contract/test/specify/auto_pre_old_post_error.cpp
2019-01-14 07:29:25 -08:00

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// 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 auto error after post (for free func, but same for all contracts).
#include <boost/config.hpp>
// Not just __cplusplus to detect C++17 as MSVC defines it correctly sometimes.
#if (defined(__cplusplus) && __cplusplus >= 201703L) || \
!defined(BOOST_NO_CXX17_IF_CONSTEXPR)
#error "C++17 copy elision invalidates test so forcing expected failure"
#else
#include <boost/contract/function.hpp>
int main() {
auto c = boost::contract::function() // Error (can't use auto).
.precondition([] {})
.old([] {})
.postcondition([] {})
;
return 0;
}
#endif