[Webkit-unassigned] [Bug 113895] New: Webkit exposes aria-expanded="undefined" as aria-expanded="false" (AXExpanded = NO)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113895

           Summary: Webkit exposes aria-expanded="undefined" as
                    aria-expanded="false" (AXExpanded = NO)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: james at cookiecrook.com
                CC: cfleizach at apple.com,
                    webkit-bug-importer at group.apple.com


Webkit exposes aria-expanded="undefined" as aria-expanded="false" (AXExpanded = NO)

It should not expose this value unless the string value matches true or false. All other values (including "undefined", "foo", etc.) should not expose the AXExpanded property at all, b/c a NO value means "expandable but not expanded" whereas an undefined value means "not expandable."

Test Cases:

https://dvcs.w3.org/hg/pfwg/raw-file/default/ARIA/1.0/tests/test-files/roles-properties-supported-inherited/roles-properties-supported-inherited-tabpanel-aria-expanded-undefined.html

https://dvcs.w3.org/hg/pfwg/raw-file/default/ARIA/1.0/tests/test-files/roles-properties-supported-inherited/roles-properties-supported-inherited-timer-aria-expanded-undefined.html

https://dvcs.w3.org/hg/pfwg/raw-file/default/ARIA/1.0/tests/test-files/roles-properties-supported-inherited/roles-properties-supported-inherited-toolbar-aria-expanded-undefined.html

https://dvcs.w3.org/hg/pfwg/raw-file/default/ARIA/1.0/tests/test-files/roles-properties-supported-inherited/roles-properties-supported-inherited-tooltip-aria-expanded-undefined.html

https://dvcs.w3.org/hg/pfwg/raw-file/default/ARIA/1.0/tests/test-files/roles-properties-supported-inherited/roles-properties-supported-inherited-tree-aria-expanded-undefined.html

https://dvcs.w3.org/hg/pfwg/raw-file/default/ARIA/1.0/tests/test-files/roles-properties-supported-inherited/roles-properties-supported-inherited-treegrid-aria-expanded-undefined.html

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