libstdc++-v3/testsuite/22_locale/locale/cons/6.cc

   1 // 2001-01-19 Benjamin Kosnik <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 22.1.1 - Class locale [lib.locale]
  22
  23 #include <locale>
  24 #include <string>
  25 #include <testsuite_hooks.h>
  26
  27 // creating unnamed locales 1 using new + combine
  28 void
  29 test01()
  30 {
  31   using namespace std;
  32   bool test = true;
  33   const string name_c("C");
  34   const string str_unnamed("*");
  35   string str;
  36
  37   // construct a locale object with the specialized facet.
  38   locale                loc_c = locale::classic();
  39   locale                loc_1(locale::classic(), new numpunct<char>);
  40
  41   // check names
  42   VERIFY( loc_c.name() == name_c );
  43   VERIFY( loc_1.name() == str_unnamed );
  44
  45   // sanity check the constructed locale has the specialized facet.
  46   VERIFY( has_facet<numpunct<char> >(loc_1) );
  47   VERIFY( has_facet<numpunct<char> >(loc_c) );
  48
  49   // extract facet
  50   const numpunct<char>& f_nump_1 = use_facet<numpunct<char> >(loc_1);
  51   const numpunct<char>& f_nump_c = use_facet<numpunct<char> >(loc_c);
  52
  53   // attempt to re-synthesize classic locale
  54   locale                loc_2 = loc_1.combine<numpunct<char> >(loc_c);
  55   VERIFY( loc_2.name() == str_unnamed );
  56   VERIFY( loc_2 != loc_c );
  57 }
  58
  59 int main()
  60 {
  61   test01();
  62   return 0;
  63 }