On Wed, 6 Aug 2025 02:58:01 GMT, Prasanta Sadhukhan <psadhuk...@openjdk.org> 
wrote:

>> When trying to call 'icon.setImage(null);' where 'icon' is an instance of 
>> ImageIcon, a null pointer exception is thrown at runtime.
>> The code tried to get the `id` for that image and instantiates 
>> `MediaTracker` to associate the null image to that `id` and checks the 
>> status of loading this null image, removes the null image from the tracker 
>> and then tries to get the image width where it throws NPE as image is null.
>> 
>> It's better to not go through all MediaTracker usage and bail out initially 
>> itself for null image..
>
> Prasanta Sadhukhan has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   Test update

Looks good… except for lots of unexpected blank lines in the test code.

test/jdk/javax/swing/ImageIcon/ImageIconTest.java line 73:

> 71:                            break;
> 72: 
> 73:                        case URL :

Was adding so many blank lines intentional?

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

Marked as reviewed by aivanov (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25767#pullrequestreview-3093086116
PR Review Comment: https://git.openjdk.org/jdk/pull/25767#discussion_r2257484753

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