1 /*
2 *
3 * Copyright (c) 2004
4 * John Maddock
5 *
6 * Use, modification and distribution are subject to the
7 * Boost Software License, Version 1.0. (See accompanying file
8 * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9 *
10 */
11
12 /*
13 * LOCATION: see http://www.boost.org for most recent version.
14 * FILE basic_tests.cpp
15 * VERSION see <boost/version.hpp>
16 * DESCRIPTION: main regex test declarations.
17 */
18
19 #include <boost/detail/workaround.hpp>
20
21 #if BOOST_WORKAROUND(__BORLANDC__, < 0x560)
22 // we get unresolved externals from basic_string
23 // unless we do this, a well known Borland bug:
24 #define _RWSTD_COMPILE_INSTANTIATE
25 #endif
26
27 #include "test.hpp"
28
29 #ifdef BOOST_MSVC
30 #pragma warning(disable:4127)
31 #endif
32
basic_tests()33 void basic_tests()
34 {
35 using namespace boost::regex_constants;
36 TEST_REGEX_SEARCH("a", basic, "a", match_default, make_array(0, 1, -2, -2));
37 TEST_REGEX_SEARCH("a", basic, "bba", match_default, make_array(2, 3, -2, -2));
38 TEST_REGEX_SEARCH("Z", perl, "aaa", match_default, make_array(-2, -2));
39 TEST_REGEX_SEARCH("Z", perl, "xxxxZZxxx", match_default, make_array(4, 5, -2, 5, 6, -2, -2));
40 // and some simple brackets:
41 TEST_REGEX_SEARCH("(a)", perl, "zzzaazz", match_default, make_array(3, 4, 3, 4, -2, 4, 5, 4, 5, -2, -2));
42 TEST_REGEX_SEARCH("()", perl, "zzz", match_default, make_array(0, 0, 0, 0, -2, 1, 1, 1, 1, -2, 2, 2, 2, 2, -2, 3, 3, 3, 3, -2, -2));
43 TEST_REGEX_SEARCH("()", perl, "", match_default, make_array(0, 0, 0, 0, -2, -2));
44 TEST_INVALID_REGEX("(", perl);
45 TEST_INVALID_REGEX("", perl|no_empty_expressions);
46 TEST_REGEX_SEARCH("", perl, "abc", match_default, make_array(0, 0, -2, 1, 1, -2, 2, 2, -2, 3, 3, -2, -2));
47 TEST_INVALID_REGEX(")", perl);
48 TEST_INVALID_REGEX("(aa", perl);
49 TEST_INVALID_REGEX("aa)", perl);
50 TEST_REGEX_SEARCH("a", perl, "b", match_default, make_array(-2, -2));
51 TEST_REGEX_SEARCH("\\(\\)", perl, "()", match_default, make_array(0, 2, -2, -2));
52 TEST_REGEX_SEARCH("\\(a\\)", perl, "(a)", match_default, make_array(0, 3, -2, -2));
53 TEST_INVALID_REGEX("\\()", perl);
54 TEST_INVALID_REGEX("(\\)", perl);
55 TEST_REGEX_SEARCH("p(a)rameter", perl, "ABCparameterXYZ", match_default, make_array(3, 12, 4, 5, -2, -2));
56 TEST_REGEX_SEARCH("[pq](a)rameter", perl, "ABCparameterXYZ", match_default, make_array(3, 12, 4, 5, -2, -2));
57
58 // now try escaped brackets:
59 TEST_REGEX_SEARCH("\\(a\\)", basic, "zzzaazz", match_default, make_array(3, 4, 3, 4, -2, 4, 5, 4, 5, -2, -2));
60 TEST_REGEX_SEARCH("\\(\\)", basic, "zzz", match_default, make_array(0, 0, 0, 0, -2, 1, 1, 1, 1, -2, 2, 2, 2, 2, -2, 3, 3, 3, 3, -2, -2));
61 TEST_REGEX_SEARCH("\\(\\)", basic, "", match_default, make_array(0, 0, 0, 0, -2, -2));
62 TEST_INVALID_REGEX("\\(", basic);
63 TEST_INVALID_REGEX("\\)", basic);
64 TEST_INVALID_REGEX("\\(aa", basic);
65 TEST_INVALID_REGEX("aa\\)", basic);
