contract/test/old/auto.cpp
2017-12-10 16:31:15 -08:00

39 lines
1.2 KiB
C++

// Copyright (C) 2008-2018 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0 (see accompanying
// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
// Test that OLD macro allows to use C++11 auto declarations.
#include <boost/config.hpp>
#include <boost/contract/old.hpp>
#include <boost/type_traits.hpp>
#include <boost/static_assert.hpp>
#include <boost/detail/lightweight_test.hpp>
int main() {
int x = -123;
auto old_x = BOOST_CONTRACT_OLDOF(x);
x = 123;
BOOST_STATIC_ASSERT((boost::is_same<decltype(old_x),
boost::contract::old_ptr<int> >::value));
#ifndef BOOST_CONTRACT_NO_OLDS
BOOST_TEST_EQ(*old_x, -123);
#endif
BOOST_TEST_EQ(x, 123);
boost::contract::virtual_* v = 0;
char y = 'j';
auto old_y = BOOST_CONTRACT_OLDOF(v, y);
y = 'k';
BOOST_STATIC_ASSERT((boost::is_same<decltype(old_y),
boost::contract::old_ptr<char> >::value));
#ifndef BOOST_CONTRACT_NO_OLDS
BOOST_TEST_EQ(*old_y, 'j');
#endif
BOOST_TEST_EQ(y, 'k');
return boost::report_errors();
}