[3.12] gh-110673: test_pty raises on short write (GH-110677) #110742
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Add write_all() helper function to test_pty to raise an exception on short write: if os.writes() does not write all bytes. It should not happen for a PTY. (cherry picked from commit b4e8049) Co-authored-by: Victor Stinner <vstinner@python.org>
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Add write_all() helper function to test_pty to raise an exception on
short write: if os.writes() does not write all bytes. It should not
happen for a PTY.
(cherry picked from commit b4e8049)
Co-authored-by: Victor Stinner vstinner@python.org