git / moonbite-core / src/test/reverselock_tests.cpp · raw

// Copyright (c) 2015-2020 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 <sync.h>#include <test/util/setup_common.h>#include <boost/test/unit_test.hpp>BOOST_FIXTURE_TEST_SUITE(reverselock_tests, BasicTestingSetup)BOOST_AUTO_TEST_CASE(reverselock_basics){    Mutex mutex;    WAIT_LOCK(mutex, lock);    BOOST_CHECK(lock.owns_lock());    {        REVERSE_LOCK(lock);        BOOST_CHECK(!lock.owns_lock());    }    BOOST_CHECK(lock.owns_lock());}BOOST_AUTO_TEST_CASE(reverselock_multiple){    Mutex mutex2;    Mutex mutex;    WAIT_LOCK(mutex2, lock2);    WAIT_LOCK(mutex, lock);    // Make sure undoing two locks succeeds    {        REVERSE_LOCK(lock);        BOOST_CHECK(!lock.owns_lock());        REVERSE_LOCK(lock2);        BOOST_CHECK(!lock2.owns_lock());    }    BOOST_CHECK(lock.owns_lock());    BOOST_CHECK(lock2.owns_lock());}BOOST_AUTO_TEST_CASE(reverselock_errors){    Mutex mutex2;    Mutex mutex;    WAIT_LOCK(mutex2, lock2);    WAIT_LOCK(mutex, lock);#ifdef DEBUG_LOCKORDER    // Make sure trying to reverse lock a previous lock fails    try {        REVERSE_LOCK(lock2);        BOOST_CHECK(false); // REVERSE_LOCK(lock2) succeeded    } catch(...) { }    BOOST_CHECK(lock2.owns_lock());#endif    // Make sure trying to reverse lock an unlocked lock fails    lock.unlock();    BOOST_CHECK(!lock.owns_lock());    bool failed = false;    try {        REVERSE_LOCK(lock);    } catch(...) {        failed = true;    }    BOOST_CHECK(failed);    BOOST_CHECK(!lock.owns_lock());    // Locking the original lock after it has been taken by a reverse lock    // makes no sense. Ensure that the original lock no longer owns the lock    // after giving it to a reverse one.    lock.lock();    BOOST_CHECK(lock.owns_lock());    {        REVERSE_LOCK(lock);        BOOST_CHECK(!lock.owns_lock());    }    BOOST_CHECK(failed);    BOOST_CHECK(lock.owns_lock());}BOOST_AUTO_TEST_SUITE_END()