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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 virtual public member function body throws with subcontracting.
#include "smoke.hpp"
#include <boost/optional.hpp>
#include <boost/preprocessor/control/iif.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <sstream>
int main() {
std::ostringstream ok;
a aa; // Test call to derived out-most leaf.
c& ca = aa; // Test polymorphic virtual call (via reference to base c).
s_type s; s.value = "X"; // So body will throw.
out.str("");
boost::optional<result_type&> r;
try {
r = ca.f(s);
BOOST_TEST(false);
} catch(except_error const&) {
ok.str(""); ok
#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
<< "d::static_inv" << std::endl
<< "d::inv" << std::endl
<< "e::static_inv" << std::endl
<< "e::inv" << std::endl
<< "c::static_inv" << std::endl
<< "c::inv" << std::endl
<< "a::static_inv" << std::endl
<< "a::inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "d::f::pre" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_OLDS
<< "d::f::old" << std::endl
<< "e::f::old" << std::endl
<< "c::f::old" << std::endl
<< "a::f::old" << std::endl
#endif
<< "a::f::body" << std::endl
#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
<< "d::static_inv" << std::endl
<< "d::inv" << std::endl
<< "e::static_inv" << std::endl
<< "e::inv" << std::endl
<< "c::static_inv" << std::endl
<< "c::inv" << std::endl
<< "a::static_inv" << std::endl
<< "a::inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_EXCEPTS
<< "d::f::old" << std::endl
<< "d::f::except" << std::endl
<< "e::f::old" << std::endl
<< "e::f::except" << std::endl
<< "c::f::old" << std::endl
<< "c::f::except" << std::endl
// No old call here because not a base object.
<< "a::f::except" << std::endl
#endif
;
BOOST_TEST(out.eq(ok.str()));
#ifndef BOOST_CONTRACT_NO_OLDS
#define BOOST_CONTRACT_TEST_old 1u
#else
#define BOOST_CONTRACT_TEST_old 0u
#endif
BOOST_TEST(!r); // Boost.Optional result not init (as body threw).
BOOST_TEST_EQ(s.value, "X");
BOOST_TEST_EQ(s.copies(), BOOST_CONTRACT_TEST_old * 4);
BOOST_TEST_EQ(s.evals(), BOOST_CONTRACT_TEST_old * 4);
BOOST_TEST_EQ(s.ctors(), s.dtors() + 1); // 1 for local var.
// Cannot access x via ca, but only via aa.
BOOST_TEST_EQ(aa.x.value, "a");
BOOST_TEST_EQ(aa.x.copies(), BOOST_CONTRACT_TEST_old);
BOOST_TEST_EQ(aa.x.evals(), BOOST_CONTRACT_TEST_old);
BOOST_TEST_EQ(aa.x.ctors(), aa.x.dtors() + 1); // 1 for member var.
BOOST_TEST_EQ(ca.y.value, "c");
BOOST_TEST_EQ(ca.y.copies(), BOOST_CONTRACT_TEST_old);
BOOST_TEST_EQ(ca.y.evals(), BOOST_CONTRACT_TEST_old);
BOOST_TEST_EQ(ca.y.ctors(), aa.y.dtors() + 1); // 1 for member var.
BOOST_TEST_EQ(ca.t<'d'>::z.value, "d");
BOOST_TEST_EQ(ca.t<'d'>::z.copies(), BOOST_CONTRACT_TEST_old);
BOOST_TEST_EQ(ca.t<'d'>::z.evals(), BOOST_CONTRACT_TEST_old);
BOOST_TEST_EQ(ca.t<'d'>::z.ctors(), aa.t<'d'>::z.dtors() + 1); // 1 mem.
BOOST_TEST_EQ(ca.t<'e'>::z.value, "e");
BOOST_TEST_EQ(ca.t<'e'>::z.copies(), BOOST_CONTRACT_TEST_old);
BOOST_TEST_EQ(ca.t<'e'>::z.evals(), BOOST_CONTRACT_TEST_old);
BOOST_TEST_EQ(ca.t<'e'>::z.ctors(), aa.t<'e'>::z.dtors() + 1); // 1 mem.
#undef BOOST_CONTRACT_TEST_old
}
return boost::report_errors();
}
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