62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// Copyright (c) 2016-2024 The Hush developers
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// Copyright (c) 2015 The Bitcoin Core developers
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// Distributed under the GPLv3 software license, see the accompanying
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// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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#include "reverselock.h"
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#include "test/test_bitcoin.h"
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#include <boost/test/unit_test.hpp>
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BOOST_FIXTURE_TEST_SUITE(reverselock_tests, BasicTestingSetup)
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BOOST_AUTO_TEST_CASE(reverselock_basics)
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{
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boost::mutex mutex;
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boost::unique_lock<boost::mutex> lock(mutex);
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BOOST_CHECK(lock.owns_lock());
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{
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reverse_lock<boost::unique_lock<boost::mutex> > rlock(lock);
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BOOST_CHECK(!lock.owns_lock());
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}
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BOOST_CHECK(lock.owns_lock());
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}
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BOOST_AUTO_TEST_CASE(reverselock_errors)
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{
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boost::mutex mutex;
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boost::unique_lock<boost::mutex> lock(mutex);
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// Make sure trying to reverse lock an unlocked lock fails
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lock.unlock();
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BOOST_CHECK(!lock.owns_lock());
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bool failed = false;
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try {
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reverse_lock<boost::unique_lock<boost::mutex> > rlock(lock);
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} catch(...) {
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failed = true;
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}
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BOOST_CHECK(failed);
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BOOST_CHECK(!lock.owns_lock());
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// Locking the original lock after it has been taken by a reverse lock
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// makes no sense. Ensure that the original lock no longer owns the lock
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// after giving it to a reverse one.
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lock.lock();
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BOOST_CHECK(lock.owns_lock());
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{
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reverse_lock<boost::unique_lock<boost::mutex> > rlock(lock);
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BOOST_CHECK(!lock.owns_lock());
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}
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BOOST_CHECK(failed);
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BOOST_CHECK(lock.owns_lock());
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}
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BOOST_AUTO_TEST_SUITE_END()
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