[infinispan-issues] [JBoss JIRA] (ISPN-2337) Query iterators are buggy

[Galder Zamarreño (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-2337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Galder Zamarreño updated ISPN-2337:
-----------------------------------

    Fix Version/s: 5.2.0.CR1

    
> Query iterators are buggy
> -------------------------
>
>                 Key: ISPN-2337
>                 URL: https://issues.jboss.org/browse/ISPN-2337
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Querying
>    Affects Versions: 5.2.0.Alpha4
>            Reporter: Marko Lukša
>            Assignee: Marko Lukša
>             Fix For: 5.2.0.CR1
>
>
> I have found multiple problems with the iterators returned by CacheQueryImpl.
> - using LazyIterator with fetchSize fails with ArrayIndexOutOfBoundsException
> - calling previous() after next() doesn't return expected element
> - calling nextIndex() on a new iterator should return 0, not 1 (the same also applies when calling nextIndex() after calling first())
> - if fetchSize is greater than 1, LazyIterator fills the whole buffer on every invocation of .previous() (if fetchSize = 10, then _every_ invocation of previous() loads 10 results from the cache)
> - nextIndex() and previousIndex() throw NoSuchElementException, which violates the contract of ListInterface
> - next() and previous() throw ArrayIndexOutOfBoundsException when they should be throwing NoSuchElementException
> - ...

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