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27 lines
1.1 KiB
C++
27 lines
1.1 KiB
C++
// Test for boost/core/bit.hpp (byteswap)
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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/core/bit.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/cstdint.hpp>
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int main()
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{
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BOOST_TEST_EQ( boost::core::byteswap( (boost::int8_t)0x01 ), 0x01 );
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BOOST_TEST_EQ( boost::core::byteswap( (boost::uint8_t)0xF1 ), 0xF1 );
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BOOST_TEST_EQ( boost::core::byteswap( (boost::int16_t)0x0102 ), 0x0201 );
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BOOST_TEST_EQ( boost::core::byteswap( (boost::uint16_t)0xF1E2 ), 0xE2F1 );
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BOOST_TEST_EQ( boost::core::byteswap( (boost::int32_t)0x01020304 ), 0x04030201 );
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BOOST_TEST_EQ( boost::core::byteswap( (boost::uint32_t)0xF1E2D3C4u ), 0xC4D3E2F1u );
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BOOST_TEST_EQ( boost::core::byteswap( (boost::int64_t)0x01020304 << 32 | 0x05060708 ), (boost::int64_t)0x08070605 << 32 | 0x04030201 );
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BOOST_TEST_EQ( boost::core::byteswap( (boost::uint64_t)0xF1E2D3C4u << 32 | 0xB5A69788u ), (boost::uint64_t)0x8897A6B5u << 32 | 0xC4D3E2F1u );
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return boost::report_errors();
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}
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