libstdc++-v3/testsuite/22_locale/collate_byname/named_equivalence.cc

   1 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   2
   3 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
   4
   5 // Copyright (C) 2001-2020 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 // 22.2.4.2 Template class collate_byname
  23
  24 #include <locale>
  25 #include <cstring>
  26 #include <testsuite_hooks.h>
  27
  28 void test01()
  29 {
  30   using namespace std;
  31   typedef std::collate<char>::string_type string_type;
  32
  33   string str;
  34   locale loc_c = locale::classic();
  35
  36   locale loc_de = locale(ISO_8859(15,de_DE));
  37   str = loc_de.name();
  38
  39   locale loc_byname(locale::classic(), new collate_byname<char>(ISO_8859(15,de_DE)));
  40   str = loc_byname.name();
  41
  42   VERIFY( loc_de != loc_byname );
  43
  44   // cache the collate facets
  45   const collate<char>& coll_de = use_facet<collate<char> >(loc_de);
  46
  47   // Check German "de_DE.ISO8859-15" locale.
  48   int i1;
  49   int i2;
  50   long l1;
  51   long l2;
  52   const char* strlit3 = "Äuglein Augment"; // "C" == "Augment Äuglein"
  53   const char* strlit4 = "Base baß Baß Bast"; // "C" == "Base baß Baß Bast"
  54
  55   int size3 = strlen(strlit3) - 1;
  56   i1 = coll_de.compare(strlit3, strlit3 + size3, strlit3, strlit3 + 7);
  57   VERIFY ( i1 == 1 );
  58   i1 = coll_de.compare(strlit3, strlit3 + 7, strlit3, strlit3 + size3);
  59   VERIFY ( i1 == -1 );
  60   i1 = coll_de.compare(strlit3, strlit3 + 7, strlit3, strlit3 + 7);
  61   VERIFY ( i1 == 0 );
  62
  63   i1 = coll_de.compare(strlit3, strlit3 + 6, strlit3 + 8, strlit3 + 14);
  64   VERIFY ( i1 == -1 );
  65
  66   int size4 = strlen(strlit4) - 1;
  67   i2 = coll_de.compare(strlit4, strlit4 + size4, strlit4, strlit4 + 13);
  68   VERIFY ( i2 == 1 );
  69   i2 = coll_de.compare(strlit4, strlit4 + 13, strlit4, strlit4 + size4);
  70   VERIFY ( i2 == -1 );
  71   i2 = coll_de.compare(strlit4, strlit4 + size4, strlit4, strlit4 + size4);
  72   VERIFY ( i2 == 0 );
  73
  74   l1 = coll_de.hash(strlit3, strlit3 + size3);
  75   l2 = coll_de.hash(strlit3, strlit3 + size3 - 1);
  76   VERIFY ( l1 != l2 );
  77   l1 = coll_de.hash(strlit3, strlit3 + size3);
  78   l2 = coll_de.hash(strlit4, strlit4 + size4);
  79   VERIFY ( l1 != l2 );
  80
  81   string str3 = coll_de.transform(strlit3, strlit3 + size3);
  82   string str4 = coll_de.transform(strlit4, strlit4 + size4);
  83   i1 = str3.compare(str4);
  84   i2 = coll_de.compare(strlit3, strlit3 + size3, strlit4, strlit4 + size4);
  85   VERIFY ( i2 == -1 );
  86   VERIFY ( i1 * i2 > 0 );
  87
  88
  89   // Check byname locale
  90   int i3;
  91   int i4;
  92   long l3;
  93   long l4;
  94   size4 = strlen(strlit3) - 1;
  95   i3 = coll_de.compare(strlit3, strlit3 + size4, strlit3, strlit3 + 7);
  96   VERIFY ( i3 == 1 );
  97   i3 = coll_de.compare(strlit3, strlit3 + 7, strlit3, strlit3 + size4);
  98   VERIFY ( i3 == -1 );
  99   i3 = coll_de.compare(strlit3, strlit3 + 7, strlit3, strlit3 + 7);
 100   VERIFY ( i3 == 0 );
 101
 102   i3 = coll_de.compare(strlit3, strlit3 + 6, strlit3 + 8, strlit3 + 14);
 103   VERIFY ( i3 == -1 );
 104
 105   size4 = strlen(strlit4) - 1;
 106   i4 = coll_de.compare(strlit4, strlit4 + size4, strlit4, strlit4 + 13);
 107   VERIFY ( i4 == 1 );
 108   i4 = coll_de.compare(strlit4, strlit4 + 13, strlit4, strlit4 + size4);
 109   VERIFY ( i4 == -1 );
 110   i4 = coll_de.compare(strlit4, strlit4 + size4, strlit4, strlit4 + size4);
 111   VERIFY ( i4 == 0 );
 112
 113   l3 = coll_de.hash(strlit3, strlit3 + size4);
 114   l4 = coll_de.hash(strlit3, strlit3 + size4 - 1);
 115   VERIFY ( l3 != l4 );
 116   l3 = coll_de.hash(strlit3, strlit3 + size4);
 117   l4 = coll_de.hash(strlit4, strlit4 + size4);
 118   VERIFY ( l3 != l4 );
 119
 120   string str5 = coll_de.transform(strlit3, strlit3 + size3);
 121   string str6 = coll_de.transform(strlit4, strlit4 + size4);
 122   i3 = str5.compare(str6);
 123   i4 = coll_de.compare(strlit3, strlit3 + size4, strlit4, strlit4 + size4);
 124   VERIFY ( i4 == -1 );
 125   VERIFY ( i3 * i4 > 0 );
 126
 127   // Verify byname == de
 128   VERIFY ( str5 == str3 );
 129   VERIFY ( str6 == str4 );
 130 }
 131
 132 int main()
 133 {
 134   test01();
 135   return 0;
 136 }