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// Copyright (c) 2012-2020 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>
namespace {
template <typename MutexType>
void TestPotentialDeadLockDetected(MutexType& mutex1, MutexType& mutex2)
{
{
LOCK2(mutex1, mutex2);
}
bool error_thrown = false;
try {
LOCK2(mutex2, mutex1);
} catch (const std::logic_error& e) {
BOOST_CHECK_EQUAL(e.what(), "potential deadlock detected: mutex1 -> mutex2 -> mutex1");
error_thrown = true;
}
#ifdef DEBUG_LOCKORDER
BOOST_CHECK(error_thrown);
#else
BOOST_CHECK(!error_thrown);
#endif
}
} // namespace
BOOST_FIXTURE_TEST_SUITE(sync_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(potential_deadlock_detected)
{
#ifdef DEBUG_LOCKORDER
bool prev = g_debug_lockorder_abort;
g_debug_lockorder_abort = false;
#endif
RecursiveMutex rmutex1, rmutex2;
TestPotentialDeadLockDetected(rmutex1, rmutex2);
// The second test ensures that lock tracking data have not been broken by exception.
TestPotentialDeadLockDetected(rmutex1, rmutex2);
Mutex mutex1, mutex2;
TestPotentialDeadLockDetected(mutex1, mutex2);
// The second test ensures that lock tracking data have not been broken by exception.
TestPotentialDeadLockDetected(mutex1, mutex2);
#ifdef DEBUG_LOCKORDER
g_debug_lockorder_abort = prev;
#endif
}
BOOST_AUTO_TEST_SUITE_END()
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