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97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
// Copyright 2017, 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/hash_append.hpp>
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#include <boost/utility/string_view.hpp>
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#include <boost/core/detail/string_view.hpp>
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#include <boost/hash2/fnv1a.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <string>
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#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
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#include <string_view>
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#endif
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template<class Hash, class Flavor, class T, class R> void test_string_view( R r )
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{
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unsigned char w[] = { 1, 2, 3, 4 };
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T v( w, w + sizeof(w) / sizeof(w[0]) );
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Flavor f;
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{
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Hash h;
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boost::hash2::hash_append( h, f, v );
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BOOST_TEST_EQ( h.result(), r );
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}
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{
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Hash h;
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boost::hash2::hash_append_sized_range( h, f, v.begin(), v.end() );
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BOOST_TEST_EQ( h.result(), r );
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}
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}
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template<class Hash, class Flavor, class T, class R> void test( R r )
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{
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std::basic_string<T> str{ 1, 2, 3, 4 };
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Flavor f;
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{
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Hash h;
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boost::hash2::hash_append( h, f, str );
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BOOST_TEST_EQ( h.result(), r );
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}
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{
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Hash h;
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boost::hash2::hash_append( h, f, boost::basic_string_view<T>( str ) );
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BOOST_TEST_EQ( h.result(), r );
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}
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{
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Hash h;
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boost::hash2::hash_append( h, f, boost::core::basic_string_view<T>( str ) );
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BOOST_TEST_EQ( h.result(), r );
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}
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#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
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{
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Hash h;
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boost::hash2::hash_append( h, f, std::basic_string_view<T>( str ) );
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BOOST_TEST_EQ( h.result(), r );
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}
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#endif
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}
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int main()
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{
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using namespace boost::hash2;
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test<fnv1a_32, little_endian_flavor, char>( 2227238665 );
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test<fnv1a_32, big_endian_flavor, char>( 3245468929 );
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#if defined(__cpp_char8_t) && __cpp_char8_t >= 201811L
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test<fnv1a_32, little_endian_flavor, char8_t>( 2227238665 );
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test<fnv1a_32, big_endian_flavor, char8_t>( 3245468929 );
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#endif
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test<fnv1a_32, little_endian_flavor, char16_t>( 2981571797 );
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test<fnv1a_32, big_endian_flavor, char16_t>( 1063054677 );
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test<fnv1a_32, little_endian_flavor, char32_t>( 1745310485 );
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test<fnv1a_32, big_endian_flavor, char32_t>( 3959736277 );
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return boost::report_errors();
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}
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