contract/test/specify/pre_old.cpp
2017-12-10 16:31:15 -08:00

45 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 specifying pre and old, no post or except (same if not free func).
#include "../detail/oteststream.hpp"
#include <boost/contract/function.hpp>
#include <boost/contract/check.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <sstream>
boost::contract::test::detail::oteststream out;
void f() {
boost::contract::check c = boost::contract::function()
.precondition([] { out << "f::pre" << std::endl; })
.old([] { out << "f::old" << std::endl; })
;
out << "f::body" << std::endl;
}
int main() {
std::ostringstream ok;
out.str("");
f();
ok.str("");
ok
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "f::pre" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_OLDS
<< "f::old" << std::endl
#endif
<< "f::body" << std::endl
;
BOOST_TEST(out.eq(ok.str()));
return boost::report_errors();
}