abc')
|
||
self.assertEqual('{0:.3s}'.format('ab'), 'ab')
|
||
self.assertEqual('{0:.3s}'.format('abcdef'), 'abc')
|
||
self.assertEqual('{0:.0s}'.format('abcdef'), '')
|
||
self.assertEqual('{0:3.3s}'.format('abc'), 'abc')
|
||
self.assertEqual('{0:2.3s}'.format('abc'), 'abc')
|
||
self.assertEqual('{0:2.2s}'.format('abc'), 'ab')
|
||
self.assertEqual('{0:3.2s}'.format('abc'), 'ab ')
|
||
self.assertEqual('{0:x<0s}'.format('result'), 'result')
|
||
self.assertEqual('{0:x<5s}'.format('result'), 'result')
|
||
self.assertEqual('{0:x<6s}'.format('result'), 'result')
|
||
self.assertEqual('{0:x<7s}'.format('result'), 'resultx')
|
||
self.assertEqual('{0:x<8s}'.format('result'), 'resultxx')
|
||
self.assertEqual('{0: <7s}'.format('result'), 'result ')
|
||
self.assertEqual('{0:<7s}'.format('result'), 'result ')
|
||
self.assertEqual('{0:>7s}'.format('result'), ' result')
|
||
self.assertEqual('{0:>8s}'.format('result'), ' result')
|
||
self.assertEqual('{0:^8s}'.format('result'), ' result ')
|
||
self.assertEqual('{0:^9s}'.format('result'), ' result ')
|
||
self.assertEqual('{0:^10s}'.format('result'), ' result ')
|
||
self.assertEqual('{0:8s}'.format('result'), 'result ')
|
||
self.assertEqual('{0:0s}'.format('result'), 'result')
|
||
self.assertEqual('{0:08s}'.format('result'), 'result00')
|
||
self.assertEqual('{0:<08s}'.format('result'), 'result00')
|
||
self.assertEqual('{0:>08s}'.format('result'), '00result')
|
||
self.assertEqual('{0:^08s}'.format('result'), '0result0')
|
||
self.assertEqual('{0:10000}'.format('a'), 'a' + ' ' * 9999)
|
||
self.assertEqual('{0:10000}'.format(''), ' ' * 10000)
|
||
self.assertEqual('{0:10000000}'.format(''), ' ' * 10000000)
|
||
|
||
# issue 12546: use \x00 as a fill character
|
||
self.assertEqual('{0:\x00<6s}'.format('foo'), 'foo\x00\x00\x00')
|
||
self.assertEqual('{0:\x01<6s}'.format('foo'), 'foo\x01\x01\x01')
|
||
self.assertEqual('{0:\x00^6s}'.format('foo'), '\x00foo\x00\x00')
|
||
self.assertEqual('{0:^6s}'.format('foo'), ' foo ')
|
||
|
||
self.assertEqual('{0:\x00<6}'.format(3), '3\x00\x00\x00\x00\x00')
|
||
self.assertEqual('{0:\x01<6}'.format(3), '3\x01\x01\x01\x01\x01')
|
||
self.assertEqual('{0:\x00^6}'.format(3), '\x00\x003\x00\x00\x00')
|
||
self.assertEqual('{0:<6}'.format(3), '3 ')
|
||
|
||
self.assertEqual('{0:\x00<6}'.format(3.14), '3.14\x00\x00')
|
||
self.assertEqual('{0:\x01<6}'.format(3.14), '3.14\x01\x01')
|
||
self.assertEqual('{0:\x00^6}'.format(3.14), '\x003.14\x00')
|
||
self.assertEqual('{0:^6}'.format(3.14), ' 3.14 ')
|
||
|
||
self.assertEqual('{0:\x00<12}'.format(3+2.0j), '(3+2j)\x00\x00\x00\x00\x00\x00')
|
||
self.assertEqual('{0:\x01<12}'.format(3+2.0j), '(3+2j)\x01\x01\x01\x01\x01\x01')
|
||
self.assertEqual('{0:\x00^12}'.format(3+2.0j), '\x00\x00\x00(3+2j)\x00\x00\x00')
|
||
self.assertEqual('{0:^12}'.format(3+2.0j), ' (3+2j) ')
|
||
|
||
# format specifiers for user defined type
|
||
self.assertEqual('{0:abc}'.format(C()), 'abc')
|
||
|
||
# !r, !s and !a coercions
|
||
self.assertEqual('{0!s}'.format('Hello'), 'Hello')
|
||
self.assertEqual('{0!s:}'.format('Hello'), 'Hello')
|
||
self.assertEqual('{0!s:15}'.format('Hello'), 'Hello ')
|
||
self.assertEqual('{0!s:15s}'.format('Hello'), 'Hello ')
|
||
self.assertEqual('{0!r}'.format('Hello'), "'Hello'")
|
||
self.assertEqual('{0!r:}'.format('Hello'), "'Hello'")
|
||
self.assertEqual('{0!r}'.format(F('Hello')), 'F(Hello)')
|
||
self.assertEqual('{0!r}'.format('\u0378'), "'\\u0378'") # nonprintable
|
||
self.assertEqual('{0!r}'.format('\u0374'), "'\u0374'") # printable
|
||
self.assertEqual('{0!r}'.format(F('\u0374')), 'F(\u0374)')
|
||
self.assertEqual('{0!a}'.format('Hello'), "'Hello'")
|
||
self.assertEqual('{0!a}'.format('\u0378'), "'\\u0378'") # nonprintable
|
||
self.assertEqual('{0!a}'.format('\u0374'), "'\\u0374'") # printable
|
||
self.assertEqual('{0!a:}'.format('Hello'), "'Hello'")
|
||
self.assertEqual('{0!a}'.format(F('Hello')), 'F(Hello)')
|
||
self.assertEqual('{0!a}'.format(F('\u0374')), 'F(\\u0374)')
|
||
|
||
# test fallback to object.__format__
|
||
self.assertEqual('{0}'.format({}), '{}')
|
||
self.assertEqual('{0}'.format([]), '[]')
|
||
self.assertEqual('{0}'.format([1]), '[1]')
|
||
|
||
self.assertEqual('{0:d}'.format(G('data')), 'G(data)')
|
||
self.assertEqual('{0!s}'.format(G('data')), 'string is data')
|
||
|
||
self.assertRaises(TypeError, '{0:^10}'.format, E('data'))
|
||
self.assertRaises(TypeError, '{0:^10s}'.format, E('data'))
|
||
self.assertRaises(TypeError, '{0:>15s}'.format, G('data'))
|
||
|
||
self.assertEqual("{0:date: %Y-%m-%d}".format(I(year=2007,
|
||
month=8,
|
||
day=27)),
|
||
"date: 2007-08-27")
|
||
|
||
# test deriving from a builtin type and overriding __format__
|
||
self.assertEqual("{0}".format(J(10)), "20")
|
||
|
||
|
||
# string format specifiers
|
||
self.assertEqual('{0:}'.format('a'), 'a')
|
||
|
||
# computed format specifiers
|
||
self.assertEqual("{0:.{1}}".format('hello world', 5), 'hello')
|
||
self.assertEqual("{0:.{1}s}".format('hello world', 5), 'hello')
|
||
self.assertEqual("{0:.{precision}s}".format('hello world', precision=5), 'hello')
|
||
self.assertEqual("{0:{width}.{precision}s}".format('hello world', width=10, precision=5), 'hello ')
|
||
self.assertEqual("{0:{width}.{precision}s}".format('hello world', width='10', precision='5'), 'hello ')
|
||
|
||
# test various errors
|
||
self.assertRaises(ValueError, '{'.format)
|
||
self.assertRaises(ValueError, '}'.format)
|
||
self.assertRaises(ValueError, 'a{'.format)
|
||
self.assertRaises(ValueError, 'a}'.format)
|
||
self.assertRaises(ValueError, '{a'.format)
|
||
self.assertRaises(ValueError, '}a'.format)
|
||
self.assertRaises(IndexError, '{0}'.format)
|
||
self.assertRaises(IndexError, '{1}'.format, 'abc')
|
||
self.assertRaises(KeyError, '{x}'.format)
|
||
self.assertRaises(ValueError, "}{".format)
|
||
self.assertRaises(ValueError, "abc{0:{}".format)
|
||
self.assertRaises(ValueError, "{0".format)
|
||
self.assertRaises(IndexError, "{0.}".format)
|
||
self.assertRaises(ValueError, "{0.}".format, 0)
|
||
self.assertRaises(ValueError, "{0[}".format)
|
||
self.assertRaises(ValueError, "{0[}".format, [])
|
||
self.assertRaises(KeyError, "{0]}".format)
|
||
self.assertRaises(ValueError, "{0.[]}".format, 0)
|
||
self.assertRaises(ValueError, "{0..foo}".format, 0)
|
||
self.assertRaises(ValueError, "{0[0}".format, 0)
|
||
self.assertRaises(ValueError, "{0[0:foo}".format, 0)
|
||
self.assertRaises(KeyError, "{c]}".format)
|
||
self.assertRaises(ValueError, "{{ {{{0}}".format, 0)
|
||
self.assertRaises(ValueError, "{0}}".format, 0)
|
||
self.assertRaises(KeyError, "{foo}".format, bar=3)
|
||
self.assertRaises(ValueError, "{0!x}".format, 3)
|
||
self.assertRaises(ValueError, "{0!}".format, 0)
|
||
self.assertRaises(ValueError, "{0!rs}".format, 0)
|
||
self.assertRaises(ValueError, "{!}".format)
|
||
self.assertRaises(IndexError, "{:}".format)
|
||
self.assertRaises(IndexError, "{:s}".format)
|
||
self.assertRaises(IndexError, "{}".format)
|
||
big = "23098475029384702983476098230754973209482573"
|
||
self.assertRaises(ValueError, ("{" + big + "}").format)
|
||
self.assertRaises(ValueError, ("{[" + big + "]}").format, [0])
|
||
|
||
# issue 6089
|
||
self.assertRaises(ValueError, "{0[0]x}".format, [None])
|
||
self.assertRaises(ValueError, "{0[0](10)}".format, [None])
|
||
|
||
# can't have a replacement on the field name portion
|
||
self.assertRaises(TypeError, '{0[{1}]}'.format, 'abcdefg', 4)
|
||
|
||
# exceed maximum recursion depth
|
||
self.assertRaises(ValueError, "{0:{1:{2}}}".format, 'abc', 's', '')
|
||
self.assertRaises(ValueError, "{0:{1:{2:{3:{4:{5:{6}}}}}}}".format,
|
||
0, 1, 2, 3, 4, 5, 6, 7)
|
||
|
||
# string format spec errors
|
||
sign_msg = "Sign not allowed in string format specifier"
|
||
self.assertRaisesRegex(ValueError, sign_msg, "{0:-s}".format, '')
|
||
self.assertRaisesRegex(ValueError, sign_msg, format, "", "-")
|
||
space_msg = "Space not allowed in string format specifier"
|
||
self.assertRaisesRegex(ValueError, space_msg, "{: }".format, '')
|
||
self.assertRaises(ValueError, "{0:=s}".format, '')
|
||
|
||
# Alternate formatting is not supported
|
||
self.assertRaises(ValueError, format, '', '#')
|
||
self.assertRaises(ValueError, format, '', '#20')
|
||
|
||
# Non-ASCII
|
||
self.assertEqual("{0:s}{1:s}".format("ABC", "\u0410\u0411\u0412"),
|
||
'ABC\u0410\u0411\u0412')
|
||
self.assertEqual("{0:.3s}".format("ABC\u0410\u0411\u0412"),
|
||
'ABC')
|
||
self.assertEqual("{0:.0s}".format("ABC\u0410\u0411\u0412"),
|
||
'')
|
||
|
||
self.assertEqual("{[{}]}".format({"{}": 5}), "5")
|
||
self.assertEqual("{[{}]}".format({"{}" : "a"}), "a")
|
||
self.assertEqual("{[{]}".format({"{" : "a"}), "a")
|
||
self.assertEqual("{[}]}".format({"}" : "a"}), "a")
|
||
self.assertEqual("{[[]}".format({"[" : "a"}), "a")
|
||
self.assertEqual("{[!]}".format({"!" : "a"}), "a")
|
||
self.assertRaises(ValueError, "{a{}b}".format, 42)
|
||
self.assertRaises(ValueError, "{a{b}".format, 42)
|
||
self.assertRaises(ValueError, "{[}".format, 42)
|
||
|
||
self.assertEqual("0x{:0{:d}X}".format(0x0,16), "0x0000000000000000")
|
||
|
||
# Blocking fallback
|
||
m = M('data')
|
||
self.assertEqual("{!r}".format(m), 'M(data)')
|
||
self.assertRaises(TypeError, "{!s}".format, m)
|
||
self.assertRaises(TypeError, "{}".format, m)
|
||
n = N('data')
|
||
self.assertEqual("{!r}".format(n), 'N(data)')
|
||
self.assertEqual("{!s}".format(n), 'N(data)')
|
||
