RFR: 8333403: Write a test to check various components events are triggered properly [v2]

[Tejesh R]

On Wed, 5 Jun 2024 08:29:11 GMT, Ravi Gupta <rgupta at openjdk.org> wrote:

>> This testcase checks for the following assertions for Component events:
>> 
>> 1. When components are resized, moved, hidden and shown the respective events are triggered.
>> 2. When the components are hidden/disabled also,the component events like resized/moved are triggered.
>> 3. When a hidden component is hidden again, or a visible component is shown again, the events should not be fired.
>> 4. When a window is minimized/restored then hidden and shown component events should be triggered.
>> 
>> Testing:
>> Tested using Mach5(20 times per platform) in macos,linux and windows and got all pass.
>
> Ravi Gupta has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8333403: Copyright Header added

test/jdk/java/awt/event/ComponentEvent/ComponentEventTest.java line 54:

> 52:     private static Frame frame;
> 53:     private static Component[] components;
> 54:     private static boolean componentHidden = false;

These boolean variables should be volatile since they are set in Listener.

test/jdk/java/awt/event/ComponentEvent/ComponentEventTest.java line 152:

> 150:                     currentComponent.setVisible(false);
> 151:                     frame.invalidate();
> 152:                     frame.validate();

frame.invalidate();
  frame.validate();

Can move these two into separate method and call it since its been used in several places.

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PR Review Comment: https://git.openjdk.org/jdk/pull/19521#discussion_r1628779521
PR Review Comment: https://git.openjdk.org/jdk/pull/19521#discussion_r1628794155