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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 with preconditions.
- #undef BOOST_CONTRACT_TEST_NO_F_PRE
- #include "decl.hpp"
- #include <boost/detail/lightweight_test.hpp>
- #include <sstream>
- #include <string>
- std::string ok_f(bool failed = false) {
- std::ostringstream ok; ok << "" // Suppress a warning.
- #ifndef BOOST_CONTRACT_NO_PRECONDITIONS
- << "f::pre" << std::endl // Test no failure here.
- #endif
- ;
- if(!failed) ok
- #ifndef BOOST_CONTRACT_NO_OLDS
- << "f::old" << std::endl
- #endif
- << "f::body" << std::endl
- #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
- << "f::post" << std::endl
- #endif
- ;
- return ok.str();
- }
- struct err {}; // Global decl so visible in MSVC10 lambdas.
- int main() {
- std::ostringstream ok;
- f_pre = true;
- out.str("");
- f();
- ok.str(""); ok
- << ok_f()
- ;
- BOOST_TEST(out.eq(ok.str()));
- #ifdef BOOST_CONTRACT_NO_PRECONDITIONS
- #define BOOST_CONTRACT_TEST_pre 0
- #else
- #define BOOST_CONTRACT_TEST_pre 1
- #endif
- boost::contract::set_precondition_failure(
- [] (boost::contract::from) { throw err(); });
- f_pre = false;
- out.str("");
- try {
- f();
- #ifndef BOOST_CONTRACT_NO_PRECONDITIONS
- BOOST_TEST(false);
- } catch(err const&) {
- #endif
- ok.str(""); ok
- << ok_f(BOOST_CONTRACT_TEST_pre)
- ;
- BOOST_TEST(out.eq(ok.str()));
- } catch(...) { BOOST_TEST(false); }
- #undef BOOST_CONTRACT_TEST_pre
- return boost::report_errors();
- }
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