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// Copyright 2017, 2018, 2024 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/hash2/get_integral_result.hpp>
#include <boost/hash2/digest.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/array.hpp>
#include <cstdint>
#include <array>
template<class R> class H
{
private:
R r_;
public:
using result_type = R;
explicit H( R const& r ): r_( r )
{
}
result_type result()
{
return r_;
}
};
template<class R> void test()
{
using boost::hash2::get_integral_result;
{
R r = {{ 0xEF, 0xCD, 0xAB, 0x89, 0x67, 0x45, 0x23, 0x01 }};
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::uint8_t>( h ), 0xEF );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::int8_t>( h ), -0x11 );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::uint16_t>( h ), 0xCDEF );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::int16_t>( h ), -0x3211 );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::uint32_t>( h ), 0x89ABCDEF );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::int32_t>( h ), 0x89ABCDEF );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::uint64_t>( h ), 0x0123456789ABCDEFull );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::int64_t>( h ), 0x0123456789ABCDEFull );
}
}
{
R r = {{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }};
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::uint8_t>( h ), 0xFF );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::int8_t>( h ), -1 );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::uint16_t>( h ), 0xFFFF );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::int16_t>( h ), -1 );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::uint32_t>( h ), 0xFFFFFFFFu );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::int32_t>( h ), -1 );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::uint64_t>( h ), 0xFFFFFFFFFFFFFFFFull );
}
{
H<R> h( r );
BOOST_TEST_EQ( get_integral_result<std::int64_t>( h ), -1 );
}
}
}
int main()
{
test< std::array<unsigned char, 8> >();
test< boost::array<unsigned char, 8> >();
test< boost::hash2::digest<8> >();
return boost::report_errors();
}
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