1 # Regex test suite and benchmark suite v1.5a2
3 # The 3 possible outcomes for each pattern
4 [SUCCEED
, FAIL
, SYNTAX_ERROR
] = range(3)
6 # Benchmark suite (needs expansion)
8 # The benchmark suite does not test correctness, just speed. The
9 # first element of each tuple is the regex pattern; the second is a
10 # string to match it against. The benchmarking code will embed the
11 # second string inside several sizes of padding, to test how regex
12 # matching performs on large strings.
15 ('Python', 'Python'), # Simple text literal
16 ('.*Python', 'Python'), # Bad text literal
17 ('.*Python.*', 'Python'), # Worse text literal
18 ('.*\\(Python\\)', 'Python'), # Bad text literal with grouping
20 ('(Python\\|Perl\\|Tcl', 'Perl'), # Alternation
21 ('\\(Python\\|Perl\\|Tcl\\)', 'Perl'), # Grouped alternation
22 ('\\(Python\\)\\1', 'PythonPython'), # Backreference
23 # ('\\([0a-z][a-z]*,\\)+', 'a5,b7,c9,'), # Disable the fastmap optimization
24 ('\\([a-z][a-z0-9]*,\\)+', 'a5,b7,c9,') # A few sets
27 # Test suite (for verifying correctness)
29 # The test suite is a list of 5- or 3-tuples. The 5 parts of a
31 # element 0: a string containing the pattern
32 # 1: the string to match against the pattern
33 # 2: the expected result (SUCCEED, FAIL, SYNTAX_ERROR)
34 # 3: a string that will be eval()'ed to produce a test string.
35 # This is an arbitrary Python expression; the available
36 # variables are "found" (the whole match), and "g1", "g2", ...
37 # up to "g10" contain the contents of each group, or the
38 # string 'None' if the group wasn't given a value.
39 # 4: The expected result of evaluating the expression.
40 # If the two don't match, an error is reported.
42 # If the regex isn't expected to work, the latter two elements can be omitted.
45 ('abc', 'abc', SUCCEED
,
50 ('abc', 'xabcy', SUCCEED
,
52 ('abc', 'ababc', SUCCEED
,
54 ('ab*c', 'abc', SUCCEED
,
56 ('ab*bc', 'abc', SUCCEED
,
58 ('ab*bc', 'abbc', SUCCEED
,
60 ('ab*bc', 'abbbbc', SUCCEED
,
62 ('ab+bc', 'abbc', SUCCEED
,
64 ('ab+bc', 'abc', FAIL
),
65 ('ab+bc', 'abq', FAIL
),
66 ('ab+bc', 'abbbbc', SUCCEED
,
68 ('ab?bc', 'abbc', SUCCEED
,
70 ('ab?bc', 'abc', SUCCEED
,
72 ('ab?bc', 'abbbbc', FAIL
),
73 ('ab?c', 'abc', SUCCEED
,
75 ('^abc$', 'abc', SUCCEED
,
77 ('^abc$', 'abcc', FAIL
),
78 ('^abc', 'abcc', SUCCEED
,
80 ('^abc$', 'aabc', FAIL
),
81 ('abc$', 'aabc', SUCCEED
,
87 ('a.c', 'abc', SUCCEED
,
89 ('a.c', 'axc', SUCCEED
,
91 ('a.*c', 'axyzc', SUCCEED
,
93 ('a.*c', 'axyzd', FAIL
),
94 ('a[bc]d', 'abc', FAIL
),
95 ('a[bc]d', 'abd', SUCCEED
,
97 ('a[b-d]e', 'abd', FAIL
),
98 ('a[b-d]e', 'ace', SUCCEED
,
100 ('a[b-d]', 'aac', SUCCEED
,
102 ('a[-b]', 'a-', SUCCEED
,
104 ('a[b-]', 'a-', SUCCEED
,
106 ('a[]b', '-', SYNTAX_ERROR
),
107 ('a[', '-', SYNTAX_ERROR
),
108 ('a\\', '-', SYNTAX_ERROR
