Retro68/gcc/libstdc++-v3/testsuite/22_locale/facet/2.cc
2014-09-21 19:33:12 +02:00

96 lines
2.4 KiB
C++

// { dg-require-namedlocale "es_MX" }
// 2000-08-31 Benjamin Kosnik <bkoz@redhat.com>
// Copyright (C) 2000-2014 Free Software Foundation, Inc.
//
// 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 22.1.1.1.2 - class locale::facet [lib.locale.facet]
#include <cwchar> // for mbstate_t
#include <locale>
#include <stdexcept>
#include <string>
#include <iterator>
#include <limits>
#include <testsuite_hooks.h>
// Static counter for use in checking ctors/dtors.
static std::size_t counter;
class surf : public std::locale::facet
{
public:
static std::locale::id id;
surf(size_t refs = 0): std::locale::facet(refs) { ++counter; }
~surf() { --counter; }
};
std::locale::id surf::id;
typedef surf facet_type;
void test02()
{
using namespace std;
bool test __attribute__((unused)) = true;
// 1: Destroyed when out of scope.
VERIFY( counter == 0 );
{
locale loc01(locale::classic(), new facet_type);
VERIFY( counter == 1 );
}
VERIFY( counter == 0 );
// 2: Not destroyed when out of scope, deliberately leaked.
VERIFY( counter == 0 );
{
// Default refs argument is zero.
locale loc02(locale::classic(), new facet_type(1));
VERIFY( counter == 1 );
}
VERIFY( counter == 1 );
// 3: Pathological.
counter = 0;
{
// Test bounds.
facet_type* f = new facet_type(numeric_limits<size_t>::max());
VERIFY( counter == 1 );
// Add a reference.
locale loc01(locale::classic(), f);
{
// Add another reference...
locale loc02(locale::classic(), f);
}
VERIFY( counter == 1 );
}
// 4: Named locale should destroy facets when it goes out of scope.
// Not quite sure how to test for this w/o valgrind at the moment.
{
locale loc03 = locale("es_MX");
}
}
int main ()
{
test02();
return 0;
}