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re_tests.py
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#!/usr/bin/env python3 # -*- mode: python -*- # Re test suite and benchmark suite v1.5 # The 3 possible outcomes for each pattern [SUCCEED, FAIL, SYNTAX_ERROR] = range(3) # Benchmark suite (needs expansion) # # The benchmark suite does not test correctness, just speed. The # first element of each tuple is the regex pattern; the second is a # string to match it against. The benchmarking code will embed the # second string inside several sizes of padding, to test how regex # matching performs on large strings. benchmarks = [ # test common prefix ('Python|Perl', 'Perl'), # Alternation ('(Python|Perl)', 'Perl'), # Grouped alternation ('Python|Perl|Tcl', 'Perl'), # Alternation ('(Python|Perl|Tcl)', 'Perl'), # Grouped alternation ('(Python)\\1', 'PythonPython'), # Backreference ('([0a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # Disable the fastmap optimization ('([a-z][a-z0-9]*,)+', 'a5,b7,c9,'), # A few sets ('Python', 'Python'), # Simple text literal ('.*Python', 'Python'), # Bad text literal ('.*Python.*', 'Python'), # Worse text literal ('.*(Python)', 'Python'), # Bad text literal with grouping ] # Test suite (for verifying correctness) # # The test suite is a list of 5- or 3-tuples. The 5 parts of a # complete tuple are: # element 0: a string containing the pattern # 1: the string to match against the pattern # 2: the expected result (SUCCEED, FAIL, SYNTAX_ERROR) # 3: a string that will be eval()'ed to produce a test string. # This is an arbitrary Python expression; the available # variables are "found" (the whole match), and "g1", "g2", ... # up to "g99" contain the contents of each group, or the # string 'None' if the group wasn't given a value, or the # string 'Error' if the group index was out of range; # also "groups", the return value of m.group() (a tuple). # 4: The expected result of evaluating the expression. # If the two don't match, an error is reported. # # If the regex isn't expected to work, the latter two elements can be omitted. tests = [ # Test ?P< and ?P= extensions ('(?P<foo_123', '', SYNTAX_ERROR), # Unterminated group identifier ('(?P<1>a)', '', SYNTAX_ERROR), # Begins with a digit ('(?P<!>a)', '', SYNTAX_ERROR), # Begins with an illegal char ('(?P<foo!>a)', '', SYNTAX_ERROR), # Begins with an illegal char # Same tests, for the ?P= form ('(?P<foo_123>a)(?P=foo_123', 'aa', SYNTAX_ERROR), ('(?P<foo_123>a)(?P=1)', 'aa', SYNTAX_ERROR), ('(?P<foo_123>a)(?P=!)', 'aa', SYNTAX_ERROR), ('(?P<foo_123>a)(?P=foo_124', 'aa', SYNTAX_ERROR), # Backref to undefined group ('(?P<foo_123>a)', 'a', SUCCEED, 'g1', 'a'), ('(?P<foo_123>a)(?P=foo_123)', 'aa', SUCCEED, 'g1', 'a'), # Test octal escapes ('\\1', 'a', SYNTAX_ERROR), # Backreference ('[\\1]', '\1', SUCCEED, 'found', '\1'), # Character ('\\09', chr(0) + '9', SUCCEED, 'found', chr(0) + '9'), ('\\141', 'a', SUCCEED, 'found', 'a'), ('(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\\119', 'abcdefghijklk9', SUCCEED, 'found+"-"+g11', 'abcdefghijklk9-k'), # Test \0 is handled everywhere (r'\0', '\0', SUCCEED, 'found', '\0'), (r'[\0a]', '\0', SUCCEED, 'found', '\0'), (r'[a\0]', '\0', SUCCEED, 'found', '\0'), (r'[^a\0]', '\0', FAIL), # Test various letter escapes (r'\a[\b]\f\n\r\t\v', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'), (r'[\a][\b][\f][\n][\r][\t][\v]', '\a\b\f\n\r\t\v', SUCCEED, 'found', '\a\b\f\n\r\t\v'), # NOTE: not an error under PCRE/PRE: (r'\u', '', SYNTAX_ERROR), # A Perl escape # (r'\c\e\g\h\i\j\k\m\o\p\q\y\z', 'ceghijkmopqyz', SUCCEED, 'found', 'ceghijkmopqyz'), # new \x semantics (r'\x00ffffffffffffff', '\377', FAIL, 'found', chr(255)), (r'\x00f', '\017', FAIL, 'found', chr(15)), (r'\x00fe', '\376', FAIL, 'found', chr(254)), # (r'\x00ffffffffffffff', '\377', SUCCEED, 'found', chr(255)), # (r'\x00f', '\017', SUCCEED, 'found', chr(15)), # (r'\x00fe', '\376', SUCCEED, 'found', chr(254)), (r"^\w+=(\\[\000-\277]|[^\n\\])*", "SRC=eval.c g.c blah blah blah \\\\\n\tapes.c", SUCCEED, 'found', "SRC=eval.c g.c blah blah blah \\\\"), # Test that . only matches \n in DOTALL mode ('a.b', 'acb', SUCCEED, 'found', 'acb'), ('a.b', 'a\nb', FAIL), ('a.*b', 'acc\nccb', FAIL), ('a.{4,5}b', 'acc\nccb', FAIL), ('a.b', 'a\rb', SUCCEED, 'found', 'a\rb'), ('(?s)a.b', 'a\nb', SUCCEED, 'found', 'a\nb'), ('(?s)a.*b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'), ('(?s)a.{4,5}b', 'acc\nccb', SUCCEED, 'found', 'acc\nccb'), ('(?s)a.b', 'a\rb', SUCCEED, 'found', 'a\rb'), (')', '', SYNTAX_ERROR), # Unmatched right bracket ('', '', SUCCEED, 'found', ''), # Empty pattern ('abc', 'abc', SUCCEED, 'found', 'abc'), ('abc', 'xbc', FAIL), ('abc', 'axc', FAIL), ('abc', 'abx', FAIL), ('abc', 'xabcy', SUCCEED, 'found', 'abc'), ('abc', 'ababc', SUCCEED, 'found', 'abc'), ('ab*c', 'abc', SUCCEED, 'found', 'abc'), ('ab*bc', 'abc', SUCCEED, 'found', 'abc'), ('ab*bc', 'abbc', SUCCEED, 'found', 'abbc'), ('ab*bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'), ('ab+bc', 'abbc', SUCCEED, 'found', 'abbc'), ('ab+bc', 'abc', FAIL), ('ab+bc', 'abq', FAIL), ('ab+bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'), ('ab?bc', 'abbc', SUCCEED, 'found', 'abbc'), ('ab?bc', 'abc', SUCCEED, 'found', 'abc'), ('ab?bc', 'abbbbc', FAIL), ('ab?c', 'abc', SUCCEED, 'found', 'abc'), ('^abc$', 'abc', SUCCEED, 'found', 'abc'), ('^abc$', 'abcc', FAIL), ('^abc', 'abcc', SUCCEED, 'found', 'abc'), ('^abc$', 'aabc', FAIL), ('abc$', 'aabc', SUCCEED, 'found', 'abc'), ('^', 'abc', SUCCEED, 'found+"-"', '-'), ('$', 'abc', SUCCEED, 'found+"-"', '-'), ('a.c', 'abc', SUCCEED, 'found', 'abc'), ('a.c', 'axc', SUCCEED, 'found', 'axc'), ('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'), ('a.*c', 'axyzd', FAIL), ('a[bc]d', 'abc', FAIL), ('a[bc]d', 'abd', SUCCEED, 'found', 'abd'), ('a[b-d]e', 'abd', FAIL), ('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'), ('a[b-d]', 'aac', SUCCEED, 'found', 'ac'), ('a[-b]', 'a-', SUCCEED, 'found', 'a-'), ('a[\\-b]', 'a-', SUCCEED, 'found', 'a-'), # NOTE: not an error under PCRE/PRE: # ('a[b-]', 'a-', SYNTAX_ERROR), ('a[]b', '-', SYNTAX_ERROR), ('a[', '-', SYNTAX_ERROR), ('a\\', '-', SYNTAX_ERROR), ('abc)', '-', SYNTAX_ERROR), ('(abc', '-', SYNTAX_ERROR), ('a]', 'a]', SUCCEED, 'found', 'a]'), ('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'), ('a[\\]]b', 'a]b', SUCCEED, 'found', 'a]b'), ('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'), ('a[^bc]d', 'abd', FAIL), ('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'), ('a[^-b]c', 'a-c', FAIL), ('a[^]b]c', 'a]c', FAIL), ('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'), ('\\ba\\b', 