1 files changed, 61 insertions, 0 deletions
diff --git a/python/helpers/pydev/tests_python/_debugger_case1.py b/python/helpers/pydev/tests_python/_debugger_case1.py
new file mode 100644
index 000000000000..964d951f382f
--- /dev/null
+++ b/python/helpers/pydev/tests_python/_debugger_case1.py
@@ -0,0 +1,61 @@
+import sys
+import weakref
+
+def SetUp():
+    observable = Observable()
+    observer = Observer()
+    observable.AddObserver(observer)
+    return observable
+
+
+class Observable(object):
+    def __init__(self):
+        self.observers = []
+        
+    def AddObserver(self, observer):
+        sys.stdout.write( 'observer %s\n' % (observer,))
+        ref = weakref.ref(observer)
+        self.observers.append(ref)
+        sys.stdout.write('weakref: %s\n' % (ref(),))
+        
+    def Notify(self):
+        for o in self.observers:
+            o = o()
+            
+            
+            try:
+                import gc
+            except ImportError:
+                o = None #some jython does not have gc, so, there's no sense testing this in it
+            else:
+                try:
+                    gc.get_referrers(o)
+                except:
+                    o = None #jython and ironpython do not have get_referrers
+            
+            if o is not None:
+                sys.stdout.write('still observing %s\n' % (o,))
+                sys.stdout.write('number of referrers: %s\n' % len(gc.get_referrers(o)))
+                frame = gc.get_referrers(o)[0]
+                frame_referrers = gc.get_referrers(frame)
+                sys.stdout.write('frame referrer %s\n' % (frame_referrers,))
+                referrers1 = gc.get_referrers(frame_referrers[1])
+                sys.stdout.write('%s\n' % (referrers1,))
+                sys.stderr.write('TEST FAILED: The observer should have died, even when running in debug\n')
+            else:
+                sys.stdout.write('TEST SUCEEDED: observer died\n')
+                
+            sys.stdout.flush()
+            sys.stderr.flush()
+                
+class Observer(object):
+    pass
+
+    
+def main():
+    observable = SetUp()
+    observable.Notify()
+    
+    
+if __name__ == '__main__':
+    main()