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// UNSUPPORTED: no-exceptions
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
21static bool error_badrepeat_thrown(const char *pat)
22{
23 bool result = false;
24 try {
25 std::regex re(pat);
26 } catch (const std::regex_error &ex) {
27 result = (ex.code() == std::regex_constants::error_badrepeat);
28 }
29 return result;
30}
31
32int main(int, char**)
33{
34 assert(error_badrepeat_thrown("?a"));
35 assert(error_badrepeat_thrown("*a"));
36 assert(error_badrepeat_thrown("+a"));
37 assert(error_badrepeat_thrown("{a"));
38
39 assert(error_badrepeat_thrown("?(a+)"));
40 assert(error_badrepeat_thrown("*(a+)"));
41 assert(error_badrepeat_thrown("+(a+)"));
42 assert(error_badrepeat_thrown("{(a+)"));
43
44 return 0;
45}
46

source code of libcxx/test/std/re/re.regex/re.regex.construct/bad_repeat.pass.cpp