46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
//
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// Copyright (c) 2018 James E. King III
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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//
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// std::hash support for uuid
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//
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#include <boost/config.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/uuid/string_generator.hpp>
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#include <boost/uuid/uuid.hpp>
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#include <boost/uuid/uuid_hash.hpp>
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#include <iostream>
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#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
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#include <unordered_set>
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#endif
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int main(int, char*[])
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{
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#if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
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using namespace boost::uuids;
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string_generator gen;
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uuid u1 = gen("01234567-89AB-CDEF-0123-456789abcdef");
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uuid u2 = gen("fedcba98-7654-3210-fedc-ba9876543210");
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std::hash<uuid> hasher;
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BOOST_TEST(hasher(u1) != hasher(u2));
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std::unordered_set<boost::uuids::uuid> uns;
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uns.insert(u1);
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uns.insert(u2);
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BOOST_TEST_EQ(uns.size(), 2);
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return boost::report_errors();
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#else
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std::cout << "test skipped - no library support for std::hash or std::unordered_set" << std::endl;
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return 0;
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#endif
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}
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