[Webkit-unassigned] [Bug 87320] New: AX: AccessibilityTable::cellForColumnAndRow for valid table returns null.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=87320

           Summary: AX: AccessibilityTable::cellForColumnAndRow for valid
                    table returns null.
           Product: WebKit
           Version: 312.x
          Platform: Macintosh
        OS/Version: Mac OS X 10.7
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dtseng at google.com
                CC: cfleizach at apple.com, dmazzoni at google.com,
                    aboxhall at chromium.org


- in Chrome
- Load the attached page.
- Set breakpoints in AccessibilityTable::cellForColumnAndRow
- The search for a spanning cell fails, so a null cell is returned.

Notes:
Debugging shows that this table is correctly identified as a data table. The assertion for a proper cell is hit (but no longer crashes with a recent change 87290).

>From the perspective of VoiceOver coupled with WebKit nightly, this table can not be traversed via VO-right.

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