1 files changed, 78 insertions, 0 deletions
diff --git a/sources/shiboken6/tests/samplebinding/lock_test.py b/sources/shiboken6/tests/samplebinding/lock_test.py
new file mode 100644
index 000000000..acd47634a
--- /dev/null
+++ b/sources/shiboken6/tests/samplebinding/lock_test.py
@@ -0,0 +1,78 @@
+#!/usr/bin/env python
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+'''Simple test with a blocking C++ method that should allow python
+   threads to run.'''
+
+import os
+import sys
+import threading
+import unittest
+
+from pathlib import Path
+sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
+from shiboken_paths import init_paths
+init_paths()
+
+from sample import Bucket
+
+
+class Unlocker(threading.Thread):
+
+    def __init__(self, bucket):
+        threading.Thread.__init__(self)
+        self.bucket = bucket
+
+    def run(self):
+        while not self.bucket.locked():
+            pass
+
+        self.bucket.unlock()
+
+
+class MyBucket(Bucket):
+
+    def __init__(self):
+        Bucket.__init__(self)
+
+    def virtualBlockerMethod(self):
+        self.lock()
+        return True
+
+
+class TestLockUnlock(unittest.TestCase):
+
+    def testBasic(self):
+        '''Locking in C++ and releasing in a python thread'''
+        bucket = Bucket()
+        unlocker = Unlocker(bucket)
+
+        unlocker.start()
+        bucket.lock()
+        unlocker.join()
+
+    def testVirtualBlocker(self):
+        '''Same as the basic case but blocker method is a C++ virtual called from C++.'''
+        bucket = Bucket()
+        unlocker = Unlocker(bucket)
+
+        unlocker.start()
+        result = bucket.callVirtualBlockerMethodButYouDontKnowThis()
+        unlocker.join()
+        self.assertTrue(result)
+
+    def testReimplementedVirtualBlocker(self):
+        '''Same as the basic case but blocker method is a C++ virtual reimplemented
+           in Python and called from C++.'''
+        mybucket = MyBucket()
+        unlocker = Unlocker(mybucket)
+
+        unlocker.start()
+        result = mybucket.callVirtualBlockerMethodButYouDontKnowThis()
+        unlocker.join()
+        self.assertTrue(result)
+
+
+if __name__ == '__main__':
+    unittest.main()