71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
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// Copyright 2018 Daniel James
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include "./config.hpp"
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#ifndef BOOST_HASH_TEST_STD_INCLUDES
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# include <boost/container_hash/hash.hpp>
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#endif
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#include <boost/config.hpp>
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#include <boost/core/lightweight_test.hpp>
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#if BOOST_HASH_HAS_OPTIONAL
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#include <optional>
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#include <string>
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void test_optional_int()
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{
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std::optional<int> x1a;
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std::optional<int> x1b;
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std::optional<int> x2a(10);
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std::optional<int> x2b(x2a);
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std::optional<int> x3(20);
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boost::hash<std::optional<int> > hasher;
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BOOST_TEST(hasher(x1a) == hasher(x1a));
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BOOST_TEST(hasher(x1a) == hasher(x1b));
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BOOST_TEST(hasher(x1a) != hasher(x2a));
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BOOST_TEST(hasher(x1a) != hasher(x3));
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BOOST_TEST(hasher(x2a) == hasher(x2a));
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BOOST_TEST(hasher(x2b) == hasher(x2b));
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BOOST_TEST(hasher(x2a) != hasher(x3));
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BOOST_TEST(hasher(x3) == hasher(x3));
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}
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void test_optional_string()
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{
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std::optional<std::string> x1a;
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std::optional<std::string> x1b;
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std::optional<std::string> x2a("10");
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std::optional<std::string> x2b(x2a);
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std::optional<std::string> x3("20");
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boost::hash<std::optional<std::string> > hasher;
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BOOST_TEST(hasher(x1a) == hasher(x1a));
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BOOST_TEST(hasher(x1a) == hasher(x1b));
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BOOST_TEST(hasher(x1a) != hasher(x2a));
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BOOST_TEST(hasher(x1a) != hasher(x3));
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BOOST_TEST(hasher(x2a) == hasher(x2a));
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BOOST_TEST(hasher(x2b) == hasher(x2b));
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BOOST_TEST(hasher(x2a) != hasher(x3));
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BOOST_TEST(hasher(x3) == hasher(x3));
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}
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#endif
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int main()
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{
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#if BOOST_HASH_HAS_OPTIONAL
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test_optional_int();
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test_optional_string();
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#else
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BOOST_LIGHTWEIGHT_TEST_OSTREAM << "<optional> not available." << std::endl;
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#endif
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return boost::report_errors();
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}
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