66 TEST_REGEX_SEARCH("()", basic, "()", match_default, make_array(0, 2, -2, -2));
67 TEST_REGEX_SEARCH("(a)", basic, "(a)", match_default, make_array(0, 3, -2, -2));
68 TEST_INVALID_REGEX("\\()", basic);
69 TEST_INVALID_REGEX("(\\)", basic);
70 TEST_REGEX_SEARCH("p\\(a\\)rameter", basic, "ABCparameterXYZ", match_default, make_array(3, 12, 4, 5, -2, -2));
71 TEST_REGEX_SEARCH("[pq]\\(a\\)rameter", basic, "ABCparameterXYZ", match_default, make_array(3, 12, 4, 5, -2, -2));
72
73 // now move on to "." wildcards
74 TEST_REGEX_SEARCH(".", perl, "a", match_default, make_array(0, 1, -2, -2));
75 TEST_REGEX_SEARCH(".", perl, "\n", match_default, make_array(0, 1, -2, -2));
76 TEST_REGEX_SEARCH(".", perl, "\r", match_default, make_array(0, 1, -2, -2));
77 TEST_REGEX_SEARCH(".", perl, "\0", match_default, make_array(0, 1, -2, -2));
78 TEST_REGEX_SEARCH(".", perl, "a", match_not_dot_newline, make_array(0, 1, -2, -2));
79 TEST_REGEX_SEARCH(".", perl, "\n", match_not_dot_newline, make_array(-2, -2));
80 TEST_REGEX_SEARCH(".", perl, "\r", match_not_dot_newline, make_array(-2, -2));
81 TEST_REGEX_SEARCH(".", perl, "\0", match_not_dot_newline, make_array(0, 1, -2, -2));
82 TEST_REGEX_SEARCH(".", perl, "\n", match_not_dot_null | match_not_dot_newline, make_array(-2, -2));
83 TEST_REGEX_SEARCH(".", perl, "\r", match_not_dot_null | match_not_dot_newline, make_array(-2, -2));
84 TEST_REGEX_SEARCH(".", perl, "\0", match_not_dot_null | match_not_dot_newline, make_array(-2, -2));
85 TEST_REGEX_SEARCH(".", basic, "a", match_default, make_array(0, 1, -2, -2));
86 TEST_REGEX_SEARCH(".", basic, "\n", match_default, make_array(0, 1, -2, -2));
87 TEST_REGEX_SEARCH(".", basic, "\r", match_default, make_array(0, 1, -2, -2));
88 TEST_REGEX_SEARCH(".", basic, "\0", match_default, make_array(0, 1, -2, -2));
89 TEST_REGEX_SEARCH(".", basic, "a", match_not_dot_newline, make_array(0, 1, -2, -2));
90 TEST_REGEX_SEARCH(".", basic, "\n", match_not_dot_newline, make_array(-2, -2));
91 TEST_REGEX_SEARCH(".", basic, "\r", match_not_dot_newline, make_array(-2, -2));
92 TEST_REGEX_SEARCH(".", basic, "\0", match_not_dot_newline, make_array(0, 1, -2, -2));
93 TEST_REGEX_SEARCH(".", basic, "\n", match_not_dot_null | match_not_dot_newline, make_array(-2, -2));
94 TEST_REGEX_SEARCH(".", basic, "\r", match_not_dot_null | match_not_dot_newline, make_array(-2, -2));
95 TEST_REGEX_SEARCH(".", basic, "\0", match_not_dot_null | match_not_dot_newline, make_array(-2, -2));
96 }
97
test_non_marking_paren()98 void test_non_marking_paren()
99 {
100 using namespace boost::regex_constants;
101 //
102 // non-marking parenthesis added 25/04/00
103 //
104 TEST_REGEX_SEARCH("(?:abc)+", perl, "xxabcabcxx", match_default, make_array(2, 8, -2, -2));
105 TEST_REGEX_SEARCH("(?:a+)(b+)", perl, "xaaabbbx", match_default, make_array(1, 7, 4, 7, -2, -2));
106 TEST_REGEX_SEARCH("(a+)(?:b+)", perl, "xaaabbba", match_default, make_array(1, 7, 1, 4, -2, -2));
