RFR: 8296083: javax/swing/JTree/6263446/bug6263446.java fails intermittently on a VM

[Sergey Bylokhov]

On Wed, 9 Nov 2022 10:37:24 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> Test intermittently fails in VM citing "Tree is not editing". Seems to be problem with mouse clicks not getting registered properly..
> Similar test test/jdk/javax/swing/JTable/6263446/bug6263446.java is not affected, so made the test similar to it by using same safeguard using Robot.waitForIdle() and modifying clickpoint to tree cell midpoint.
> 
> Several iterations of the test pass in the OCI VM and all other physical platforms (link in JBS)

test/jdk/javax/swing/JTree/6263446/bug6263446.java line 131:

> 129:             robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
> 130:             robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
> 131:             robot.waitForIdle();

Why do we remove it here and then add it after each call of this "click" method? why not move to the end of the method?

test/jdk/javax/swing/JTree/6263446/bug6263446.java line 186:

> 184:         frame.setAlwaysOnTop(true);
> 185:         frame.setLocationRelativeTo(null);
> 186:         frame.pack();

pack() after the setLocationRelativeTo() may move the frame out of the center of the screen, is it intentional?

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PR: https://git.openjdk.org/jdk/pull/11057