| 1 | // |
|---|---|
| 2 | // Copyright (c) 2018 James E. King III |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0. |
| 5 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 6 | // https://www.boost.org/LICENSE_1_0.txt) |
| 7 | // |
| 8 | // std::hash support for uuid |
| 9 | // |
| 10 | |
| 11 | #include <boost/config.hpp> |
| 12 | #include <boost/core/lightweight_test.hpp> |
| 13 | #include <boost/uuid/string_generator.hpp> |
| 14 | #include <boost/uuid/uuid.hpp> |
| 15 | #include <boost/uuid/uuid_hash.hpp> |
| 16 | #include <iostream> |
| 17 | |
| 18 | #if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL) |
| 19 | #include <unordered_set> |
| 20 | #endif |
| 21 | |
| 22 | int main(int, char*[]) |
| 23 | { |
| 24 | #if !defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) && !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL) |
| 25 | using namespace boost::uuids; |
| 26 | string_generator gen; |
| 27 | |
| 28 | uuid u1 = gen("01234567-89AB-CDEF-0123-456789abcdef"); |
| 29 | uuid u2 = gen("fedcba98-7654-3210-fedc-ba9876543210"); |
| 30 | |
| 31 | std::hash<uuid> hasher; |
| 32 | BOOST_TEST(hasher(u1) != hasher(u2)); |
| 33 | |
| 34 | std::unordered_set<boost::uuids::uuid> uns; |
| 35 | uns.insert(x: u1); |
| 36 | uns.insert(x: u2); |
| 37 | |
| 38 | BOOST_TEST_EQ(uns.size(), 2); |
| 39 | |
| 40 | return boost::report_errors(); |
| 41 | #else |
| 42 | std::cout << "test skipped - no library support for std::hash or std::unordered_set"<< std::endl; |
| 43 | return 0; |
| 44 | #endif |
| 45 | } |
| 46 |