def test_gc_list_cycle(self): #print "test_gc_list_cycle" l = (123, [0, "test1"]) l[1][0] = l #We create weak reference to l to monitor collection by Java-GC: wkl = WeakReference(l) DemoExtension.argCountToString(l) del l self.assertIsNotNone(wkl.get()) self.assertEqual(len(monitor.getCurrentNativeLeaks()), 4) runGC() self.assertIsNone(wkl.get()) self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0) del wkl
def test_gc_list_modify_silent(self):
#print "test_gc_list_modify_silent"
clearCurrentLeaks()
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
l = [0, "test1"]
d = {'a': 7, 'b': "test6"}
wkl = WeakReference(l)
wkd = WeakReference(d)
wkl2 = weakref.ref(l)
wkd2 = weakref.ref(d)
self.assertIsNotNone(wkl.get())
self.assertIsNotNone(wkd.get())
self.assertIsNotNone(wkl2())
self.assertIsNotNone(wkd2())
DemoExtension.listSetIndex(l, 0, d)
del d
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 4)
#monitor.listAll()
runGC()
#monitor.listAll()
self.assertFalse(monitor.lastClearGraphValid)
self.assertIsNotNone(wkl.get())
self.assertIsNone(wkd.get())
self.assertIsNotNone(wkl2())
self.assertIsNotNone(wkd2())
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 3)
self.assertIsNotNone(l[0])
self.assertEqual(len(l[0]), 2)
del l
runGC()
#monitor.listAll()
self.assertTrue(monitor.lastClearGraphValid)
# For some reason resurrected objects persist one more
# gc-cycle in principle. So we have to run gc again before
# we can observe wkd2 to die. It is currently unclear whether
# this behavior is a JyNI-bug or natural Java-gc behavior,
# but for now (with some evidence) we assume the latter.
# Note: Since WeakRef-support wkd2 actually keeps the native
# referent alive for one more cycle. So also the monitor-refcount
# test only passes after another gc-run now.
runGC()
#monitor.listAll()
self.assertTrue(monitor.lastClearGraphValid)
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
self.assertIsNone(wkl2())
self.assertIsNone(wkd2())
def test_gc_list_cycle(self): #print "test_gc_list_cycle" clearCurrentLeaks() self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0) l = (123, [0, "test1"]) l[1][0] = l #We create weak reference to l to monitor collection by Java-GC: wkl = WeakReference(l) DemoExtension.argCountToString(l) del l self.assertIsNotNone(wkl.get()) self.assertEqual(len(monitor.getCurrentNativeLeaks()), 4) runGC() self.assertIsNone(wkl.get()) self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0) del wkl
def test_gc_dict_cycle(self):
#print "test_gc_dict_cycle"
l = (123, {'a': 0, 'b': "test3"})
l[1]['a'] = l
#We create weak reference to l to monitor collection by Java-GC:
wkl = WeakReference(l)
DemoExtension.argCountToString(l)
del l
self.assertIsNotNone(wkl.get())
#monitor.listLeaks()
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 3)
runGC()
self.assertIsNone(wkl.get())
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
#print ""
#monitor.listLeaks()
del wkl
def test_gc_list_modify_silent(self):
#print "test_gc_list_modify_silent"
clearCurrentLeaks()
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
l = [0, "test1"]
d = {'a': 7, 'b': "test6"}
wkl = WeakReference(l)
wkd = WeakReference(d)
wkl2 = weakref.ref(l)
wkd2 = weakref.ref(d)
self.assertIsNotNone(wkl.get())
self.assertIsNotNone(wkd.get())
self.assertIsNotNone(wkl2())
self.assertIsNotNone(wkd2())
DemoExtension.listSetIndex(l, 0, d)
del d
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 4)
runGC()
self.assertFalse(monitor.lastClearGraphValid)
self.assertIsNotNone(wkl.get())
self.assertIsNone(wkd.get())
self.assertIsNotNone(wkl2())
self.assertIsNotNone(wkd2())
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 3)
self.assertIsNotNone(l[0])
self.assertEqual(len(l[0]), 2)
del l
runGC()
self.assertTrue(monitor.lastClearGraphValid)
