210 lines
7.5 KiB
C++
210 lines
7.5 KiB
C++
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// Copyright (C) 2008-2018 Lorenzo Caminiti
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// Distributed under the Boost Software License, Version 1.0 (see accompanying
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// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
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// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
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// Test max argument number for public function (with and without result).
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#include "../detail/oteststream.hpp"
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#include <boost/contract/public_function.hpp>
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#include <boost/contract/check.hpp>
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#include <boost/contract/base_types.hpp>
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#include <boost/contract/override.hpp>
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#include <boost/preprocessor/repetition/repeat.hpp>
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#include <boost/preprocessor/arithmetic/inc.hpp>
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#include <boost/preprocessor/control/expr_iif.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/stringize.hpp>
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#include <boost/config.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <sstream>
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boost::contract::test::detail::oteststream out;
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#if defined(BOOST_GCC)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-parameter" // aN from macros.
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#elif defined(BOOST_CLANG)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunused-parameter" // aN from macros.
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#endif
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#define BOOST_CONTRACT_TEST_MAX_ARGS_PARAM_COMMA_(z, n, unused) \
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int BOOST_PP_CAT(a, n) ,
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#define BOOST_CONTRACT_TEST_MAX_ARGS_COMMA_ARG_(z, n, unused) \
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, BOOST_PP_CAT(a, n)
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#define BOOST_CONTRACT_TEST_MAX_ARGS_N_(z, n, unused) \
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n
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struct b {
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static void static_invariant() { out << "b::static_inv" << std::endl; }
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void invariant() const { out << "b::inv" << std::endl; }
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#define BOOST_CONTRACT_TEST_MAX_ARGS_B_F_(z, n, unused) \
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virtual int BOOST_PP_CAT(f, n)( \
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BOOST_PP_REPEAT_ ## z( \
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n, BOOST_CONTRACT_TEST_MAX_ARGS_PARAM_COMMA_, ~) \
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boost::contract::virtual_* v = 0 \
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) { \
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int result = 0; \
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boost::contract::check c = boost::contract::public_function( \
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v, result, this) \
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.precondition([] { \
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out << "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::pre" << std::endl; \
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}) \
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.old([] { \
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out << "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::old" << std::endl; \
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}) \
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.postcondition([] (int result) { \
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out << "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::post" << std::endl; \
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}) \
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; \
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out << "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::body" << std::endl; \
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return result; \
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}
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BOOST_PP_REPEAT(BOOST_PP_INC(BOOST_CONTRACT_MAX_ARGS),
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BOOST_CONTRACT_TEST_MAX_ARGS_B_F_, ~)
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};
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struct a
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#define BASES public b
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: BASES
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{
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typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
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#undef BASES
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static void static_invariant() { out << "a::static_inv" << std::endl; }
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void invariant() const { out << "a::inv" << std::endl; }
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#define BOOST_CONTRACT_TEST_MAX_ARGS_A_F_(z, n, unused) \
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int BOOST_PP_CAT(f, n)( \
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BOOST_PP_REPEAT_ ## z( \
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n, BOOST_CONTRACT_TEST_MAX_ARGS_PARAM_COMMA_, ~) \
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boost::contract::virtual_* v = 0 \
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) /* override */ { \
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int result = 0; \
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boost::contract::check c = boost::contract::public_function< \
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BOOST_PP_CAT(override_, BOOST_PP_CAT(f, n)) \
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>( \
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v, result, &a::BOOST_PP_CAT(f, n), this \
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BOOST_PP_REPEAT_ ## z( \
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n, BOOST_CONTRACT_TEST_MAX_ARGS_COMMA_ARG_, ~) \
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) \
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.precondition([] { \
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out << "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::pre" << std::endl; \
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}) \
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.old([] { \
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out << "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::old" << std::endl; \
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}) \
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.postcondition([] (int result) { \
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out << "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::post" << std::endl; \
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}) \
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; \
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out << "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::body" << std::endl; \
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return result; \
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} \
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BOOST_CONTRACT_OVERRIDE(BOOST_PP_CAT(f, n))
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BOOST_PP_REPEAT(BOOST_PP_INC(BOOST_CONTRACT_MAX_ARGS),
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BOOST_CONTRACT_TEST_MAX_ARGS_A_F_, ~)
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};
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#if defined(BOOST_GCC)
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#pragma GCC diagnostic pop
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#elif defined(BOOST_CLANG)
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#pragma clang diagnostic pop
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#endif
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int main() {
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std::ostringstream ok;
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a aa;
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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#define BOOST_CONTRACT_TEST_entry_inv 1
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#else
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#define BOOST_CONTRACT_TEST_entry_inv 0
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#endif
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#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
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#define BOOST_CONTRACT_TEST_pre 1
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#else
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#define BOOST_CONTRACT_TEST_pre 0
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#endif
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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#define BOOST_CONTRACT_TEST_exit_inv 1
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#else
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#define BOOST_CONTRACT_TEST_exit_inv 0
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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#define BOOST_CONTRACT_TEST_post 1
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#else
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#define BOOST_CONTRACT_TEST_post 0
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#endif
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#ifndef BOOST_CONTRACT_NO_OLDS
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#define BOOST_CONTRACT_TEST_old 1
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#else
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#define BOOST_CONTRACT_TEST_old 0
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#endif
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#define BOOST_CONTRACT_TEST_MAX_ARGS_TEST_(z, n, unused) \
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out.str(""); \
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aa.BOOST_PP_CAT(f, n)(BOOST_PP_ENUM_ ## z( \
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n, BOOST_CONTRACT_TEST_MAX_ARGS_N_, ~)); \
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ok.str(""); ok \
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BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_entry_inv, \
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<< "b::static_inv\n" \
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<< "b::inv\n"\
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<< "a::static_inv\n" \
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<< "a::inv\n" \
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) \
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BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_pre, \
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<< "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::pre\n" \
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) \
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BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_old, \
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<< "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::old\n" \
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<< "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::old\n" \
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) \
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<< "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << "::body\n" \
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BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_exit_inv, \
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<< "b::static_inv\n" \
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<< "b::inv\n"\
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<< "a::static_inv\n" \
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<< "a::inv\n" \
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) \
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BOOST_PP_EXPR_IIF(BOOST_CONTRACT_TEST_post, \
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<< "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::old\n" \
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<< "b::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::post\n" \
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<< "a::" << BOOST_PP_STRINGIZE(BOOST_PP_CAT(f, n)) << \
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"::post\n" \
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) \
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; \
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BOOST_TEST(out.eq(ok.str()));
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BOOST_PP_REPEAT(BOOST_PP_INC(BOOST_CONTRACT_MAX_ARGS),
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BOOST_CONTRACT_TEST_MAX_ARGS_TEST_, ~)
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#undef BOOST_CONTRACT_TEST_entry_inv
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#undef BOOST_CONTRACT_TEST_pre
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#undef BOOST_CONTRACT_TEST_exit_inv
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#undef BOOST_CONTRACT_TEST_post
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#undef BOOST_CONTRACT_TEST_old
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return boost::report_errors();
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}
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