565 lines
26 KiB
Python
565 lines
26 KiB
Python
#!/usr/bin/env python3
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# -*- mode: python -*-
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# Re test suite and benchmark suite v1.5
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# The 3 possible outcomes for each pattern
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[SUCCEED, FAIL, SYNTAX_ERROR] = range(3)
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# Benchmark suite (needs expansion)
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#
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# The benchmark suite does not test correctness, just speed. The
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# first element of each tuple is the regex pattern; the second is a
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# string to match it against. The benchmarking code will embed the
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# second string inside several sizes of padding, to test how regex
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# matching performs on large strings.
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benchmarks = [
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# test common prefix
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('Python|Perl', 'Perl'), # Alternation
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('(Python|Perl)', 'Perl'), # Grouped alternation
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('Python|Perl|Tcl', 'Perl'), # Alternation
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('(Python|Perl|Tcl)', 'Perl'), # Grouped alternation
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('(Python)\\1', 'PythonPython'), # Backreference
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('([0a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # Disable the fastmap optimization
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('([a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # A few sets
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('Python', 'Python'), # Simple text literal
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('.*Python', 'Python'), # Bad text literal
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('.*Python.*', 'Python'), # Worse text literal
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('.*(Python)', 'Python'), # Bad text literal with grouping
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]
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# Test suite (for verifying correctness)
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#
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# The test suite is a list of 5- or 3-tuples. The 5 parts of a
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# complete tuple are:
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# element 0: a string containing the pattern
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# 1: the string to match against the pattern
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# 2: the expected result (SUCCEED, FAIL, SYNTAX_ERROR)
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# 3: a string that will be eval()'ed to produce a test string.
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# This is an arbitrary Python expression; the available
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# variables are "found" (the whole match), and "g1", "g2", ...
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# up to "g99" contain the contents of each group, or the
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# string 'None' if the group wasn't given a value, or the
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# string 'Error' if the group index was out of range;
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# also "groups", the return value of m.group() (a tuple).
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# 4: The expected result of evaluating the expression.
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# If the two don't match, an error is reported.
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#
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# If the regex isn't expected to work, the latter two elements can be omitted.
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tests = [
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# Test ?P< and ?P= extensions
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('(?P<foo_123', '', SYNTAX_ERROR), # Unterminated group identifier
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('(?P<1>a)', '', SYNTAX_ERROR), # Begins with a digit
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('(?P<!>a)', '', SYNTAX_ERROR), # Begins with an illegal char
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('(?P<foo!>a)', '', SYNTAX_ERROR), # Begins with an illegal char
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# Same tests, for the ?P= form
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('(?P<foo_123>a)(?P=foo_123', 'aa', SYNTAX_ERROR),
