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

   1 // { dg-do run { target c++11 } }
   2
   3 //
   4 // 2013-09-24  Tim Shen <timshen91@gmail.com>
   5 //
   6 // Copyright (C) 2013-2019 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 28.10.5 formatting
  24 // Tests ECMAScript format()
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28 #include <testsuite_regex.h>
  29
  30 using namespace std;
  31 using namespace __gnu_test;
  32
  33 void
  34 test01()
  35 {
  36   cmatch m;
  37   VERIFY(regex_search_debug("*** this is a string !!!", m,
  38                             regex("(\\w+) (\\w+) (\\w+) (\\w+)")));
  39   VERIFY(m.format("$&|$`|$3|$4|$2|$1|$'$$$")
  40          == "this is a string|*** |a|string|is|this| !!!$$");
  41   VERIFY(m.format("&|\\3|\\4|\\2|\\1|\\",
  42                   regex_constants::format_sed)
  43          == "this is a string|a|string|is|this|\\");
  44 }
  45
  46 void
  47 test02()
  48 {
  49   regex re("asdf");
  50   cmatch m;
  51   regex_match("asdf", m, re);
  52   string fmt = "|&|\\0|";
  53   char buff[4096] = {0};
  54   string res = "|asdf|asdf|";
  55   VERIFY(m.format(buff, fmt.data(), fmt.data() + fmt.size(),
  56                   regex_constants::format_sed) == buff + res.size());
  57   VERIFY(res == buff);
  58 }
  59
  60 int
  61 main()
  62 {
  63   test01();
  64   test02();
  65   return 0;
  66 }