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

[Phil Race]

On Wed, 22 May 2024 02:25:14 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.

test/jdk/javax/swing/JButton/PressedButtonRightClickTest.java line 97:

> 95:         // Test whether the button is still pressed
> 96:         boolean pressed = myButton.getModel().isPressed();
> 97:         System.out.println("release BUTTON1_DOWN_MASK");

Is this a debugging left over ?

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PR Review Comment: https://git.openjdk.org/jdk/pull/19339#discussion_r1610633132