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