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