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Closes #15488: Closed files keep their buffer alive

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Jesus Cea 2012-10-04 12:37:56 +02:00
parent 279ed3cc55
commit dc469454ec
3 changed files with 16 additions and 0 deletions
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8
Lib/test/test_io.py
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@ -815,6 +815,14 @@ class SizeofTest:
bufio = self.tp(rawio, buffer_size=bufsize2)
self.assertEqual(sys.getsizeof(bufio), size + bufsize2)
@support.cpython_only
def test_buffer_freeing(self) :
bufsize = 4096
rawio = self.MockRawIO()
bufio = self.tp(rawio, buffer_size=bufsize)
size = sys.getsizeof(bufio) - bufsize
bufio.close()
self.assertEqual(sys.getsizeof(bufio), size)
class BufferedReaderTest(unittest.TestCase, CommonBufferedTests):
read_mode = "rb"