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//
// owner_less_test.cpp
//
// A regression test for owner_less
//
// Copyright (c) 2008 Frank Mori Hess
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include <boost/core/lightweight_test.hpp>
#include <boost/smart_ptr/owner_less.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
int main()
{
boost::owner_less<boost::shared_ptr<int> > comp;
{
boost::shared_ptr<int> x;
boost::shared_ptr<int> y;
boost::weak_ptr<int> w;
BOOST_TEST(!(comp(x, w) || comp(w, x)));
}
{
boost::shared_ptr<int> z((int*)0);
boost::weak_ptr<int> w;
BOOST_TEST(comp(z, w) || comp(w, z));
{
boost::shared_ptr<int> zz(z);
w = boost::weak_ptr<int>(zz);
BOOST_TEST(!(comp(z, zz) || comp(z, zz)));
BOOST_TEST(!(comp(z, w) || comp(z, w)));
}
BOOST_TEST(!(comp(z, w) || comp(w, z)));
}
{
boost::shared_ptr<int> x;
boost::shared_ptr<int> z((int*)0);
BOOST_TEST(comp(x, z) || comp(z, x));
}
{
boost::shared_ptr<int> a((int*)0);
boost::shared_ptr<int> b((int*)0);
BOOST_TEST(comp(a, b) || comp(b, a));
boost::weak_ptr<int> w(a);
BOOST_TEST(!(comp(a, w) || comp(w, a)));
BOOST_TEST(comp(b, w) || comp(w, b));
}
boost::owner_less<boost::weak_ptr<int> > weak_comp;
{
boost::shared_ptr<int> a((int*)0);
boost::weak_ptr<int> wa(a);
boost::shared_ptr<int> b((int*)0);
boost::weak_ptr<int> wb(b);
BOOST_TEST(!(weak_comp(a, wa) || weak_comp(wa, a)));
BOOST_TEST(!(weak_comp(b, wb) || weak_comp(wb, b)));
BOOST_TEST(weak_comp(wa, wb) || weak_comp(wb, wa));
BOOST_TEST(weak_comp(wa, b) || weak_comp(b, wa));
}
return boost::report_errors();
}
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