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Date: Mon, 26 Jan 2015 12:32:35 +0000 (UTC)
From: =?utf-8?Q?Tam=C3=A1s_Nepusz_=28JIRA=29?= <jira@apache.org>
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Subject: [jira] [Created] (FLEX-34727) ArrayList dispatches a
 CollectionEvent with an invalid "items" array after removeAll()
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Tam=C3=A1s Nepusz created FLEX-34727:
-----------------------------------

             Summary: ArrayList dispatches a CollectionEvent with an invali=
d "items" array after removeAll()
                 Key: FLEX-34727
                 URL: https://issues.apache.org/jira/browse/FLEX-34727
             Project: Apache Flex
          Issue Type: Bug
          Components: Collections
    Affects Versions: Apache Flex 4.13.0
         Environment: Mac OS X 10.9; very likely to affect other operating =
systems as well
            Reporter: Tam=C3=A1s Nepusz
            Priority: Trivial


Invoking {{removeAll()}} on an {{ArrayList}} dispatches a {{CollectionEvent=
}} with kind =3D {{CollectionEvent.RESET}}. According to the documentation =
of the {{items}} property of {{CollectionEvent}},

{quote}
When the kind is CollectionEventKind.REFRESH or CollectionEventKind.RESET, =
this array has zero length.
{quote}

The event dispatched from the {{ArrayList}} contains a single {{null}} item=
 instead, which contradicts the documentation.

The issue can easily be fixed by updating {{ArrayList#internalDispatchEvent=
()}} to treat {{RESET}} and {{REFRESH}} events specially so the {{items}} a=
rray of the event is never updated in these cases.


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