107 TEST_REGEX_SEARCH("(?:(a+)b+)", perl, "xaaabbba", match_default, make_array(1, 7, 1, 4, -2, -2));
108 TEST_REGEX_SEARCH("(?:a+(b+))", perl, "xaaabbba", match_default, make_array(1, 7, 4, 7, -2, -2));
109 TEST_REGEX_SEARCH("a+(?#b+)b+", perl, "xaaabbba", match_default, make_array(1, 7, -2, -2));
110 TEST_REGEX_SEARCH("(a)(?:b|$)", perl, "ab", match_default, make_array(0, 2, 0, 1, -2, -2));
111 TEST_REGEX_SEARCH("(a)(?:b|$)", perl, "a", match_default, make_array(0, 1, 0, 1, -2, -2));
112 }
113
test_partial_match()114 void test_partial_match()
115 {
116 using namespace boost::regex_constants;
117 //
118 // try some partial matches:
119 //
120 TEST_REGEX_SEARCH("(xyz)(.*)abc", perl, "xyzaaab", match_default|match_partial, make_array(0, 7, -2, -2));
121 TEST_REGEX_SEARCH("(xyz)(.*)abc", perl, "xyz", match_default|match_partial, make_array(0, 3, -2, -2));
122 TEST_REGEX_SEARCH("(xyz)(.*)abc", perl, "xy", match_default|match_partial, make_array(0, 2, -2, -2));
123 TEST_REGEX_SEARCH("(xyz)(.*)abc", perl, "x", match_default|match_partial, make_array(0, 1, -2, -2));
124 TEST_REGEX_SEARCH("(xyz)(.*)abc", perl, "", match_default|match_partial, make_array(-2, -2));
125 TEST_REGEX_SEARCH("(xyz)(.*)abc", perl, "aaaa", match_default|match_partial, make_array(-2, -2));
126 TEST_REGEX_SEARCH(".abc", perl, "aaab", match_default|match_partial, make_array(1, 4, -2, -2));
127 TEST_REGEX_SEARCH("a[_]", perl, "xxa", match_default|match_partial, make_array(2, 3, -2, -2));
128 TEST_REGEX_SEARCH(".{4,}", perl, "xxa", match_default|match_partial, make_array(0, 3, -2, -2));
129 TEST_REGEX_SEARCH(".{4,}", perl, "xxa", match_default|match_partial|match_not_dot_null, make_array(0, 3, -2, -2));
130 TEST_REGEX_SEARCH("[\\x0-\\xff]{4,}", perl, "xxa", match_default|match_partial, make_array(0, 3, -2, -2));
131 TEST_REGEX_SEARCH("a{4,}", perl, "aaa", match_default|match_partial, make_array(0, 3, -2, -2));
132 TEST_REGEX_SEARCH("\\w{4,}", perl, "aaa", match_default|match_partial, make_array(0, 3, -2, -2));
133 TEST_REGEX_SEARCH(".*?<tag>", perl, "aaa", match_default|match_partial, make_array(0, 3, -2, -2));
134 TEST_REGEX_SEARCH("a*?<tag>", perl, "aaa", match_default|match_partial, make_array(0, 3, -2, -2));
135 TEST_REGEX_SEARCH("\\w*?<tag>", perl, "aaa", match_default|match_partial, make_array(0, 3, -2, -2));
136 TEST_REGEX_SEARCH("(\\w)*?<tag>", perl, "aaa", match_default|match_partial, make_array(0, 3, -2, -2));
137
138 TEST_REGEX_SEARCH("(xyz)(.*)abc", extended, "xyzaaab", match_default|match_partial, make_array(0, 7, -2, -2));
139 TEST_REGEX_SEARCH("(xyz)(.*)abc", extended, "xyz", match_default|match_partial, make_array(0, 3, -2, -2));
140 TEST_REGEX_SEARCH("(xyz)(.*)abc", extended, "xy", match_default|match_partial, make_array(0, 2, -2, -2));
141 TEST_REGEX_SEARCH("(xyz)(.*)abc", extended, "x", match_default|match_partial, make_array(0, 1, -2, -2));
142 TEST_REGEX_SEARCH("(xyz)(.*)abc", extended, "", match_default|match_partial, make_array(-2, -2));
