31 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <regex>10 11// template <class charT, class traits = regex_traits<charT>> class basic_regex;12 13// void swap(basic_regex& e);14 15#include <regex>16#include <cassert>17#include "test_macros.h"18 19int main(int, char**)20{21 std::regex r1("(a([bc]))");22 std::regex r2;23 r2.swap(r1);24 assert(r1.flags() == std::regex::ECMAScript);25 assert(r1.mark_count() == 0);26 assert(r2.flags() == std::regex::ECMAScript);27 assert(r2.mark_count() == 2);28 29 return 0;30}31