self.assertRaises(TypeError, "{}".format, n)
|
||
|
||
def test_format_map(self):
|
||
self.assertEqual(''.format_map({}), '')
|
||
self.assertEqual('a'.format_map({}), 'a')
|
||
self.assertEqual('ab'.format_map({}), 'ab')
|
||
self.assertEqual('a{{'.format_map({}), 'a{')
|
||
self.assertEqual('a}}'.format_map({}), 'a}')
|
||
self.assertEqual('{{b'.format_map({}), '{b')
|
||
self.assertEqual('}}b'.format_map({}), '}b')
|
||
self.assertEqual('a{{b'.format_map({}), 'a{b')
|
||
|
||
# using mappings
|
||
class Mapping(dict):
|
||
def __missing__(self, key):
|
||
return key
|
||
self.assertEqual('{hello}'.format_map(Mapping()), 'hello')
|
||
self.assertEqual('{a} {world}'.format_map(Mapping(a='hello')), 'hello world')
|
||
|
||
class InternalMapping:
|
||
def __init__(self):
|
||
self.mapping = {'a': 'hello'}
|
||
def __getitem__(self, key):
|
||
return self.mapping[key]
|
||
self.assertEqual('{a}'.format_map(InternalMapping()), 'hello')
|
||
|
||
|
||
class C:
|
||
def __init__(self, x=100):
|
||
self._x = x
|
||
def __format__(self, spec):
|
||
return spec
|
||
self.assertEqual('{foo._x}'.format_map({'foo': C(20)}), '20')
|
||
|
||
# test various errors
|
||
self.assertRaises(TypeError, ''.format_map)
|
||
self.assertRaises(TypeError, 'a'.format_map)
|
||
|
||
self.assertRaises(ValueError, '{'.format_map, {})
|
||
self.assertRaises(ValueError, '}'.format_map, {})
|
||
self.assertRaises(ValueError, 'a{'.format_map, {})
|
||
self.assertRaises(ValueError, 'a}'.format_map, {})
|
||
self.assertRaises(ValueError, '{a'.format_map, {})
|
||
self.assertRaises(ValueError, '}a'.format_map, {})
|
||
|
||
# issue #12579: can't supply positional params to format_map
|
||
self.assertRaises(ValueError, '{}'.format_map, {'a' : 2})
|
||
self.assertRaises(ValueError, '{}'.format_map, 'a')
|
||
self.assertRaises(ValueError, '{a} {}'.format_map, {"a" : 2, "b" : 1})
|
||
|
||
class BadMapping:
|
||
def __getitem__(self, key):
|
||
return 1/0
|
||
self.assertRaises(KeyError, '{a}'.format_map, {})
|
||
self.assertRaises(TypeError, '{a}'.format_map, [])
|
||
self.assertRaises(ZeroDivisionError, '{a}'.format_map, BadMapping())
|
||
|
||
def test_format_huge_precision(self):
|
||
format_string = ".{}f".format(sys.maxsize + 1)
|
||
with self.assertRaises(ValueError):
|
||
result = format(2.34, format_string)
|
||
|
||
def test_format_huge_width(self):
|
||
format_string = "{}f".format(sys.maxsize + 1)
|
||
with self.assertRaises(ValueError):
|
||
result = format(2.34, format_string)
|
||
|
||
def test_format_huge_item_number(self):
|
||
format_string = "{{{}:.6f}}".format(sys.maxsize + 1)
|
||
with self.assertRaises(ValueError):
|
||
result = format_string.format(2.34)
|
||
|
||
def test_format_auto_numbering(self):
|
||
class C:
|
||
def __init__(self, x=100):
|
||
self._x = x
|
||
def __format__(self, spec):
|
||
return spec
|
||
|
||
self.assertEqual('{}'.format(10), '10')
|
||
self.assertEqual('{:5}'.format('s'), 's ')
|
||
self.assertEqual('{!r}'.format('s'), "'s'")
|
||
self.assertEqual('{._x}'.format(C(10)), '10')
|
||
self.assertEqual('{[1]}'.format([1, 2]), '2')
|
||
self.assertEqual('{[a]}'.format({'a':4, 'b':2}), '4')
|
||
self.assertEqual('a{}b{}c'.format(0, 1), 'a0b1c')
|
||
|
||
self.assertEqual('a{:{}}b'.format('x', '^10'), 'a x b')
|
||
self.assertEqual('a{:{}x}b'.format(20, '#'), 'a0x14b')
|
||
|
||
# can't mix and match numbering and auto-numbering
|
||
self.assertRaises(ValueError, '{}{1}'.format, 1, 2)
|
||
self.assertRaises(ValueError, '{1}{}'.format, 1, 2)
|
||
self.assertRaises(ValueError, '{:{1}}'.format, 1, 2)
|
||
self.assertRaises(ValueError, '{0:{}}'.format, 1, 2)
|
||
|
||
# can mix and match auto-numbering and named
|
||
self.assertEqual('{f}{}'.format(4, f='test'), 'test4')
|
||
self.assertEqual('{}{f}'.format(4, f='test'), '4test')
|
||
self.assertEqual('{:{f}}{g}{}'.format(1, 3, g='g', f=2), ' 1g3')
|
||
self.assertEqual('{f:{}}{}{g}'.format(2, 4, f=1, g='g'), ' 14g')
|
||
|
||
def test_formatting(self):
|
||
string_tests.MixinStrUnicodeUserStringTest.test_formatting(self)
|
||
# Testing Unicode formatting strings...
|
||
self.assertEqual("%s, %s" % ("abc", "abc"), 'abc, abc')
|
||
self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", 1, 2, 3), 'abc, abc, 1, 2.000000, 3.00')
|
||
self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", 1, -2, 3), 'abc, abc, 1, -2.000000, 3.00')
|
||
self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", -1, -2, 3.5), 'abc, abc, -1, -2.000000, 3.50')
|
||
self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", -1, -2, 3.57), 'abc, abc, -1, -2.000000, 3.57')
|
||
self.assertEqual("%s, %s, %i, %f, %5.2f" % ("abc", "abc", -1, -2, 1003.57), 'abc, abc, -1, -2.000000, 1003.57')
|
||
if not sys.platform.startswith('java'):
|
||
self.assertEqual("%r, %r" % (b"abc", "abc"), "b'abc', 'abc'")
|
||
self.assertEqual("%r" % ("\u1234",), "'\u1234'")
|
||
self.assertEqual("%a" % ("\u1234",), "'\\u1234'")
|
||
self.assertEqual("%(x)s, %(y)s" % {'x':"abc", 'y':"def"}, 'abc, def')
|
||
self.assertEqual("%(x)s, %(\xfc)s" % {'x':"abc", '\xfc':"def"}, 'abc, def')
|
||
|
||
self.assertEqual('%c' % 0x1234, '\u1234')
|
||
self.assertEqual('%c' % 0x21483, '\U00021483')
|
||
self.assertRaises(OverflowError, "%c".__mod__, (0x110000,))
|
||
self.assertEqual('%c' % '\U00021483', '\U00021483')
|
||
self.assertRaises(TypeError, "%c".__mod__, "aa")
|
||
self.assertRaises(ValueError, "%.1\u1032f".__mod__, (1.0/3))
|
||
self.assertRaises(TypeError, "%i".__mod__, "aa")
|
||
|
||
# formatting jobs delegated from the string implementation:
|
||
self.assertEqual('...%(foo)s...' % {'foo':"abc"}, '...abc...')
|
||
self.assertEqual('...%(foo)s...' % {'foo':"abc"}, '...abc...')
|
||
self.assertEqual('...%(foo)s...' % {'foo':"abc"}, '...abc...')
|
||
self.assertEqual('...%(foo)s...' % {'foo':"abc"}, '...abc...')
|
||
self.assertEqual('...%(foo)s...' % {'foo':"abc",'def':123}, '...abc...')
|
||
self.assertEqual('...%(foo)s...' % {'foo':"abc",'def':123}, '...abc...')
|
||
self.assertEqual('...%s...%s...%s...%s...' % (1,2,3,"abc"), '...1...2...3...abc...')
|
||
self.assertEqual('...%%...%%s...%s...%s...%s...%s...' % (1,2,3,"abc"), '...%...%s...1...2...3...abc...')
|
||
self.assertEqual('...%s...' % "abc", '...abc...')
|
||
self.assertEqual('%*s' % (5,'abc',), ' abc')
|
||
self.assertEqual('%*s' % (-5,'abc',), 'abc ')
|
||
self.assertEqual('%*.*s' % (5,2,'abc',), ' ab')
|
||
self.assertEqual('%*.*s' % (5,3,'abc',), ' abc')
|
||
self.assertEqual('%i %*.*s' % (10, 5,3,'abc',), '10 abc')
|
||
self.assertEqual('%i%s %*.*s' % (10, 3, 5, 3, 'abc',), '103 abc')
|
||
self.assertEqual('%c' % 'a', 'a')
|
||
class Wrapper:
|
||
def __str__(self):
|
||
return '\u1234'
|
||
self.assertEqual('%s' % Wrapper(), '\u1234')
|
||
|
||
# issue 3382
|
||
NAN = float('nan')
|
||
INF = float('inf')
|
||
self.assertEqual('%f' % NAN, 'nan')
|
||
self.assertEqual('%F' % NAN, 'NAN')
|
||
self.assertEqual('%f' % INF, 'inf')
|
||
self.assertEqual('%F' % INF, 'INF')
|
||
|
||
# PEP 393
|
||
self.assertEqual('%.1s' % "a\xe9\u20ac", 'a')
|
||
self.assertEqual('%.2s' % "a\xe9\u20ac", 'a\xe9')
|
||
|
||
#issue 19995
|
||
class PseudoInt:
|
||
def __init__(self, value):
|
||
self.value = int(value)
|
||
def __int__(self):
|
||
return self.value
|
||
def __index__(self):
|
||
return self.value
|
||
class PseudoFloat:
|
||
def __init__(self, value):
|
||
self.value = float(value)
|
||
def __int__(self):
|
||
return int(self.value)
|
||
pi = PseudoFloat(3.1415)
|
||
letter_m = PseudoInt(109)
|
||
self.assertEqual('%x' % 42, '2a')
|
||
self.assertEqual('%X' % 15, 'F')
|
||
self.assertEqual('%o' % 9, '11')
|
||
self.assertEqual('%c' % 109, 'm')
|
||
self.assertEqual('%x' % letter_m, '6d')
|
||
self.assertEqual('%X' % letter_m, '6D')
|
||
self.assertEqual('%o' % letter_m, '155')
|
||
self.assertEqual('%c' % letter_m, 'm')
|
||
self.assertRaisesRegex(TypeError, '%x format: an integer is required, not float', operator.mod, '%x', 3.14),
|
||
self.assertRaisesRegex(TypeError, '%X format: an integer is required, not float', operator.mod, '%X', 2.11),
|
||
self.assertRaisesRegex(TypeError, '%o format: an integer is required, not float', operator.mod, '%o', 1.79),
|
||
self.assertRaisesRegex(TypeError, '%x format: an integer is required, not PseudoFloat', operator.mod, '%x', pi),
|
||
self.assertRaises(TypeError, operator.mod, '%c', pi),
|
||
|
||
def test_formatting_with_enum(self):
|
||
# issue18780
|
||
import enum
|
||
class Float(float, enum.Enum):
|
||
PI = 3.1415926
|
||
class Int(enum.IntEnum):
|
||
IDES = 15
|
||
class Str(str, enum.Enum):
|
||
ABC = 'abc'
|
||
# Testing Unicode formatting strings...
|
||
self.assertEqual("%s, %s" % (Str.ABC, Str.ABC),
|
||
'Str.ABC, Str.ABC')
|
||
self.assertEqual("%s, %s, %d, %i, %u, %f, %5.2f" %
|
||
(Str.ABC, Str.ABC,
|
||
Int.IDES, Int.IDES, Int.IDES,
|
||
Float.PI, Float.PI),
|
||
'Str.ABC, Str.ABC, 15, 15, 15, 3.141593, 3.14')
|
||
|
||
# formatting jobs delegated from the string implementation:
|
||
self.assertEqual('...%(foo)s...' % {'foo':Str.ABC},
|
||
'...Str.ABC...')
|
||
self.assertEqual('...%(foo)s...' % {'foo':Int.IDES},
|
||
'...Int.IDES...')
|
||
self.assertEqual('...%(foo)i...' % {'foo':Int.IDES},
|
||
'...15...')
|
||
self.assertEqual('...%(foo)d...' % {'foo':Int.IDES},
|
||
'...15...')
|
||
self.assertEqual('...%(foo)u...' % {'foo':Int.IDES, 'def':Float.PI},
|
||
'...15...')
|
||
self.assertEqual('...%(foo)f...' % {'foo':Float.PI,'def':123},
|
||
'...3.141593...')
