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Date: Wed, 5 Oct 2016 23:17:20 +0000 (UTC)
From: "Paul King (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (GROOVY-7960) IntRange iterator returns null
 instead of NoSuchElementException
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archived-at: Wed, 05 Oct 2016 23:17:22 -0000


     [ https://issues.apache.org/jira/browse/GROOVY-7960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King updated GROOVY-7960:
------------------------------
    Labels: breaking  (was: )

> IntRange iterator returns null instead of NoSuchElementException
> ----------------------------------------------------------------
>
>                 Key: GROOVY-7960
>                 URL: https://issues.apache.org/jira/browse/GROOVY-7960
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 2.4.7
>            Reporter: John Wagenleitner
>            Assignee: John Wagenleitner
>            Priority: Minor
>              Labels: breaking
>
> Calling {{next()}} on an {{IntRange}} iterator returns {{null}} when {{hasNext{}}} returns false.  As stated in a comment in the class, it should throw {{NoSuchElementException}} to adhere to the Iterator contract.
> {code}
> class IntRangeItrTest extends GroovyTestCase {
>     void testItr() {
>         def itr = (1..2).iterator()        
>         assert itr.next() == 1
>         assert itr.next() == 2
>         assert !itr.hasNext()        
>         shouldFail(NoSuchElementException) {
>             itr.next() // null
>         }
>     }
> }
> {code}


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