libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/1.cc

   1 // { dg-require-namedlocale "en_US.ISO8859-1" }
   2 // { dg-require-namedlocale "fr_FR.ISO8859-15" }
   3 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   4
   5 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
   6
   7 // Copyright (C) 2001-2024 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 // 22.2.4.1.1 collate members
  25
  26 #include <locale>
  27 #include <testsuite_hooks.h>
  28
  29 // Check "C" locale.
  30 void test01()
  31 {
  32   using namespace std;
  33   typedef std::collate<wchar_t>::string_type string_type;
  34
  35   // basic construction
  36   locale loc_c = locale::classic();
  37   locale loc_us = locale(ISO_8859(1,en_US));
  38   locale loc_fr = locale(ISO_8859(15,fr_FR));
  39   locale loc_de = locale(ISO_8859(15,de_DE));
  40   VERIFY( loc_c != loc_de );
  41   VERIFY( loc_us != loc_fr );
  42   VERIFY( loc_us != loc_de );
  43   VERIFY( loc_de != loc_fr );
  44
  45   // cache the collate facets
  46   const collate<wchar_t>& coll_c = use_facet<collate<wchar_t> >(loc_c);
  47
  48   // int compare(const charT*, const charT*, const charT*, const charT*) const
  49
  50   const wchar_t* strlit1 = L"monkey picked tikuanyin oolong";
  51   const wchar_t* strlit2 = L"imperial tea court green oolong";
  52
  53   int i1;
  54   int i2;
  55   int size1 = char_traits<wchar_t>::length(strlit1) - 1;
  56   int size2 = char_traits<wchar_t>::length(strlit2) - 1;
  57
  58   i1 = coll_c.compare(strlit1, strlit1 + size1, strlit1, strlit1 + 7);
  59   VERIFY ( i1 == 1 );
  60   i1 = coll_c.compare(strlit1, strlit1 + 7, strlit1, strlit1 + size1);
  61   VERIFY ( i1 == -1 );
  62   i1 = coll_c.compare(strlit1, strlit1 + 7, strlit1, strlit1 + 7);
  63   VERIFY ( i1 == 0 );
  64
  65   i2 = coll_c.compare(strlit2, strlit2 + size2, strlit2, strlit2 + 13);
  66   VERIFY ( i2 == 1 );
  67   i2 = coll_c.compare(strlit2, strlit2 + 13, strlit2, strlit2 + size2);
  68   VERIFY ( i2 == -1 );
  69   i2 = coll_c.compare(strlit2, strlit2 + size2, strlit2, strlit2 + size2);
  70   VERIFY ( i2 == 0 );
  71 }
  72
  73 int main()
  74 {
  75   test01();
  76   return 0;
  77 }