1 // { dg-do run { target c++11 } }
2 // { dg-timeout-factor 2 }
3
4 //
5 // 2013-09-14 Tim Shen <timshen91@gmail.com>
6 //
7 // Copyright (C) 2013-2020 Free Software Foundation, Inc.
8 //
9 // This file is part of the GNU ISO C++ Library. This library is free
10 // software; you can redistribute it and/or modify it under the
11 // terms of the GNU General Public License as published by the
12 // Free Software Foundation; either version 3, or (at your option)
13 // any later version.
14 //
15 // This library is distributed in the hope that it will be useful,
16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 // GNU General Public License for more details.
19 //
20 // You should have received a copy of the GNU General Public License along
21 // with this library; see the file COPYING3. If not see
22 // <http://www.gnu.org/licenses/>.
23
24 // 28.11.3 regex_search
25 // Tests ECMAScript assertion.
26
27 #include <regex>
28 #include <testsuite_hooks.h>
29 #include <testsuite_regex.h>
30
31 using namespace __gnu_test;
32 using namespace std;
33
34 void
test01()35 test01()
36 {
37 VERIFY(!regex_search_debug("2123456", regex("^1234")));
38 VERIFY(regex_search_debug("123456", regex("^1234")));
39 VERIFY(regex_search_debug("123456", regex("(5|^)1234")));
40 VERIFY(regex_search_debug("5123456", regex("(5|^)1234")));
41 VERIFY(!regex_search_debug("1234562", regex("3456$")));
42 VERIFY(regex_search_debug("123456", regex("3456$")));
43 VERIFY(!regex_search_debug("123456", regex("(?=1234)56")));
44 VERIFY(regex_search_debug("123456", regex("(?=1234)123456")));
45 VERIFY(regex_search_debug("123456", regex("(?!1234)56")));
46 VERIFY(!regex_search_debug("123456", regex("(?!1234)123456")));
47
48 VERIFY(regex_search_debug("a-", regex("a\\b-")));
49 VERIFY(!regex_search_debug("ab", regex("a\\bb")));
50 VERIFY(!regex_search_debug("a-", regex("a\\B-")));
51 VERIFY(regex_search_debug("ab", regex("a\\Bb")));
52
53 string s("This is a regular expression");
54 string sol[] =
55 {
56 "This",
57 "",
58 "is",
59 "",
60 "a",
61 "",
62 "regular",
63 "",
64 "expression",
65 "",
66 };
67
68 regex re("\\b\\w*\\b");
69 int i = 0;
70 for (auto it = sregex_iterator(s.begin(), s.end(), re);
71 it != sregex_iterator();
72 ++it)
73 {
74 string s((*it)[0].first, (*it)[0].second);
75 VERIFY(s == sol[i++]);
76 }
77 VERIFY(i == 10);
78
79 {
80 cmatch m;
81 regex re("(?=(as)df)as(df)");
82 regex_search("asdf", m, re);
83 VERIFY(m.size() == 3);
84 VERIFY(m[0].matched && string(m[0].first, m[0].second) == "asdf");
85 VERIFY(m[1].matched && string(m[1].first, m[1].second) == "as");
86 VERIFY(m[2].matched && string(m[2].first, m[2].second) == "df");
87 }
88 }
89
90 int
main()91 main()
92 {
93 test01();
94 return 0;
95 }
96