RFR: 8345468: test/jdk/javax/swing/JScrollBar/4865918/bug4865918.java fails in ubuntu22.04

[Abhishek Kumar]

On Wed, 4 Dec 2024 09:18:51 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> Test is failing in OCI system citing
> 
> java.lang.Error: The scrollbar block increment is incorect
> at bug4865918.main(bug4865918.java:68) 
> 
> seemingly because focus is not in scrollbar..Added stability delay to make test execution wait after frame visibility and made frame to center of screen.
> Test passed in several OCI systems with this modification...

test/jdk/javax/swing/JScrollBar/4865918/bug4865918.java line 1:

> 1: /*

L72 - L77 can be changed to use lambda expression..

`SwingUtilities.invokeAndWait(() -> result[0] = sbar.getValue());`

test/jdk/javax/swing/JScrollBar/4865918/bug4865918.java line 59:

> 57:             robot.delay(200);
> 58: 
> 59:             int value = getValue();

`getValue()` can be evaluated in if condition directly, no need to have `value` variable.

typo in incorrect
throw new Error("The scrollbar block increment is `incorrect`");

may be changed to RTE instead of Error.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22540#discussion_r1869489694
PR Review Comment: https://git.openjdk.org/jdk/pull/22540#discussion_r1869477006