mirror of
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79 lines
1.4 KiB
C++
79 lines
1.4 KiB
C++
// Copyright 2022 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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#if defined(__clang__)
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# pragma clang diagnostic ignored "-Wmismatched-tags"
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#endif
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#include <boost/container_hash/hash.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/type_traits/integral_constant.hpp>
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#include <boost/describe/class.hpp>
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#include <boost/config.hpp>
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#include <boost/config/pragma_message.hpp>
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#include <utility>
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#if defined(BOOST_NO_CXX11_HDR_TUPLE)
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BOOST_PRAGMA_MESSAGE( "Skipping test because BOOST_NO_CXX11_HDR_TUPLE is defined" )
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int main() {}
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#elif !defined(BOOST_DESCRIBE_CXX14)
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BOOST_PRAGMA_MESSAGE( "Skipping test because BOOST_DESCRIBE_CXX14 is not defined" )
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int main() {}
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#else
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namespace user
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{
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struct Y3
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{
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int a;
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int b;
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};
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BOOST_DESCRIBE_STRUCT(Y3, (), (a, b))
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} // namespace user
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namespace std
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{
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template<> struct tuple_size<user::Y3>: std::integral_constant<std::size_t, 2>
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{
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};
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} // namespace std
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namespace boost
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{
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namespace container_hash
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{
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template<> struct is_tuple_like<user::Y3>: boost::false_type {};
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} // namespace container_hash
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} // namespace boost
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template<class T> std::size_t hv( T const& t )
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{
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return boost::hash<T>()( t );
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}
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int main()
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{
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{
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user::Y3 tp = { 1, 2 };
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int const a[] = { 1, 2 };
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BOOST_TEST_EQ( hv(tp), hv(a) );
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}
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return boost::report_errors();
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}
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#endif
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