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https://issues.apache.org/jira/browse/GROOVY-7960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Wagenleitner resolved GROOVY-7960.
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Resolution: Fixed
Fix Version/s: 2.5.0-beta-1
Merged PR from [~jt1796].
> 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-beta-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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