xref: /llvm-project/libcxx/test/std/re/re.regex/re.regex.construct/awk_oct.pass.cpp (revision fd5ceb2228a7d3ae5e132bfd403a72150b919eb3)
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 charT, class traits = regex_traits<charT>> class basic_regex;
13 
14 // template <class ST, class SA>
15 //    basic_regex(const basic_string<charT, ST, SA>& s);
16 
17 #include <regex>
18 #include <cassert>
19 #include "test_macros.h"
20 
21 int main()
22 {
23     using std::regex_constants::awk;
24 
25     assert(std::regex_match("\4", std::regex("\\4", awk)));
26     assert(std::regex_match("\41", std::regex("\\41", awk)));
27     assert(std::regex_match("\141", std::regex("\\141", awk)));
28     assert(std::regex_match("\1411", std::regex("\\1411", awk)));
29 }
30