158 lines
3.7 KiB
C++
158 lines
3.7 KiB
C++
// Copyright 2020 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/describe/bases.hpp>
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#include <boost/describe/class.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#if defined(_MSC_VER) && _MSC_VER < 1900
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# pragma warning(disable: 4510) // default constructor could not be generated
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# pragma warning(disable: 4610) // struct can never be instantiated
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#endif
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struct X
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{
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};
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BOOST_DESCRIBE_STRUCT(X, (), ())
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struct X1
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{
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};
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struct X2
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{
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};
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struct X3
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{
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};
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struct V1
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{
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V1(int);
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};
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struct V2
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{
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V2(int);
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};
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struct V3
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{
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V3(int);
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};
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struct Y: public X1, protected X2, private X3, public virtual V1, protected virtual V2, private virtual V3
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{
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};
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BOOST_DESCRIBE_STRUCT(Y, (X1, X2, X3, V1, V2, V3), ())
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#if !defined(BOOST_DESCRIBE_CXX14)
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#include <boost/config/pragma_message.hpp>
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BOOST_PRAGMA_MESSAGE("Skipping test because C++14 is not available")
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int main() {}
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#else
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#include <boost/mp11.hpp>
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int main()
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{
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using namespace boost::describe;
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using namespace boost::mp11;
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{
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using L = describe_bases<X, mod_any_access>;
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BOOST_TEST_EQ( mp_size<L>::value, 0 );
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}
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{
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using L = describe_bases<X, mod_public>;
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BOOST_TEST_EQ( mp_size<L>::value, 0 );
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}
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{
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using L = describe_bases<X, mod_protected>;
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BOOST_TEST_EQ( mp_size<L>::value, 0 );
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}
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{
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using L = describe_bases<X, mod_private>;
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BOOST_TEST_EQ( mp_size<L>::value, 0 );
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}
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{
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using L = describe_bases<Y, mod_any_access>;
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BOOST_TEST_EQ( mp_size<L>::value, 6 );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 0>::type, X1 );
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BOOST_TEST_EQ( (mp_at_c<L, 0>::modifiers), mod_public );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 1>::type, X2 );
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BOOST_TEST_EQ( (mp_at_c<L, 1>::modifiers), mod_protected );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 2>::type, X3 );
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BOOST_TEST_EQ( (mp_at_c<L, 2>::modifiers), mod_private );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 3>::type, V1 );
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BOOST_TEST_EQ( (mp_at_c<L, 3>::modifiers), mod_public | mod_virtual );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 4>::type, V2 );
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BOOST_TEST_EQ( (mp_at_c<L, 4>::modifiers), mod_protected | mod_virtual );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 5>::type, V3 );
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BOOST_TEST_EQ( (mp_at_c<L, 5>::modifiers), mod_private | mod_virtual );
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}
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{
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using L = describe_bases<Y, mod_public>;
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BOOST_TEST_EQ( mp_size<L>::value, 2 );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 0>::type, X1 );
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BOOST_TEST_EQ( (mp_at_c<L, 0>::modifiers), mod_public );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 1>::type, V1 );
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BOOST_TEST_EQ( (mp_at_c<L, 1>::modifiers), mod_public | mod_virtual );
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}
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{
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using L = describe_bases<Y, mod_protected>;
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BOOST_TEST_EQ( mp_size<L>::value, 2 );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 0>::type, X2 );
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BOOST_TEST_EQ( (mp_at_c<L, 0>::modifiers), mod_protected );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 1>::type, V2 );
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BOOST_TEST_EQ( (mp_at_c<L, 1>::modifiers), mod_protected | mod_virtual );
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}
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{
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using L = describe_bases<Y, mod_private>;
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BOOST_TEST_EQ( mp_size<L>::value, 2 );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 0>::type, X3 );
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BOOST_TEST_EQ( (mp_at_c<L, 0>::modifiers), mod_private );
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BOOST_TEST_TRAIT_SAME( typename mp_at_c<L, 1>::type, V3 );
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BOOST_TEST_EQ( (mp_at_c<L, 1>::modifiers), mod_private | mod_virtual );
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}
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return boost::report_errors();
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}
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#endif // !defined(BOOST_DESCRIBE_CXX14)
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