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Fix a bug in the implementation of the synchronized updates escape code that could cause incorrect parsing if either the pending buffer capacity or the pending timeout were exceeded

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Fixes #3779
This commit is contained in:
Kovid Goyal
2021-07-01 15:32:53 +05:30
parent fe991ee767
commit 026d200add
4 changed files with 57 additions and 9 deletions
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15
kitty_tests/parser.py
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@@ -370,6 +370,21 @@ class TestParser(BaseTest):
pb('\033[?2026h\033P+q544e\033\\ama\033P=2s\033\\',
('screen_set_mode', 2026, 1), ('screen_stop_pending_mode',), ('screen_request_capabilities', 43, '544e'), ('draw', 'ama'))
s.reset()
s.set_pending_timeout(timeout)
pb('\033[?2026h', ('screen_set_mode', 2026, 1),)
pb('\033P+q')
time.sleep(1.2 * timeout)
pb(
'544e' + '\033\\\033P=2s\033\\',
('screen_request_capabilities', 43, '544e'),
('Pending mode stop command issued while not in pending mode, this can be '
'either a bug in the terminal application or caused by a timeout with no '
'data received for too long or by too much data in pending mode',),
('screen_stop_pending_mode',)
)
self.assertEqual(str(s.line(0)), '')
def test_oth_codes(self):
s = self.create_screen()
pb = partial(self.parse_bytes_dump, s)