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// Copyright 2024 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/compat/bind_back.hpp>
#include <boost/core/lightweight_test.hpp>
#include <functional>
struct X
{
int m = -1;
};
struct Y: public virtual X
{
};
int main()
{
{
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, X() )(), -1 );
}
{
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, Y() )(), -1 );
}
{
X x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, x )(), -1 );
}
{
X x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, &x )(), -1 );
boost::compat::bind_back( &X::m, &x )() = +1;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, &x )(), +1 );
}
{
X x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, std::ref(x) )(), -1 );
boost::compat::bind_back( &X::m, std::ref(x) )() = +1;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, std::ref(x) )(), +1 );
}
{
X x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, std::cref(x) )(), -1 );
}
{
Y y;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, y )(), -1 );
}
{
Y y;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, &y )(), -1 );
boost::compat::bind_back( &X::m, &y )() = +1;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, &y )(), +1 );
}
{
Y y;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, std::ref(y) )(), -1 );
boost::compat::bind_back( &X::m, std::ref(y) )() = +1;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, std::ref(y) )(), +1 );
}
{
Y y;
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, std::cref(y) )(), -1 );
}
{
X const x = {};
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, x )(), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, &x )(), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, std::ref(x) )(), -1 );
}
{
Y const y = {};
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, y )(), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, &y )(), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::m, std::ref(y) )(), -1 );
}
return boost::report_errors();
}
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