# For some reason resurrected objects persist one more
# gc-cycle in principle. So we have to run gc again before
# we can observe wkd2 to die. It is currently unclear whether
# this behavior is a JyNI-bug or natural Java-gc behavior,
# but for now (with some evidence) we assume the latter.
# Note: Since WeakRef-support wkd2 actually keeps the native
# referent alive for one more cycle. So also the monitor-refcount
# test only passes after another gc-run now.
runGC()
self.assertTrue(monitor.lastClearGraphValid)
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
self.assertIsNone(wkl2())
self.assertIsNone(wkd2())
def test_gc_list_cycle2(self): #print "test_gc_list_cycle2" clearCurrentLeaks() self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0) l2 = (127, [0, "test2"]) l2[1][0] = l2 #We create weak reference to l to monitor collection by Java-GC: wkl = WeakReference(l2) DemoExtension.argCountToString(l2) self.assertIsNotNone(wkl.get()) self.assertEqual(len(monitor.getCurrentNativeLeaks()), 4) runGC() self.assertIsNotNone(wkl.get()) self.assertEqual(len(monitor.getCurrentNativeLeaks()), 3) del l2 runGC() self.assertIsNone(wkl.get()) self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0) del wkl
def test_gc_list_modify_silent(self):
#print "test_gc_list_modify_silent"
l = [0, "test1"]
d = {'a': 7, 'b': "test6"}
wkl = WeakReference(l)
wkd = WeakReference(d)
wkl2 = weakref.ref(l)
wkd2 = weakref.ref(d)
self.assertIsNotNone(wkl.get())
self.assertIsNotNone(wkd.get())
self.assertIsNotNone(wkl2())
self.assertIsNotNone(wkd2())
DemoExtension.listSetIndex(l, 0, d)
del d
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 4)
#print "run1"
runGC()
#print "run1 done"
self.assertFalse(monitor.lastClearGraphValid)
self.assertIsNotNone(wkl.get())
self.assertIsNone(wkd.get())
self.assertIsNotNone(wkl2())
self.assertIsNotNone(wkd2())
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 3)
self.assertIsNotNone(l[0])
self.assertEqual(len(l[0]), 2)
del l
#print "run2"
runGC()
#print "run2 done"
self.assertTrue(monitor.lastClearGraphValid)
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
self.assertIsNone(wkl2())
# For some reason resurrected objects persist one more
# gc-cycle in principle. So we have to run gc again before
# we can observe wkd2 to die. It is currently unclear whether
# this behavior is a JyNI-bug or natural Java-gc behavior,
# but for now (with some evidence) we assume the latter.
#print "run3"
runGC()
#print "run3 done"
self.assertIsNone(wkd2())
def test_gc_list_modify_update(self):
#print "test_gc_list_modify_update"
l = [0, "test1"]
d = {'a': 7, 'b': "test6"}
#We create weak reference to l to monitor collection by Java-GC:
wkl = WeakReference(l)
wkd = WeakReference(d)
#l[0] = d
DemoExtension.argCountToString(l)
l[0] = d
del d
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 4)
runGC()
self.assertIsNotNone(wkl.get())
self.assertIsNotNone(wkd.get())
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 3)
del l
runGC()
self.assertIsNone(wkl.get())
self.assertIsNone(wkd.get())
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
def test_gc_list_modify_update(self):
#print "test_gc_list_modify_update"
clearCurrentLeaks()
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
l = [0, "test1"]
d = {'a': 7, 'b': "test6"}
#We create weak reference to l to monitor collection by Java-GC:
wkl = WeakReference(l)
wkd = WeakReference(d)
#l[0] = d
DemoExtension.argCountToString(l)
l[0] = d
del d
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 4)
runGC()
self.assertIsNotNone(wkl.get())
self.assertIsNotNone(wkd.get())
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 3)
del l
runGC()
self.assertIsNone(wkl.get())
self.assertIsNone(wkd.get())
self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
def clearCurrentLeaks(): leaks = monitor.getCurrentNativeLeaks() if len(leaks) > 0: monitor.declareLeaksPermanent(leaks)
def test_gc_doc(self): #print "test_gc_doc" clearCurrentLeaks() doc = DemoExtension.argCountToString.__doc__ #monitor.listLeaks() self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
def test_gc_doc(self): #print "test_gc_doc" doc = DemoExtension.argCountToString.__doc__ #monitor.listLeaks() self.assertEqual(len(monitor.getCurrentNativeLeaks()), 0)
def clearCurrentLeaks(): leaks = monitor.getCurrentNativeLeaks() if len(leaks) > 0: monitor.declareLeaksPermanent(leaks)
