libstdc++-v3/testsuite/28_regex/match_results/format.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-timeout-factor 2 }
   3
   4 //
   5 // 2013-09-24  Tim Shen <timshen91@gmail.com>
   6 //
   7 // Copyright (C) 2013-2023 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14 //
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 // 28.10.5 formatting
  25 // Tests ECMAScript format()
  26
  27 #include <regex>
  28 #include <testsuite_hooks.h>
  29 #include <testsuite_regex.h>
  30
  31 using namespace std;
  32 using namespace __gnu_test;
  33
  34 void
  35 test01()
  36 {
  37   cmatch m;
  38   VERIFY(regex_search_debug("*** this is a string !!!", m,
  39                             regex("(\\w+) (\\w+) (\\w+) (\\w+)")));
  40   VERIFY(m.format("$&|$`|$3|$4|$2|$1|$'$$$")
  41          == "this is a string|*** |a|string|is|this| !!!$$");
  42   VERIFY(m.format("&|\\3|\\4|\\2|\\1|\\",
  43                   regex_constants::format_sed)
  44          == "this is a string|a|string|is|this|\\");
  45 }
  46
  47 void
  48 test02()
  49 {
  50   regex re("asdf");
  51   cmatch m;
  52   regex_match("asdf", m, re);
  53   string fmt = "|&|\\0|";
  54   char buff[4096] = {0};
  55   string res = "|asdf|asdf|";
  56   VERIFY(m.format(buff, fmt.data(), fmt.data() + fmt.size(),
  57                   regex_constants::format_sed) == buff + res.size());
  58   VERIFY(res == buff);
  59 }
  60
  61 int
  62 main()
  63 {
  64   test01();
  65   test02();
  66   return 0;
  67 }