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https://issues.apache.org/jira/browse/FLEX-33738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13769595#comment-13769595
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Colin Childs commented on FLEX-33738:
-------------------------------------
in addAllAt() should
var maxLength:int = length
actually read
var maxLength:int = this.length; ?
> ArrayCollection addAll() adds items in the wrong order
> ------------------------------------------------------
>
> Key: FLEX-33738
> URL: https://issues.apache.org/jira/browse/FLEX-33738
> Project: Apache Flex
> Issue Type: Bug
> Components: Collections
> Affects Versions: Apache Flex 4.10.0
> Reporter: Colin Childs
>
> ArrayCollection's addAll() method has incorrect behavior. Take the following
> code for example:
> var test:ArrayCollection = new ArrayCollection();
> test.addAll(new ArrayCollection([1,2,3]));
> test.addAll(new ArrayCollection([4,5,6]));
> test.addAll(new ArrayCollection([7,8,9]));
> trace(test);
> In 4.6, this behaves as expected, and according to documentation, returning
> "1,2,3,4,5,6,7,8,9". In 4.10.0, it appears as though any calls to addAll()
> add the new items to the end of the original list, instead of the entire
> list, so you get the incorrect result "1,2,3,7,8,9,4,5,6".
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