32 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// 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