1 files changed, 64 insertions, 0 deletions
diff --git a/tests/signals/upstream_segfault_test.py b/tests/signals/upstream_segfault_test.py
new file mode 100644
index 000000000..793b04b1c
--- /dev/null
+++ b/tests/signals/upstream_segfault_test.py
@@ -0,0 +1,64 @@
+
+import unittest
+
+from PySide.QtCore import QObject, SIGNAL, SLOT
+
+# Upstream version of segfault_test
+
+class Dummy(QObject):
+    def __init__(self, parent=None):
+        QObject.__init__(self, parent)
+
+class Joe(QObject):
+    def __init__(self, parent=None):
+        QObject.__init__(self, parent)
+
+class SegfaultCase(unittest.TestCase):
+    """Test case for the segfault happening when parent() is called inside
+    ProxyObject"""
+
+    def setUp(self):
+        self.called = False
+
+    def tearDown(self):
+        try:
+            del self.args
+        except:
+            pass
+
+    def callback(self, *args):
+        if tuple(self.args) == args:
+            self.called = True
+
+    def testSegfault(self):
+        obj = Dummy()
+        QObject.connect(obj, SIGNAL('bar(int)'), self.callback)
+        self.args = (33,)
+        obj.emit(SIGNAL('bar(int)'), self.args[0])
+        self.assert_(self.called)
+
+        del obj
+        obj = Joe()
+        QObject.connect(obj, SIGNAL('bar(int)'), self.callback)
+        self.args = (33,)
+        obj.emit(SIGNAL('bar(int)'), self.args[0])
+        self.assert_(self.called)
+
+
+    def testSameReference(self):
+        """Example of how sip reuses an already used PyObject"""
+        obj = Dummy()
+        s1 = str(obj)
+        del obj
+        obj = Dummy()
+        s2 = str(obj)
+        self.assertEqual(s1, s2)
+
+        obj2 = Dummy()
+        s3 = str(obj2)
+        self.assertNotEqual(s2, s3)
+
+
+if __name__ == '__main__':
+    unittest.main()
+