|
||
|
||
def test_formatting_huge_precision(self):
|
||
format_string = "%.{}f".format(sys.maxsize + 1)
|
||
with self.assertRaises(ValueError):
|
||
result = format_string % 2.34
|
||
|
||
def test_issue28598_strsubclass_rhs(self):
|
||
# A subclass of str with an __rmod__ method should be able to hook
|
||
# into the % operator
|
||
class SubclassedStr(str):
|
||
def __rmod__(self, other):
|
||
return 'Success, self.__rmod__({!r}) was called'.format(other)
|
||
self.assertEqual('lhs %% %r' % SubclassedStr('rhs'),
|
||
"Success, self.__rmod__('lhs %% %r') was called")
|
||
|
||
@support.cpython_only
|
||
def test_formatting_huge_precision_c_limits(self):
|
||
from _testcapi import INT_MAX
|
||
format_string = "%.{}f".format(INT_MAX + 1)
|
||
with self.assertRaises(ValueError):
|
||
result = format_string % 2.34
|
||
|
||
def test_formatting_huge_width(self):
|
||
format_string = "%{}f".format(sys.maxsize + 1)
|
||
with self.assertRaises(ValueError):
|
||
result = format_string % 2.34
|
||
|
||
def test_startswith_endswith_errors(self):
|
||
for meth in ('foo'.startswith, 'foo'.endswith):
|
||
with self.assertRaises(TypeError) as cm:
|
||
meth(['f'])
|
||
exc = str(cm.exception)
|
||
self.assertIn('str', exc)
|
||
self.assertIn('tuple', exc)
|
||
|
||
@support.run_with_locale('LC_ALL', 'de_DE', 'fr_FR')
|
||
def test_format_float(self):
|
||
# should not format with a comma, but always with C locale
|
||
self.assertEqual('1.0', '%.1f' % 1.0)
|
||
|
||
def test_constructor(self):
|
||
# unicode(obj) tests (this maps to PyObject_Unicode() at C level)
|
||
|
||
self.assertEqual(
|
||
str('unicode remains unicode'),
|
||
'unicode remains unicode'
|
||
)
|
||
|
||
for text in ('ascii', '\xe9', '\u20ac', '\U0010FFFF'):
|
||
subclass = StrSubclass(text)
|
||
self.assertEqual(str(subclass), text)
|
||
self.assertEqual(len(subclass), len(text))
|
||
if text == 'ascii':
|
||
self.assertEqual(subclass.encode('ascii'), b'ascii')
|
||
self.assertEqual(subclass.encode('utf-8'), b'ascii')
|
||
|
||
self.assertEqual(
|
||
str('strings are converted to unicode'),
|
||
'strings are converted to unicode'
|
||
)
|
||
|
||
class StringCompat:
|
||
def __init__(self, x):
|
||
self.x = x
|
||
def __str__(self):
|
||
return self.x
|
||
|
||
self.assertEqual(
|
||
str(StringCompat('__str__ compatible objects are recognized')),
|
||
'__str__ compatible objects are recognized'
|
||
)
|
||
|
||
# unicode(obj) is compatible to str():
|
||
|
||
o = StringCompat('unicode(obj) is compatible to str()')
|
||
self.assertEqual(str(o), 'unicode(obj) is compatible to str()')
|
||
self.assertEqual(str(o), 'unicode(obj) is compatible to str()')
|
||
|
||
for obj in (123, 123.45, 123):
|
||
self.assertEqual(str(obj), str(str(obj)))
|
||
|
||
# unicode(obj, encoding, error) tests (this maps to
|
||
# PyUnicode_FromEncodedObject() at C level)
|
||
|
||
if not sys.platform.startswith('java'):
|
||
self.assertRaises(
|
||
TypeError,
|
||
str,
|
||
'decoding unicode is not supported',
|
||
'utf-8',
|
||
'strict'
|
||
)
|
||
|
||
self.assertEqual(
|
||
str(b'strings are decoded to unicode', 'utf-8', 'strict'),
|
||
'strings are decoded to unicode'
|
||
)
|
||
|
||
if not sys.platform.startswith('java'):
|
||
self.assertEqual(
|
||
str(
|
||
memoryview(b'character buffers are decoded to unicode'),
|
||
'utf-8',
|
||
'strict'
|
||
),
|
||
'character buffers are decoded to unicode'
|
||
)
|
||
|
||
self.assertRaises(TypeError, str, 42, 42, 42)
|
||
|
||
def test_constructor_keyword_args(self):
|
||
"""Pass various keyword argument combinations to the constructor."""
|
||
# The object argument can be passed as a keyword.
|
||
self.assertEqual(str(object='foo'), 'foo')
|
||
self.assertEqual(str(object=b'foo', encoding='utf-8'), 'foo')
|
||
# The errors argument without encoding triggers "decode" mode.
|
||
self.assertEqual(str(b'foo', errors='strict'), 'foo') # not "b'foo'"
|
||
self.assertEqual(str(object=b'foo', errors='strict'), 'foo')
|
||
|
||
def test_constructor_defaults(self):
|
||
"""Check the constructor argument defaults."""
|
||
# The object argument defaults to '' or b''.
|
||
self.assertEqual(str(), '')
|
||
self.assertEqual(str(errors='strict'), '')
|
||
utf8_cent = '¢'.encode('utf-8')
|
||
# The encoding argument defaults to utf-8.
|
||
self.assertEqual(str(utf8_cent, errors='strict'), '¢')
|
||
# The errors argument defaults to strict.
|
||
self.assertRaises(UnicodeDecodeError, str, utf8_cent, encoding='ascii')
|
||
|
||
def test_codecs_utf7(self):
|
||
utfTests = [
|
||
('A\u2262\u0391.', b'A+ImIDkQ.'), # RFC2152 example
|
||
('Hi Mom -\u263a-!', b'Hi Mom -+Jjo--!'), # RFC2152 example
|
||
('\u65E5\u672C\u8A9E', b'+ZeVnLIqe-'), # RFC2152 example
|
||
('Item 3 is \u00a31.', b'Item 3 is +AKM-1.'), # RFC2152 example
|
||
('+', b'+-'),
|
||
('+-', b'+--'),
|
||
('+?', b'+-?'),
|
||
(r'\?', b'+AFw?'),
|
||
('+?', b'+-?'),
|
||
(r'\\?', b'+AFwAXA?'),
|
||
(r'\\\?', b'+AFwAXABc?'),
|
||
(r'++--', b'+-+---'),
|
||
('\U000abcde', b'+2m/c3g-'), # surrogate pairs
|
||
('/', b'/'),
|
||
]
|
||
|
||
for (x, y) in utfTests:
|
||
self.assertEqual(x.encode('utf-7'), y)
|
||
|
||
# Unpaired surrogates are passed through
|
||
self.assertEqual('\uD801'.encode('utf-7'), b'+2AE-')
|
||
self.assertEqual('\uD801x'.encode('utf-7'), b'+2AE-x')
|
||
self.assertEqual('\uDC01'.encode('utf-7'), b'+3AE-')
|
||
self.assertEqual('\uDC01x'.encode('utf-7'), b'+3AE-x')
|
||
self.assertEqual(b'+2AE-'.decode('utf-7'), '\uD801')
|
||
self.assertEqual(b'+2AE-x'.decode('utf-7'), '\uD801x')
|
||
self.assertEqual(b'+3AE-'.decode('utf-7'), '\uDC01')
|
||
self.assertEqual(b'+3AE-x'.decode('utf-7'), '\uDC01x')
|
||
|
||
self.assertEqual('\uD801\U000abcde'.encode('utf-7'), b'+2AHab9ze-')
|
||
self.assertEqual(b'+2AHab9ze-'.decode('utf-7'), '\uD801\U000abcde')
|
||
|
||
# Issue #2242: crash on some Windows/MSVC versions
|
||
self.assertEqual(b'+\xc1'.decode('utf-7', 'ignore'), '')
|
||
|
||
# Direct encoded characters
|
||
set_d = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'(),-./:?"
|
||
# Optional direct characters
|
||
set_o = '!"#$%&*;<=>@[]^_`{|}'
|
||
for c in set_d:
|
||
self.assertEqual(c.encode('utf7'), c.encode('ascii'))
|
||
self.assertEqual(c.encode('ascii').decode('utf7'), c)
|
||
for c in set_o:
|
||
self.assertEqual(c.encode('ascii').decode('utf7'), c)
|
||
|
||
with self.assertRaisesRegex(UnicodeDecodeError,
|
||
'ill-formed sequence'):
|
||
b'+@'.decode('utf-7')
|
||
|
||
def test_codecs_utf8(self):
|
||
self.assertEqual(''.encode('utf-8'), b'')
|
||
self.assertEqual('\u20ac'.encode('utf-8'), b'\xe2\x82\xac')
|
||
self.assertEqual('\U00010002'.encode('utf-8'), b'\xf0\x90\x80\x82')
|
||
self.assertEqual('\U00023456'.encode('utf-8'), b'\xf0\xa3\x91\x96')
|
||
self.assertEqual('\ud800'.encode('utf-8', 'surrogatepass'), b'\xed\xa0\x80')
|
||
self.assertEqual('\udc00'.encode('utf-8', 'surrogatepass'), b'\xed\xb0\x80')
|
||
self.assertEqual(('\U00010002'*10).encode('utf-8'),
|
||
b'\xf0\x90\x80\x82'*10)
|
||
self.assertEqual(
|
||
'\u6b63\u78ba\u306b\u8a00\u3046\u3068\u7ffb\u8a33\u306f'
|
||
'\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u4e00'
|
||
'\u90e8\u306f\u30c9\u30a4\u30c4\u8a9e\u3067\u3059\u304c'
|
||
'\u3001\u3042\u3068\u306f\u3067\u305f\u3089\u3081\u3067'
|
||
'\u3059\u3002\u5b9f\u969b\u306b\u306f\u300cWenn ist das'
|
||
' Nunstuck git und'.encode('utf-8'),
|
||
b'\xe6\xad\xa3\xe7\xa2\xba\xe3\x81\xab\xe8\xa8\x80\xe3\x81'
|
||
b'\x86\xe3\x81\xa8\xe7\xbf\xbb\xe8\xa8\xb3\xe3\x81\xaf\xe3'
|
||
b'\x81\x95\xe3\x82\x8c\xe3\x81\xa6\xe3\x81\x84\xe3\x81\xbe'
|
||
b'\xe3\x81\x9b\xe3\x82\x93\xe3\x80\x82\xe4\xb8\x80\xe9\x83'
|
||
b'\xa8\xe3\x81\xaf\xe3\x83\x89\xe3\x82\xa4\xe3\x83\x84\xe8'
|
||
b'\xaa\x9e\xe3\x81\xa7\xe3\x81\x99\xe3\x81\x8c\xe3\x80\x81'
|
||
b'\xe3\x81\x82\xe3\x81\xa8\xe3\x81\xaf\xe3\x81\xa7\xe3\x81'
|
||
b'\x9f\xe3\x82\x89\xe3\x82\x81\xe3\x81\xa7\xe3\x81\x99\xe3'
|
||
b'\x80\x82\xe5\xae\x9f\xe9\x9a\x9b\xe3\x81\xab\xe3\x81\xaf'
|
||
b'\xe3\x80\x8cWenn ist das Nunstuck git und'
|
||
)
|
||
|
||
# UTF-8 specific decoding tests
|
||
self.assertEqual(str(b'\xf0\xa3\x91\x96', 'utf-8'), '\U00023456' )
|
||
self.assertEqual(str(b'\xf0\x90\x80\x82', 'utf-8'), '\U00010002' )
|
||
self.assertEqual(str(b'\xe2\x82\xac', 'utf-8'), '\u20ac' )
|
||
|
||
# Other possible utf-8 test cases:
|
||
# * strict decoding testing for all of the
|
||
# UTF8_ERROR cases in PyUnicode_DecodeUTF8
|
||
|
||
def test_utf8_decode_valid_sequences(self):
|
||
sequences = [
|
||
# single byte
|
||
(b'\x00', '\x00'), (b'a', 'a'), (b'\x7f', '\x7f'),
|
||
# 2 bytes
|
||
(b'\xc2\x80', '\x80'), (b'\xdf\xbf', '\u07ff'),
|
||
# 3 bytes
|
||
(b'\xe0\xa0\x80', '\u0800'), (b'\xed\x9f\xbf', '\ud7ff'),
|
||
(b'\xee\x80\x80', '\uE000'), (b'\xef\xbf\xbf', '\uffff'),
|
||
# 4 bytes
|
||
(b'\xF0\x90\x80\x80', '\U00010000'),
|
||
(b'\xf4\x8f\xbf\xbf', '\U0010FFFF')
|
||
]
|
||
for seq, res in sequences:
|
||
self.assertEqual(seq.decode('utf-8'), res)
|
||
|
||
|
||
def test_utf8_decode_invalid_sequences(self):
|
||
# continuation bytes in a sequence of 2, 3, or 4 bytes
|
||
continuation_bytes = [bytes([x]) for x in range(0x80, 0xC0)]
|
||
# start bytes of a 2-byte sequence equivalent to code points < 0x7F
|
||
invalid_2B_seq_start_bytes = [bytes([x]) for x in range(0xC0, 0xC2)]
|
||
# start bytes of a 4-byte sequence equivalent to code points > 0x10FFFF
|
||
invalid_4B_seq_start_bytes = [bytes([x]) for x in range(0xF5, 0xF8)]
|
||
invalid_start_bytes = (
|
||
continuation_bytes + invalid_2B_seq_start_bytes +
|
||
invalid_4B_seq_start_bytes + [bytes([x]) for x in range(0xF7, 0x100)]
|
||
)
|
||
|
||
for byte in invalid_start_bytes:
|
||
self.assertRaises(UnicodeDecodeError, byte.decode, 'utf-8')
|
||
|
||
for sb in invalid_2B_seq_start_bytes:
|
||
for cb in continuation_bytes:
|
||
self.assertRaises(UnicodeDecodeError, (sb+cb).decode, 'utf-8')
|
||
|
||
for sb in invalid_4B_seq_start_bytes:
|
||
for cb1 in continuation_bytes[:3]:
|
||
for cb3 in continuation_bytes[:3]:
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(sb+cb1+b'\x80'+cb3).decode, 'utf-8')
|
||
|
||
for cb in [bytes([x]) for x in range(0x80, 0xA0)]:
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(b'\xE0'+cb+b'\x80').decode, 'utf-8')
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(b'\xE0'+cb+b'\xBF').decode, 'utf-8')
|
||
# surrogates
|
||
for cb in [bytes([x]) for x in range(0xA0, 0xC0)]:
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(b'\xED'+cb+b'\x80').decode, 'utf-8')
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(b'\xED'+cb+b'\xBF').decode, 'utf-8')
|
||
for cb in [bytes([x]) for x in range(0x80, 0x90)]:
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(b'\xF0'+cb+b'\x80\x80').decode, 'utf-8')
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(b'\xF0'+cb+b'\xBF\xBF').decode, 'utf-8')
|
||
for cb in [bytes([x]) for x in range(0x90, 0xC0)]:
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(b'\xF4'+cb+b'\x80\x80').decode, 'utf-8')
|
||
self.assertRaises(UnicodeDecodeError,
|
||
(b'\xF4'+cb+b'\xBF\xBF').decode, 'utf-8')
|
||
|
||
def test_issue8271(self):