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('(?P<foo_123>a)(?P=1)', 'aa', SYNTAX_ERROR),
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('(?P<foo_123>a)(?P=!)', 'aa', SYNTAX_ERROR),
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('(?P<foo_123>a)(?P=foo_124', 'aa', SYNTAX_ERROR), # Backref to undefined group
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('(?P<foo_123>a)', 'a', SUCCEED, 'g1', 'a'),
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('(?P<foo_123>a)(?P=foo_123)', 'aa', SUCCEED, 'g1', 'a'),
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# Test octal escapes
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('\\1', 'a', SYNTAX_ERROR), # Backreference
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('[\\1]', '\1', SUCCEED, 'found', '\1'), # Character
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('\\09', chr(0) + '9', SUCCEED, 'found', chr(0) + '9'),
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('\\141', 'a', SUCCEED, 'found', 'a'),
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('(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\119', 'abcdefghijklk9', SUCCEED, 'found+"-"+g11', 'abcdefghijklk9-k'),
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# Test \0 is handled everywhere
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(r'\0', '\0', SUCCEED, 'found', '\0'),
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(r'[\0a]', '\0', SUCCEED, 'found', '\0'),
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(r'[a\0]', '\0', SUCCEED, 'found', '\0'),
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(r'[^a\0]', '\0', FAIL),
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# Test various letter escapes
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(r'\a[\b]\f\n\r\t\v', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'),
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(r'[\a][\b][\f][\n][\r][\t][\v]', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'),
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# NOTE: not an error under PCRE/PRE:
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(r'\u', '', SYNTAX_ERROR), # A Perl escape
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# (r'\c\e\g\h\i\j\k\m\o\p\q\y\z', 'ceghijkmopqyz', SUCCEED, 'found', 'ceghijkmopqyz'),
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# new \x semantics
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(r'\x00ffffffffffffff', '\377', FAIL, 'found', chr(255)),
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(r'\x00f', '\017', FAIL, 'found', chr(15)),
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(r'\x00fe', '\376', FAIL, 'found', chr(254)),
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# (r'\x00ffffffffffffff', '\377', SUCCEED, 'found', chr(255)),
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# (r'\x00f', '\017', SUCCEED, 'found', chr(15)),
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# (r'\x00fe', '\376', SUCCEED, 'found', chr(254)),
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(r"^\w+=(\\[\000-\277]|[^\n\\])*", "SRC=eval.c g.c blah blah blah \\\\\n\tapes.c",
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SUCCEED, 'found', "SRC=eval.c g.c blah blah blah \\\\"),
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# Test that . only matches \n in DOTALL mode
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('a.b', 'acb', SUCCEED, 'found', 'acb'),
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('a.b', 'a\nb', FAIL),
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('a.*b', 'acc\nccb', FAIL),
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('a.{4,5}b', 'acc\nccb', FAIL),
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('a.b', 'a\rb', SUCCEED, 'found', 'a\rb'),
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('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'),
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('(?s)a.*b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
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('(?s)a.{4,5}b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'),
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('(?s)a.b', 'a\rb', SUCCEED, 'found', 'a\rb'),
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(')', '', SYNTAX_ERROR), # Unmatched right bracket
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('', '', SUCCEED, 'found', ''), # Empty pattern
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('abc', 'abc', SUCCEED, 'found', 'abc'),
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('abc', 'xbc', FAIL),
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('abc', 'axc', FAIL),
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('abc', 'abx', FAIL),
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('abc', 'xabcy', SUCCEED, 'found', 'abc'),
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('abc', 'ababc', SUCCEED, 'found', 'abc'),
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('ab*c', 'abc', SUCCEED, 'found', 'abc'),
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('ab*bc', 'abc', SUCCEED, 'found', 'abc'),
