Files
scylladb/tests/hash_test.cc
Avi Kivity c720cddc5c tests: mv tests/urchin/* -> tests/
Now that seastar is in a separate repository, we can use the tests/
directory.
2015-08-05 14:16:52 +03:00

57 lines
1.6 KiB
C++

/*
* Copyright 2015 Cloudius Systems
*/
#define BOOST_TEST_DYN_LINK
#include <boost/test/unit_test.hpp>
#include "tests/test-utils.hh"
#include "utils/hash.hh"
SEASTAR_TEST_CASE(test_pair_hash){
auto hash_compare = [](auto p) {
auto h1 = utils::tuple_hash()(p);
auto h2 = utils::hash_combine(std::hash<decltype(p.first)>()(p.first), std::hash<decltype(p.second)>()(p.second));
BOOST_CHECK_EQUAL(h1, h2);
};
hash_compare(std::make_pair(1, 2));
hash_compare(std::make_pair(1.5, 2.1));
hash_compare(std::make_pair("gris", "bacon"));
hash_compare(std::make_pair(666, "bacon"));
return make_ready_future<>();
}
SEASTAR_TEST_CASE(test_tuple_hash){
auto hash_compare = [](auto p, auto h2) {
auto h1 = utils::tuple_hash()(p);
BOOST_CHECK_EQUAL(h1, h2);
};
hash_compare(std::make_tuple(1, 2), utils::hash_combine(
std::hash<int32_t>()(1)
, std::hash<int32_t>()(2)
));
hash_compare(std::make_tuple(1, 2, 3), utils::hash_combine(
std::hash<int32_t>()(1)
, utils::hash_combine(std::hash<int32_t>()(2)
, std::hash<int32_t>()(3))
));
hash_compare(std::make_tuple("apa", "ko"), utils::hash_combine(
std::hash<const char *>()("apa")
, std::hash<const char *>()("ko")
));
hash_compare(std::make_tuple("olof", 2, "kung"), utils::hash_combine(
std::hash<const char *>()("olof")
, utils::hash_combine(std::hash<int32_t>()(2)
, std::hash<const char *>()("kung"))
));
return make_ready_future<>();
}