|
||
# Issue #8271: during the decoding of an invalid UTF-8 byte sequence,
|
||
# only the start byte and the continuation byte(s) are now considered
|
||
# invalid, instead of the number of bytes specified by the start byte.
|
||
# See https://www.unicode.org/versions/Unicode5.2.0/ch03.pdf (page 95,
|
||
# table 3-8, Row 2) for more information about the algorithm used.
|
||
FFFD = '\ufffd'
|
||
sequences = [
|
||
# invalid start bytes
|
||
(b'\x80', FFFD), # continuation byte
|
||
(b'\x80\x80', FFFD*2), # 2 continuation bytes
|
||
(b'\xc0', FFFD),
|
||
(b'\xc0\xc0', FFFD*2),
|
||
(b'\xc1', FFFD),
|
||
(b'\xc1\xc0', FFFD*2),
|
||
(b'\xc0\xc1', FFFD*2),
|
||
# with start byte of a 2-byte sequence
|
||
(b'\xc2', FFFD), # only the start byte
|
||
(b'\xc2\xc2', FFFD*2), # 2 start bytes
|
||
(b'\xc2\xc2\xc2', FFFD*3), # 3 start bytes
|
||
(b'\xc2\x41', FFFD+'A'), # invalid continuation byte
|
||
# with start byte of a 3-byte sequence
|
||
(b'\xe1', FFFD), # only the start byte
|
||
(b'\xe1\xe1', FFFD*2), # 2 start bytes
|
||
(b'\xe1\xe1\xe1', FFFD*3), # 3 start bytes
|
||
(b'\xe1\xe1\xe1\xe1', FFFD*4), # 4 start bytes
|
||
(b'\xe1\x80', FFFD), # only 1 continuation byte
|
||
(b'\xe1\x41', FFFD+'A'), # invalid continuation byte
|
||
(b'\xe1\x41\x80', FFFD+'A'+FFFD), # invalid cb followed by valid cb
|
||
(b'\xe1\x41\x41', FFFD+'AA'), # 2 invalid continuation bytes
|
||
(b'\xe1\x80\x41', FFFD+'A'), # only 1 valid continuation byte
|
||
(b'\xe1\x80\xe1\x41', FFFD*2+'A'), # 1 valid and the other invalid
|
||
(b'\xe1\x41\xe1\x80', FFFD+'A'+FFFD), # 1 invalid and the other valid
|
||
# with start byte of a 4-byte sequence
|
||
(b'\xf1', FFFD), # only the start byte
|
||
(b'\xf1\xf1', FFFD*2), # 2 start bytes
|
||
(b'\xf1\xf1\xf1', FFFD*3), # 3 start bytes
|
||
(b'\xf1\xf1\xf1\xf1', FFFD*4), # 4 start bytes
|
||
(b'\xf1\xf1\xf1\xf1\xf1', FFFD*5), # 5 start bytes
|
||
(b'\xf1\x80', FFFD), # only 1 continuation bytes
|
||
(b'\xf1\x80\x80', FFFD), # only 2 continuation bytes
|
||
(b'\xf1\x80\x41', FFFD+'A'), # 1 valid cb and 1 invalid
|
||
(b'\xf1\x80\x41\x41', FFFD+'AA'), # 1 valid cb and 1 invalid
|
||
(b'\xf1\x80\x80\x41', FFFD+'A'), # 2 valid cb and 1 invalid
|
||
(b'\xf1\x41\x80', FFFD+'A'+FFFD), # 1 invalid cv and 1 valid
|
||
(b'\xf1\x41\x80\x80', FFFD+'A'+FFFD*2), # 1 invalid cb and 2 invalid
|
||
(b'\xf1\x41\x80\x41', FFFD+'A'+FFFD+'A'), # 2 invalid cb and 1 invalid
|
||
(b'\xf1\x41\x41\x80', FFFD+'AA'+FFFD), # 1 valid cb and 1 invalid
|
||
(b'\xf1\x41\xf1\x80', FFFD+'A'+FFFD),
|
||
(b'\xf1\x41\x80\xf1', FFFD+'A'+FFFD*2),
|
||
(b'\xf1\xf1\x80\x41', FFFD*2+'A'),
|
||
(b'\xf1\x41\xf1\xf1', FFFD+'A'+FFFD*2),
|
||
# with invalid start byte of a 4-byte sequence (rfc2279)
|
||
(b'\xf5', FFFD), # only the start byte
|
||
(b'\xf5\xf5', FFFD*2), # 2 start bytes
|
||
(b'\xf5\x80', FFFD*2), # only 1 continuation byte
|
||
(b'\xf5\x80\x80', FFFD*3), # only 2 continuation byte
|
||
(b'\xf5\x80\x80\x80', FFFD*4), # 3 continuation bytes
|
||
(b'\xf5\x80\x41', FFFD*2+'A'), # 1 valid cb and 1 invalid
|
||
(b'\xf5\x80\x41\xf5', FFFD*2+'A'+FFFD),
|
||
(b'\xf5\x41\x80\x80\x41', FFFD+'A'+FFFD*2+'A'),
|
||
# with invalid start byte of a 5-byte sequence (rfc2279)
|
||
(b'\xf8', FFFD), # only the start byte
|
||
(b'\xf8\xf8', FFFD*2), # 2 start bytes
|
||
(b'\xf8\x80', FFFD*2), # only one continuation byte
|
||
(b'\xf8\x80\x41', FFFD*2 + 'A'), # 1 valid cb and 1 invalid
|
||
(b'\xf8\x80\x80\x80\x80', FFFD*5), # invalid 5 bytes seq with 5 bytes
|
||
# with invalid start byte of a 6-byte sequence (rfc2279)
|
||
(b'\xfc', FFFD), # only the start byte
|
||
(b'\xfc\xfc', FFFD*2), # 2 start bytes
|
||
(b'\xfc\x80\x80', FFFD*3), # only 2 continuation bytes
|
||
(b'\xfc\x80\x80\x80\x80\x80', FFFD*6), # 6 continuation bytes
|
||
# invalid start byte
|
||
(b'\xfe', FFFD),
|
||
(b'\xfe\x80\x80', FFFD*3),
|
||
# other sequences
|
||
(b'\xf1\x80\x41\x42\x43', '\ufffd\x41\x42\x43'),
|
||
(b'\xf1\x80\xff\x42\x43', '\ufffd\ufffd\x42\x43'),
|
||
(b'\xf1\x80\xc2\x81\x43', '\ufffd\x81\x43'),
|
||
(b'\x61\xF1\x80\x80\xE1\x80\xC2\x62\x80\x63\x80\xBF\x64',
|
||
'\x61\uFFFD\uFFFD\uFFFD\x62\uFFFD\x63\uFFFD\uFFFD\x64'),
|
||
]
|
||
for n, (seq, res) in enumerate(sequences):
|
||
self.assertRaises(UnicodeDecodeError, seq.decode, 'utf-8', 'strict')
|
||
self.assertEqual(seq.decode('utf-8', 'replace'), res)
|
||
self.assertEqual((seq+b'b').decode('utf-8', 'replace'), res+'b')
|
||
self.assertEqual(seq.decode('utf-8', 'ignore'),
|
||
res.replace('\uFFFD', ''))
|
||
|
||
def assertCorrectUTF8Decoding(self, seq, res, err):
|
||
"""
|
||
Check that an invalid UTF-8 sequence raises a UnicodeDecodeError when
|
||
'strict' is used, returns res when 'replace' is used, and that doesn't
|
||
return anything when 'ignore' is used.
|
||
"""
|
||
with self.assertRaises(UnicodeDecodeError) as cm:
|
||
seq.decode('utf-8')
|
||
exc = cm.exception
|
||
|
||
self.assertIn(err, str(exc))
|
||
self.assertEqual(seq.decode('utf-8', 'replace'), res)
|
||
self.assertEqual((b'aaaa' + seq + b'bbbb').decode('utf-8', 'replace'),
|
||
'aaaa' + res + 'bbbb')
|
||
res = res.replace('\ufffd', '')
|
||
self.assertEqual(seq.decode('utf-8', 'ignore'), res)
|
||
self.assertEqual((b'aaaa' + seq + b'bbbb').decode('utf-8', 'ignore'),
|
||
'aaaa' + res + 'bbbb')
|
||
|
||
def test_invalid_start_byte(self):
|
||
"""
|
||
Test that an 'invalid start byte' error is raised when the first byte
|
||
is not in the ASCII range or is not a valid start byte of a 2-, 3-, or
|
||
4-bytes sequence. The invalid start byte is replaced with a single
|
||
U+FFFD when errors='replace'.
|
||
E.g. <80> is a continuation byte and can appear only after a start byte.
|
||
"""
|
||
FFFD = '\ufffd'
|
||
for byte in b'\x80\xA0\x9F\xBF\xC0\xC1\xF5\xFF':
|
||
self.assertCorrectUTF8Decoding(bytes([byte]), '\ufffd',
|
||
'invalid start byte')
|
||
|
||
def test_unexpected_end_of_data(self):
|
||
"""
|
||
Test that an 'unexpected end of data' error is raised when the string
|
||
ends after a start byte of a 2-, 3-, or 4-bytes sequence without having
|
||
enough continuation bytes. The incomplete sequence is replaced with a
|
||
single U+FFFD when errors='replace'.
|
||
E.g. in the sequence <F3 80 80>, F3 is the start byte of a 4-bytes
|
||
sequence, but it's followed by only 2 valid continuation bytes and the
|
||
last continuation bytes is missing.
|
||
Note: the continuation bytes must be all valid, if one of them is
|
||
invalid another error will be raised.
|
||
"""
|
||
sequences = [
|
||
'C2', 'DF',
|
||
'E0 A0', 'E0 BF', 'E1 80', 'E1 BF', 'EC 80', 'EC BF',
|
||
'ED 80', 'ED 9F', 'EE 80', 'EE BF', 'EF 80', 'EF BF',
|
||
'F0 90', 'F0 BF', 'F0 90 80', 'F0 90 BF', 'F0 BF 80', 'F0 BF BF',
|
||
'F1 80', 'F1 BF', 'F1 80 80', 'F1 80 BF', 'F1 BF 80', 'F1 BF BF',
|
||
'F3 80', 'F3 BF', 'F3 80 80', 'F3 80 BF', 'F3 BF 80', 'F3 BF BF',
|
||
'F4 80', 'F4 8F', 'F4 80 80', 'F4 80 BF', 'F4 8F 80', 'F4 8F BF'
|
||
]
|
||
FFFD = '\ufffd'
|
||
for seq in sequences:
|
||
self.assertCorrectUTF8Decoding(bytes.fromhex(seq), '\ufffd',
|
||
'unexpected end of data')
|
||
|
||
def test_invalid_cb_for_2bytes_seq(self):
|
||
"""
|
||
Test that an 'invalid continuation byte' error is raised when the
|
||
continuation byte of a 2-bytes sequence is invalid. The start byte
|
||
is replaced by a single U+FFFD and the second byte is handled
|
||
separately when errors='replace'.
|
||
E.g. in the sequence <C2 41>, C2 is the start byte of a 2-bytes
|
||
sequence, but 41 is not a valid continuation byte because it's the
|
||
ASCII letter 'A'.
|
||
"""
|
||
FFFD = '\ufffd'
|
||
FFFDx2 = FFFD * 2
|
||
sequences = [
|
||
('C2 00', FFFD+'\x00'), ('C2 7F', FFFD+'\x7f'),
|
||
('C2 C0', FFFDx2), ('C2 FF', FFFDx2),
|
||
('DF 00', FFFD+'\x00'), ('DF 7F', FFFD+'\x7f'),
|
||
('DF C0', FFFDx2), ('DF FF', FFFDx2),
|
||
]
|
||
for seq, res in sequences:
|
||
self.assertCorrectUTF8Decoding(bytes.fromhex(seq), res,
|
||
'invalid continuation byte')
|
||
|
||
def test_invalid_cb_for_3bytes_seq(self):
|
||
"""
|
||
Test that an 'invalid continuation byte' error is raised when the
|
||
continuation byte(s) of a 3-bytes sequence are invalid. When
|
||
errors='replace', if the first continuation byte is valid, the first
|
||
two bytes (start byte + 1st cb) are replaced by a single U+FFFD and the
|
||
third byte is handled separately, otherwise only the start byte is
|
||
replaced with a U+FFFD and the other continuation bytes are handled
|
||
separately.
|
||
E.g. in the sequence <E1 80 41>, E1 is the start byte of a 3-bytes
|
||
sequence, 80 is a valid continuation byte, but 41 is not a valid cb
|
||
because it's the ASCII letter 'A'.
|
||
Note: when the start byte is E0 or ED, the valid ranges for the first
|
||
continuation byte are limited to A0..BF and 80..9F respectively.
|
||
Python 2 used to consider all the bytes in range 80..BF valid when the
|
||
start byte was ED. This is fixed in Python 3.