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('ab*bc', 'abbc', SUCCEED, 'found', 'abbc'),
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('ab*bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
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('ab+bc', 'abbc', SUCCEED, 'found', 'abbc'),
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('ab+bc', 'abc', FAIL),
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('ab+bc', 'abq', FAIL),
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('ab+bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
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('ab?bc', 'abbc', SUCCEED, 'found', 'abbc'),
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('ab?bc', 'abc', SUCCEED, 'found', 'abc'),
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('ab?bc', 'abbbbc', FAIL),
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('ab?c', 'abc', SUCCEED, 'found', 'abc'),
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('^abc$', 'abc', SUCCEED, 'found', 'abc'),
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('^abc$', 'abcc', FAIL),
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('^abc', 'abcc', SUCCEED, 'found', 'abc'),
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('^abc$', 'aabc', FAIL),
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('abc$', 'aabc', SUCCEED, 'found', 'abc'),
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('^', 'abc', SUCCEED, 'found+"-"', '-'),
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('$', 'abc', SUCCEED, 'found+"-"', '-'),
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('a.c', 'abc', SUCCEED, 'found', 'abc'),
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('a.c', 'axc', SUCCEED, 'found', 'axc'),
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('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'),
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('a.*c', 'axyzd', FAIL),
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('a[bc]d', 'abc', FAIL),
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('a[bc]d', 'abd', SUCCEED, 'found', 'abd'),
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('a[b-d]e', 'abd', FAIL),
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('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'),
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('a[b-d]', 'aac', SUCCEED, 'found', 'ac'),
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('a[-b]', 'a-', SUCCEED, 'found', 'a-'),
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('a[\\-b]', 'a-', SUCCEED, 'found', 'a-'),
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# NOTE: not an error under PCRE/PRE:
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# ('a[b-]', 'a-', SYNTAX_ERROR),
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('a[]b', '-', SYNTAX_ERROR),
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('a[', '-', SYNTAX_ERROR),
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('a\\', '-', SYNTAX_ERROR),
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('abc)', '-', SYNTAX_ERROR),
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('(abc', '-', SYNTAX_ERROR),
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('a]', 'a]', SUCCEED, 'found', 'a]'),
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('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'),
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('a[\\]]b', 'a]b', SUCCEED, 'found', 'a]b'),
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('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'),
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('a[^bc]d', 'abd', FAIL),
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('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'),
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('a[^-b]c', 'a-c', FAIL),
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('a[^]b]c', 'a]c', FAIL),
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('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'),
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('\\ba\\b', 'a-', SUCCEED, '"-"', '-'),
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('\\ba\\b', '-a', SUCCEED, '"-"', '-'),
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('\\ba\\b', '-a-', SUCCEED, '"-"', '-'),
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('\\by\\b', 'xy', FAIL),
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('\\by\\b', 'yz', FAIL),
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('\\by\\b', 'xyz', FAIL),
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('x\\b', 'xyz', FAIL),
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('x\\B', 'xyz', SUCCEED, '"-"', '-'),
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('\\Bz', 'xyz', SUCCEED, '"-"', '-'),
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('z\\B', 'xyz', FAIL),
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('\\Bx', 'xyz', FAIL),
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('\\Ba\\B', 'a-', FAIL, '"-"', '-'),
