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bpo-39322: Add gc.is_finalized to check if an object has been finalised by the gc (GH-17989)

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Pablo Galindo 2020-01-14 12:06:45 +00:00 • committed by GitHub
parent 1d1b97ae64
commit a2ec3f07f7
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6 changed files with 75 additions and 1 deletions
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18
Lib/test/test_gc.py
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@ -586,6 +586,24 @@ class GCTests(unittest.TestCase):
self.assertFalse(gc.is_tracked(UserFloatSlots()))
self.assertFalse(gc.is_tracked(UserIntSlots()))
def test_is_finalized(self):
# Objects not tracked by the always gc return false
self.assertFalse(gc.is_finalized(3))
storage = []
class Lazarus:
def __del__(self):
storage.append(self)
lazarus = Lazarus()
self.assertFalse(gc.is_finalized(lazarus))
del lazarus
gc.collect()
lazarus = storage.pop()
self.assertTrue(gc.is_finalized(lazarus))
def test_bug1055820b(self):
# Corresponds to temp2b.py in the bug report.