107 lines
3.8 KiB
C++
107 lines
3.8 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 public function subcontracting via virtual functions.
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#include "smoke.hpp"
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#include <boost/preprocessor/control/iif.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <sstream>
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int main() {
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std::ostringstream ok;
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a aa;
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c& ca = aa; // Test polymorphic virtual call (via reference to base c).
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s_type s; s.value = "A";
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out.str("");
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result_type& r = ca.f(s);
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ok.str(""); ok
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "d::static_inv" << std::endl
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<< "d::inv" << std::endl
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<< "e::static_inv" << std::endl
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<< "e::inv" << std::endl
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<< "c::static_inv" << std::endl
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<< "c::inv" << std::endl
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
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<< "d::f::pre" << std::endl
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<< "e::f::pre" << std::endl
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<< "c::f::pre" << std::endl
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<< "a::f::pre" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_OLDS
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<< "d::f::old" << std::endl
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<< "e::f::old" << std::endl
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<< "c::f::old" << std::endl
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<< "a::f::old" << std::endl
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#endif
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<< "a::f::body" << std::endl
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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<< "d::static_inv" << std::endl
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<< "d::inv" << std::endl
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<< "e::static_inv" << std::endl
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<< "e::inv" << std::endl
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<< "c::static_inv" << std::endl
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<< "c::inv" << std::endl
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "d::f::old" << std::endl
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<< "d::f::post" << std::endl
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<< "e::f::old" << std::endl
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<< "e::f::post" << std::endl
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<< "c::f::old" << std::endl
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<< "c::f::post" << std::endl
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// No old call here because not a base object.
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<< "a::f::post" << std::endl
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#endif
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;
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BOOST_TEST(out.eq(ok.str()));
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#ifndef BOOST_CONTRACT_NO_OLDS
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#define BOOST_CONTRACT_TEST_old 1u
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#else
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#define BOOST_CONTRACT_TEST_old 0u
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#endif
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BOOST_TEST_EQ(r.value, "A");
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BOOST_TEST_EQ(s.value, "acde");
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BOOST_TEST_EQ(s.copies(), BOOST_CONTRACT_TEST_old * 4);
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BOOST_TEST_EQ(s.evals(), BOOST_CONTRACT_TEST_old * 4);
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BOOST_TEST_EQ(s.ctors(), s.dtors() + 1); // 1 local var.
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// Cannot access x via ca, but only via aa.
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BOOST_TEST_EQ(aa.x.value, "aA");
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BOOST_TEST_EQ(aa.x.copies(), BOOST_CONTRACT_TEST_old);
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BOOST_TEST_EQ(aa.x.evals(), BOOST_CONTRACT_TEST_old);
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BOOST_TEST_EQ(aa.x.ctors(), aa.x.dtors() + 1); // 1 data member.
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BOOST_TEST_EQ(ca.y.value, "cA");
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BOOST_TEST_EQ(ca.y.copies(), BOOST_CONTRACT_TEST_old);
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BOOST_TEST_EQ(ca.y.evals(), BOOST_CONTRACT_TEST_old);
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BOOST_TEST_EQ(ca.y.ctors(), ca.y.dtors() + 1); // 1 data member.
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BOOST_TEST_EQ(ca.t<'d'>::z.value, "dA");
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BOOST_TEST_EQ(ca.t<'d'>::z.copies(), BOOST_CONTRACT_TEST_old);
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BOOST_TEST_EQ(ca.t<'d'>::z.evals(), BOOST_CONTRACT_TEST_old);
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BOOST_TEST_EQ(ca.t<'d'>::z.ctors(), ca.t<'d'>::z.dtors() + 1); // 1 member.
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BOOST_TEST_EQ(ca.t<'e'>::z.value, "eA");
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BOOST_TEST_EQ(ca.t<'e'>::z.copies(), BOOST_CONTRACT_TEST_old);
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BOOST_TEST_EQ(ca.t<'e'>::z.evals(), BOOST_CONTRACT_TEST_old);
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BOOST_TEST_EQ(ca.t<'e'>::z.ctors(), ca.t<'e'>::z.dtors() + 1); // 1 member.
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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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