libstdc++-v3/testsuite/22_locale/collate/transform/char/2.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 void test02()
  30 {
  31   using namespace std;
  32   typedef std::collate<char>::string_type string_type;
  33
  34   // basic construction
  35   locale loc_c = locale::classic();
  36   locale loc_us = locale(ISO_8859(1,en_US));
  37   locale loc_fr = locale(ISO_8859(15,fr_FR));
  38   locale loc_de = locale(ISO_8859(15,de_DE));
  39   VERIFY( loc_c != loc_de );
  40   VERIFY( loc_us != loc_fr );
  41   VERIFY( loc_us != loc_de );
  42   VERIFY( loc_de != loc_fr );
  43
  44   // cache the collate facets
  45   const collate<char>& coll_de = use_facet<collate<char> >(loc_de);
  46
  47   // long hash(const charT*, const charT*) cosnt
  48   const char* strlit3 = "Äuglein Augment"; // "C" == "Augment Äuglein"
  49   const char* strlit4 = "Base baß Baß Bast"; // "C" == "Base baß Baß Bast"
  50
  51   int i1;
  52   int i2;
  53   int size3 = char_traits<char>::length(strlit3) - 1;
  54   int size4 = char_traits<char>::length(strlit4) - 1;
  55
  56   string_type str3 = coll_de.transform(strlit3, strlit3 + size3);
  57   string_type str4 = coll_de.transform(strlit4, strlit4 + size4);
  58   i1 = str3.compare(str4);
  59   i2 = coll_de.compare(strlit3, strlit3 + size3, strlit4, strlit4 + size4);
  60   VERIFY ( i2 == -1 );
  61   VERIFY ( i1 * i2 > 0 );
  62 }
  63
  64 int main()
  65 {
  66   test02();
  67   return 0;
  68 }