// Copyright (C) 2013-2016 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
// .
//
// { dg-require-debug-mode "" }
#include
#include
void test01()
{
using namespace __gnu_debug;
std::vector v1(3, 1);
VERIFY( __check_dereferenceable(v1.begin()) );
std::vector::iterator it = v1.begin();
VERIFY( __check_dereferenceable(it) );
VERIFY( !__check_dereferenceable(v1.end()) );
it = v1.end();
VERIFY( !__check_dereferenceable(it) );
const volatile int* pi = 0;
VERIFY( !__check_dereferenceable(pi) );
int i;
pi = &i;
VERIFY( __check_dereferenceable(pi) );
}
void test02()
{
using namespace __gnu_debug;
std::vector v1(3, 1);
VERIFY( !__check_singular(v1.begin()) );
std::vector::iterator it = v1.begin();
VERIFY( !__check_singular(it) );
VERIFY( !__check_singular(v1.end()) );
it = v1.end();
VERIFY( !__check_singular(it) );
v1.clear();
VERIFY( it._M_singular() );
VERIFY( __check_singular(it) );
it = v1.end();
VERIFY( !it._M_singular() );
VERIFY( !__check_singular(it) );
}
int main()
{
test01();
test02();
return 0;
}