contract/test/public_function/max_args.hpp

210 lines
7.5 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 max argument number for public function (with and without result).
#include "../detail/oteststream.hpp"
#include <boost/contract/public_function.hpp>
#include <boost/contract/check.hpp>
#include <boost/contract/base_types.hpp>
#include <boost/contract/override.hpp>
#include <boost/preprocessor/repetition/repeat.hpp>
#include <boost/preprocessor/arithmetic/inc.hpp>
#include <boost/preprocessor/control/expr_iif.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/stringize.hpp>
#include <boost/config.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <sstream>
boost::contract::test::detail::oteststream out;
#if defined(BOOST_GCC)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter" // aN from macros.
#elif defined(BOOST_CLANG)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-parameter" // aN from macros.
#endif
#define BOOST_CONTRACT_TEST_MAX_ARGS_PARAM_COMMA_(z, n, unused) \
int BOOST_PP_CAT(a, n) ,
#define BOOST_CONTRACT_TEST_MAX_ARGS_COMMA_ARG_(z, n, unused) \
, BOOST_PP_CAT(a, n)
#define BOOST_CONTRACT_TEST_MAX_ARGS_N_(z, n, unused) \
n
struct b {
static void static_invariant() { out << "b::static_inv" << std::endl; }
void invariant() const { out << "b::inv" << std::endl; }
#define BOOST_CONTRACT_TEST_MAX_ARGS_B_F_(z, n, unused) \
virtual int BOOST_PP_CAT(f, n)( \
BOOST_PP_REPEAT_ ## z( \
n, BOOST_CONTRACT_TEST_MAX_ARGS_PARAM_COMMA_, ~) \
boost::contract::virtual_* v = 0 \
) { \
int result = 0; \
boost::contract::check c = boost::contract::public_function( \
v, result, this) \
.precondition([] { \
out << "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::pre" << std::endl; \
}) \
.old([] { \
out << "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::old" << std::endl; \
}) \
.postcondition([] (int result) { \
out << "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::post" << std::endl; \
}) \
; \
out << "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::body" << std::endl; \
return result; \
}
BOOST_PP_REPEAT(BOOST_PP_INC(BOOST_CONTRACT_MAX_ARGS),
BOOST_CONTRACT_TEST_MAX_ARGS_B_F_, ~)
};
struct a
#define BASES public b
: BASES
{
typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
#undef BASES
static void static_invariant() { out << "a::static_inv" << std::endl; }
void invariant() const { out << "a::inv" << std::endl; }
#define BOOST_CONTRACT_TEST_MAX_ARGS_A_F_(z, n, unused) \
int BOOST_PP_CAT(f, n)( \
BOOST_PP_REPEAT_ ## z( \
n, BOOST_CONTRACT_TEST_MAX_ARGS_PARAM_COMMA_, ~) \
boost::contract::virtual_* v = 0 \
) /* override */ { \
int result = 0; \
boost::contract::check c = boost::contract::public_function< \
BOOST_PP_CAT(override_, BOOST_PP_CAT(f, n)) \
>( \
v, result, &a::BOOST_PP_CAT(f, n), this \
BOOST_PP_REPEAT_ ## z( \
n, BOOST_CONTRACT_TEST_MAX_ARGS_COMMA_ARG_, ~) \
) \
.precondition([] { \
out << "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::pre" << std::endl; \
}) \
.old([] { \
out << "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::old" << std::endl; \
}) \
.postcondition([] (int result) { \
out << "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::post" << std::endl; \
}) \
; \
out << "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::body" << std::endl; \
return result; \
} \
BOOST_CONTRACT_OVERRIDE(BOOST_PP_CAT(f, n))
BOOST_PP_REPEAT(BOOST_PP_INC(BOOST_CONTRACT_MAX_ARGS),
BOOST_CONTRACT_TEST_MAX_ARGS_A_F_, ~)
};
#if defined(BOOST_GCC)
#pragma GCC diagnostic pop
#elif defined(BOOST_CLANG)
#pragma clang diagnostic pop
#endif
int main() {
std::ostringstream ok;
a aa;
#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
#define BOOST_CONTRACT_TEST_entry_inv 1
#else
#define BOOST_CONTRACT_TEST_entry_inv 0
#endif
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
#define BOOST_CONTRACT_TEST_pre 1
#else
#define BOOST_CONTRACT_TEST_pre 0
#endif
#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
#define BOOST_CONTRACT_TEST_exit_inv 1
#else
#define BOOST_CONTRACT_TEST_exit_inv 0
#endif
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
#define BOOST_CONTRACT_TEST_post 1
#else
#define BOOST_CONTRACT_TEST_post 0
#endif
#ifndef BOOST_CONTRACT_NO_OLDS
#define BOOST_CONTRACT_TEST_old 1
#else
#define BOOST_CONTRACT_TEST_old 0
#endif
#define BOOST_CONTRACT_TEST_MAX_ARGS_TEST_(z, n, unused) \
out.str(""); \
aa.BOOST_PP_CAT(f, n)(BOOST_PP_ENUM_ ## z( \
n, BOOST_CONTRACT_TEST_MAX_ARGS_N_, ~)); \
ok.str(""); ok \
BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_entry_inv, \
<< "b::static_inv\n" \
<< "b::inv\n"\
<< "a::static_inv\n" \
<< "a::inv\n" \
) \
BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_pre, \
<< "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::pre\n" \
) \
BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_old, \
<< "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::old\n" \
<< "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::old\n" \
) \
<< "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << "::body\n" \
BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_exit_inv, \
<< "b::static_inv\n" \
<< "b::inv\n"\
<< "a::static_inv\n" \
<< "a::inv\n" \
) \
BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_post, \
<< "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::old\n" \
<< "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::post\n" \
<< "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
"::post\n" \
) \
; \
BOOST_TEST(out.eq(ok.str()));
BOOST_PP_REPEAT(BOOST_PP_INC(BOOST_CONTRACT_MAX_ARGS),
BOOST_CONTRACT_TEST_MAX_ARGS_TEST_, ~)
#undef BOOST_CONTRACT_TEST_entry_inv
#undef BOOST_CONTRACT_TEST_pre
#undef BOOST_CONTRACT_TEST_exit_inv
#undef BOOST_CONTRACT_TEST_post
#undef BOOST_CONTRACT_TEST_old
return boost::report_errors();
}