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87 lines
1.3 KiB
Python
87 lines
1.3 KiB
Python
import gc
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def test_list():
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l = []
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l.append(l)
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gc.collect()
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del l
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assert gc.collect() == 1
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def test_dict():
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d = {}
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d[1] = d
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gc.collect()
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del d
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assert gc.collect() == 1
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def test_tuple():
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l = []
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t = (l,)
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l.append(t)
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gc.collect()
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del t
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del l
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assert gc.collect() == 2
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def test_class():
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class A:
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pass
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A.a = A
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gc.collect()
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del A
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assert gc.collect() > 0
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def test_instance():
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class A:
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pass
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a = A()
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a.a = a
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gc.collect()
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del a
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assert gc.collect() > 0
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def test_method():
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class A:
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def __init__(self):
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self.init = self.__init__
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a = A()
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gc.collect()
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del a
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assert gc.collect() > 0
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def test_finalizer():
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class A:
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def __del__(self): pass
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class B:
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pass
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a = A()
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a.a = a
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id_a = id(a)
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b = B()
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b.b = b
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gc.collect()
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gc.garbage[:] = []
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del a
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del b
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assert gc.collect() > 0
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assert id(gc.garbage[0]) == id_a
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def test_function():
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d = {}
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exec("def f(): pass\n") in d
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gc.collect()
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del d
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assert gc.collect() == 2
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def test_all():
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test_list()
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test_dict()
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test_tuple()
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test_class()
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test_instance()
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test_method()
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test_finalizer()
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test_function()
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test_all()
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