|
||
"""
|
||
FFFD = '\ufffd'
|
||
FFFDx2 = FFFD * 2
|
||
sequences = [
|
||
('E0 00', FFFD+'\x00'), ('E0 7F', FFFD+'\x7f'), ('E0 80', FFFDx2),
|
||
('E0 9F', FFFDx2), ('E0 C0', FFFDx2), ('E0 FF', FFFDx2),
|
||
('E0 A0 00', FFFD+'\x00'), ('E0 A0 7F', FFFD+'\x7f'),
|
||
('E0 A0 C0', FFFDx2), ('E0 A0 FF', FFFDx2),
|
||
('E0 BF 00', FFFD+'\x00'), ('E0 BF 7F', FFFD+'\x7f'),
|
||
('E0 BF C0', FFFDx2), ('E0 BF FF', FFFDx2), ('E1 00', FFFD+'\x00'),
|
||
('E1 7F', FFFD+'\x7f'), ('E1 C0', FFFDx2), ('E1 FF', FFFDx2),
|
||
('E1 80 00', FFFD+'\x00'), ('E1 80 7F', FFFD+'\x7f'),
|
||
('E1 80 C0', FFFDx2), ('E1 80 FF', FFFDx2),
|
||
('E1 BF 00', FFFD+'\x00'), ('E1 BF 7F', FFFD+'\x7f'),
|
||
('E1 BF C0', FFFDx2), ('E1 BF FF', FFFDx2), ('EC 00', FFFD+'\x00'),
|
||
('EC 7F', FFFD+'\x7f'), ('EC C0', FFFDx2), ('EC FF', FFFDx2),
|
||
('EC 80 00', FFFD+'\x00'), ('EC 80 7F', FFFD+'\x7f'),
|
||
('EC 80 C0', FFFDx2), ('EC 80 FF', FFFDx2),
|
||
('EC BF 00', FFFD+'\x00'), ('EC BF 7F', FFFD+'\x7f'),
|
||
('EC BF C0', FFFDx2), ('EC BF FF', FFFDx2), ('ED 00', FFFD+'\x00'),
|
||
('ED 7F', FFFD+'\x7f'),
|
||
('ED A0', FFFDx2), ('ED BF', FFFDx2), # see note ^
|
||
('ED C0', FFFDx2), ('ED FF', FFFDx2), ('ED 80 00', FFFD+'\x00'),
|
||
('ED 80 7F', FFFD+'\x7f'), ('ED 80 C0', FFFDx2),
|
||
('ED 80 FF', FFFDx2), ('ED 9F 00', FFFD+'\x00'),
|
||
('ED 9F 7F', FFFD+'\x7f'), ('ED 9F C0', FFFDx2),
|
||
('ED 9F FF', FFFDx2), ('EE 00', FFFD+'\x00'),
|
||
('EE 7F', FFFD+'\x7f'), ('EE C0', FFFDx2), ('EE FF', FFFDx2),
|
||
('EE 80 00', FFFD+'\x00'), ('EE 80 7F', FFFD+'\x7f'),
|
||
('EE 80 C0', FFFDx2), ('EE 80 FF', FFFDx2),
|
||
('EE BF 00', FFFD+'\x00'), ('EE BF 7F', FFFD+'\x7f'),
|
||
('EE BF C0', FFFDx2), ('EE BF FF', FFFDx2), ('EF 00', FFFD+'\x00'),
|
||
('EF 7F', FFFD+'\x7f'), ('EF C0', FFFDx2), ('EF FF', FFFDx2),
|
||
('EF 80 00', FFFD+'\x00'), ('EF 80 7F', FFFD+'\x7f'),
|
||
('EF 80 C0', FFFDx2), ('EF 80 FF', FFFDx2),
|
||
('EF BF 00', FFFD+'\x00'), ('EF BF 7F', FFFD+'\x7f'),
|
||
('EF BF C0', FFFDx2), ('EF BF FF', FFFDx2),
|
||
]
|
||
for seq, res in sequences:
|
||
self.assertCorrectUTF8Decoding(bytes.fromhex(seq), res,
|
||
'invalid continuation byte')
|
||
|
||
def test_invalid_cb_for_4bytes_seq(self):
|
||
"""
|
||
Test that an 'invalid continuation byte' error is raised when the
|
||
continuation byte(s) of a 4-bytes sequence are invalid. When
|
||
errors='replace',the start byte and all the following valid
|
||
continuation bytes are replaced with a single U+FFFD, and all the bytes
|
||
starting from the first invalid continuation bytes (included) are
|
||
handled separately.
|
||
E.g. in the sequence <E1 80 41>, E1 is the start byte of a 3-bytes
|
||
sequence, 80 is a valid continuation byte, but 41 is not a valid cb
|
||
because it's the ASCII letter 'A'.
|
||
Note: when the start byte is E0 or ED, the valid ranges for the first
|
||
continuation byte are limited to A0..BF and 80..9F respectively.
|
||
However, when the start byte is ED, Python 2 considers all the bytes
|
||
in range 80..BF valid. This is fixed in Python 3.
|
||
"""
|
||
FFFD = '\ufffd'
|
||
FFFDx2 = FFFD * 2
|
||
sequences = [
|
||
('F0 00', FFFD+'\x00'), ('F0 7F', FFFD+'\x7f'), ('F0 80', FFFDx2),
|
||
('F0 8F', FFFDx2), ('F0 C0', FFFDx2), ('F0 FF', FFFDx2),
|
||
('F0 90 00', FFFD+'\x00'), ('F0 90 7F', FFFD+'\x7f'),
|
||
('F0 90 C0', FFFDx2), ('F0 90 FF', FFFDx2),
|
||
('F0 BF 00', FFFD+'\x00'), ('F0 BF 7F', FFFD+'\x7f'),
|
||
('F0 BF C0', FFFDx2), ('F0 BF FF', FFFDx2),
|
||
('F0 90 80 00', FFFD+'\x00'), ('F0 90 80 7F', FFFD+'\x7f'),
|
||
('F0 90 80 C0', FFFDx2), ('F0 90 80 FF', FFFDx2),
|
||
('F0 90 BF 00', FFFD+'\x00'), ('F0 90 BF 7F', FFFD+'\x7f'),
|
||
('F0 90 BF C0', FFFDx2), ('F0 90 BF FF', FFFDx2),
|
||
('F0 BF 80 00', FFFD+'\x00'), ('F0 BF 80 7F', FFFD+'\x7f'),
|
||
('F0 BF 80 C0', FFFDx2), ('F0 BF 80 FF', FFFDx2),
|
||
('F0 BF BF 00', FFFD+'\x00'), ('F0 BF BF 7F', FFFD+'\x7f'),
|
||
('F0 BF BF C0', FFFDx2), ('F0 BF BF FF', FFFDx2),
|
||
('F1 00', FFFD+'\x00'), ('F1 7F', FFFD+'\x7f'), ('F1 C0', FFFDx2),
|
||
('F1 FF', FFFDx2), ('F1 80 00', FFFD+'\x00'),
|
||
('F1 80 7F', FFFD+'\x7f'), ('F1 80 C0', FFFDx2),
|
||
('F1 80 FF', FFFDx2), ('F1 BF 00', FFFD+'\x00'),
|
||
('F1 BF 7F', FFFD+'\x7f'), ('F1 BF C0', FFFDx2),
|
||
('F1 BF FF', FFFDx2), ('F1 80 80 00', FFFD+'\x00'),
|
||
('F1 80 80 7F', FFFD+'\x7f'), ('F1 80 80 C0', FFFDx2),
|
||
('F1 80 80 FF', FFFDx2), ('F1 80 BF 00', FFFD+'\x00'),
|
||
('F1 80 BF 7F', FFFD+'\x7f'), ('F1 80 BF C0', FFFDx2),
|
||
('F1 80 BF FF', FFFDx2), ('F1 BF 80 00', FFFD+'\x00'),
|
||
('F1 BF 80 7F', FFFD+'\x7f'), ('F1 BF 80 C0', FFFDx2),
|
||
('F1 BF 80 FF', FFFDx2), ('F1 BF BF 00', FFFD+'\x00'),
|
||
('F1 BF BF 7F', FFFD+'\x7f'), ('F1 BF BF C0', FFFDx2),
|
||
('F1 BF BF FF', FFFDx2), ('F3 00', FFFD+'\x00'),
|
||
('F3 7F', FFFD+'\x7f'), ('F3 C0', FFFDx2), ('F3 FF', FFFDx2),
|
||
('F3 80 00', FFFD+'\x00'), ('F3 80 7F', FFFD+'\x7f'),
|
||
('F3 80 C0', FFFDx2), ('F3 80 FF', FFFDx2),
|
||
('F3 BF 00', FFFD+'\x00'), ('F3 BF 7F', FFFD+'\x7f'),
|
||
('F3 BF C0', FFFDx2), ('F3 BF FF', FFFDx2),
|
||
('F3 80 80 00', FFFD+'\x00'), ('F3 80 80 7F', FFFD+'\x7f'),
|
||
('F3 80 80 C0', FFFDx2), ('F3 80 80 FF', FFFDx2),
|
||
('F3 80 BF 00', FFFD+'\x00'), ('F3 80 BF 7F', FFFD+'\x7f'),
|
||
('F3 80 BF C0', FFFDx2), ('F3 80 BF FF', FFFDx2),
|
||
('F3 BF 80 00', FFFD+'\x00'), ('F3 BF 80 7F', FFFD+'\x7f'),
|
||
('F3 BF 80 C0', FFFDx2), ('F3 BF 80 FF', FFFDx2),
|
||
('F3 BF BF 00', FFFD+'\x00'), ('F3 BF BF 7F', FFFD+'\x7f'),
|
||
('F3 BF BF C0', FFFDx2), ('F3 BF BF FF', FFFDx2),
|
||
('F4 00', FFFD+'\x00'), ('F4 7F', FFFD+'\x7f'), ('F4 90', FFFDx2),
|
||
('F4 BF', FFFDx2), ('F4 C0', FFFDx2), ('F4 FF', FFFDx2),
|
||
('F4 80 00', FFFD+'\x00'), ('F4 80 7F', FFFD+'\x7f'),
|
||
('F4 80 C0', FFFDx2), ('F4 80 FF', FFFDx2),
|
||
('F4 8F 00', FFFD+'\x00'), ('F4 8F 7F', FFFD+'\x7f'),
|
||
('F4 8F C0', FFFDx2), ('F4 8F FF', FFFDx2),
|
||
('F4 80 80 00', FFFD+'\x00'), ('F4 80 80 7F', FFFD+'\x7f'),
|
||
('F4 80 80 C0', FFFDx2), ('F4 80 80 FF', FFFDx2),
|
||
('F4 80 BF 00', FFFD+'\x00'), ('F4 80 BF 7F', FFFD+'\x7f'),
|
||
('F4 80 BF C0', FFFDx2), ('F4 80 BF FF', FFFDx2),
|
||
('F4 8F 80 00', FFFD+'\x00'), ('F4 8F 80 7F', FFFD+'\x7f'),
|
||
('F4 8F 80 C0', FFFDx2), ('F4 8F 80 FF', FFFDx2),
|
||
('F4 8F BF 00', FFFD+'\x00'), ('F4 8F BF 7F', FFFD+'\x7f'),
|
||
('F4 8F BF C0', FFFDx2), ('F4 8F BF FF', FFFDx2)
|
||
]
|
||
for seq, res in sequences:
|
||
self.assertCorrectUTF8Decoding(bytes.fromhex(seq), res,
|
||
'invalid continuation byte')
|
||
|
||
def test_codecs_idna(self):
|
||
# Test whether trailing dot is preserved
|
||
self.assertEqual("www.python.org.".encode("idna"), b"www.python.org.")
|
||
|
||
def test_codecs_errors(self):
|
||
# Error handling (encoding)
|
||
self.assertRaises(UnicodeError, 'Andr\202 x'.encode, 'ascii')
|
||
self.assertRaises(UnicodeError, 'Andr\202 x'.encode, 'ascii','strict')
|
||
self.assertEqual('Andr\202 x'.encode('ascii','ignore'), b"Andr x")
|
||
self.assertEqual('Andr\202 x'.encode('ascii','replace'), b"Andr? x")
|
||
self.assertEqual('Andr\202 x'.encode('ascii', 'replace'),
|
||
'Andr\202 x'.encode('ascii', errors='replace'))
|
||
self.assertEqual('Andr\202 x'.encode('ascii', 'ignore'),
|
||
'Andr\202 x'.encode(encoding='ascii', errors='ignore'))
|
||
|
||
# Error handling (decoding)
|
||
self.assertRaises(UnicodeError, str, b'Andr\202 x', 'ascii')
|
||
self.assertRaises(UnicodeError, str, b'Andr\202 x', 'ascii', 'strict')
|
||
self.assertEqual(str(b'Andr\202 x', 'ascii', 'ignore'), "Andr x")
|
||
self.assertEqual(str(b'Andr\202 x', 'ascii', 'replace'), 'Andr\uFFFD x')
|
||
self.assertEqual(str(b'\202 x', 'ascii', 'replace'), '\uFFFD x')
|
||
|
||
# Error handling (unknown character names)
|
||
self.assertEqual(b"\\N{foo}xx".decode("unicode-escape", "ignore"), "xx")
|
||
|
||
# Error handling (truncated escape sequence)
|
||
self.assertRaises(UnicodeError, b"\\".decode, "unicode-escape")
|
||
|
||
self.assertRaises(TypeError, b"hello".decode, "test.unicode1")
|
||
self.assertRaises(TypeError, str, b"hello", "test.unicode2")
|
||
self.assertRaises(TypeError, "hello".encode, "test.unicode1")
|
||
self.assertRaises(TypeError, "hello".encode, "test.unicode2")
|
||
|
||
# Error handling (wrong arguments)
|
||
self.assertRaises(TypeError, "hello".encode, 42, 42, 42)
|
||
|
||
# Error handling (lone surrogate in
|
||
# _PyUnicode_TransformDecimalAndSpaceToASCII())
|
||
self.assertRaises(ValueError, int, "\ud800")
|
||
self.assertRaises(ValueError, int, "\udf00")
|
||
self.assertRaises(ValueError, float, "\ud800")
|
||
self.assertRaises(ValueError, float, "\udf00")
|
||
self.assertRaises(ValueError, complex, "\ud800")
|
||
self.assertRaises(ValueError, complex, "\udf00")
|
||
|
||
def test_codecs(self):
|
||
# Encoding
|
||
self.assertEqual('hello'.encode('ascii'), b'hello')
|
||
self.assertEqual('hello'.encode('utf-7'), b'hello')
|
||
self.assertEqual('hello'.encode('utf-8'), b'hello')
|
||
self.assertEqual('hello'.encode('utf-8'), b'hello')
|
||
self.assertEqual('hello'.encode('utf-16-le'), b'h\000e\000l\000l\000o\000')
|
||
self.assertEqual('hello'.encode('utf-16-be'), b'\000h\000e\000l\000l\000o')
|
||
self.assertEqual('hello'.encode('latin-1'), b'hello')
|
||
|
||
# Default encoding is utf-8
|
||
self.assertEqual('\u2603'.encode(), b'\xe2\x98\x83')
|
||
|
||
# Roundtrip safety for BMP (just the first 1024 chars)
|
||
for c in range(1024):
|
||
u = chr(c)
|
||
for encoding in ('utf-7', 'utf-8', 'utf-16', 'utf-16-le',
|
||
'utf-16-be', 'raw_unicode_escape',
|
||
'unicode_escape'):
|
||
self.assertEqual(str(u.encode(encoding),encoding), u)
|
||
|
||
# Roundtrip safety for BMP (just the first 256 chars)
|
||
for c in range(256):
|
||
u = chr(c)
|
||
for encoding in ('latin-1',):
|
||
self.assertEqual(str(u.encode(encoding),encoding), u)
|
||
|
||
# Roundtrip safety for BMP (just the first 128 chars)
|
||
for c in range(128):
|
||
u = chr(c)
|
||
for encoding in ('ascii',):
|
||
self.assertEqual(str(u.encode(encoding),encoding), u)
|
||
|
||
# Roundtrip safety for non-BMP (just a few chars)
|
||
with warnings.catch_warnings():
|
||
u = '\U00010001\U00020002\U00030003\U00040004\U00050005'
|
||
for encoding in ('utf-8', 'utf-16', 'utf-16-le', 'utf-16-be',
|
||
'raw_unicode_escape', 'unicode_escape'):
|
||
self.assertEqual(str(u.encode(encoding),encoding), u)
