[Seaside-dev] Issue 282 in seaside: ReadStream>>#'next' might give an error when at end

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Status: Accepted
Owner: WeybridgeWay
Labels: Type-Defect Priority-Medium Version-Seaside2.9

New issue 282 by WeybridgeWay: ReadStream>>#'next' might give an error when  
at end
http://code.google.com/p/seaside/issues/detail?id=282

WACallbackTest>>#'testMapCallback' is failing in GemStone because in
WAMapCallback>>#'valueForField:' the code assumes that #'next' will return  
nil if at end. According
to ANSI, the behavior is undefined when you send #'next' and there is  
nothing more to return. We
are reluctant to change the behavior of GemStone's streams. Thus, the  
particular sender under
consideration here needs to be changed. Shall I add an explicit #'atEnd'  
check to #'valueForField:' or
shall I create a new method (#'seasideNext' or #'nextOrNil'?) to ReadStream  
and then call it instead
of #'next'? -- James Foster

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