143 TEST_REGEX_SEARCH("(xyz)(.*)abc", extended, "aaaa", match_default|match_partial, make_array(-2, -2));
144 TEST_REGEX_SEARCH(".abc", extended, "aaab", match_default|match_partial, make_array(1, 4, -2, -2));
145 TEST_REGEX_SEARCH("a[_]", extended, "xxa", match_default|match_partial, make_array(2, 3, -2, -2));
146 TEST_REGEX_SEARCH(".{4,}", extended, "xxa", match_default|match_partial, make_array(0, 3, -2, -2));
147 TEST_REGEX_SEARCH(".{4,}", extended, "xxa", match_default|match_partial|match_not_dot_null, make_array(0, 3, -2, -2));
148 }
149
test_nosubs()150 void test_nosubs()
151 {
152 using namespace boost::regex_constants;
153 // subtleties of matching with no sub-expressions marked
154 TEST_REGEX_SEARCH("a(b?c)+d", perl, "accd", match_default|match_nosubs, make_array(0, 4, -2, -2));
155 TEST_REGEX_SEARCH("(wee|week)(knights|night)", perl, "weeknights", match_default|match_nosubs, make_array(0, 10, -2, -2));
156 TEST_REGEX_SEARCH(".*", perl, "abc", match_default|match_nosubs, make_array(0, 3, -2, 3, 3, -2, -2));
157 TEST_REGEX_SEARCH("a(b|(c))d", perl, "abd", match_default|match_nosubs, make_array(0, 3, -2, -2));
158 TEST_REGEX_SEARCH("a(b|(c))d", perl, "acd", match_default|match_nosubs, make_array(0, 3, -2, -2));
159 TEST_REGEX_SEARCH("a(b*|c|e)d", perl, "abbd", match_default|match_nosubs, make_array(0, 4, -2, -2));
160
161 TEST_REGEX_SEARCH("a(b*|c|e)d", perl, "acd", match_default|match_nosubs, make_array(0, 3, -2, -2));
162 TEST_REGEX_SEARCH("a(b*|c|e)d", perl, "ad", match_default|match_nosubs, make_array(0, 2, -2, -2));
163 TEST_REGEX_SEARCH("a(b?)c", perl, "abc", match_default|match_nosubs, make_array(0, 3, -2, -2));
164 TEST_REGEX_SEARCH("a(b?)c", perl, "ac", match_default|match_nosubs, make_array(0, 2, -2, -2));
165 TEST_REGEX_SEARCH("a(b+)c", perl, "abc", match_default|match_nosubs, make_array(0, 3, -2, -2));
166 TEST_REGEX_SEARCH("a(b+)c", perl, "abbbc", match_default|match_nosubs, make_array(0, 5, -2, -2));
167 TEST_REGEX_SEARCH("a(b*)c", perl, "ac", match_default|match_nosubs, make_array(0, 2, -2, -2));
168 TEST_REGEX_SEARCH("(a|ab)(bc([de]+)f|cde)", perl, "abcdef", match_default|match_nosubs, make_array(0, 6, -2, -2));
169 TEST_REGEX_SEARCH("a([bc]?)c", perl, "abc", match_default|match_nosubs, make_array(0, 3, -2, -2));
170 TEST_REGEX_SEARCH("a([bc]?)c", perl, "ac", match_default|match_nosubs, make_array(0, 2, -2, -2));
171
172 TEST_REGEX_SEARCH("a([bc]+)c", perl, "abc", match_default|match_nosubs, make_array(0, 3, -2, -2));
173 TEST_REGEX_SEARCH("a([bc]+)c", perl, "abcc", match_default|match_nosubs, make_array(0, 4, -2, -2));
174 TEST_REGEX_SEARCH("a([bc]+)bc", perl, "abcbc", match_default|match_nosubs, make_array(0, 5, -2, -2));
175 TEST_REGEX_SEARCH("a(bb+|b)b", perl, "abb", match_default|match_nosubs, make_array(0, 3, -2, -2));
176 TEST_REGEX_SEARCH("a(bbb+|bb+|b)b", perl, "abb", match_default|match_nosubs, make_array(0, 3, -2, -2));
