contract/test/public_function/max_bases.cpp
2017-12-10 16:31:15 -08:00

60 lines
1.8 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 with max possible number of bases.
#include <boost/contract/public_function.hpp>
#include <boost/contract/base_types.hpp>
#include <boost/contract/check.hpp>
#include <boost/contract/override.hpp>
#include <boost/preprocessor/repetition/repeat.hpp>
#include <boost/preprocessor/repetition/enum.hpp>
#include <boost/preprocessor/cat.hpp>
// Limited by max size of current impl of Boost.MPL vector.
#ifndef BOOST_CONTRACT_TEST_CONFIG_MAX_BASES
#define BOOST_CONTRACT_TEST_CONFIG_MAX_BASES 20
#endif
#define BOOST_CONTRACT_TEST_base_decl(z, n, unused) \
struct BOOST_PP_CAT(b, n) { \
virtual void f(boost::contract::virtual_* v = 0) { \
boost::contract::check c = boost::contract::public_function( \
v, this); \
} \
};
BOOST_PP_REPEAT(BOOST_CONTRACT_TEST_CONFIG_MAX_BASES,
BOOST_CONTRACT_TEST_base_decl, ~)
#define BOOST_CONTRACT_TEST_public_base(z, n, unused) public BOOST_PP_CAT(b, n)
struct a
#define BASES \
BOOST_PP_ENUM(BOOST_CONTRACT_TEST_CONFIG_MAX_BASES, \
BOOST_CONTRACT_TEST_public_base, ~)
: BASES
{
typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
#undef BASES
void f(boost::contract::virtual_* v = 0) /* override */ {
boost::contract::check c = boost::contract::public_function<override_f>(
v, &a::f, this);
}
BOOST_CONTRACT_OVERRIDE(f)
};
int main() {
a aa;
aa.f();
return 0;
}
#undef BOOST_CONTRACT_TEST_base_decl
#undef BOOST_CONTRACT_TEST_public_base