|
||
|
||
# UTF-8 must be roundtrip safe for all code points
|
||
# (except surrogates, which are forbidden).
|
||
u = ''.join(map(chr, list(range(0, 0xd800)) +
|
||
list(range(0xe000, 0x110000))))
|
||
for encoding in ('utf-8',):
|
||
self.assertEqual(str(u.encode(encoding),encoding), u)
|
||
|
||
def test_codecs_charmap(self):
|
||
# 0-127
|
||
s = bytes(range(128))
|
||
for encoding in (
|
||
'cp037', 'cp1026', 'cp273',
|
||
'cp437', 'cp500', 'cp720', 'cp737', 'cp775', 'cp850',
|
||
'cp852', 'cp855', 'cp858', 'cp860', 'cp861', 'cp862',
|
||
'cp863', 'cp865', 'cp866', 'cp1125',
|
||
'iso8859_10', 'iso8859_13', 'iso8859_14', 'iso8859_15',
|
||
'iso8859_2', 'iso8859_3', 'iso8859_4', 'iso8859_5', 'iso8859_6',
|
||
'iso8859_7', 'iso8859_9',
|
||
'koi8_r', 'koi8_t', 'koi8_u', 'kz1048', 'latin_1',
|
||
'mac_cyrillic', 'mac_latin2',
|
||
|
||
'cp1250', 'cp1251', 'cp1252', 'cp1253', 'cp1254', 'cp1255',
|
||
'cp1256', 'cp1257', 'cp1258',
|
||
'cp856', 'cp857', 'cp864', 'cp869', 'cp874',
|
||
|
||
'mac_greek', 'mac_iceland','mac_roman', 'mac_turkish',
|
||
'cp1006', 'iso8859_8',
|
||
|
||
### These have undefined mappings:
|
||
#'cp424',
|
||
|
||
### These fail the round-trip:
|
||
#'cp875'
|
||
|
||
):
|
||
self.assertEqual(str(s, encoding).encode(encoding), s)
|
||
|
||
# 128-255
|
||
s = bytes(range(128, 256))
|
||
for encoding in (
|
||
'cp037', 'cp1026', 'cp273',
|
||
'cp437', 'cp500', 'cp720', 'cp737', 'cp775', 'cp850',
|
||
'cp852', 'cp855', 'cp858', 'cp860', 'cp861', 'cp862',
|
||
'cp863', 'cp865', 'cp866', 'cp1125',
|
||
'iso8859_10', 'iso8859_13', 'iso8859_14', 'iso8859_15',
|
||
'iso8859_2', 'iso8859_4', 'iso8859_5',
|
||
'iso8859_9', 'koi8_r', 'koi8_u', 'latin_1',
|
||
'mac_cyrillic', 'mac_latin2',
|
||
|
||
### These have undefined mappings:
|
||
#'cp1250', 'cp1251', 'cp1252', 'cp1253', 'cp1254', 'cp1255',
|
||
#'cp1256', 'cp1257', 'cp1258',
|
||
#'cp424', 'cp856', 'cp857', 'cp864', 'cp869', 'cp874',
|
||
#'iso8859_3', 'iso8859_6', 'iso8859_7', 'koi8_t', 'kz1048',
|
||
#'mac_greek', 'mac_iceland','mac_roman', 'mac_turkish',
|
||
|
||
### These fail the round-trip:
|
||
#'cp1006', 'cp875', 'iso8859_8',
|
||
|
||
):
|
||
self.assertEqual(str(s, encoding).encode(encoding), s)
|
||
|
||
def test_concatenation(self):
|
||
self.assertEqual(("abc" "def"), "abcdef")
|
||
self.assertEqual(("abc" "def"), "abcdef")
|
||
self.assertEqual(("abc" "def"), "abcdef")
|
||
self.assertEqual(("abc" "def" "ghi"), "abcdefghi")
|
||
self.assertEqual(("abc" "def" "ghi"), "abcdefghi")
|
||
|
||
def test_ucs4(self):
|
||
x = '\U00100000'
|
||
y = x.encode("raw-unicode-escape").decode("raw-unicode-escape")
|
||
self.assertEqual(x, y)
|
||
|
||
y = br'\U00100000'
|
||
x = y.decode("raw-unicode-escape").encode("raw-unicode-escape")
|
||
self.assertEqual(x, y)
|
||
y = br'\U00010000'
|
||
x = y.decode("raw-unicode-escape").encode("raw-unicode-escape")
|
||
self.assertEqual(x, y)
|
||
|
||
try:
|
||
br'\U11111111'.decode("raw-unicode-escape")
|
||
except UnicodeDecodeError as e:
|
||
self.assertEqual(e.start, 0)
|
||
self.assertEqual(e.end, 10)
|
||
else:
|
||
self.fail("Should have raised UnicodeDecodeError")
|
||
|
||
def test_conversion(self):
|
||
# Make sure __str__() works properly
|
||
class ObjectToStr:
|
||
def __str__(self):
|
||
return "foo"
|
||
|
||
class StrSubclassToStr(str):
|
||
def __str__(self):
|
||
return "foo"
|
||
|
||
class StrSubclassToStrSubclass(str):
|
||
def __new__(cls, content=""):
|
||
return str.__new__(cls, 2*content)
|
||
def __str__(self):
|
||
return self
|
||
|
||
self.assertEqual(str(ObjectToStr()), "foo")
|
||
self.assertEqual(str(StrSubclassToStr("bar")), "foo")
|
||
s = str(StrSubclassToStrSubclass("foo"))
|
||
self.assertEqual(s, "foofoo")
|
||
self.assertIs(type(s), StrSubclassToStrSubclass)
|
||
s = StrSubclass(StrSubclassToStrSubclass("foo"))
|
||
self.assertEqual(s, "foofoo")
|
||
self.assertIs(type(s), StrSubclass)
|
||
|
||
def test_unicode_repr(self):
|
||
class s1:
|
||
def __repr__(self):
|
||
return '\\n'
|
||
|
||
class s2:
|
||
def __repr__(self):
|
||
return '\\n'
|
||
|
||
self.assertEqual(repr(s1()), '\\n')
|
||
self.assertEqual(repr(s2()), '\\n')
|
||
|
||
def test_printable_repr(self):
|
||
self.assertEqual(repr('\U00010000'), "'%c'" % (0x10000,)) # printable
|
||
self.assertEqual(repr('\U00014000'), "'\\U00014000'") # nonprintable
|
||
|
||
# This test only affects 32-bit platforms because expandtabs can only take
|
||
# an int as the max value, not a 64-bit C long. If expandtabs is changed
|
||
# to take a 64-bit long, this test should apply to all platforms.
|
||
@unittest.skipIf(sys.maxsize > (1 << 32) or struct.calcsize('P') != 4,
|
||
'only applies to 32-bit platforms')
|
||
def test_expandtabs_overflows_gracefully(self):
|
||
self.assertRaises(OverflowError, 't\tt\t'.expandtabs, sys.maxsize)
|
||
|
||
@support.cpython_only
|
||
def test_expandtabs_optimization(self):
|
||
s = 'abc'
|
||
self.assertIs(s.expandtabs(), s)
|
||
|
||
def test_raiseMemError(self):
|
||
if struct.calcsize('P') == 8:
|
||
# 64 bits pointers
|
||
ascii_struct_size = 48
|
||
compact_struct_size = 72
|
||
else:
|
||
# 32 bits pointers
|
||
ascii_struct_size = 24
|
||
compact_struct_size = 36
|
||
|
||
for char in ('a', '\xe9', '\u20ac', '\U0010ffff'):
|
||
code = ord(char)
|
||
if code < 0x100:
|
||
char_size = 1 # sizeof(Py_UCS1)
|
||
struct_size = ascii_struct_size
|
||
elif code < 0x10000:
|
||
char_size = 2 # sizeof(Py_UCS2)
|
||
struct_size = compact_struct_size
|
||
else:
|
||
char_size = 4 # sizeof(Py_UCS4)
|
||
struct_size = compact_struct_size
|
||
# Note: sys.maxsize is half of the actual max allocation because of
|
||
# the signedness of Py_ssize_t. Strings of maxlen-1 should in principle
|
||
# be allocatable, given enough memory.
|
||
maxlen = ((sys.maxsize - struct_size) // char_size)
|
||
alloc = lambda: char * maxlen
|
||
self.assertRaises(MemoryError, alloc)
|
||
self.assertRaises(MemoryError, alloc)
|
||
|
||
def test_format_subclass(self):
|
||
class S(str):
|
||
def __str__(self):
|
||
return '__str__ overridden'
|
||
s = S('xxx')
|
||
self.assertEqual("%s" % s, '__str__ overridden')
|
||
self.assertEqual("{}".format(s), '__str__ overridden')
|
||
|
||
def test_subclass_add(self):
|
||
class S(str):
|
||
def __add__(self, o):
|
||
return "3"
|
||
self.assertEqual(S("4") + S("5"), "3")
|
||
class S(str):
|
||
def __iadd__(self, o):
|
||
return "3"
|
||
s = S("1")
|
||
s += "4"
|
||
self.assertEqual(s, "3")
|
||
|
||
def test_getnewargs(self):
|
||
text = 'abc'
|
||
args = text.__getnewargs__()
|
||
self.assertIsNot(args[0], text)
|
||
self.assertEqual(args[0], text)
|
||
self.assertEqual(len(args), 1)
|
||
|
||
@support.cpython_only
|
||
@support.requires_legacy_unicode_capi
|
||
def test_resize(self):
|
||
from _testcapi import getargs_u
|
||
for length in range(1, 100, 7):
|
||
# generate a fresh string (refcount=1)
|
||
text = 'a' * length + 'b'
|
||
|
||
# fill wstr internal field
|
||
with self.assertWarns(DeprecationWarning):
|
||
abc = getargs_u(text)
|
||
self.assertEqual(abc, text)
|
||
|
||
# resize text: wstr field must be cleared and then recomputed
|
||
text += 'c'
|
||
with self.assertWarns(DeprecationWarning):
|
||
abcdef = getargs_u(text)
|
||
self.assertNotEqual(abc, abcdef)
|
||
self.assertEqual(abcdef, text)
|
||
|
||
def test_compare(self):
|
||
# Issue #17615
|
||
N = 10
|
||
ascii = 'a' * N
|
||
ascii2 = 'z' * N
|
||
latin = '\x80' * N
|
||
latin2 = '\xff' * N
|
||
bmp = '\u0100' * N
|
||
bmp2 = '\uffff' * N
|
||
astral = '\U00100000' * N
|
||
astral2 = '\U0010ffff' * N
|
||
strings = (
|
||
ascii, ascii2,
|
||
latin, latin2,
|
||
bmp, bmp2,
|
||
astral, astral2)
|
||
for text1, text2 in itertools.combinations(strings, 2):
|
||
equal = (text1 is text2)
|
||
self.assertEqual(text1 == text2, equal)
|
||
self.assertEqual(text1 != text2, not equal)
|
||
|
||
if equal:
|
||
self.assertTrue(text1 <= text2)
|
||
self.assertTrue(text1 >= text2)
|
||
|
||
# text1 is text2: duplicate strings to skip the "str1 == str2"
|
||
# optimization in unicode_compare_eq() and really compare
|
||
# character per character
|
||
copy1 = duplicate_string(text1)
|
||
copy2 = duplicate_string(text2)
|
||
self.assertIsNot(copy1, copy2)
|
||
|
||
self.assertTrue(copy1 == copy2)
|
||
self.assertFalse(copy1 != copy2)
|
||
|
||
self.assertTrue(copy1 <= copy2)
|
||
self.assertTrue(copy2 >= copy2)
|
||
|
||
self.assertTrue(ascii < ascii2)
|
||
self.assertTrue(ascii < latin)
|
||
self.assertTrue(ascii < bmp)
|
||
self.assertTrue(ascii < astral)
|
||
self.assertFalse(ascii >= ascii2)
|
||
self.assertFalse(ascii >= latin)
|
||
self.assertFalse(ascii >= bmp)
|
||
self.assertFalse(ascii >= astral)
|
||
|
||
self.assertFalse(latin < ascii)
|
||
self.assertTrue(latin < latin2)
|
||
self.assertTrue(latin < bmp)
|
||
self.assertTrue(latin < astral)
|
||
self.assertTrue(latin >= ascii)
|
||
self.assertFalse(latin >= latin2)
|
||
self.assertFalse(latin >= bmp)
|
||
self.assertFalse(latin >= astral)
|
||
|
||
self.assertFalse(bmp < ascii)
|
||
self.assertFalse(bmp < latin)
|
||
self.assertTrue(bmp < bmp2)
|
||
self.assertTrue(bmp < astral)
|
||
self.assertTrue(bmp >= ascii)
|
||
self.assertTrue(bmp >= latin)
|
||
self.assertFalse(bmp >= bmp2)
|
||
self.assertFalse(bmp >= astral)
|
||
|
||
self.assertFalse(astral < ascii)
|
||
self.assertFalse(astral < latin)
|
||
self.assertFalse(astral < bmp2)
|
||
self.assertTrue(astral < astral2)
|
||
self.assertTrue(astral >= ascii)
|
||
self.assertTrue(astral >= latin)
|
||
self.assertTrue(astral >= bmp2)
|
||
self.assertFalse(astral >= astral2)
|
||
|
||
def test_free_after_iterating(self):
|
||
support.check_free_after_iterating(self, iter, str)
|
||
support.check_free_after_iterating(self, reversed, str)
|
||
|
||
def test_check_encoding_errors(self):
|
||
# bpo-37388: str(bytes) and str.decode() must check encoding and errors
|
||
# arguments in dev mode
|
||
encodings = ('ascii', 'utf8', 'latin1')
|
||
invalid = 'Boom, Shaka Laka, Boom!'