177 TEST_REGEX_SEARCH("a(bbb+|bb+|b)b", perl, "abbb", match_default|match_nosubs, make_array(0, 4, -2, -2));
178 TEST_REGEX_SEARCH("a(bbb+|bb+|b)bb", perl, "abbb", match_default|match_nosubs, make_array(0, 4, -2, -2));
179 TEST_REGEX_SEARCH("(.*).*", perl, "abcdef", match_default|match_nosubs, make_array(0, 6, -2, 6, 6, -2, -2));
180 TEST_REGEX_SEARCH("(a*)*", perl, "bc", match_default|match_nosubs, make_array(0, 0, -2, 1, 1, -2, 2, 2, -2, -2));
181
182 TEST_REGEX_SEARCH("a(b?c)+d", perl|nosubs, "accd", match_default, make_array(0, 4, -2, -2));
183 TEST_REGEX_SEARCH("(wee|week)(knights|night)", perl|nosubs, "weeknights", match_default, make_array(0, 10, -2, -2));
184 TEST_REGEX_SEARCH(".*", perl|nosubs, "abc", match_default, make_array(0, 3, -2, 3, 3, -2, -2));
185 TEST_REGEX_SEARCH("a(b|(c))d", perl|nosubs, "abd", match_default, make_array(0, 3, -2, -2));
186 TEST_REGEX_SEARCH("a(b|(c))d", perl|nosubs, "acd", match_default, make_array(0, 3, -2, -2));
187 TEST_REGEX_SEARCH("a(b*|c|e)d", perl|nosubs, "abbd", match_default, make_array(0, 4, -2, -2));
188
189 TEST_REGEX_SEARCH("a(b*|c|e)d", perl|nosubs, "acd", match_default, make_array(0, 3, -2, -2));
190 TEST_REGEX_SEARCH("a(b*|c|e)d", perl|nosubs, "ad", match_default, make_array(0, 2, -2, -2));
191 TEST_REGEX_SEARCH("a(b?)c", perl|nosubs, "abc", match_default, make_array(0, 3, -2, -2));
192 TEST_REGEX_SEARCH("a(b?)c", perl|nosubs, "ac", match_default, make_array(0, 2, -2, -2));
193 TEST_REGEX_SEARCH("a(b+)c", perl|nosubs, "abc", match_default, make_array(0, 3, -2, -2));
194 TEST_REGEX_SEARCH("a(b+)c", perl|nosubs, "abbbc", match_default, make_array(0, 5, -2, -2));
195 TEST_REGEX_SEARCH("a(b*)c", perl|nosubs, "ac", match_default, make_array(0, 2, -2, -2));
196 TEST_REGEX_SEARCH("(a|ab)(bc([de]+)f|cde)", perl|nosubs, "abcdef", match_default, make_array(0, 6, -2, -2));
197 TEST_REGEX_SEARCH("a([bc]?)c", perl|nosubs, "abc", match_default, make_array(0, 3, -2, -2));
198 TEST_REGEX_SEARCH("a([bc]?)c", perl|nosubs, "ac", match_default, make_array(0, 2, -2, -2));
199
200 TEST_REGEX_SEARCH("a([bc]+)c", perl|nosubs, "abc", match_default, make_array(0, 3, -2, -2));
201 TEST_REGEX_SEARCH("a([bc]+)c", perl|nosubs, "abcc", match_default, make_array(0, 4, -2, -2));
202 TEST_REGEX_SEARCH("a([bc]+)bc", perl|nosubs, "abcbc", match_default, make_array(0, 5, -2, -2));
203 TEST_REGEX_SEARCH("a(bb+|b)b", perl|nosubs, "abb", match_default, make_array(0, 3, -2, -2));
204 TEST_REGEX_SEARCH("a(bbb+|bb+|b)b", perl|nosubs, "abb", match_default, make_array(0, 3, -2, -2));
205 TEST_REGEX_SEARCH("a(bbb+|bb+|b)b", perl|nosubs, "abbb", match_default, make_array(0, 4, -2, -2));
206 TEST_REGEX_SEARCH("a(bbb+|bb+|b)bb", perl|nosubs, "abbb", match_default, make_array(0, 4, -2, -2));
207 TEST_REGEX_SEARCH("(.*).*", perl|nosubs, "abcdef", match_default, make_array(0, 6, -2, 6, 6, -2, -2));
208 TEST_REGEX_SEARCH("(a*)*", perl|nosubs, "bc", match_default, make_array(0, 0, -2, 1, 1, -2, 2, 2, -2, -2));
209 }
210
211
212