1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <regex>
11
12// template <class BidirectionalIterator, class Allocator, class charT, class traits>
13//     bool
14//     regex_match(BidirectionalIterator first, BidirectionalIterator last,
15//                  match_results<BidirectionalIterator, Allocator>& m,
16//                  const basic_regex<charT, traits>& e,
17//                  regex_constants::match_flag_type flags = regex_constants::match_default);
18
19// http://llvm.org/bugs/show_bug.cgi?id=16135
20
21#include <string>
22#include <regex>
23#include <cassert>
24
25void
26test1()
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
35void
36test2()
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
45void
46test3()
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
55void
56test4()
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
65int
66main()
67{
68    test1();
69    test2();
70    test3();
71    test4();
72}
73