RFR: 8327401: Some jtreg tests fail on Wayland without any tracking bug [v2]

[Andrey Turbanov]

On Wed, 22 May 2024 21:52:14 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

>> These changes are intended to stabilize testing on Wayland in X11 compatibility mode.
>> 
>> <hr>
>> 
>> Many tests may fail if there is no `robot.delay()` call after `robot.waitForIdle()` (right after displaying a window).
>> <hr>
>> 
>> Some tests do not release previously pressed mouse button/key, this leads to other test failures later, but it is not a problem for X11 session.
>> I haven't checked this, but it looks like the XWayland server does not release the key/button emulated by XTEST when the client application disconnects, while the regular X11 server does.
>> 
>> <hr>
>> 
>> For some tests it is critical to call AWT code on EDT(it prevents NPE):
>> java/awt/List/KeyEventsTest/KeyEventsTest.java
>> java/awt/Paint/ListRepaint.java
>> 
>> <hr>
>> 
>> Some other explanations can be found inline in the comments for a specific test.
>> <hr>
>> 
>> Testing is green on all platforms.
>
> Alexander Zvegintsev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   typo

test/jdk/java/awt/List/ActionEventTest/ActionEventTest.java line 69:

> 67:         frame = new Frame("ActionEventTest");
> 68:         frame.add(list);
> 69:         frame.setSize(400,400);

Suggestion:

        frame.setSize(400, 400);

test/jdk/java/awt/List/KeyEventsTest/KeyEventsTest.java line 151:

> 149:         keyFrame.add("South", p2);
> 150: 
> 151:         keyFrame.setSize (200,200);

Suggestion:

        keyFrame.setSize(200, 200);

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/19339#discussion_r1618490900
PR Review Comment: https://git.openjdk.org/jdk/pull/19339#discussion_r1618490031