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9d6849f1 | 1 | // { dg-options "-std=gnu++11" } |
9d6849f1 | 2 | |
3 | // | |
4 | // 2013-07-25 Tim Shen <timshen91@gmail.com> | |
5 | // | |
f1717362 | 6 | // Copyright (C) 2013-2016 Free Software Foundation, Inc. |
9d6849f1 | 7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
12 | // any later version. | |
13 | // | |
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | // | |
19 | // You should have received a copy of the GNU General Public License along | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | // 28.12.1 regex_iterator | |
24 | // Tests iter->position() behavior | |
25 | ||
26 | #include <regex> | |
db23e1ad | 27 | #include <tuple> |
9d6849f1 | 28 | #include <testsuite_hooks.h> |
29 | ||
30 | void | |
31 | test01() | |
32 | { | |
33 | bool test __attribute__((unused)) = true; | |
34 | ||
35 | std::regex re("asdf"); | |
36 | std::string s("asdfasdfasdf"); | |
37 | int i = 0; | |
38 | for (std::sregex_iterator it(s.begin(), s.end(), re); | |
39 | it != std::sregex_iterator(); | |
40 | ++it, i++) { | |
41 | VERIFY( it->position() == 4 * i ); | |
42 | } | |
43 | } | |
44 | ||
db23e1ad | 45 | // PR libstdc++/64239 |
46 | void | |
47 | test02() | |
48 | { | |
49 | bool test __attribute__((unused)) = true; | |
50 | ||
51 | std::regex re("\\w+"); | |
52 | std::string s("-a-b-c-"); | |
53 | ||
54 | std::tuple<int, int, const char*> expected[] = | |
55 | { | |
56 | std::make_tuple(1, 1, "a"), | |
57 | std::make_tuple(3, 1, "b"), | |
58 | std::make_tuple(5, 1, "c"), | |
59 | }; | |
60 | ||
61 | int i = 0; | |
62 | for (auto it1 = std::sregex_iterator(s.begin(), s.end(), re), | |
63 | end = std::sregex_iterator(); it1 != end; ++it1, i++) | |
64 | { | |
65 | auto it2 = it1; | |
66 | VERIFY(it1->position() == std::get<0>(expected[i])); | |
67 | VERIFY(it1->length() == std::get<1>(expected[i])); | |
68 | VERIFY(it1->str() == std::get<2>(expected[i])); | |
69 | VERIFY(it2->position() == std::get<0>(expected[i])); | |
70 | VERIFY(it2->length() == std::get<1>(expected[i])); | |
71 | VERIFY(it2->str() == std::get<2>(expected[i])); | |
72 | } | |
73 | } | |
74 | ||
75 | void | |
76 | test03() | |
77 | { | |
78 | bool test __attribute__((unused)) = true; | |
79 | ||
80 | std::smatch m; | |
81 | std::string s = "abcde"; | |
82 | std::regex_search(s, m, std::regex("bcd")); | |
83 | VERIFY(m.position() == 1); | |
84 | VERIFY(m.position() == m.prefix().length()); | |
85 | } | |
86 | ||
9d6849f1 | 87 | int |
88 | main() | |
89 | { | |
90 | test01(); | |
db23e1ad | 91 | test02(); |
92 | test03(); | |
9d6849f1 | 93 | return 0; |
94 | } |