'a-', SUCCEED, '"-"', '-'), ('\\ba\\b', '-a', SUCCEED, '"-"', '-'), ('\\ba\\b', '-a-', SUCCEED, '"-"', '-'), ('\\by\\b', 'xy', FAIL), ('\\by\\b', 'yz', FAIL), ('\\by\\b', 'xyz', FAIL), ('x\\b', 'xyz', FAIL), ('x\\B', 'xyz', SUCCEED, '"-"', '-'), ('\\Bz', 'xyz', SUCCEED, '"-"', '-'), ('z\\B', 'xyz', FAIL), ('\\Bx', 'xyz', FAIL), ('\\Ba\\B', 'a-', FAIL, '"-"', '-'), ('\\Ba\\B', '-a', FAIL, '"-"', '-'), ('\\Ba\\B', '-a-', FAIL, '"-"', '-'), ('\\By\\B', 'xy', FAIL), ('\\By\\B', 'yz', FAIL), ('\\By\\b', 'xy', SUCCEED, '"-"', '-'), ('\\by\\B', 'yz', SUCCEED, '"-"', '-'), ('\\By\\B', 'xyz', SUCCEED, '"-"', '-'), ('ab|cd', 'abc', SUCCEED, 'found', 'ab'), ('ab|cd', 'abcd', SUCCEED, 'found', 'ab'), ('()ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'), ('$b', 'b', FAIL), ('a\\(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-Error'), ('a\\(*b', 'ab', SUCCEED, 'found', 'ab'), ('a\\(*b', 'a((b', SUCCEED, 'found', 'a((b'), ('a\\\\b', 'a\\b', SUCCEED, 'found', 'a\\b'), ('((a))', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'a-a-a'), ('(a)b(c)', 'abc', SUCCEED, 'found+"-"+g1+"-"+g2', 'abc-a-c'), ('a+b+c', 'aabbabc', SUCCEED, 'found', 'abc'), ('(a+|b)*', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'), ('(a+|b)+', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'), ('(a+|b)?', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'), (')(', '-', SYNTAX_ERROR), ('[^ab]*', 'cde', SUCCEED, 'found', 'cde'), ('abc', '', FAIL), ('a*', '', SUCCEED, 'found', ''), ('a|b|c|d|e', 'e', SUCCEED, 'found', 'e'), ('(a|b|c|d|e)f', 'ef', SUCCEED, 'found+"-"+g1', 'ef-e'), ('abcd*efg', 'abcdefg', SUCCEED, 'found', 'abcdefg'), ('ab*', 'xabyabbbz', SUCCEED, 'found', 'ab'), ('ab*', 'xayabbbz', SUCCEED, 'found', 'a'), ('(ab|cd)e', 'abcde', SUCCEED, 'found+"-"+g1', 'cde-cd'), ('[abhgefdc]ij', 'hij', SUCCEED, 'found', 'hij'), ('^(ab|cd)e', 'abcde', FAIL, 'xg1y', 'xy'), ('(abc|)ef', 'abcdef', SUCCEED, 'found+"-"+g1', 'ef-'), ('(a|b)c*d', 'abcd', SUCCEED, 'found+"-"+g1', 'bcd-b'), ('(ab|ab*)bc', 'abc', SUCCEED, 'found+"-"+g1', 'abc-a'), ('a([bc]*)c*', 'abc', SUCCEED, 'found+"-"+g1', 'abc-bc'), ('a([bc]*)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'), ('a([bc]+)(c*d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-bc-d'), ('a([bc]*)(c+d)', 'abcd', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcd-b-cd'), ('a[bcd]*dcdcde', 'adcdcde', SUCCEED, 'found', 'adcdcde'), ('a[bcd]+dcdcde', 'adcdcde', FAIL), ('(ab|a)b*c', 'abc', SUCCEED, 'found+"-"+g1', 'abc-ab'), ('((a)(b)c)(d)', 'abcd', SUCCEED, 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'), ('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED, 'found', 'alpha'), ('^a(bc+|b[eh])g|.h$', 'abh', SUCCEED, 'found+"-"+g1', 'bh-None'), ('(bc+d$|ef*g.|h?i(j|k))', 'effgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'), ('(bc+d$|ef*g.|h?i(j|k))', 'ij', SUCCEED, 'found+"-"+g1+"-"+g2', 'ij-ij-j'), ('(bc+d$|ef*g.|h?i(j|k))', 'effg', FAIL), ('(bc+d$|ef*g.|h?i(j|k))', 'bcdd', FAIL), ('(bc+d$|ef*g.|h?i(j|k))', 'reffgz', SUCCEED, 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'), ('(((((((((a)))))))))', 'a', SUCCEED, 'found', 'a'), ('multiple words of text', 'uh-uh', FAIL), ('multiple words', 'multiple words, yeah', SUCCEED, 'found', 'multiple words'), ('(.*)c(.