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('\\Ba\\B', '-a', FAIL, '"-"', '-'),
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('\\Ba\\B', '-a-', FAIL, '"-"', '-'),
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('\\By\\B', 'xy', FAIL),
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('\\By\\B', 'yz', FAIL),
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('\\By\\b', 'xy', SUCCEED, '"-"', '-'),
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('\\by\\B', 'yz', SUCCEED, '"-"', '-'),
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('\\By\\B', 'xyz', SUCCEED, '"-"', '-'),
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('ab|cd', 'abc', SUCCEED, 'found', 'ab'),
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('ab|cd', 'abcd', SUCCEED, 'found', 'ab'),
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('()ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'),
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('$b', 'b', FAIL),
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('a\\(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-Error'),
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('a\\(*b', 'ab', SUCCEED, 'found', 'ab'),
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('a\\(*b', 'a((b', SUCCEED, 'found', 'a((b'),
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('a\\\\b', 'a\\b', SUCCEED, 'found', 'a\\b'),
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('((a))', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'a-a-a'),
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('(a)b(c)', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'abc-a-c'),
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('a+b+c', 'aabbabc', SUCCEED, 'found', 'abc'),
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('(a+|b)*', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
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('(a+|b)+', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
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('(a+|b)?', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
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(')(', '-', SYNTAX_ERROR),
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('[^ab]*', 'cde', SUCCEED, 'found', 'cde'),
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('abc', '', FAIL),
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('a*', '', SUCCEED, 'found', ''),
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('a|b|c|d|e', 'e', SUCCEED, 'found', 'e'),
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('(a|b|c|d|e)f', 'ef', SUCCEED, 'found+"-"+g1', 'ef-e'),
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('abcd*efg', 'abcdefg', SUCCEED, 'found', 'abcdefg'),
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('ab*', 'xabyabbbz', SUCCEED, 'found', 'ab'),
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('ab*', 'xayabbbz', SUCCEED, 'found', 'a'),
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('(ab|cd)e', 'abcde', SUCCEED, 'found+"-"+g1', 'cde-cd'),
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('[abhgefdc]ij', 'hij', SUCCEED, 'found', 'hij'),
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('^(ab|cd)e', 'abcde', FAIL, 'xg1y', 'xy'),
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('(abc|)ef', 'abcdef', SUCCEED, 'found+"-"+g1', 'ef-'),
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('(a|b)c*d', 'abcd', SUCCEED, 'found+"-"+g1', 'bcd-b'),
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('(ab|ab*)bc', 'abc', SUCCEED, 'found+"-"+g1', 'abc-a'),
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('a([bc]*)c*', 'abc', SUCCEED, 'found+"-"+g1', 'abc-bc'),
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('a([bc]*)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
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('a([bc]+)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
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('a([bc]*)(c+d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
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('a[bcd]*dcdcde', 'adcdcde', SUCCEED, 'found', 'adcdcde'),
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('a[bcd]+dcdcde', 'adcdcde', FAIL),
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('(ab|a)b*c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-ab'),
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('((a)(b)c)(d)', 'abcd', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
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('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED, 'found', 'alpha'),
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('^a(bc+|b[eh])g|.h$', 'abh', SUCCEED, 'found+"-"+g1', 'bh-None'),
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('(bc+d$|ef*g.|h?i(j|k))', 'effgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
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('(bc+d$|ef*g.|h?i(j|k))', 'ij', SUCCEED, 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
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('(bc+d$|ef*g.|h?i(j|k))', 'effg', FAIL),
