[Webkit-unassigned] [Bug 65523] New: LayoutTests should not declare a global "var undefined; "

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Aug 2 02:01:40 PDT 2011


           Summary: LayoutTests should not declare a global "var
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jkummerow at chromium.org

According to EcmaScript 5 Section, "undefined" is a read-only property of the global object and as such cannot be re-declared as a global variable. Some layout tests, however, do precisely this. This has become an issue because V8 does, as of now, properly set the read-only flag of "undefined", and therefore throws an exception when the re-declaration attempt occurs. Fortunately, the fix is easy: since "undefined" is available as a value anyway, the conflicting redeclarations can simply be removed.

Affected tests:
* editing/pasteboard/data-transfer-items
* editing/pasteboard/onpaste-text-html
* fast/events/ondrop-text-html
* fast/js/char-at

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