*)', 'abcde', SUCCEED, 'found+"-"+g1+"-"+g2', 'abcde-ab-de'), ('\\((.*), (.*)\\)', '(a, b)', SUCCEED, 'g2+"-"+g1', 'b-a'), ('[k]', 'ab', FAIL), ('a[-]?c', 'ac', SUCCEED, 'found', 'ac'), ('(abc)\\1', 'abcabc', SUCCEED, 'g1', 'abc'), ('([a-c]*)\\1', 'abcabc', SUCCEED, 'g1', 'abc'), ('^(.+)?B', 'AB', SUCCEED, 'g1', 'A'), ('(a+).\\1$', 'aaaaa', SUCCEED, 'found+"-"+g1', 'aaaaa-aa'), ('^(a+).\\1$', 'aaaa', FAIL), ('(abc)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'), ('([a-c]+)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'), ('(a)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'), ('(a+)\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'), ('(a+)+\\1', 'aa', SUCCEED, 'found+"-"+g1', 'aa-a'), ('(a).+\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'), ('(a)ba*\\1', 'aba', SUCCEED, 'found+"-"+g1', 'aba-a'), ('(aa|a)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'), ('(a|aa)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'), ('(a+)a\\1$', 'aaa', SUCCEED, 'found+"-"+g1', 'aaa-a'), ('([abc]*)\\1', 'abcabc', SUCCEED, 'found+"-"+g1', 'abcabc-abc'), ('(a)(b)c|ab', 'ab', SUCCEED, 'found+"-"+g1+"-"+g2', 'ab-None-None'), ('(a)+x', 'aaax', SUCCEED, 'found+"-"+g1', 'aaax-a'), ('([ac])+x', 'aacx', SUCCEED, 'found+"-"+g1', 'aacx-c'), ('([^/]*/)*sub1/', 'd:msgs/tdir/sub1/trial/away.cpp', SUCCEED, 'found+"-"+g1', 'd:msgs/tdir/sub1/-tdir/'), ('([^.]*)\\.([^:]*):[T ]+(.*)', 'track1.title:TBlah blah blah', SUCCEED, 'found+"-"+g1+"-"+g2+"-"+g3', 'track1.title:TBlah blah blah-track1-title-Blah blah blah'), ('([^N]*N)+', 'abNNxyzN', SUCCEED, 'found+"-"+g1', 'abNNxyzN-xyzN'), ('([^N]*N)+', 'abNNxyz', SUCCEED, 'found+"-"+g1', 'abNN-N'), ('([abc]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'abcx-abc'), ('([abc]*)x', 'abc', FAIL), ('([xyz]*)x', 'abcx', SUCCEED, 'found+"-"+g1', 'x-'), ('(a)+b|aac', 'aac', SUCCEED, 'found+"-"+g1', 'aac-None'), # Test symbolic groups ('(?P<i d>aaa)a', 'aaaa', SYNTAX_ERROR), ('(?P<id>aaa)a', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aaa'), ('(?P<id>aa)(?P=id)', 'aaaa', SUCCEED, 'found+"-"+id', 'aaaa-aa'), ('(?P<id>aa)(?P=xd)', 'aaaa', SYNTAX_ERROR), # Test octal escapes/memory references ('\\1', 'a', SYNTAX_ERROR), # All tests from Perl ('ab{0,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'), ('ab{1,}bc', 'abq', FAIL), ('ab{1,}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'), ('ab{1,3}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'), ('ab{3,4}bc', 'abbbbc', SUCCEED, 'found', 'abbbbc'), ('ab{4,5}bc', 'abbbbc', FAIL), ('ab{0,1}bc', 'abc', SUCCEED, 'found', 'abc'), ('ab{0,1}c', 'abc', SUCCEED, 'found', 'abc'), ('^', 'abc', SUCCEED, 'found', ''), ('$', 'abc', SUCCEED, 'found', ''), ('a[b-]', 'a-', SUCCEED, 'found', 'a-'), ('a[b-a]', '-', SYNTAX_ERROR), ('*a', '-', SYNTAX_ERROR), ('(*)b', '-', SYNTAX_ERROR), ('a{1,}b{1,}c', 'aabbabc', SUCCEED, 'found', 'abc'), ('a**', '-', SYNTAX_ERROR), ('a.+?c', 'abcabc', SUCCEED, 'found', 'abc'), ('(a+|b){0,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'), ('(a+|b){1,}', 'ab', SUCCEED, 'found+"-"+g1', 'ab-b'), ('(a+|b){0,1}', 'ab', SUCCEED, 'found+"-"+g1', 'a-a'), ('([abc])*d', 'abbbcd', SUCCEED, 'found+"-"+g1', 'abbbcd-c'), ('([abc])*bcd', 'abcd', SUCCEED, 'found+"-"+g1', 'abcd-a'), ('^(ab|cd)e', 'abcde', FAIL), ('((((((((((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), ])