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34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
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// constexpr test for boost/core/bit.hpp (rotl, rotr)
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//
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// Copyright 2023 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/config.hpp>
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#include <boost/config/pragma_message.hpp>
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#if defined(BOOST_NO_CXX14_CONSTEXPR)
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BOOST_PRAGMA_MESSAGE( "Test skipped because BOOST_NO_CXX14_CONSTEXPR is defined" )
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#else
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#include <boost/core/bit.hpp>
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#include <cstdint>
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#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
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STATIC_ASSERT( boost::core::rotl( (std::uint8_t)0x11, 1 ) == 0x22 );
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STATIC_ASSERT( boost::core::rotr( (std::uint8_t)0x11, 1 ) == 0x88 );
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STATIC_ASSERT( boost::core::rotl( (std::uint16_t)0x1111, 1 ) == 0x2222 );
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STATIC_ASSERT( boost::core::rotr( (std::uint16_t)0x1111, 1 ) == 0x8888 );
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STATIC_ASSERT( boost::core::rotl( (std::uint32_t)0x11111111, 1 ) == 0x22222222 );
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STATIC_ASSERT( boost::core::rotr( (std::uint32_t)0x11111111, 1 ) == 0x88888888 );
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STATIC_ASSERT( boost::core::rotl( (std::uint64_t)0x1111111111111111, 1 ) == 0x2222222222222222 );
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STATIC_ASSERT( boost::core::rotr( (std::uint64_t)0x1111111111111111, 1 ) == 0x8888888888888888 );
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#endif
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