On Mon, 3 Oct 2022 11:20:17 GMT, Alexey Ivanov <[email protected]> wrote:
>> Prasanta Sadhukhan has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Test fix
>
> src/java.desktop/share/classes/javax/swing/text/AbstractDocument.java line
> 958:
>
>> 956: int index = bidiRoot.getElementIndex(p0);
>> 957: Element bidiElem = bidiRoot.getElement(index);
>> 958: if (bidiElem != null && bidiElem.getEndOffset() >= p1) {
>
> Is it possible that `bidiElem` is `null`? It should never be. If it is, it is
> a bug in the code and throwing NPE seems good — it will be the indication of
> the bug.
>
> Since the NPE has never been thrown from this code, I'd rather leave it
> unchanged here.
`getElement()` can return null
[here](https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/javax/swing/text/AbstractDocument.java#L2619)
and
[here](https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/javax/swing/text/AbstractDocument.java#L2398)
so it should not be enitrely impossible not to get null, so it should be a ok
> test/jdk/javax/swing/text/AbstractDocument/TestUndoError.java line 39:
>
>> 37: import javax.swing.undo.UndoManager;
>> 38:
>> 39: public class TestUndoError {
>
> `TestUndoInsertArabicText`? It's more specific this way.
ok
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PR: https://git.openjdk.org/jdk/pull/10446