libstdc++-v3/testsuite/tr1/7_regular_expressions/match_results/ctors/char/default.cc

   1 // { dg-do link }
   2
   3 // 2007-03-12  Stephen M. Webb  <stephen.webb@bregmasoft.com>
   4 //
   5 // Copyright (C) 2007-2020 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // tr1 [7.10.1] class template match_results constructor
  23
  24 #include <tr1/regex>
  25 #include <testsuite_hooks.h>
  26
  27 // Tests default constructor of the match_result class.
  28 void test01()
  29 {
  30   typedef std::tr1::match_results<char*> test_type;
  31
  32   // default constructor
  33   test_type m;
  34
  35   // Check for required typedefs
  36   typedef test_type::value_type      value_type;
  37   typedef test_type::const_reference const_reference;
  38   typedef test_type::reference       reference;
  39   typedef test_type::const_iterator  const_iterator;
  40   typedef test_type::iterator        iterator;
  41   typedef test_type::difference_type difference_type;
  42   typedef test_type::size_type       size_type;
  43   typedef test_type::allocator_type  allocator_type;
  44   typedef test_type::char_type       char_type;
  45   typedef test_type::string_type     string_type;
  46
  47   VERIFY( m.size() == 0 );
  48   VERIFY( m.str() == std::basic_string<char_type>() );
  49 }
  50
  51 int
  52 main()
  53 {
  54   test01();
  55   return 0;
  56 }