|
||
code = textwrap.dedent(f'''
|
||
import sys
|
||
encodings = {encodings!r}
|
||
|
||
for data in (b'', b'short string'):
|
||
try:
|
||
str(data, encoding={invalid!r})
|
||
except LookupError:
|
||
pass
|
||
else:
|
||
sys.exit(21)
|
||
|
||
try:
|
||
str(data, errors={invalid!r})
|
||
except LookupError:
|
||
pass
|
||
else:
|
||
sys.exit(22)
|
||
|
||
for encoding in encodings:
|
||
try:
|
||
str(data, encoding, errors={invalid!r})
|
||
except LookupError:
|
||
pass
|
||
else:
|
||
sys.exit(22)
|
||
|
||
for data in ('', 'short string'):
|
||
try:
|
||
data.encode(encoding={invalid!r})
|
||
except LookupError:
|
||
pass
|
||
else:
|
||
sys.exit(23)
|
||
|
||
try:
|
||
data.encode(errors={invalid!r})
|
||
except LookupError:
|
||
pass
|
||
else:
|
||
sys.exit(24)
|
||
|
||
for encoding in encodings:
|
||
try:
|
||
data.encode(encoding, errors={invalid!r})
|
||
except LookupError:
|
||
pass
|
||
else:
|
||
sys.exit(24)
|
||
|
||
sys.exit(10)
|
||
''')
|
||
proc = assert_python_failure('-X', 'dev', '-c', code)
|
||
self.assertEqual(proc.rc, 10, proc)
|
||
|
||
|
||
class CAPITest(unittest.TestCase):
|
||
|
||
# Test PyUnicode_FromFormat()
|
||
def test_from_format(self):
|
||
import_helper.import_module('ctypes')
|
||
from ctypes import (
|
||
c_char_p,
|
||
pythonapi, py_object, sizeof,
|
||
c_int, c_long, c_longlong, c_ssize_t,
|
||
c_uint, c_ulong, c_ulonglong, c_size_t, c_void_p)
|
||
name = "PyUnicode_FromFormat"
|
||
_PyUnicode_FromFormat = getattr(pythonapi, name)
|
||
_PyUnicode_FromFormat.argtypes = (c_char_p,)
|
||
_PyUnicode_FromFormat.restype = py_object
|
||
|
||
def PyUnicode_FromFormat(format, *args):
|
||
cargs = tuple(
|
||
py_object(arg) if isinstance(arg, str) else arg
|
||
for arg in args)
|
||
return _PyUnicode_FromFormat(format, *cargs)
|
||
|
||
def check_format(expected, format, *args):
|
||
text = PyUnicode_FromFormat(format, *args)
|
||
self.assertEqual(expected, text)
|
||
|
||
# ascii format, non-ascii argument
|
||
check_format('ascii\x7f=unicode\xe9',
|
||
b'ascii\x7f=%U', 'unicode\xe9')
|
||
|
||
# non-ascii format, ascii argument: ensure that PyUnicode_FromFormatV()
|
||
# raises an error
|
||
self.assertRaisesRegex(ValueError,
|
||
r'^PyUnicode_FromFormatV\(\) expects an ASCII-encoded format '
|
||
'string, got a non-ASCII byte: 0xe9$',
|
||
PyUnicode_FromFormat, b'unicode\xe9=%s', 'ascii')
|
||
|
||
# test "%c"
|
||
check_format('\uabcd',
|
||
b'%c', c_int(0xabcd))
|
||
check_format('\U0010ffff',
|
||
b'%c', c_int(0x10ffff))
|
||
with self.assertRaises(OverflowError):
|
||
PyUnicode_FromFormat(b'%c', c_int(0x110000))
|
||
# Issue #18183
|
||
check_format('\U00010000\U00100000',
|
||
b'%c%c', c_int(0x10000), c_int(0x100000))
|
||
|
||
# test "%"
|
||
check_format('%',
|
||
b'%')
|
||
check_format('%',
|
||
b'%%')
|
||
check_format('%s',
|
||
b'%%s')
|
||
check_format('[%]',
|
||
b'[%%]')
|
||
check_format('%abc',
|
||
b'%%%s', b'abc')
|
||
|
||
# truncated string
|
||
check_format('abc',
|
||
b'%.3s', b'abcdef')
|
||
check_format('abc[\ufffd',
|
||
b'%.5s', 'abc[\u20ac]'.encode('utf8'))
|
||
check_format("'\\u20acABC'",
|
||
b'%A', '\u20acABC')
|
||
check_format("'\\u20",
|
||
b'%.5A', '\u20acABCDEF')
|
||
check_format("'\u20acABC'",
|
||
b'%R', '\u20acABC')
|
||
check_format("'\u20acA",
|
||
b'%.3R', '\u20acABCDEF')
|
||
check_format('\u20acAB',
|
||
b'%.3S', '\u20acABCDEF')
|
||
check_format('\u20acAB',
|
||
b'%.3U', '\u20acABCDEF')
|
||
check_format('\u20acAB',
|
||
b'%.3V', '\u20acABCDEF', None)
|
||
check_format('abc[\ufffd',
|
||
b'%.5V', None, 'abc[\u20ac]'.encode('utf8'))
|
||
|
||
# following tests comes from #7330
|
||
# test width modifier and precision modifier with %S
|
||
check_format("repr= abc",
|
||
b'repr=%5S', 'abc')
|
||
check_format("repr=ab",
|
||
b'repr=%.2S', 'abc')
|
||
check_format("repr= ab",
|
||
b'repr=%5.2S', 'abc')
|
||
|
||
# test width modifier and precision modifier with %R
|
||
check_format("repr= 'abc'",
|
||
b'repr=%8R', 'abc')
|
||
check_format("repr='ab",
|
||
b'repr=%.3R', 'abc')
|
||
check_format("repr= 'ab",
|
||
b'repr=%5.3R', 'abc')
|
||
|
||
# test width modifier and precision modifier with %A
|
||
check_format("repr= 'abc'",
|
||
b'repr=%8A', 'abc')
|
||
check_format("repr='ab",
|
||
b'repr=%.3A', 'abc')
|
||
check_format("repr= 'ab",
|
||
b'repr=%5.3A', 'abc')
|
||
|
||
# test width modifier and precision modifier with %s
|
||
check_format("repr= abc",
|
||
b'repr=%5s', b'abc')
|
||
check_format("repr=ab",
|
||
b'repr=%.2s', b'abc')
|
||
check_format("repr= ab",
|
||
b'repr=%5.2s', b'abc')
|
||
|
||
# test width modifier and precision modifier with %U
|
||
check_format("repr= abc",
|
||
b'repr=%5U', 'abc')
|
||
check_format("repr=ab",
|
||
b'repr=%.2U', 'abc')
|
||
check_format("repr= ab",
|
||
b'repr=%5.2U', 'abc')
|
||
|
||
# test width modifier and precision modifier with %V
|
||
check_format("repr= abc",
|
||
b'repr=%5V', 'abc', b'123')
|
||
check_format("repr=ab",
|
||
b'repr=%.2V', 'abc', b'123')
|
||
check_format("repr= ab",
|
||
b'repr=%5.2V', 'abc', b'123')
|
||
check_format("repr= 123",
|
||
b'repr=%5V', None, b'123')
|
||
check_format("repr=12",
|
||
b'repr=%.2V', None, b'123')
|
||
check_format("repr= 12",
|
||
b'repr=%5.2V', None, b'123')
|
||
|
||
# test integer formats (%i, %d, %u)
|
||
check_format('010',
|
||
b'%03i', c_int(10))
|
||
check_format('0010',
|
||
b'%0.4i', c_int(10))
|
||
check_format('-123',
|
||
b'%i', c_int(-123))
|
||
check_format('-123',
|
||
b'%li', c_long(-123))
|
||
check_format('-123',
|
||
b'%lli', c_longlong(-123))
|
||
check_format('-123',
|
||
b'%zi', c_ssize_t(-123))
|
||
|
||
check_format('-123',
|
||
b'%d', c_int(-123))
|
||
check_format('-123',
|
||
b'%ld', c_long(-123))
|
||
check_format('-123',
|
||
b'%lld', c_longlong(-123))
|
||
check_format('-123',
|
||
b'%zd', c_ssize_t(-123))
|
||
|
||
check_format('123',
|
||
b'%u', c_uint(123))
|
||
check_format('123',
|
||
b'%lu', c_ulong(123))
|
||
check_format('123',
|
||
b'%llu', c_ulonglong(123))
|
||
check_format('123',
|
||
b'%zu', c_size_t(123))
|
||
|
||
# test long output
|
||
min_longlong = -(2 ** (8 * sizeof(c_longlong) - 1))
|
||
max_longlong = -min_longlong - 1
|
||
check_format(str(min_longlong),
|
||
b'%lld', c_longlong(min_longlong))
|
||
check_format(str(max_longlong),
|
||
b'%lld', c_longlong(max_longlong))
|
||
max_ulonglong = 2 ** (8 * sizeof(c_ulonglong)) - 1
|
||
check_format(str(max_ulonglong),
|
||
b'%llu', c_ulonglong(max_ulonglong))
|
||
PyUnicode_FromFormat(b'%p', c_void_p(-1))
|
||
|
||
# test padding (width and/or precision)
|
||
check_format('123'.rjust(10, '0'),
|
||
b'%010i', c_int(123))
|
||
check_format('123'.rjust(100),
|
||
b'%100i', c_int(123))
|
||
check_format('123'.rjust(100, '0'),
|
||
b'%.100i', c_int(123))
|
||
check_format('123'.rjust(80, '0').rjust(100),
|
||
b'%100.80i', c_int(123))
|
||
|
||
check_format('123'.rjust(10, '0'),
|
||
b'%010u', c_uint(123))
|
||
check_format('123'.rjust(100),
|
||
b'%100u', c_uint(123))
|
||
check_format('123'.rjust(100, '0'),
|
||
b'%.100u', c_uint(123))
|
||
check_format('123'.rjust(80, '0').rjust(100),
|
||
b'%100.80u', c_uint(123))
|
||
|
||
check_format('123'.rjust(10, '0'),
|
||
b'%010x', c_int(0x123))
|
||
check_format('123'.rjust(100),
|
||
b'%100x', c_int(0x123))
|
||
check_format('123'.rjust(100, '0'),
|
||
b'%.100x', c_int(0x123))
|
||
check_format('123'.rjust(80, '0').rjust(100),
|
||
b'%100.80x', c_int(0x123))
|
||
|
||
# test %A
|
||
check_format(r"%A:'abc\xe9\uabcd\U0010ffff'",
|
||
b'%%A:%A', 'abc\xe9\uabcd\U0010ffff')
|
||
|
||
# test %V
|
||
check_format('repr=abc',
|
||
b'repr=%V', 'abc', b'xyz')
|
||
|
||
# Test string decode from parameter of %s using utf-8.
|
||
# b'\xe4\xba\xba\xe6\xb0\x91' is utf-8 encoded byte sequence of
|
||
# '\u4eba\u6c11'
|
||
check_format('repr=\u4eba\u6c11',
|
||
b'repr=%V', None, b'\xe4\xba\xba\xe6\xb0\x91')
|
||
|
||
#Test replace error handler.