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('(bc+d$|ef*g.|h?i(j|k))', 'bcdd', FAIL),
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('(bc+d$|ef*g.|h?i(j|k))', 'reffgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
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('(((((((((a)))))))))', 'a', SUCCEED, 'found', 'a'),
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('multiple words of text', 'uh-uh', FAIL),
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('multiple words', 'multiple words, yeah', SUCCEED, 'found', 'multiple words'),
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('(.*)c(.*)', 'abcde', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
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('\\((.*), (.*)\\)', '(a, b)', SUCCEED, 'g2+"-"+g1', 'b-a'),
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('[k]', 'ab', FAIL),
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('a[-]?c', 'ac', SUCCEED, 'found', 'ac'),
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('(abc)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
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('([a-c]*)\\1', 'abcabc', SUCCEED, 'g1', 'abc'),
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('^(.+)?B', 'AB', SUCCEED, 'g1', 'A'),
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('(a+).\\1$', 'aaaaa', SUCCEED, 'found+"-"+g1', 'aaaaa-aa'),
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('^(a+).\\1$', 'aaaa', FAIL),
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('(abc)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
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('([a-c]+)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
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('(a)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
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('(a+)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
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('(a+)+\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'),
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('(a).+\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'),
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('(a)ba*\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'),
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('(aa|a)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
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('(a|aa)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
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('(a+)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'),
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('([abc]*)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'),
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('(a)(b)c|ab', 'ab', SUCCEED, 'found+"-"+g1+"-"+g2', 'ab-None-None'),
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('(a)+x', 'aaax', SUCCEED, 'found+"-"+g1', 'aaax-a'),
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('([ac])+x', 'aacx', SUCCEED, 'found+"-"+g1', 'aacx-c'),
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('([^/]*/)*sub1/', 'd:msgs/tdir/sub1/trial/away.cpp', SUCCEED, 'found+"-"+g1', 'd:msgs/tdir/sub1/-tdir/'),
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('([^.]*)\\.([^:]*):[T ]+(.*)', 'track1.title:TBlah blah blah', SUCCEED, 'found+"-"+g1+"-"+g2+"-"+g3', 'track1.title:TBlah blah blah-track1-title-Blah blah blah'),
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('([^N]*N)+', 'abNNxyzN', SUCCEED, 'found+"-"+g1', 'abNNxyzN-xyzN'),
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('([^N]*N)+', 'abNNxyz', SUCCEED, 'found+"-"+g1', 'abNN-N'),
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('([abc]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'abcx-abc'),
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('([abc]*)x', 'abc', FAIL),
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('([xyz]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'x-'),
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('(a)+b|aac', 'aac', SUCCEED, 'found+"-"+g1', 'aac-None'),
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# Test symbolic groups
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('(?P<i d>aaa)a', 'aaaa', SYNTAX_ERROR),
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('(?P<id>aaa)a', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aaa'),
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('(?P<id>aa)(?P=id)', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aa'),
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('(?P<id>aa)(?P=xd)', 'aaaa', SYNTAX_ERROR),
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# Test octal escapes/memory references
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('\\1', 'a', SYNTAX_ERROR),
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# All tests from Perl
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('ab{0,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
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('ab{1,}bc', 'abq', FAIL),
