[jira] [Closed] (GROOVY-7960) IntRange iterator returns null instead of NoSuchElementException

["Paul King (JIRA)" <ji...@apache.org>]

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

Paul King closed GROOVY-7960.
-----------------------------

> 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
>             Fix For: 2.5.0-alpha-1
>
>
> 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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