1
2// Copyright (C) 2008-2018 Lorenzo Caminiti
3// Distributed under the Boost Software License, Version 1.0 (see accompanying
4// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
5// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
6
7// Test specifying old and post, no pre or except (same if not free func).
8
9#include "../detail/oteststream.hpp"
10#include <boost/contract/function.hpp>
11#include <boost/contract/check.hpp>
12#include <boost/detail/lightweight_test.hpp>
13#include <sstream>
14
15boost::contract::test::detail::oteststream out;
16
17void f() {
18 boost::contract::check c = boost::contract::function()
19 .old(f: [] { out << "f::old" << std::endl; })
20 .postcondition(f: [] { out << "f::post" << std::endl; })
21 ;
22 out << "f::body" << std::endl;
23}
24
25int main() {
26 std::ostringstream ok;
27
28 out.str(s: "");
29 f();
30 ok.str(s: "");
31 ok
32 #ifndef BOOST_CONTRACT_NO_OLDS
33 << "f::old" << std::endl
34 #endif
35 << "f::body" << std::endl
36 #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
37 << "f::post" << std::endl
38 #endif
39 ;
40 BOOST_TEST(out.eq(ok.str()));
41
42 return boost::report_errors();
43}
44
45

source code of boost/libs/contract/test/specify/old_post.cpp