),
109 ('abc\\)', '-', SYNTAX_ERROR
),
110 ('\\(abc', '-', SYNTAX_ERROR
),
111 ('a]', 'a]', SUCCEED
,
113 ('a[]]b', 'a]b', SUCCEED
,
115 ('a[^bc]d', 'aed', SUCCEED
,
117 ('a[^bc]d', 'abd', FAIL
),
118 ('a[^-b]c', 'adc', SUCCEED
,
120 ('a[^-b]c', 'a-c', FAIL
),
121 ('a[^]b]c', 'a]c', FAIL
),
122 ('a[^]b]c', 'adc', SUCCEED
,
124 ('\\ba\\b', 'a-', SUCCEED
,
126 ('\\ba\\b', '-a', SUCCEED
,
128 ('\\ba\\b', '-a-', SUCCEED
,
130 ('\\by\\b', 'xy', FAIL
),
131 ('\\by\\b', 'yz', FAIL
),
132 ('\\by\\b', 'xyz', FAIL
),
133 ('ab\\|cd', 'abc', SUCCEED
,
135 ('ab\\|cd', 'abcd', SUCCEED
,
137 ('\\(\\)ef', 'def', SUCCEED
,
138 'found+"-"+g1', 'ef-'),
140 ('a(b', 'a(b', SUCCEED
,
141 'found+"-"+g1', 'a(b-None'),
142 ('a(*b', 'ab', SUCCEED
,
144 ('a(*b', 'a((b', SUCCEED
,
146 ('a\\\\b', 'a\\b', SUCCEED
,
148 ('\\(\\(a\\)\\)', 'abc', SUCCEED
,
149 'found+"-"+g1+"-"+g2', 'a-a-a'),
150 ('\\(a\\)b\\(c\\)', 'abc', SUCCEED
,
151 'found+"-"+g1+"-"+g2', 'abc-a-c'),
152 ('a+b+c', 'aabbabc', SUCCEED
,
154 ('\\(a+\\|b\\)*', 'ab', SUCCEED
,
155 'found+"-"+g1', 'ab-b'),
156 ('\\(a+\\|b\\)+', 'ab', SUCCEED
,
157 'found+"-"+g1', 'ab-b'),
158 ('\\(a+\\|b\\)?', 'ab', SUCCEED
,
159 'found+"-"+g1', 'a-a'),
160 ('\\)\\(', '-', SYNTAX_ERROR
),
161 ('[^ab]*', 'cde', SUCCEED
,
166 ('a\\|b\\|c\\|d\\|e', 'e', SUCCEED
,
168 ('\\(a\\|b\\|c\\|d\\|e\\)f', 'ef', SUCCEED
,
169 'found+"-"+g1', 'ef-e'),
170 ('abcd*efg', 'abcdefg', SUCCEED
,
172 ('ab*', 'xabyabbbz', SUCCEED
,
174 ('ab*', 'xayabbbz', SUCCEED
,
176 ('\\(ab\\|cd\\)e', 'abcde', SUCCEED
,
177 'found+"-"+g1', 'cde-cd'),
178 ('[abhgefdc]ij', 'hij', SUCCEED
,
180 ('^\\(ab\\|cd\\)e', 'abcde', FAIL
,
182 ('\\(abc\\|\\)ef', 'abcdef', SUCCEED
,
183 'found+"-"+g1', 'ef-'),
184 ('\\(a\\|b\\)c*d', 'abcd', SUCCEED
,
185 'found+"-"+g1', 'bcd-b'),
186 ('\\(ab\\|ab*\\)bc', 'abc', SUCCEED
,
187 'found+"-"+g1', 'abc-a'),
188 ('a\\([bc]*\\)c*', 'abc', SUCCEED
,
189 'found+"-"+g1', 'abc-bc'),
190 ('a\\([bc]*\\)\\(c*d\\)', 'abcd', SUCCEED
,
191 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
192 ('a\\([bc]+\\)\\(c*d\\)', 'abcd', SUCCEED
,
193 'found+"-"+g1+"-"+g2', 'abcd-bc-d'),
194 ('a\\([bc]*\\)\\(c+d\\)', 'abcd', SUCCEED
,
195 'found+"-"+g1+"-"+g2', 'abcd-b-cd'),
196 ('a[bcd]*dcdcde', 'adcdcde', SUCCEED
,
198 ('a[bcd]+dcdcde', 'adcdcde', FAIL
),
199 ('\\(ab\\|a\\)b*c', 'abc', SUCCEED
,
200 'found+"-"+g1', 'abc-ab'),
201 ('\\(\\(a\\)\\(b\\)c\\)\\(d\\)', 'abcd', SUCCEED
,
202 'g1+"-"+g2+"-"+g3+"-"+g4', 'abc-a-b-d'),
203 ('[a-zA-Z_][a-zA-Z0-9_]*', 'alpha', SUCCEED
,
205 ('^a\\(bc+\\|b[eh]\\)g\\|.h$', 'abh', SUCCEED
,
206 'found+"-"+g1', 'bh-None'),
207 ('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'effgz', SUCCEED
,
208 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
209 ('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'ij', SUCCEED
