[Webkit-unassigned] [Bug 97464] New: Display a JS console message when setLineDash fails because of an invalid value

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=97464

           Summary: Display a JS console message when setLineDash fails
                    because of an invalid value
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: Unspecified
            Status: NEW
          Keywords: WebExposed
          Severity: Normal
          Priority: P2
         Component: Canvas
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: junov at google.com


When setLineDash receives a number sequence that contains a negative or non-finite value, it silently fails (no exception thrown), as prescribed by the spec.

A recent whatwg edit makes a non-normative suggestion that the UA could provide feedback to the developer by printing a console message that leaves a trace of the failure.
http://html5.org/tools/web-apps-tracker?from=7385&to=7386

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