gcc/libstdc++-v3/testsuite/22_locale/global_templates.cc

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// 2000-09-11 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2000 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 22.1.2 locale globals [lib.locale.global.templates]
#include <locale>
#include <debug_assert.h>
typedef std::codecvt<char, char, mbstate_t> ccodecvt;
class gnu_codecvt: public ccodecvt { };
void test01()
{
using namespace std;
bool test = true;
// construct a locale object with the C facet
const locale& cloc = locale::classic();
// sanity check the constructed locale has the normal facet
VERIFY( has_facet<ccodecvt>(cloc) );
// construct a locale object with the specialized facet.
locale loc(locale::classic(), new gnu_codecvt);
// sanity check the constructed locale has the specialized facet.
VERIFY( has_facet<gnu_codecvt>(loc) );
const ccodecvt& cvt01 = use_facet<ccodecvt>(cloc);
const gnu_codecvt& cvt02 = use_facet<gnu_codecvt>(loc);
// VERIFY( cvt01.id != cvt02.id ); // XXX no way to do this, really :(
}
int main ()
{
test01();
return 0;
}