libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/3.cc

   1 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   2
   3 // 2003-02-24 Petur Runolfsson <peturr02@ru.is>
   4
   5 // Copyright (C) 2003-2020 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 // 22.2.4.1.1 collate members
  23
  24 #include <locale>
  25 #include <testsuite_hooks.h>
  26
  27 // Test handling of strings containing nul characters
  28 void test03()
  29 {
  30   using namespace std;
  31   typedef std::collate<wchar_t>::string_type string_type;
  32
  33   // basic construction
  34   locale loc_c = locale::classic();
  35   locale loc_de = locale(ISO_8859(15,de_DE));
  36   VERIFY( loc_c != loc_de );
  37
  38   // cache the collate facets
  39   const collate<wchar_t>& coll_c = use_facet<collate<wchar_t> >(loc_c);
  40   const collate<wchar_t>& coll_de = use_facet<collate<wchar_t> >(loc_de);
  41
  42   // int compare(const charT*, const charT*, const charT*, const charT*) const
  43   const wchar_t* strlit1 = L"a\0a\0";
  44   const wchar_t* strlit2 = L"a\0b\0";
  45   const wchar_t* strlit3 = L"a\0\xc4\0";
  46   const wchar_t* strlit4 = L"a\0B\0";
  47   const wchar_t* strlit5 = L"aa\0";
  48   const wchar_t* strlit6 = L"b\0a\0";
  49
  50   int i;
  51   i = coll_c.compare(strlit1, strlit1 + 3, strlit2, strlit2 + 3);
  52   VERIFY( i == -1 );
  53
  54   i = coll_de.compare(strlit1, strlit1 + 3, strlit2, strlit2 + 3);
  55   VERIFY( i == -1 );
  56
  57   i = coll_c.compare(strlit3, strlit3 + 3, strlit4, strlit4 + 3);
  58   VERIFY( i == 1 );
  59
  60   i = coll_de.compare(strlit3, strlit3 + 3, strlit4, strlit4 + 3);
  61   VERIFY( i == -1 );
  62
  63   i = coll_c.compare(strlit1, strlit1 + 3, strlit1, strlit1 + 4);
  64   VERIFY( i == -1 );
  65
  66   i = coll_de.compare(strlit3, strlit3 + 4, strlit3, strlit3 + 3);
  67   VERIFY( i == 1 );
  68
  69   i = coll_c.compare(strlit1, strlit1 + 4, strlit4, strlit4 + 1);
  70   VERIFY( i == 1 );
  71
  72   i = coll_de.compare(strlit3, strlit3 + 3, strlit3, strlit3 + 3);
  73   VERIFY( i == 0 );
  74
  75   i = coll_c.compare(strlit1, strlit1 + 2, strlit1, strlit1 + 4);
  76   VERIFY( i == -1 );
  77
  78   i = coll_de.compare(strlit1, strlit1 + 3, strlit5, strlit5 + 3);
  79   VERIFY( i == -1 );
  80
  81   i = coll_c.compare(strlit6, strlit6 + 3, strlit1, strlit1 + 3);
  82   VERIFY( i == 1 );
  83 }
  84
  85 int main()
  86 {
  87   test03();
  88   return 0;
  89 }