llvm-project/libcxx/test/re/re.regex/re.regex.assign/copy.pass.cpp

27 lines
701 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class charT, class traits = regex_traits<charT>> class basic_regex;
// basic_regex& operator=(const basic_regex& e);
#include <regex>
#include <cassert>
int main()
{
std::regex r1("(a([bc]))");
std::regex r2;
r2 = r1;
assert(r2.flags() == std::regex::ECMAScript);
assert(r2.mark_count() == 2);
}