// Copyright (c) 2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <util/ref.h>

#include <boost/test/unit_test.hpp>

BOOST_AUTO_TEST_SUITE(ref_tests)

BOOST_AUTO_TEST_CASE(ref_test)
{
    util::Ref ref;
    BOOST_CHECK(!ref.Has<int>());
    BOOST_CHECK_THROW(ref.Get<int>(), NonFatalCheckError);
    int value = 5;
    ref.Set(value);
    BOOST_CHECK(ref.Has<int>());
    BOOST_CHECK_EQUAL(ref.Get<int>(), 5);
    ++ref.Get<int>();
    BOOST_CHECK_EQUAL(ref.Get<int>(), 6);
    BOOST_CHECK_EQUAL(value, 6);
    ++value;
    BOOST_CHECK_EQUAL(value, 7);
    BOOST_CHECK_EQUAL(ref.Get<int>(), 7);
    BOOST_CHECK(!ref.Has<bool>());
    BOOST_CHECK_THROW(ref.Get<bool>(), NonFatalCheckError);
    ref.Clear();
    BOOST_CHECK(!ref.Has<int>());
    BOOST_CHECK_THROW(ref.Get<int>(), NonFatalCheckError);
}

BOOST_AUTO_TEST_SUITE_END()