,
210 'found+"-"+g1+"-"+g2', 'ij-ij-j'),
211 ('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'effg', FAIL
),
212 ('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'bcdd', FAIL
),
213 ('\\(bc+d$\\|ef*g.\\|h?i\\(j\\|k\\)\\)', 'reffgz', SUCCEED
,
214 'found+"-"+g1+"-"+g2', 'effgz-effgz-None'),
215 ('\\(\\(\\(\\(\\(\\(\\(\\(\\(a\\)\\)\\)\\)\\)\\)\\)\\)\\)', 'a', SUCCEED
,
217 ('multiple words of text', 'uh-uh', FAIL
),
218 ('multiple words', 'multiple words, yeah', SUCCEED
,
219 'found', 'multiple words'),
220 ('\\(.*\\)c\\(.*\\)', 'abcde', SUCCEED
,
221 'found+"-"+g1+"-"+g2', 'abcde-ab-de'),
222 ('(\\(.*\\), \\(.*\\))', '(a, b)', SUCCEED
,
225 ('a[-]?c', 'ac', SUCCEED
,
227 ('\\(abc\\)\\1', 'abcabc', SUCCEED
,
229 ('\\([a-c]*\\)\\1', 'abcabc', SUCCEED
,
231 ('^\\(.+\\)?B', 'AB', SUCCEED
,
233 ('\\(a+\\).\\1$', 'aaaaa', SUCCEED
,
234 'found+"-"+g1', 'aaaaa-aa'),
235 ('^\\(a+\\).\\1$', 'aaaa', FAIL
),
236 ('\\(abc\\)\\1', 'abcabc', SUCCEED
,
237 'found+"-"+g1', 'abcabc-abc'),
238 ('\\([a-c]+\\)\\1', 'abcabc', SUCCEED
,
239 'found+"-"+g1', 'abcabc-abc'),
240 ('\\(a\\)\\1', 'aa', SUCCEED
,
241 'found+"-"+g1', 'aa-a'),
242 ('\\(a+\\)\\1', 'aa', SUCCEED
,
243 'found+"-"+g1', 'aa-a'),
244 ('\\(a+\\)+\\1', 'aa', SUCCEED
,
245 'found+"-"+g1', 'aa-a'),
246 ('\\(a\\).+\\1', 'aba', SUCCEED
,
247 'found+"-"+g1', 'aba-a'),
248 ('\\(a\\)ba*\\1', 'aba', SUCCEED
,
249 'found+"-"+g1', 'aba-a'),
250 ('\\(aa\\|a\\)a\\1$', 'aaa', SUCCEED
,
251 'found+"-"+g1', 'aaa-a'),
252 ('\\(a\\|aa\\)a\\1$', 'aaa', SUCCEED
,
253 'found+"-"+g1', 'aaa-a'),
254 ('\\(a+\\)a\\1$', 'aaa', SUCCEED
,
255 'found+"-"+g1', 'aaa-a'),
256 ('\\([abc]*\\)\\1', 'abcabc', SUCCEED
,
257 'found+"-"+g1', 'abcabc-abc'),
258 ('\\(a\\)\\(b\\)c\\|ab', 'ab', SUCCEED
,
259 'found+"-"+g1+"-"+g2', 'ab-None-None'),
260 ('\\(a\\)+x', 'aaax', SUCCEED
,
261 'found+"-"+g1', 'aaax-a'),
262 ('\\([ac]\\)+x', 'aacx', SUCCEED
,
263 'found+"-"+g1', 'aacx-c'),
264 ('\\([^/]*/\\)*sub1/', 'd:msgs/tdir/sub1/trial/away.cpp', SUCCEED
,
265 'found+"-"+g1', 'd:msgs/tdir/sub1/-tdir/'),
266 ('\\([^.]*\\)\\.\\([^:]*\\):[T ]+\\(.*\\)', 'track1.title:TBlah blah blah', SUCCEED
,
267 'found+"-"+g1+"-"+g2+"-"+g3', 'track1.title:TBlah blah blah-track1-title-Blah blah blah'),
268 ('\\([^N]*N\\)+', 'abNNxyzN', SUCCEED
,
269 'found+"-"+g1', 'abNNxyzN-xyzN'),
270 ('\\([^N]*N\\)+', 'abNNxyz', SUCCEED
,
271 'found+"-"+g1', 'abNN-N'),
272 ('\\([abc]*\\)x', 'abcx', SUCCEED
,
273 'found+"-"+g1', 'abcx-abc'),
274 ('\\([abc]*\\)x', 'abc', FAIL
),
275 ('\\([xyz]*\\)x', 'abcx', SUCCEED
,
276 'found+"-"+g1', 'x-'),
277 ('\\(a\\)+b\\|aac', 'aac', SUCCEED
,
278 'found+"-"+g1', 'aac-None'),
279 ('\<a', 'a', SUCCEED
, 'found', 'a'),
281 ('a\<b', 'ab', FAIL
),
283 ('a\>', 'a!', SUCCEED
, 'found', 'a'),
284 ('a\>', 'a', SUCCEED
, 'found', 'a'),