| 1 | |
|---|---|
| 2 | // Copyright 2018 Daniel James |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | #include "./config.hpp" |
| 7 | |
| 8 | #ifndef BOOST_HASH_TEST_STD_INCLUDES |
| 9 | # include <boost/container_hash/hash.hpp> |
| 10 | #endif |
| 11 | #include <boost/config.hpp> |
| 12 | #include <boost/core/lightweight_test.hpp> |
| 13 | |
| 14 | #if !defined(BOOST_NO_CXX17_HDR_OPTIONAL) |
| 15 | |
| 16 | #include <optional> |
| 17 | #include <string> |
| 18 | |
| 19 | void test_optional_int() |
| 20 | { |
| 21 | std::optional<int> x1a; |
| 22 | std::optional<int> x1b; |
| 23 | std::optional<int> x2a(10); |
| 24 | std::optional<int> x2b(x2a); |
| 25 | std::optional<int> x3(20); |
| 26 | |
| 27 | boost::hash<std::optional<int> > hasher; |
| 28 | |
| 29 | BOOST_TEST(hasher(x1a) == hasher(x1a)); |
| 30 | BOOST_TEST(hasher(x1a) == hasher(x1b)); |
| 31 | BOOST_TEST(hasher(x1a) != hasher(x2a)); |
| 32 | BOOST_TEST(hasher(x1a) != hasher(x3)); |
| 33 | BOOST_TEST(hasher(x2a) == hasher(x2a)); |
| 34 | BOOST_TEST(hasher(x2b) == hasher(x2b)); |
| 35 | BOOST_TEST(hasher(x2a) != hasher(x3)); |
| 36 | BOOST_TEST(hasher(x3) == hasher(x3)); |
| 37 | } |
| 38 | |
| 39 | void test_optional_string() |
| 40 | { |
| 41 | std::optional<std::string> x1a; |
| 42 | std::optional<std::string> x1b; |
| 43 | std::optional<std::string> x2a("10"); |
| 44 | std::optional<std::string> x2b(x2a); |
| 45 | std::optional<std::string> x3("20"); |
| 46 | |
| 47 | boost::hash<std::optional<std::string> > hasher; |
| 48 | |
| 49 | BOOST_TEST(hasher(x1a) == hasher(x1a)); |
| 50 | BOOST_TEST(hasher(x1a) == hasher(x1b)); |
| 51 | BOOST_TEST(hasher(x1a) != hasher(x2a)); |
| 52 | BOOST_TEST(hasher(x1a) != hasher(x3)); |
| 53 | BOOST_TEST(hasher(x2a) == hasher(x2a)); |
| 54 | BOOST_TEST(hasher(x2b) == hasher(x2b)); |
| 55 | BOOST_TEST(hasher(x2a) != hasher(x3)); |
| 56 | BOOST_TEST(hasher(x3) == hasher(x3)); |
| 57 | } |
| 58 | |
| 59 | #endif |
| 60 | |
| 61 | int main() |
| 62 | { |
| 63 | #if !defined(BOOST_NO_CXX17_HDR_OPTIONAL) |
| 64 | test_optional_int(); |
| 65 | test_optional_string(); |
| 66 | #else |
| 67 | BOOST_LIGHTWEIGHT_TEST_OSTREAM << "<optional> not available."<< std::endl; |
| 68 | #endif |
| 69 | return boost::report_errors(); |
| 70 | } |
| 71 |