old-autovect-branch/libstdc++-v3/testsuite/22_locale/locale/operations/2.cc

   1 // 2000-09-11 Benjamin Kosnik <bkoz@redhat.com>
   2
   3 // Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // 22.1.1.4 locale operators [lib.locale.operators]
  22
  23 #include <cwchar> // for mbstate_t
  24 #include <locale>
  25 #include <testsuite_hooks.h>
  26
  27 // bool operator()(const string_type&, const string_type&) const
  28 long gnu_count;
  29
  30 class gnu_collate: public std::collate<char>
  31 {
  32 protected:
  33   virtual int
  34   do_compare(const char*, const char*, const char*, const char*) const
  35   { ++gnu_count; return 0; }
  36 };
  37
  38 void test02()
  39 {
  40   using namespace std;
  41   bool test __attribute__((unused)) = true;
  42
  43   // Sanity check.
  44   locale loc_c = locale::classic();
  45   string s01("land of ");
  46   string s02("land of look behind");
  47   VERIFY( !loc_c(s01, s01) );
  48   VERIFY( loc_c(s01, s02) );
  49
  50   // Derivation, MF check.
  51   locale loc_gnu(loc_c, new gnu_collate);
  52   gnu_count = 0;
  53   loc_gnu(s01, s02);
  54   VERIFY( gnu_count == 1 );
  55 }
  56
  57 int main ()
  58 {
  59   test02();
  60   return 0;
  61 }
  62
  63
  64