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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <regex> 10 11 // template <class charT, class traits = regex_traits<charT>> class basic_regex; 12 13 // basic_regex& assign(const basic_regex& that); 14 15 #include <regex> 16 #include <cassert> 17 #include "test_macros.h" 18 main(int,char **)19int main(int, char**) 20 { 21 std::regex r1("(a([bc]))"); 22 std::regex r2; 23 r2.assign(r1); 24 assert(r2.flags() == std::regex::ECMAScript); 25 assert(r2.mark_count() == 2); 26 assert(std::regex_search("ab", r2)); 27 28 #ifndef TEST_HAS_NO_EXCEPTIONS 29 bool caught = false; 30 try { r2.assign("(def", std::regex::extended); } 31 catch(std::regex_error &) { caught = true; } 32 assert(caught); 33 assert(r2.flags() == std::regex::ECMAScript); 34 assert(r2.mark_count() == 2); 35 assert(std::regex_search("ab", r2)); 36 #endif 37 38 return 0; 39 } 40