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libcxx_old/test/std/re/re.regex/re.regex.construct/copy.pass.cpp

28 lines
744 B
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class charT, class traits = regex_traits<charT>> class basic_regex;
// basic_regex(const basic_regex& e);
#include <regex>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
std::regex r1("(a([bc]))");
std::regex r2 = r1;
assert(r2.flags() == std::regex::ECMAScript);
assert(r2.mark_count() == 2);
return 0;
}