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('ab{1,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
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('ab{1,3}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
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('ab{3,4}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'),
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('ab{4,5}bc', 'abbbbc', FAIL),
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('ab{0,1}bc', 'abc', SUCCEED, 'found', 'abc'),
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('ab{0,1}c', 'abc', SUCCEED, 'found', 'abc'),
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('^', 'abc', SUCCEED, 'found', ''),
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('$', 'abc', SUCCEED, 'found', ''),
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('a[b-]', 'a-', SUCCEED, 'found', 'a-'),
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('a[b-a]', '-', SYNTAX_ERROR),
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('*a', '-', SYNTAX_ERROR),
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('(*)b', '-', SYNTAX_ERROR),
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('a{1,}b{1,}c', 'aabbabc', SUCCEED, 'found', 'abc'),
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('a**', '-', SYNTAX_ERROR),
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('a.+?c', 'abcabc', SUCCEED, 'found', 'abc'),
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('(a+|b){0,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
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('(a+|b){1,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'),
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('(a+|b){0,1}', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'),
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('([abc])*d', 'abbbcd', SUCCEED, 'found+"-"+g1', 'abbbcd-c'),
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('([abc])*bcd', 'abcd', SUCCEED, 'found+"-"+g1', 'abcd-a'),
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('^(ab|cd)e', 'abcde', FAIL),
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('((((((((((a))))))))))', 'a', SUCCEED, 'g10', 'a'),
|
|
('((((((((((a))))))))))\\10', 'aa', SUCCEED, 'found', 'aa'),
|
|
# Python does not have the same rules for \\41 so this is a syntax error
|
|
# ('((((((((((a))))))))))\\41', 'aa', FAIL),
|
|
# ('((((((((((a))))))))))\\41', 'a!', SUCCEED, 'found', 'a!'),
|
|
('((((((((((a))))))))))\\41', '', SYNTAX_ERROR),
|
|
('(?i)((((((((((a))))))))))\\41', '', SYNTAX_ERROR),
|
|
('(?i)abc', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)abc', 'XBC', FAIL),
|
|
('(?i)abc', 'AXC', FAIL),
|
|
('(?i)abc', 'ABX', FAIL),
|
|
('(?i)abc', 'XABCY', SUCCEED, 'found', 'ABC'),
|
|
('(?i)abc', 'ABABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)ab*c', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)ab*bc', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)ab*bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
|
|
('(?i)ab*?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
|
|
('(?i)ab{0,}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
|
|
('(?i)ab+?bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
|
|
('(?i)ab+bc', 'ABC', FAIL),
|
|
('(?i)ab+bc', 'ABQ', FAIL),
|
|
('(?i)ab{1,}bc', 'ABQ', FAIL),
|
|
('(?i)ab+bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
|
|
('(?i)ab{1,}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
|
|
('(?i)ab{1,3}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
|
|
('(?i)ab{3,4}?bc', 'ABBBBC', SUCCEED, 'found', 'ABBBBC'),
|
|
('(?i)ab{4,5}?bc', 'ABBBBC', FAIL),
|
|
('(?i)ab??bc', 'ABBC', SUCCEED, 'found', 'ABBC'),
|
|
('(?i)ab??bc', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)ab{0,1}?bc', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)ab??bc', 'ABBBBC', FAIL),
|
|
('(?i)ab??c', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)ab{0,1}?c', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)^abc$', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)^abc$', 'ABCC', FAIL),
|
|
('(?i)^abc', 'ABCC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)^abc$', 'AABC', FAIL),
|
|
('(?i)abc$', 'AABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)^', 'ABC', SUCCEED, 'found', ''),
|
|
('(?i)$', 'ABC', SUCCEED, 'found', ''),
|
|
('(?i)a.c', 'ABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)a.c', 'AXC', SUCCEED, 'found', 'AXC'),
|
|
('(?i)a.*?c', 'AXYZC', SUCCEED, 'found', 'AXYZC'),
|
|
('(?i)a.*c', 'AXYZD', FAIL),
|
|
('(?i)a[bc]d', 'ABC', FAIL),
|
|
('(?i)a[bc]d', 'ABD', SUCCEED, 'found', 'ABD'),
|
|
('(?i)a[b-d]e', 'ABD', FAIL),
|
|
('(?i)a[b-d]e', 'ACE', SUCCEED, 'found', 'ACE'),
|
|
('(?i)a[b-d]', 'AAC', SUCCEED, 'found', 'AC'),
|
|
('(?i)a[-b]', 'A-', SUCCEED, 'found', 'A-'),
|
|
('(?i)a[b-]', 'A-', SUCCEED, 'found', 'A-'),
|
|
('(?i)a[b-a]', '-', SYNTAX_ERROR),
|
|
('(?i)a[]b', '-', SYNTAX_ERROR),
|
|
('(?i)a[', '-', SYNTAX_ERROR),
|
|
('(?i)a]', 'A]', SUCCEED, 'found', 'A]'),
|
|
('(?i)a[]]b', 'A]B', SUCCEED, 'found', 'A]B'),
|
|
('(?i)a[^bc]d', 'AED', SUCCEED, 'found', 'AED'),