|
||
check_format('repr=abc\ufffd',
|
||
b'repr=%V', None, b'abc\xff')
|
||
|
||
# not supported: copy the raw format string. these tests are just here
|
||
# to check for crashes and should not be considered as specifications
|
||
check_format('%s',
|
||
b'%1%s', b'abc')
|
||
check_format('%1abc',
|
||
b'%1abc')
|
||
check_format('%+i',
|
||
b'%+i', c_int(10))
|
||
check_format('%.%s',
|
||
b'%.%s', b'abc')
|
||
|
||
# Issue #33817: empty strings
|
||
check_format('',
|
||
b'')
|
||
check_format('',
|
||
b'%s', b'')
|
||
|
||
# Test PyUnicode_AsWideChar()
|
||
@support.cpython_only
|
||
def test_aswidechar(self):
|
||
from _testcapi import unicode_aswidechar
|
||
import_helper.import_module('ctypes')
|
||
from ctypes import c_wchar, sizeof
|
||
|
||
wchar, size = unicode_aswidechar('abcdef', 2)
|
||
self.assertEqual(size, 2)
|
||
self.assertEqual(wchar, 'ab')
|
||
|
||
wchar, size = unicode_aswidechar('abc', 3)
|
||
self.assertEqual(size, 3)
|
||
self.assertEqual(wchar, 'abc')
|
||
|
||
wchar, size = unicode_aswidechar('abc', 4)
|
||
self.assertEqual(size, 3)
|
||
self.assertEqual(wchar, 'abc\0')
|
||
|
||
wchar, size = unicode_aswidechar('abc', 10)
|
||
self.assertEqual(size, 3)
|
||
self.assertEqual(wchar, 'abc\0')
|
||
|
||
wchar, size = unicode_aswidechar('abc\0def', 20)
|
||
self.assertEqual(size, 7)
|
||
self.assertEqual(wchar, 'abc\0def\0')
|
||
|
||
nonbmp = chr(0x10ffff)
|
||
if sizeof(c_wchar) == 2:
|
||
buflen = 3
|
||
nchar = 2
|
||
else: # sizeof(c_wchar) == 4
|
||
buflen = 2
|
||
nchar = 1
|
||
wchar, size = unicode_aswidechar(nonbmp, buflen)
|
||
self.assertEqual(size, nchar)
|
||
self.assertEqual(wchar, nonbmp + '\0')
|
||
|
||
# Test PyUnicode_AsWideCharString()
|
||
@support.cpython_only
|
||
def test_aswidecharstring(self):
|
||
from _testcapi import unicode_aswidecharstring
|
||
import_helper.import_module('ctypes')
|
||
from ctypes import c_wchar, sizeof
|
||
|
||
wchar, size = unicode_aswidecharstring('abc')
|
||
self.assertEqual(size, 3)
|
||
self.assertEqual(wchar, 'abc\0')
|
||
|
||
wchar, size = unicode_aswidecharstring('abc\0def')
|
||
self.assertEqual(size, 7)
|
||
self.assertEqual(wchar, 'abc\0def\0')
|
||
|
||
nonbmp = chr(0x10ffff)
|
||
if sizeof(c_wchar) == 2:
|
||
nchar = 2
|
||
else: # sizeof(c_wchar) == 4
|
||
nchar = 1
|
||
wchar, size = unicode_aswidecharstring(nonbmp)
|
||
self.assertEqual(size, nchar)
|
||
self.assertEqual(wchar, nonbmp + '\0')
|
||
|
||
# Test PyUnicode_AsUCS4()
|
||
@support.cpython_only
|
||
def test_asucs4(self):
|
||
from _testcapi import unicode_asucs4
|
||
for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600',
|
||
'a\ud800b\udfffc', '\ud834\udd1e']:
|
||
l = len(s)
|
||
self.assertEqual(unicode_asucs4(s, l, True), s+'\0')
|
||
self.assertEqual(unicode_asucs4(s, l, False), s+'\uffff')
|
||
self.assertEqual(unicode_asucs4(s, l+1, True), s+'\0\uffff')
|
||
self.assertEqual(unicode_asucs4(s, l+1, False), s+'\0\uffff')
|
||
self.assertRaises(SystemError, unicode_asucs4, s, l-1, True)
|
||
self.assertRaises(SystemError, unicode_asucs4, s, l-2, False)
|
||
s = '\0'.join([s, s])
|
||
self.assertEqual(unicode_asucs4(s, len(s), True), s+'\0')
|
||
self.assertEqual(unicode_asucs4(s, len(s), False), s+'\uffff')
|
||
|
||
# Test PyUnicode_AsUTF8()
|
||
@support.cpython_only
|
||
def test_asutf8(self):
|
||
from _testcapi import unicode_asutf8
|
||
|
||
bmp = '\u0100'
|
||
bmp2 = '\uffff'
|
||
nonbmp = chr(0x10ffff)
|
||
|
||
self.assertEqual(unicode_asutf8(bmp), b'\xc4\x80')
|
||
self.assertEqual(unicode_asutf8(bmp2), b'\xef\xbf\xbf')
|
||
self.assertEqual(unicode_asutf8(nonbmp), b'\xf4\x8f\xbf\xbf')
|
||
self.assertRaises(UnicodeEncodeError, unicode_asutf8, 'a\ud800b\udfffc')
|
||
|
||
# Test PyUnicode_AsUTF8AndSize()
|
||
@support.cpython_only
|
||
def test_asutf8andsize(self):
|
||
from _testcapi import unicode_asutf8andsize
|
||
|
||
bmp = '\u0100'
|
||
bmp2 = '\uffff'
|
||
nonbmp = chr(0x10ffff)
|
||
|
||
self.assertEqual(unicode_asutf8andsize(bmp), (b'\xc4\x80', 2))
|
||
self.assertEqual(unicode_asutf8andsize(bmp2), (b'\xef\xbf\xbf', 3))
|
||
self.assertEqual(unicode_asutf8andsize(nonbmp), (b'\xf4\x8f\xbf\xbf', 4))
|
||
self.assertRaises(UnicodeEncodeError, unicode_asutf8andsize, 'a\ud800b\udfffc')
|
||
|
||
# Test PyUnicode_FindChar()
|
||
@support.cpython_only
|
||
def test_findchar(self):
|
||
from _testcapi import unicode_findchar
|
||
|
||
for str in "\xa1", "\u8000\u8080", "\ud800\udc02", "\U0001f100\U0001f1f1":
|
||
for i, ch in enumerate(str):
|
||
self.assertEqual(unicode_findchar(str, ord(ch), 0, len(str), 1), i)
|
||
self.assertEqual(unicode_findchar(str, ord(ch), 0, len(str), -1), i)
|
||
|
||
str = "!>_<!"
|
||
self.assertEqual(unicode_findchar(str, 0x110000, 0, len(str), 1), -1)
|
||
self.assertEqual(unicode_findchar(str, 0x110000, 0, len(str), -1), -1)
|
||
# start < end
|
||
self.assertEqual(unicode_findchar(str, ord('!'), 1, len(str)+1, 1), 4)
|
||
self.assertEqual(unicode_findchar(str, ord('!'), 1, len(str)+1, -1), 4)
|
||
# start >= end
|
||
self.assertEqual(unicode_findchar(str, ord('!'), 0, 0, 1), -1)
|
||
self.assertEqual(unicode_findchar(str, ord('!'), len(str), 0, 1), -1)
|
||
# negative
|
||
self.assertEqual(unicode_findchar(str, ord('!'), -len(str), -1, 1), 0)
|
||
self.assertEqual(unicode_findchar(str, ord('!'), -len(str), -1, -1), 0)
|
||
|
||
# Test PyUnicode_CopyCharacters()
|
||
@support.cpython_only
|
||
def test_copycharacters(self):
|
||
from _testcapi import unicode_copycharacters
|
||
|
||
strings = [
|
||
'abcde', '\xa1\xa2\xa3\xa4\xa5',
|
||
'\u4f60\u597d\u4e16\u754c\uff01',
|
||
'\U0001f600\U0001f601\U0001f602\U0001f603\U0001f604'
|
||
]
|
||
|
||
for idx, from_ in enumerate(strings):
|
||
# wide -> narrow: exceed maxchar limitation
|
||
for to in strings[:idx]:
|
||
self.assertRaises(
|
||
SystemError,
|
||
unicode_copycharacters, to, 0, from_, 0, 5
|
||
)
|
||
# same kind
|
||
for from_start in range(5):
|
||
self.assertEqual(
|
||
unicode_copycharacters(from_, 0, from_, from_start, 5),
|
||
(from_[from_start:from_start+5].ljust(5, '\0'),
|
||
5-from_start)
|
||
)
|
||
for to_start in range(5):
|
||
self.assertEqual(
|
||
unicode_copycharacters(from_, to_start, from_, to_start, 5),
|
||
(from_[to_start:to_start+5].rjust(5, '\0'),
|
||
5-to_start)
|
||
)
|
||
# narrow -> wide
|
||
# Tests omitted since this creates invalid strings.
|
||
|
||
s = strings[0]
|
||
self.assertRaises(IndexError, unicode_copycharacters, s, 6, s, 0, 5)
|
||
self.assertRaises(IndexError, unicode_copycharacters, s, -1, s, 0, 5)
|
||
self.assertRaises(IndexError, unicode_copycharacters, s, 0, s, 6, 5)
|
||
self.assertRaises(IndexError, unicode_copycharacters, s, 0, s, -1, 5)
|
||
self.assertRaises(SystemError, unicode_copycharacters, s, 1, s, 0, 5)
|
||
self.assertRaises(SystemError, unicode_copycharacters, s, 0, s, 0, -1)
|
||
self.assertRaises(SystemError, unicode_copycharacters, s, 0, b'', 0, 0)
|
||
|
||
@support.cpython_only
|
||
@support.requires_legacy_unicode_capi
|
||
def test_encode_decimal(self):
|
||
from _testcapi import unicode_encodedecimal
|
||
with warnings_helper.check_warnings():
|
||
warnings.simplefilter('ignore', DeprecationWarning)
|
||
self.assertEqual(unicode_encodedecimal('123'),
|
||
b'123')
|
||
self.assertEqual(unicode_encodedecimal('\u0663.\u0661\u0664'),
|
||
b'3.14')
|
||
self.assertEqual(unicode_encodedecimal(
|
||
"\N{EM SPACE}3.14\N{EN SPACE}"), b' 3.14 ')
|
||
self.assertRaises(UnicodeEncodeError,
|
||
unicode_encodedecimal, "123\u20ac", "strict")
|
||
self.assertRaisesRegex(
|
||
ValueError,
|
||
"^'decimal' codec can't encode character",
|
||
unicode_encodedecimal, "123\u20ac", "replace")
|
||
|
||
@support.cpython_only
|
||
@support.requires_legacy_unicode_capi
|
||
def test_transform_decimal(self):
|
||
from _testcapi import unicode_transformdecimaltoascii as transform_decimal
|
||
with warnings_helper.check_warnings():
|
||
warnings.simplefilter('ignore', DeprecationWarning)
|
||
self.assertEqual(transform_decimal('123'),
|
||
'123')
|
||
self.assertEqual(transform_decimal('\u0663.\u0661\u0664'),
|
||
'3.14')
|
||
self.assertEqual(transform_decimal("\N{EM SPACE}3.14\N{EN SPACE}"),
|
||
"\N{EM SPACE}3.14\N{EN SPACE}")
|
||
self.assertEqual(transform_decimal('123\u20ac'),
|
||
'123\u20ac')
|
||
|
||
@support.cpython_only
|
||
def test_pep393_utf8_caching_bug(self):
|
||
# Issue #25709: Problem with string concatenation and utf-8 cache
|
||
from _testcapi import getargs_s_hash
|
||
for k in 0x24, 0xa4, 0x20ac, 0x1f40d:
|
||
s = ''
|
||
for i in range(5):
|
||
# Due to CPython specific optimization the 's' string can be
|
||
# resized in-place.
|
||
s += chr(k)
|
||
# Parsing with the "s#" format code calls indirectly
|
||
# PyUnicode_AsUTF8AndSize() which creates the UTF-8
|
||
# encoded string cached in the Unicode object.
|
||
self.assertEqual(getargs_s_hash(s), chr(k).encode() * (i + 1))
|
||
# Check that the second call returns the same result
|
||
self.assertEqual(getargs_s_hash(s), chr(k).encode() * (i + 1))
|
||
|
||
class StringModuleTest(unittest.TestCase):
|
||
def test_formatter_parser(self):
|
||
def parse(format):
|
||
return list(_string.formatter_parser(format))
|
||
|
||
formatter = parse("prefix {2!s}xxx{0:^+10.3f}{obj.attr!s} {z[0]!s:10}")
|
||
self.assertEqual(formatter, [
|
||
('prefix ', '2', '', 's'),
|
||
('xxx', '0', '^+10.3f', None),
|
||
('', 'obj.attr', '', 's'),
|
||
(' ', 'z[0]', '10', 's'),
|
||
])
|
||
|
||
formatter = parse("prefix {} suffix")
|
||
self.assertEqual(formatter, [
|
||
('prefix ', '', '', None),
|
||
(' suffix', None, None, None),
|
||
])
|
||
|
||
formatter = parse("str")
|
||
self.assertEqual(formatter, [
|
||
('str', None, None, None),
|
||
])
|
||
|
||
formatter = parse("")
|
||
self.assertEqual(formatter, [])
|
||
|
||
formatter = parse("{0}")
|
||
self.assertEqual(formatter, [
|
||
('', '0', '', None),
|
||
])
|
||
|
||
self.assertRaises(TypeError, _string.formatter_parser, 1)
|
||
|
||
def test_formatter_field_name_split(self):
|
||
def split(name):
|
||
items = list(_string.formatter_field_name_split(name))
|
||
items[1] = list(items[1])
|
||
return items
|
||
self.assertEqual(split("obj"), ["obj", []])
|
||
self.assertEqual(split("obj.arg"), ["obj", [(True, 'arg')]])
|
||
self.assertEqual(split("obj[key]"), ["obj", [(False, 'key')]])
|
||
self.assertEqual(split("obj.arg[key1][key2]"), [
|
||
"obj",
|
||
[(True, 'arg'),
|
||
(False, 'key1'),
|
||
(False, 'key2'),
|
||
]])
|
||
self.assertRaises(TypeError, _string.formatter_field_name_split, 1)
|
||
|
||
|
||
if __name__ == "__main__":
|
||
unittest.main()
|