1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <regex>
10 
11 // template <class BidirectionalIterator, class Allocator, class charT, class traits>
12 //     bool
13 //     regex_match(BidirectionalIterator first, BidirectionalIterator last,
14 //                  match_results<BidirectionalIterator, Allocator>& m,
15 //                  const basic_regex<charT, traits>& e,
16 //                  regex_constants::match_flag_type flags = regex_constants::match_default);
17 
18 // https://llvm.org/PR16135
19 
20 #include <string>
21 #include <regex>
22 #include <cassert>
23 #include "test_macros.h"
24 
25 void
test1()26 test1()
27 {
28     std::string re("\\{a\\}");
29     std::string target("{a}");
30     std::regex regex(re);
31     std::smatch smatch;
32     assert((std::regex_match(target, smatch, regex)));
33 }
34 
35 void
test2()36 test2()
37 {
38     std::string re("\\{a\\}");
39     std::string target("{a}");
40     std::regex regex(re, std::regex::extended);
41     std::smatch smatch;
42     assert((std::regex_match(target, smatch, regex)));
43 }
44 
45 void
test3()46 test3()
47 {
48     std::string re("\\{a\\}");
49     std::string target("{a}");
50     std::regex regex(re, std::regex::awk);
51     std::smatch smatch;
52     assert((std::regex_match(target, smatch, regex)));
53 }
54 
55 void
test4()56 test4()
57 {
58     std::string re("\\{a\\}");
59     std::string target("{a}");
60     std::regex regex(re, std::regex::egrep);
61     std::smatch smatch;
62     assert((std::regex_match(target, smatch, regex)));
63 }
64 
main(int,char **)65 int main(int, char**)
66 {
67     test1();
68     test2();
69     test3();
70     test4();
71 
72   return 0;
73 }
74