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-rw-r--r--src/test/sync_tests.cpp52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/test/sync_tests.cpp b/src/test/sync_tests.cpp
new file mode 100644
index 0000000000..539e2ff3ab
--- /dev/null
+++ b/src/test/sync_tests.cpp
@@ -0,0 +1,52 @@
+// Copyright (c) 2012-2017 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/test_bitcoin.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");
+ 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
+
+ CCriticalSection rmutex1, rmutex2;
+ TestPotentialDeadLockDetected(rmutex1, rmutex2);
+
+ CWaitableCriticalSection mutex1, mutex2;
+ TestPotentialDeadLockDetected(mutex1, mutex2);
+
+ #ifdef DEBUG_LOCKORDER
+ g_debug_lockorder_abort = prev;
+ #endif
+}
+
+BOOST_AUTO_TEST_SUITE_END()