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 // UNSUPPORTED: no-exceptions 11 // UNSUPPORTED: c++03 12 13 // the "n" in `a{n}` should be within the numeric limits. 14 15 #include <regex> 16 #include <cassert> 17 #include "test_macros.h" 18 main(int,char **)19int main(int, char**) { 20 for (std::regex_constants::syntax_option_type op : 21 {std::regex::basic, std::regex::grep}) { 22 try { 23 TEST_IGNORE_NODISCARD std::regex("a\\{100000000000000000\\}", op); 24 assert(false); 25 } catch (const std::regex_error &e) { 26 assert(e.code() == std::regex_constants::error_badbrace); 27 } 28 } 29 for (std::regex_constants::syntax_option_type op : 30 {std::regex::ECMAScript, std::regex::extended, std::regex::egrep, 31 std::regex::awk}) { 32 try { 33 TEST_IGNORE_NODISCARD std::regex("a{100000000000000000}", op); 34 assert(false); 35 } catch (const std::regex_error &e) { 36 assert(e.code() == std::regex_constants::error_badbrace); 37 } 38 } 39 return 0; 40 } 41