[Webkit-unassigned] [Bug 71669] New: Fix wrong test results of fast/js/custom-constructors.html

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=71669

           Summary: Fix wrong test results of
                    fast/js/custom-constructors.html
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: haraken at chromium.org
                CC: abarth at webkit.org, dominicc at chromium.org


Some test results in custom-constructors.html are wrong: 

wrong: shouldBeEqualToString("new Option(undefined).innerText", "");
correct: shouldBeEqualToString("new Option(undefined).innerText", "undefined");

wrong: shouldBeEqualToString("new Option('somedata', undefined).value", "somedata");
correct: shouldBeEqualToString("new Option('somedata', undefined).value", "undefined");

According to the HTMLOptionElement spec (http://dev.w3.org/html5/spec/the-button-element.html#the-option-element), 'label' and 'value' do not have [TreatUndefinedAs=EmptyString]. Thus, a value undefined should be converted to a string "undefined", following the step 3 of the IDL conversion spec (http://dev.w3.org/2006/webapi/WebIDL/#es-DOMString).

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