On Thu, 8 Oct 2020 07:47:33 GMT, Ambarish Rapte <ara...@openjdk.org> wrote:
>> Florian Kirmaier has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> JDK-8244297
>> Fixed unit-test
>
> modules/javafx.base/src/test/java/test/util/memory/JMemoryBuddy.java line 79:
>
>> 77: AssertCollectable assertCollectable = new
>> AssertCollectable(weakReference);
>> 78: createHeapDump();
>> 79: throw new AssertionError("Content of WeakReference was not
>> collected. content: " + weakReference.get());
>
> Can be replaced with `assertNull`
It's more like the opposite. assertNotNull.
But the checks are also more complicated than the standard check because it's
combined with some GC-magic.
> modules/javafx.base/src/test/java/test/util/memory/JMemoryBuddy.java line 84:
>
>> 82:
>> 83: /**
>> 84: * Checks whether the content of the WeakReference can be collected.
>
> -> Checks whether the content of the WeakReference **is** collected.
That's not true. At the moment of method-call, the variable might not be
collected.
It doesen't check whether it's collected, it checks whether it is "collectable".
> modules/javafx.base/src/test/java/test/util/memory/JMemoryBuddy.java line 88:
>
>> 86: * @return Returns true, when the provided WeakReference can be
>> collected.
>> 87: */
>> 88: public static boolean checkCollectable(WeakReference weakReference) {
>
> I would prefer a name like `checkIfCollected` or `checkIfGCed`
That's not true. see one of the other comments.
-------------
PR: https://git.openjdk.java.net/jfx/pull/204
