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 run4(): import DemoExtension JyNI.JyRefMonitor_setMemDebugFlags(1) l = ([0, "test"],) l[0][0] = l DemoExtension.argCountToString(l) del l #l[0][1] = None print "Leaks before GC:" monitor.listLeaks() System.gc() time.sleep(2) print "Leaks after GC:" monitor.listLeaks()
def run4():
import DemoExtension
JyNI.JyRefMonitor_setMemDebugFlags(1)
l = ([0, "test"], )
l[0][0] = l
DemoExtension.argCountToString(l)
del l
#l[0][1] = None
print "Leaks before GC:"
monitor.listLeaks()
System.gc()
time.sleep(2)
print "Leaks after GC:"
monitor.listLeaks()
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_argument_passing(self):
self.assertEqual(
DemoExtension.concatFirstWithLastString.__doc__,
"Concatenates first with last element. Returns empty string, if less than two args are available.",
)
self.assertEqual(DemoExtension.concatFirstWithLastString("begin_", "ignore", "ignore too", "end"), "begin_end")
self.assertEqual(DemoExtension.argCountToString.__doc__, "Returns number of arguments as string.")
self.assertEqual(DemoExtension.argCountToString("a", "b", "c", "d", "e", "f"), "(6)")
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_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 test_argument_passing(self):
self.assertEqual(
DemoExtension.concatFirstWithLastString.__doc__,
"Concatenates first with last element. Returns empty string, if less than two args are available."
)
self.assertEqual(
DemoExtension.concatFirstWithLastString("begin_", "ignore",
"ignore too", "end"),
"begin_end")
self.assertEqual(DemoExtension.argCountToString.__doc__,
"Returns number of arguments as string.")
self.assertEqual(
DemoExtension.argCountToString("a", "b", "c", "d", "e", "f"),
"(6)")
def run1():
JyNI.JyRefMonitor_setMemDebugFlags(1)
JyWeakReferenceGC.monitorNativeCollection = True
# PyType <- Make native ref-cycle test with heap type to test partly-stub-mode.
# PySet, but no native link to other PyObject
# PyFrozenSet, "
# PyCode, not GC-relevant in CPython
import DemoExtension
#Note:
# For now we attempt to verify JyNI's GC-functionality independently from
# Jython concepts like Jython weak references or Jython GC-module.
# So we use java.lang.ref.WeakReference and java.lang.System.gc to monitor
# and control Java-gc.
#JyNI.JyRefMonitor_setMemDebugFlags(1)
#JyWeakReferenceGC.monitorNativeCollection = True
#l = (123,)
l = ([0, "test"],)
l[0][0] = l
#l = (123, {'a': 0, 'b': "test"})
#l[1]['a'] = l
#We create weak reference to l to monitor collection by Java-GC:
wkl = WeakReference(l)
print "weak(l): "+str(wkl.get())
# We pass down l to some native method. We don't care for the method itself,
# but conversion to native side causes creation of native PyObjects that
# correspond to l and its elements. We will then track the life-cycle of these.
print "make l native..."
DemoExtension.argCountToString(l)
#print "argCountToString.__doc__-address: "+str(JyNI.lookupNativeHandle(DemoExtension.argCountToString.__doc__))
#print "We access a method-doc as this used to cause problems with GC:"
#print " "+DemoExtension.argCountToString.__doc__
#print "Native static objects so far:"
#print JyNI.nativeStaticPyObjectHeads.keySet()
print "Delete l... (but GC not yet ran)"
del l
#l = None
print "weak(l) after del: "+str(wkl.get())
print ""
# monitor.list-methods display the following format:
# [native pointer]{'' | '_GC_J' | '_J'} ([type]) #[native ref-count]: [repr] *[creation time]
# _GC_J means that JyNI tracks the object
# _J means that a JyNI-GC-head exists, but the object is not actually treated by GC
# This can serve monitoring purposes or soft-keep-alive (c.f. java.lang.ref.SoftReference)
# for caching.
print "Leaks before GC:"
monitor.listLeaks()
print ""
# By inserting this line you can confirm that native
# leaks would persist if JyNI-GC is not working:
#JyWeakReferenceGC.nativecollectionEnabled = False
print "calling Java-GC..."
System.gc()
time.sleep(2)
print "weak(l) after GC: "+str(wkl.get())
print ""
monitor.listWouldDeleteNative()
print ""
print "leaks after GC:"
monitor.listLeaks()
print ""
print " "+DemoExtension.argCountToString.__doc__
monitor.listLeaks()
#print "----"
#print monitor.listAll()
print ""
print "===="
print "exit"
print "===="
def run1():
JyNI.JyRefMonitor_setMemDebugFlags(1)
JyWeakReferenceGC.monitorNativeCollection = True
# PyType <- Make native ref-cycle test with heap type to test partly-stub-mode.
# PySet, but no native link to other PyObject
# PyFrozenSet, "
# PyCode, not GC-relevant in CPython
import DemoExtension
#Note:
# For now we attempt to verify JyNI's GC-functionality independently from
# Jython concepts like Jython weak references or Jython GC-module.
# So we use java.lang.ref.WeakReference and java.lang.System.gc to monitor
# and control Java-gc.
#JyNI.JyRefMonitor_setMemDebugFlags(1)
#JyWeakReferenceGC.monitorNativeCollection = True
#l = (123,)
l = ([0, "test"], )
l[0][0] = l
#l = (123, {'a': 0, 'b': "test"})
#l[1]['a'] = l
#We create weak reference to l to monitor collection by Java-GC:
wkl = WeakReference(l)
print "weak(l): " + str(wkl.get())
# We pass down l to some native method. We don't care for the method itself,
# but conversion to native side causes creation of native PyObjects that
# correspond to l and its elements. We will then track the life-cycle of these.
print "make l native..."
