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 // UNSUPPORTED: c++98, c++03
12
13 // Make sure that we correctly match inverted character classes.
14
15 #include <cassert>
16 #include <regex>
17
18
main()19 int main() {
20 assert(std::regex_match("X", std::regex("[X]")));
21 assert(std::regex_match("X", std::regex("[XY]")));
22 assert(!std::regex_match("X", std::regex("[^X]")));
23 assert(!std::regex_match("X", std::regex("[^XY]")));
24
25 assert(std::regex_match("X", std::regex("[\\S]")));
26 assert(!std::regex_match("X", std::regex("[^\\S]")));
27
28 assert(!std::regex_match("X", std::regex("[\\s]")));
29 assert(std::regex_match("X", std::regex("[^\\s]")));
30
31 assert(std::regex_match("X", std::regex("[\\s\\S]")));
32 assert(std::regex_match("X", std::regex("[^Y\\s]")));
33 assert(!std::regex_match("X", std::regex("[^X\\s]")));
34
35 assert(std::regex_match("X", std::regex("[\\w]")));
36 assert(std::regex_match("_", std::regex("[\\w]")));
37 assert(!std::regex_match("X", std::regex("[^\\w]")));
38 assert(!std::regex_match("_", std::regex("[^\\w]")));
39
40 assert(!std::regex_match("X", std::regex("[\\W]")));
41 assert(!std::regex_match("_", std::regex("[\\W]")));
42 assert(std::regex_match("X", std::regex("[^\\W]")));
43 assert(std::regex_match("_", std::regex("[^\\W]")));
44 }
45