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https://issues.apache.org/jira/browse/GROOVY-7902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-7902.
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> collate() infinite loop with zeroed step
> ----------------------------------------
>
> Key: GROOVY-7902
> URL: https://issues.apache.org/jira/browse/GROOVY-7902
> Project: Groovy
> Issue Type: Bug
> Components: groovy-jdk, groovy-runtime
> Affects Versions: 2.4.7
> Environment: Groovy Version: 2.4.7 JVM: 1.8.0_92 Vendor: Oracle
> Corporation OS: Mac OS X
> Reporter: Felipe Mamud
> Assignee: Paul King
> Priority: Minor
> Fix For: 2.5.0-alpha-1
>
>
> Fixing infinite loop in Iterable.collate method when step parameter is equals
> to zero.
> Example:
> {code:java}
> [ 1, 2, 3 ].collate( 2, 0 )
> {code}
> The result is a infinite loop because the step parameter is used directly in
> the for increment: pos += step
> In the fixing I assumed that the step parameter should be equals to size
> parameter, looks like in the collate(self, size, size, keepRemainder)
> overloaded method, with absence of step and I considered backward
> compatibility with negative steps.
> PR opened in Github: https://github.com/apache/groovy/pull/378
> Thks.
> Felipe Mamud
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