41 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// UNSUPPORTED: no-exceptions11// UNSUPPORTED: c++0312 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 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