|
|
('(?i)a[^bc]d', 'ABD', FAIL),
|
|
('(?i)a[^-b]c', 'ADC', SUCCEED, 'found', 'ADC'),
|
|
('(?i)a[^-b]c', 'A-C', FAIL),
|
|
('(?i)a[^]b]c', 'A]C', FAIL),
|
|
('(?i)a[^]b]c', 'ADC', SUCCEED, 'found', 'ADC'),
|
|
('(?i)ab|cd', 'ABC', SUCCEED, 'found', 'AB'),
|
|
('(?i)ab|cd', 'ABCD', SUCCEED, 'found', 'AB'),
|
|
('(?i)()ef', 'DEF', SUCCEED, 'found+"-"+g1', 'EF-'),
|
|
('(?i)*a', '-', SYNTAX_ERROR),
|
|
('(?i)(*)b', '-', SYNTAX_ERROR),
|
|
('(?i)$b', 'B', FAIL),
|
|
('(?i)a\\', '-', SYNTAX_ERROR),
|
|
('(?i)a\\(b', 'A(B', SUCCEED, 'found+"-"+g1', 'A(B-Error'),
|
|
('(?i)a\\(*b', 'AB', SUCCEED, 'found', 'AB'),
|
|
('(?i)a\\(*b', 'A((B', SUCCEED, 'found', 'A((B'),
|
|
('(?i)a\\\\b', 'A\\B', SUCCEED, 'found', 'A\\B'),
|
|
('(?i)abc)', '-', SYNTAX_ERROR),
|
|
('(?i)(abc', '-', SYNTAX_ERROR),
|
|
('(?i)((a))', 'ABC', SUCCEED, 'found+"-"+g1+"-"+g2', 'A-A-A'),
|
|
('(?i)(a)b(c)', 'ABC', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABC-A-C'),
|
|
('(?i)a+b+c', 'AABBABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)a{1,}b{1,}c', 'AABBABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)a**', '-', SYNTAX_ERROR),
|
|
('(?i)a.+?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)a.*?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)a.{0,5}?c', 'ABCABC', SUCCEED, 'found', 'ABC'),
|
|
('(?i)(a+|b)*', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
|
|
('(?i)(a+|b){0,}', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
|
|
('(?i)(a+|b)+', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
|
|
('(?i)(a+|b){1,}', 'AB', SUCCEED, 'found+"-"+g1', 'AB-B'),
|
|
('(?i)(a+|b)?', 'AB', SUCCEED, 'found+"-"+g1', 'A-A'),
|
|
('(?i)(a+|b){0,1}', 'AB', SUCCEED, 'found+"-"+g1', 'A-A'),
|
|
('(?i)(a+|b){0,1}?', 'AB', SUCCEED, 'found+"-"+g1', '-None'),
|
|
('(?i))(', '-', SYNTAX_ERROR),
|
|
('(?i)[^ab]*', 'CDE', SUCCEED, 'found', 'CDE'),
|
|
('(?i)abc', '', FAIL),
|
|
('(?i)a*', '', SUCCEED, 'found', ''),
|
|
('(?i)([abc])*d', 'ABBBCD', SUCCEED, 'found+"-"+g1', 'ABBBCD-C'),
|
|
('(?i)([abc])*bcd', 'ABCD', SUCCEED, 'found+"-"+g1', 'ABCD-A'),
|
|
('(?i)a|b|c|d|e', 'E', SUCCEED, 'found', 'E'),
|
|
('(?i)(a|b|c|d|e)f', 'EF', SUCCEED, 'found+"-"+g1', 'EF-E'),
|
|
('(?i)abcd*efg', 'ABCDEFG', SUCCEED, 'found', 'ABCDEFG'),
|
|
('(?i)ab*', 'XABYABBBZ', SUCCEED, 'found', 'AB'),
|
|
('(?i)ab*', 'XAYABBBZ', SUCCEED, 'found', 'A'),
|
|
('(?i)(ab|cd)e', 'ABCDE', SUCCEED, 'found+"-"+g1', 'CDE-CD'),
|
|
('(?i)[abhgefdc]ij', 'HIJ', SUCCEED, 'found', 'HIJ'),
|
|
('(?i)^(ab|cd)e', 'ABCDE', FAIL),
|
|
('(?i)(abc|)ef', 'ABCDEF', SUCCEED, 'found+"-"+g1', 'EF-'),
|
|
('(?i)(a|b)c*d', 'ABCD', SUCCEED, 'found+"-"+g1', 'BCD-B'),
|
|
('(?i)(ab|ab*)bc', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-A'),
|
|
('(?i)a([bc]*)c*', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-BC'),
|
|
('(?i)a([bc]*)(c*d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-BC-D'),
|
|
('(?i)a([bc]+)(c*d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-BC-D'),
|
|
('(?i)a([bc]*)(c+d)', 'ABCD', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCD-B-CD'),
|
|
('(?i)a[bcd]*dcdcde', 'ADCDCDE', SUCCEED, 'found', 'ADCDCDE'),
|
|
('(?i)a[bcd]+dcdcde', 'ADCDCDE', FAIL),
|
|
('(?i)(ab|a)b*c', 'ABC', SUCCEED, 'found+"-"+g1', 'ABC-AB'),
|
|
('(?i)((a)(b)c)(d)', 'ABCD', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'ABC-A-B-D'),
|
|
('(?i)[a-zA-Z_][a-zA-Z0-9_]*', 'ALPHA', SUCCEED, 'found', 'ALPHA'),
|
|
('(?i)^a(bc+|b[eh])g|.h$', 'ABH', SUCCEED, 'found+"-"+g1', 'BH-None'),
|
|
('(?i)(bc+d$|ef*g.|h?i(j|k))', 'EFFGZ', SUCCEED, 'found+"-"+g1+"-"+g2', 'EFFGZ-EFFGZ-None'),
|
|
('(?i)(bc+d$|ef*g.|h?i(j|k))', 'IJ', SUCCEED, 'found+"-"+g1+"-"+g2', 'IJ-IJ-J'),
|
|
('(?i)(bc+d$|ef*g.|h?i(j|k))', 'EFFG', FAIL),
|
|
('(?i)(bc+d$|ef*g.|h?i(j|k))', 'BCDD', FAIL),
|
|
('(?i)(bc+d$|ef*g.|h?i(j|k))', 'REFFGZ', SUCCEED, 'found+"-"+g1+"-"+g2', 'EFFGZ-EFFGZ-None'),
|
|
('(?i)((((((((((a))))))))))', 'A', SUCCEED, 'g10', 'A'),
|
|
('(?i)((((((((((a))))))))))\\10', 'AA', SUCCEED, 'found', 'AA'),
|
|
#('(?i)((((((((((a))))))))))\\41', 'AA', FAIL),
|
|
#('(?i)((((((((((a))))))))))\\41', 'A!', SUCCEED, 'found', 'A!'),
|
|
('(?i)(((((((((a)))))))))', 'A', SUCCEED, 'found', 'A'),
|
|
('(?i)(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))', 'A', SUCCEED, 'g1', 'A'),
|
|
('(?i)(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))', 'C', SUCCEED, 'g1', 'C'),
|
|
('(?i)multiple words of text', 'UH-UH', FAIL),
|
|
('(?i)multiple words', 'MULTIPLE WORDS, YEAH', SUCCEED, 'found', 'MULTIPLE WORDS'),
|
|
('(?i)(.*)c(.*)', 'ABCDE', SUCCEED, 'found+"-"+g1+"-"+g2', 'ABCDE-AB-DE'),
|
|
('(?i)\\((.*), (.*)\\)', '(A, B)', SUCCEED, 'g2+"-"+g1', 'B-A'),
|
|
('(?i)[k]', 'AB', FAIL),
|
|
# ('(?i)abcd', 'ABCD', SUCCEED, 'found+"-"+\\found+"-"+\\\\found', 'ABCD-$&-\\ABCD'),
|
|
# ('(?i)a(bc)d', 'ABCD', SUCCEED, 'g1+"-"+\\g1+"-"+\\\\g1', 'BC-$1-\\BC'),
|
|
('(?i)a[-]?c', 'AC', SUCCEED, 'found', 'AC'),
|
|
('(?i)(abc)\\1', 'ABCABC', SUCCEED, 'g1', 'ABC'),
|
|
('(?i)([a-c]*)\\1', 'ABCABC', SUCCEED, 'g1', 'ABC'),
|
|
('a(?!b).', 'abad', SUCCEED, 'found', 'ad'),
|
|
('a(?=d).', 'abad', SUCCEED, 'found', 'ad'),
