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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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