DemoExtension.argCountToString(l)
#print "argCountToString.__doc__-address: "+str(JyNI.lookupNativeHandle(DemoExtension.argCountToString.__doc__))
#print "We access a method-doc as this used to cause problems with GC:"
#print " "+DemoExtension.argCountToString.__doc__
#print "Native static objects so far:"
#print JyNI.nativeStaticPyObjectHeads.keySet()
print "Delete l... (but GC not yet ran)"
del l
#l = None
print "weak(l) after del: " + str(wkl.get())
print ""
# monitor.list-methods display the following format:
# [native pointer]{'' | '_GC_J' | '_J'} ([type]) #[native ref-count]: [repr] *[creation time]
# _GC_J means that JyNI tracks the object
# _J means that a JyNI-GC-head exists, but the object is not actually treated by GC
# This can serve monitoring purposes or soft-keep-alive (c.f. java.lang.ref.SoftReference)
# for caching.
print "Leaks before GC:"
monitor.listLeaks()
print ""
# By inserting this line you can confirm that native
# leaks would persist if JyNI-GC is not working:
#JyWeakReferenceGC.nativecollectionEnabled = False
print "calling Java-GC..."
System.gc()
time.sleep(2)
print "weak(l) after GC: " + str(wkl.get())
print ""
monitor.listWouldDeleteNative()
print ""
print "leaks after GC:"
monitor.listLeaks()
print ""
print " " + DemoExtension.argCountToString.__doc__
monitor.listLeaks()
#print "----"
#print monitor.listAll()
print ""
print "===="
print "exit"
print "===="
#from java.lang import System
#print "System.currentTimeMillis: "+str(System.currentTimeMillis())
print ""
print "--------Hello World----------"
print DemoExtension.hello_world
print DemoExtension.hello_world.__doc__
DemoExtension.hello_world()
print ""
print "--------Argument passing----------"
print DemoExtension.concatFirstWithLastString.__doc__
print DemoExtension.concatFirstWithLastString("begin_", "ignore", "ignore too", "end")
print DemoExtension.argCountToString.__doc__
print DemoExtension.argCountToString("a", "b", "c", "d", "e", "f")
print ""
print "--------Argument passing with keywords----------"
DemoExtension.keywordTest("first", "second", right = "Hey", wrong = "nothing")
print "(in JyNI-case see bottom for native outputs)"
print ""
print "----------------Integer passing-----------------"
print DemoExtension.intSquare.__doc__
print DemoExtension.intSquare
print DemoExtension.intSquare.__class__
print DemoExtension.intSquare.__name__
print "Native square result of 16: "+str(DemoExtension.intSquare(16))
print "Native square result of -19: "+str(DemoExtension.intSquare(19))
# and control Java-gc.
JyNI.JyRefMonitor_setMemDebugFlags(1)
JyWeakReferenceGC.monitorNativeCollection = True
l = (123, [0, "test"])
l[1][0] = l
#We create weak reference to l to monitor collection by Java-GC:
wkl = WeakReference(l)
print "weak(l): "+str(wkl.get())
# We pass down l to some native method. We don't care for the method itself,
# but conversion to native side causes creation of native PyObjects that
# correspond to l and its elements. We will then track the life-cycle of these.
print "make l native..."
DemoExtension.argCountToString(l)
print "Delete l... (but GC not yet ran)"
del l
print "weak(l) after del: "+str(wkl.get())
print ""
# monitor.list-methods display the following format:
# [native pointer]{'' | '_GC_J' | '_J'} ([type]) #[native ref-count]: [repr] *[creation time]
# _GC_J means that JyNI tracks the object
# _J means that a JyNI-GC-head exists, but the object is not actually treated by GC
# This can serve monitoring purposes or soft-keep-alive (c.f. java.lang.ref.SoftReference)
# for caching.
print "Leaks before GC:"
monitor.listLeaks()
print ""
#from java.lang import System
#print "System.currentTimeMillis: "+str(System.currentTimeMillis())
print ""
print "--------Hello World----------"
print DemoExtension.hello_world
print DemoExtension.hello_world.__doc__
DemoExtension.hello_world()
print ""
print "--------Argument passing----------"
print DemoExtension.concatFirstWithLastString.__doc__
print DemoExtension.concatFirstWithLastString("begin_", "ignore", "ignore too",
"end")
print DemoExtension.argCountToString.__doc__
print DemoExtension.argCountToString("a", "b", "c", "d", "e", "f")
print ""
print "--------Argument passing with keywords----------"
DemoExtension.keywordTest("first", "second", right="Hey", wrong="nothing")
print "(in JyNI-case see bottom for native outputs)"
print ""
print "----------------Integer passing-----------------"
print DemoExtension.intSquare.__doc__
print DemoExtension.intSquare
print DemoExtension.intSquare.__class__
print DemoExtension.intSquare.__name__
print "Native square result of 16: " + str(DemoExtension.intSquare(16))
print "Native square result of -19: " + str(DemoExtension.intSquare(19))
