50 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 InputIterator>14// basic_regex&15// assign(InputIterator first, InputIterator last,16// flag_type f = regex_constants::ECMAScript);17 18#include <cassert>19#include <regex>20#include <string>21 22#include "test_macros.h"23#include "test_iterators.h"24 25int main(int, char**)26{27 typedef cpp17_input_iterator<std::string::const_iterator> I;28 typedef forward_iterator<std::string::const_iterator> F;29 std::string s4("(a([bc]))");30 std::regex r2;31 32 r2.assign(I(s4.begin()), I(s4.end()));33 assert(r2.flags() == std::regex::ECMAScript);34 assert(r2.mark_count() == 2);35 36 r2.assign(I(s4.begin()), I(s4.end()), std::regex::extended);37 assert(r2.flags() == std::regex::extended);38 assert(r2.mark_count() == 2);39 40 r2.assign(F(s4.begin()), F(s4.end()));41 assert(r2.flags() == std::regex::ECMAScript);42 assert(r2.mark_count() == 2);43 44 r2.assign(F(s4.begin()), F(s4.end()), std::regex::extended);45 assert(r2.flags() == std::regex::extended);46 assert(r2.mark_count() == 2);47 48 return 0;49}50