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libcxx/test/std/re/re.regex/re.regex.assign/assign_string_flag.pass.cpp

33 lines
1004 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;
// template <class string_traits, class A>
// basic_regex& assign(const basic_string<charT, string_traits, A>& s,
// flag_type f = regex_constants::ECMAScript);
#include <regex>
#include <cassert>
#include "test_macros.h"
int main()
{
std::regex r2;
r2.assign(std::string("(a([bc]))"));
assert(r2.flags() == std::regex::ECMAScript);
assert(r2.mark_count() == 2);
r2.assign(std::string("(a([bc]))"), std::regex::extended);
assert(r2.flags() == std::regex::extended);
assert(r2.mark_count() == 2);
}