New subject: [Bug 54033] user32:msg - The test_scrollwindowex() is sometimes empty, missing WM_PAINT on w7u

1 Dec 2022


      https://bugs.winehq.org/show_bug.cgi?id=54033
Bug ID: 54033
           Summary: user32:msg - The test_scrollwindowex() is sometimes
                    empty, missing WM_PAINT on w7u
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: user32
          Assignee: wine-bugs@winehq.org
          Reporter: fgouget@codeweavers.com
user32:msg - The test_scrollwindowex() is sometimes empty, missing WM_PAINT on
w7u:
msg.c:11943: Test failed: ScrollWindowEx: 0: the msg sequence is not complete:
expected 000f - actual 0000
msg.c:11943: Failed sequence ScrollWindowEx:
msg.c:11943:   0: expected: msg 000f - actual: nothing
msg.c:11954: Test failed: ScrollWindowEx: 0: the msg sequence is not complete:
expected 000f - actual 0000
msg.c:11954: Failed sequence ScrollWindowEx:
msg.c:11954:   0: expected: msg 000f - actual: nothing
msg.c:11964: Failed sequence ScrollWindowEx:
msg.c:11968: Test failed: ScrollWindowEx: 0: the msg sequence is not complete:
expected 000f - actual 0000
msg.c:11968: Failed sequence ScrollWindowEx:
msg.c:11968:   0: expected: msg 000f - actual: nothing
msg.c:11978: Test failed: ScrollWindow: 0: the msg sequence is not complete:
expected 000f - actual 0000
msg.c:11978: Failed sequence ScrollWindow:
msg.c:11978:   0: expected: msg 000f - actual: nothing
See https://test.winehq.org/data/patterns.html#user32:msg
This failure goes back to at least 2022-06-06.
It happens (almost?) systematically on w7u-2qxl (dual-monitor) but also
happens, more rarely, on the other (single-monitor) w7u configurations (which
is when it causes false positives).
There is no record of this failure happening on w7pro64 however.
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[Bug 54033] New: user32:msg - The test_scrollwindowex() is sometimes empty, missing WM_PAINT on w7u