|
|
('a(?=c|d).', 'abad', SUCCEED, 'found', 'ad'),
|
|
('a(?:b|c|d)(.)', 'ace', SUCCEED, 'g1', 'e'),
|
|
('a(?:b|c|d)*(.)', 'ace', SUCCEED, 'g1', 'e'),
|
|
('a(?:b|c|d)+?(.)', 'ace', SUCCEED, 'g1', 'e'),
|
|
('a(?:b|(c|e){1,2}?|d)+?(.)', 'ace', SUCCEED, 'g1 + g2', 'ce'),
|
|
|
|
# lookbehind: split by : but not if it is escaped by -.
|
|
('(?<!-):(.*?)(?<!-):', 'a:bc-:de:f', SUCCEED, 'g1', 'bc-:de' ),
|
|
# escaping with \ as we know it
|
|
('(?<!\\\\):(.*?)(?<!\\\\):', 'a:bc\\:de:f', SUCCEED, 'g1', 'bc\\:de' ),
|
|
# terminating with ' and escaping with ? as in edifact
|
|
("(?<!\\?)'(.*?)(?<!\\?)'", "a'bc?'de'f", SUCCEED, 'g1', "bc?'de" ),
|
|
|
|
# Comments using the (?#...) syntax
|
|
|
|
('w(?# comment', 'w', SYNTAX_ERROR),
|
|
('w(?# comment 1)xy(?# comment 2)z', 'wxyz', SUCCEED, 'found', 'wxyz'),
|
|
|
|
# Check odd placement of embedded pattern modifiers
|
|
|
|
# not an error under PCRE/PRE:
|
|
('(?i)w', 'W', SUCCEED, 'found', 'W'),
|
|
# ('w(?i)', 'W', SYNTAX_ERROR),
|
|
|
|
# Comments using the x embedded pattern modifier
|
|
|
|
("""(?x)w# comment 1
|
|
x y
|
|
# comment 2
|
|
z""", 'wxyz', SUCCEED, 'found', 'wxyz'),
|
|
|
|
# using the m embedded pattern modifier
|
|
|
|
('^abc', """jkl
|
|
abc
|
|
xyz""", FAIL),
|
|
('(?m)^abc', """jkl
|
|
abc
|
|
xyz""", SUCCEED, 'found', 'abc'),
|
|
|
|
('(?m)abc$', """jkl
|
|
xyzabc
|
|
123""", SUCCEED, 'found', 'abc'),
|
|
|
|
|
|
|
|
# test \w, etc. both inside and outside character classes
|
|
|
|
('\\w+', '--ab_cd0123--', SUCCEED, 'found', 'ab_cd0123'),
|
|
('[\\w]+', '--ab_cd0123--', SUCCEED, 'found', 'ab_cd0123'),
|
|
('\\D+', '1234abc5678', SUCCEED, 'found', 'abc'),
|
|
('[\\D]+', '1234abc5678', SUCCEED, 'found', 'abc'),
|
|
('[\\da-fA-F]+', '123abc', SUCCEED, 'found', '123abc'),
|
|
# not an error under PCRE/PRE:
|
|
# ('[\\d-x]', '-', SYNTAX_ERROR),
|
|
(r'([\s]*)([\S]*)([\s]*)', ' testing!1972', SUCCEED, 'g3+g2+g1', 'testing!1972 '),
|
|
(r'(\s*)(\S*)(\s*)', ' testing!1972', SUCCEED, 'g3+g2+g1', 'testing!1972 '),
|
|
|
|
(r'\xff', '\377', SUCCEED, 'found', chr(255)),
|
|
# new \x semantics
|
|
(r'\x00ff', '\377', FAIL),
|
|
# (r'\x00ff', '\377', SUCCEED, 'found', chr(255)),
|
|
(r'\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', '\t\n\v\r\f\a'),
|
|
('\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', '\t\n\v\r\f\a'),
|
|
(r'\t\n\v\r\f\a', '\t\n\v\r\f\a', SUCCEED, 'found', chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)),
|
|
(r'[\t][\n][\v][\r][\f][\b]', '\t\n\v\r\f\b', SUCCEED, 'found', '\t\n\v\r\f\b'),
|
|
|
|
#
|
|
# post-1.5.2 additions
|
|
|
|
# xmllib problem
|
|
(r'(([a-z]+):)?([a-z]+)$', 'smil', SUCCEED, 'g1+"-"+g2+"-"+g3', 'None-None-smil'),
|
|
# bug 110866: reference to undefined group
|
|
(r'((.)\1+)', '', SYNTAX_ERROR),
|
|
# bug 111869: search (PRE/PCRE fails on this one, SRE doesn't)
|
|
(r'.*d', 'abc\nabd', SUCCEED, 'found', 'abd'),
|
|
# bug 112468: various expected syntax errors
|
|
(r'(', '', SYNTAX_ERROR),
|
|
(r'[\41]', '!', SUCCEED, 'found', '!'),
|
|
# bug 114033: nothing to repeat
|
|
(r'(x?)?', 'x', SUCCEED, 'found', 'x'),
|
|
# bug 115040: rescan if flags are modified inside pattern
|
|
(r'(?x) foo ', 'foo', SUCCEED, 'found', 'foo'),
|
|
# bug 115618: negative lookahead
|
|
(r'(?<!abc)(d.f)', 'abcdefdof', SUCCEED, 'found', 'dof'),
|
|
# bug 116251: character class bug
|
|
(r'[\w-]+', 'laser_beam', SUCCEED, 'found', 'laser_beam'),
|
|
# bug 123769+127259: non-greedy backtracking bug
|
|
(r'.*?\S *:', 'xx:', SUCCEED, 'found', 'xx:'),
|
|
(r'a[ ]*?\ (\d+).*', 'a 10', SUCCEED, 'found', 'a 10'),
|
|
(r'a[ ]*?\ (\d+).*', 'a 10', SUCCEED, 'found', 'a 10'),
|
|
# bug 127259: \Z shouldn't depend on multiline mode
|
|
(r'(?ms).*?x\s*\Z(.*)','xx\nx\n', SUCCEED, 'g1', ''),
|
|
# bug 128899: uppercase literals under the ignorecase flag
|
|
(r'(?i)M+', 'MMM', SUCCEED, 'found', 'MMM'),
|
|
(r'(?i)m+', 'MMM', SUCCEED, 'found', 'MMM'),
|
|
(r'(?i)[M]+', 'MMM', SUCCEED, 'found', 'MMM'),
|
|
(r'(?i)[m]+', 'MMM', SUCCEED, 'found', 'MMM'),
|
|
# bug 130748: ^* should be an error (nothing to repeat)
|
|
(r'^*', '', SYNTAX_ERROR),
|
|
# bug 133283: minimizing repeat problem
|
|
(r'"(?:\\"|[^"])*?"', r'"\""', SUCCEED, 'found', r'"\""'),
|
|
# bug 477728: minimizing repeat problem
|
|
(r'^.*?$', 'one\ntwo\nthree\n', FAIL),
|
|
# bug 483789: minimizing repeat problem
|
|
(r'a[^>]*?b', 'a>b', FAIL),
|
|
# bug 490573: minimizing repeat problem
|
|
(r'^a*?$', 'foo', FAIL),
|
|
# bug 470582: nested groups problem
|
|
(r'^((a)c)?(ab)$', 'ab', SUCCEED, 'g1+"-"+g2+"-"+g3', 'None-None-ab'),
|
|
# another minimizing repeat problem (capturing groups in assertions)
|
|
('^([ab]*?)(?=(b)?)c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
|
|
('^([ab]*?)(?!(b))c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
|
|
('^([ab]*?)(?<!(a))c', 'abc', SUCCEED, 'g1+"-"+g2', 'ab-None'),
|
|
]
|
|
|
|
u = '\N{LATIN CAPITAL LETTER A WITH DIAERESIS}'
|
|
tests.extend([
|
|
# bug 410271: \b broken under locales
|
|
(r'\b.\b', 'a', SUCCEED, 'found', 'a'),
|
|
(r'(?u)\b.\b', u, SUCCEED, 'found', u),
|
|
(r'(?u)\w', u, SUCCEED, 'found', u),
|
|
])
|