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100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
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// Test public function subcontracting via virtual functions.
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#include "bases.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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#if BOOST_CONTRACT_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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#if BOOST_CONTRACT_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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#if BOOST_CONTRACT_POSTCONDITIONS
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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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#if BOOST_CONTRACT_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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#if BOOST_CONTRACT_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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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(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 4, 0));
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BOOST_TEST_EQ(s.evals(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 4, 0));
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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(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 1, 0));
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BOOST_TEST_EQ(aa.x.evals(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 1, 0));
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BOOST_TEST_EQ(ca.y.value, "cA");
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BOOST_TEST_EQ(ca.y.copies(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 1, 0));
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BOOST_TEST_EQ(ca.y.evals(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 1, 0));
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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(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 1, 0));
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BOOST_TEST_EQ(ca.t<'d'>::z.evals(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 1, 0));
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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(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 1, 0));
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BOOST_TEST_EQ(ca.t<'e'>::z.evals(),
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BOOST_PP_IIF(BOOST_CONTRACT_POSTCONDITIONS, 1, 0));
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return boost::report_errors();
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}
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