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 charT, class traits = regex_traits<charT>> class basic_regex;
12
13// template <class charT, class traits>
14// void swap(basic_regex<charT, traits>& lhs, basic_regex<charT, traits>& rhs);
15
16#include <regex>
17#include <cassert>
18#include "test_macros.h"
19
20int main(int, char**)
21{
22 std::regex r1("(a([bc]))");
23 std::regex r2;
24 swap(r2, r1);
25 assert(r1.flags() == std::regex::ECMAScript);
26 assert(r1.mark_count() == 0);
27 assert(r2.flags() == std::regex::ECMAScript);
28 assert(r2.mark_count() == 2);
29
30 return 0;
31}
32

source code of libcxx/test/std/re/re.regex/re.regex.nonmemb/re.regex.nmswap/swap.pass.cpp