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51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
// Copyright 2017, 2018, 2024 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/hash2/get_integral_result.hpp>
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#include <boost/hash2/digest.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/array.hpp>
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#include <cstdint>
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#include <array>
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template<class R> void test()
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{
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using boost::hash2::get_integral_result;
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{
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R a64 = {{ 0xEF, 0xCD, 0xAB, 0x89, 0x67, 0x45, 0x23, 0x01 }};
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BOOST_TEST_EQ( get_integral_result<std::uint8_t>( a64 ), 0xEF );
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BOOST_TEST_EQ( get_integral_result<std::int8_t>( a64 ), -0x11 );
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BOOST_TEST_EQ( get_integral_result<std::uint16_t>( a64 ), 0xCDEF );
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BOOST_TEST_EQ( get_integral_result<std::int16_t>( a64 ), -0x3211 );
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BOOST_TEST_EQ( get_integral_result<std::uint32_t>( a64 ), 0x89ABCDEF );
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BOOST_TEST_EQ( get_integral_result<std::int32_t>( a64 ), 0x89ABCDEF );
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BOOST_TEST_EQ( get_integral_result<std::uint64_t>( a64 ), 0x0123456789ABCDEFull );
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BOOST_TEST_EQ( get_integral_result<std::int64_t>( a64 ), 0x0123456789ABCDEFull );
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}
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{
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R b64 = {{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }};
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BOOST_TEST_EQ( get_integral_result<std::uint8_t>( b64 ), 0xFF );
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BOOST_TEST_EQ( get_integral_result<std::int8_t>( b64 ), -1 );
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BOOST_TEST_EQ( get_integral_result<std::uint16_t>( b64 ), 0xFFFF );
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BOOST_TEST_EQ( get_integral_result<std::int16_t>( b64 ), -1 );
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BOOST_TEST_EQ( get_integral_result<std::uint32_t>( b64 ), 0xFFFFFFFFu );
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BOOST_TEST_EQ( get_integral_result<std::int32_t>( b64 ), -1 );
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BOOST_TEST_EQ( get_integral_result<std::uint64_t>( b64 ), 0xFFFFFFFFFFFFFFFFull );
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BOOST_TEST_EQ( get_integral_result<std::int64_t>( b64 ), -1 );
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}
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}
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int main()
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{
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test< std::array<unsigned char, 8> >();
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test< boost::array<unsigned char, 8> >();
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test< boost::hash2::digest<8> >();
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return boost::report_errors();
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}
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