libcxx/test/std/re/re.alg/re.alg.replace/exponential.pass.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-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <regex>
  10 // UNSUPPORTED: no-exceptions
  11
  12 // template <class OutputIterator, class BidirectionalIterator,
  13 //           class traits, class charT, class ST, class SA>
  14 //     OutputIterator
  15 //     regex_replace(OutputIterator out,
  16 //                   BidirectionalIterator first, BidirectionalIterator last,
  17 //                   const basic_regex<charT, traits>& e,
  18 //                   const basic_string<charT, ST, SA>& fmt,
  19 //                   regex_constants::match_flag_type flags =
  20 //                                              regex_constants::match_default);
  21
  22 #include <regex>
  23 #include <cassert>
  24
  25 #include "test_macros.h"
  26
  27 int main(int, char**)
  28 {
  29     try {
  30         std::regex re("a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?aaaaaaaaaaaaaaaaaaaa");
  31         const char s[] = "aaaaaaaaaaaaaaaaaaaa";
  32         std::string r = std::regex_replace(s, re, "123-&", std::regex_constants::format_sed);
  33         LIBCPP_ASSERT(false);
  34         assert(r == "123-aaaaaaaaaaaaaaaaaaaa");
  35     } catch (const std::regex_error &e) {
  36       assert(e.code() == std::regex_constants::error_complexity);
  37     }
  38     return 0;
  39 }