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Issue #17835: Fix test_io when the default OS pipe buffer size is larger than one million bytes.

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This commit is contained in:
Antoine Pitrou 2013-04-24 23:31:38 +02:00
parent 6ae466732c
commit e1a1674e1e
3 changed files with 11 additions and 6 deletions
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4
Lib/test/test_io.py
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@ -3061,7 +3061,7 @@ class SignalsTest(unittest.TestCase):
# The buffered IO layer must check for pending signal
# handlers, which in this case will invoke alarm_interrupt().
self.assertRaises(ZeroDivisionError,
wio.write, item * (support.PIPE_MAX_SIZE // len(item)))
wio.write, item * (support.PIPE_MAX_SIZE // len(item) + 1))
t.join()
# We got one byte, get another one and check that it isn't a
# repeat of the first one.
@ -3160,7 +3160,7 @@ class SignalsTest(unittest.TestCase):
select = support.import_module("select")
# A quantity that exceeds the buffer size of an anonymous pipe's
# write end.
N = 1024 * 1024
N = support.PIPE_MAX_SIZE
r, w = os.pipe()
fdopen_kwargs["closefd"] = False
# We need a separate thread to read from the pipe and allow the