# Regex test suite and benchmark suite v1.5a2 # Due to the use of r"aw" strings, this file will # only work with Python 1.5 or higher. # 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 = [ ('Python', 'Python'), # Simple text literal ('.*Python', 'Python'), # Bad text literal ('.*Python.*', 'Python'), # Worse text literal ('.*\\(Python\\)', 'Python'), # Bad text literal with grouping ('(Python\\|Perl\\|Tcl', 'Perl'), # Alternation ('\\(Python\\|Perl\\|Tcl\\)', 'Perl'), # Grouped alternation ('\\(Python\\)\\1', 'PythonPython'), # Backreference # ('\\([0a-z][a-z]*,\\)+', 'a5,b7,c9,'), # Disable the fastmap optimization ('\\([a-z][a-z0-9]*,\\)+', 'a5,b7,c9,') # A few sets ] # 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 "g10" contain the contents of each group, or the # string 'None' if the group wasn't given a value. # 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 = [ ('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+"-"', '-'), ('$', 'abc', SUCCEED, 'found+"-"', '-'), ('a.c', 'abc', SUCCEED, 'found', 'abc'), ('a.c', 'axc', SUCCEED, 'found', 'axc'), ('a.*c', 'axyzc', SUCCEED, 'found', 'axyzc'), ('a.*c', 'axyzd', FAIL), ('a[bc]d', 'abc', FAIL), ('a[bc]d', 'abd', SUCCEED, 'found', 'abd'), ('a[b-d]e', 'abd', FAIL), ('a[b-d]e', 'ace', SUCCEED, 'found', 'ace'), ('a[b-d]', 'aac', SUCCEED, 'found', 'ac'), ('a[-b]', 'a-', SUCCEED, 'found', 'a-'), ('a[b-]', 'a-', SUCCEED, 'found', 'a-'), ('a[]b', '-', SYNTAX_ERROR), ('a[', '-', SYNTAX_ERROR), ('a\\', '-', SYNTAX_ERROR), ('abc\\)', '-', SYNTAX_ERROR), ('\\(abc', '-', SYNTAX_ERROR), ('a]', 'a]', SUCCEED, 'found', 'a]'), ('a[]]b', 'a]b', SUCCEED, 'found', 'a]b'), ('a[^bc]d', 'aed', SUCCEED, 'found', 'aed'), ('a[^bc]d', 'abd', FAIL), ('a[^-b]c', 'adc', SUCCEED, 'found', 'adc'), ('a[^-b]c', 'a-c', FAIL), ('a[^]b]c', 'a]c', FAIL), ('a[^]b]c', 'adc', SUCCEED, 'found', 'adc'), ('\\ba\\b', 'a-', SUCCEED, '"-"', '-'), ('\\ba\\b', '-a', SUCCEED, '"-"', '-'), ('\\ba\\b', '-a-', SUCCEED, '"-"', '-'), ('\\by\\b', 'xy', FAIL), ('\\by\\b', 'yz', FAIL), ('\\by\\b', 'xyz', FAIL), ('ab\\|cd', 'abc', SUCCEED, 'found', 'ab'), ('ab\\|cd', 'abcd', SUCCEED, 'found', 'ab'), ('\\(\\)ef', 'def', SUCCEED, 'found+"-"+g1', 'ef-'), ('$b', 'b', FAIL), ('a(b', 'a(b', SUCCEED, 'found+"-"+g1', 'a(b-None'), ('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'), ('\', 'ab', FAIL), ('a\>', 'a!', SUCCEED, 'found', 'a'), ('a\>', 'a', SUCCEED, 'found', 'a'), ]