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https://github.com/boostorg/container_hash.git
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0a000167b7
* added hash_is_avalanching * launched CI after enabling GHA * moved 1.89 entry from Change Log to Recent Changes * segregated some tests into hash_is_avalanching_test3.cpp and gotten rid of Unordered dependency * removed unneeded include * stopped using external std::hash for testing * typo * removed left over include * typo * moved hash_is_avalanching from boost::container_hash to boost * fixed specializations of boost::hash_is_avalanching
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
// Copyright 2022, 2025 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/container_hash/hash.hpp>
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#include <boost/container_hash/hash_is_avalanching.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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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_CXX17_HDR_STRING_VIEW)
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BOOST_PRAGMA_MESSAGE( "Test skipped, BOOST_NO_CXX17_HDR_STRING_VIEW is defined" )
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int main() {}
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#else
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#include <string_view>
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enum my_char { min = 0, max = 255 };
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int main()
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{
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using boost::hash_is_avalanching;
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BOOST_TEST_TRAIT_TRUE(( hash_is_avalanching< boost::hash<std::string_view> > ));
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BOOST_TEST_TRAIT_TRUE(( hash_is_avalanching< boost::hash<std::wstring_view> > ));
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#if !defined(BOOST_NO_CXX11_CHAR16_T)
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BOOST_TEST_TRAIT_TRUE(( hash_is_avalanching< boost::hash<std::u16string_view> > ));
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#endif
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#if !defined(BOOST_NO_CXX11_CHAR32_T)
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BOOST_TEST_TRAIT_TRUE(( hash_is_avalanching< boost::hash<std::u32string_view> > ));
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#endif
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#if defined(__cpp_char8_t) && __cpp_char8_t >= 201811L
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BOOST_TEST_TRAIT_TRUE(( hash_is_avalanching< boost::hash< std::basic_string_view<char8_t> > > ));
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#endif
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#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION >= 160000
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// std::char_traits<Ch> is deprecated for non-char types
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#else
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BOOST_TEST_TRAIT_FALSE(( hash_is_avalanching< boost::hash<std::basic_string_view<my_char> > > ));
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#endif
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return boost::report_errors();
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}
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#endif
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