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42 lines
800 B
C++
42 lines
800 B
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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#include <boost/container_hash/hash.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <boost/config/pragma_message.hpp>
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#include <cstddef>
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#if defined(BOOST_NO_CXX11_NULLPTR)
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BOOST_PRAGMA_MESSAGE( "Test skipped, BOOST_NO_CXX11_NULLPTR is defined" )
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int main() {}
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#else
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template<class T> std::size_t hv( T const& x )
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{
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return boost::hash<T>()( x );
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}
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int main()
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{
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{
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BOOST_TEST_EQ( hv((void*)0), hv(nullptr) );
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}
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{
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int x = 0;
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BOOST_TEST_EQ( hv((int*)0), hv(nullptr) );
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BOOST_TEST_NE( hv(&x), hv(nullptr) );
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(void)x;
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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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