libcxx/test/std/re/re.regex/re.regex.construct/awk_oct.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
  11 // template <class charT, class traits = regex_traits<charT>> class basic_regex;
  12
  13 // template <class ST, class SA>
  14 //    basic_regex(const basic_string<charT, ST, SA>& s);
  15
  16 #include <regex>
  17 #include <cassert>
  18 #include "test_macros.h"
  19
  20 int main(int, char**)
  21 {
  22     using std::regex_constants::awk;
  23
  24     assert(std::regex_match("\4", std::regex("\\4", awk)));
  25     assert(std::regex_match("\41", std::regex("\\41", awk)));
  26     assert(std::regex_match("\141", std::regex("\\141", awk)));
  27     assert(std::regex_match("\141" "1", std::regex("\\1411", awk)));
  28
  29   return 0;
  30 }