contract/test/constructor/access.cpp
2017-12-10 16:31:15 -08:00

137 lines
4.1 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 making all contract extra declarations (base types, inv, etc.) private.
#include "../detail/oteststream.hpp"
#include <boost/contract/constructor.hpp>
#include <boost/contract/base_types.hpp>
#include <boost/contract/check.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <sstream>
boost::contract::test::detail::oteststream out;
class b
#define BASES private boost::contract::constructor_precondition<b>
: BASES
{
friend class boost::contract::access;
typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
#undef BASES
static void static_invariant() { out << "b::static_inv" << std::endl; }
void invariant() const { out << "b::inv" << std::endl; }
public:
b() : boost::contract::constructor_precondition<b>([] {
out << "b::ctor::pre" << std::endl;
}) {
boost::contract::check c = boost::contract::constructor(this)
.old([] { out << "b::ctor::old" << std::endl; })
.postcondition([] { out << "b::ctor::post" << std::endl; })
;
out << "b::ctor::body" << std::endl;
}
};
class a
#define BASES private boost::contract::constructor_precondition<a>, public b
: BASES
{
friend class boost::contract::access;
// Private base types (always OK because never used by ctors).
typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
#undef BASES
// Private invariants.
static void static_invariant() { out << "a::static_inv" << std::endl; }
void invariant() const { out << "a::inv" << std::endl; }
public:
a() : boost::contract::constructor_precondition<a>([] {
out << "a::ctor::pre" << std::endl;
}) {
boost::contract::check c = boost::contract::constructor(this)
.old([] { out << "a::ctor::old" << std::endl; })
.postcondition([] { out << "a::ctor::post" << std::endl; })
;
out << "a::ctor::body" << std::endl;
}
};
int main() {
std::ostringstream ok;
out.str("");
a aa;
ok.str(""); ok
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "a::ctor::pre" << std::endl
<< "b::ctor::pre" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
<< "b::static_inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_OLDS
<< "b::ctor::old" << std::endl
#endif
<< "b::ctor::body" << std::endl
#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
<< "b::static_inv" << std::endl
<< "b::inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
<< "b::ctor::post" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
<< "a::static_inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_OLDS
<< "a::ctor::old" << std::endl
#endif
<< "a::ctor::body" << std::endl
#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
<< "a::static_inv" << std::endl
<< "a::inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
<< "a::ctor::post" << std::endl
#endif
;
BOOST_TEST(out.eq(ok.str()));
out.str("");
b bb;
ok.str(""); ok
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "b::ctor::pre" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
<< "b::static_inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_OLDS
<< "b::ctor::old" << std::endl
#endif
<< "b::ctor::body" << std::endl
#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
<< "b::static_inv" << std::endl
<< "b::inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
<< "b::ctor::post" << std::endl
#endif
;
BOOST_TEST(out.eq(ok.str()));
return boost::report_errors();
}