[Webkit-unassigned] [Bug 95396] New: webkit-patch pretty-diff doesn't show new pixel results

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=95396

           Summary: webkit-patch pretty-diff doesn't show new pixel
                    results
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jchaffraix at webkit.org
                CC: ojan at chromium.org, dpranke at chromium.org,
                    pdr at google.com


Try to rebaseline a test without an existing baseline and webkit-patch pretty-diff will treat the new baseline as a modified pixel results, except that both the 'Added' and 'Removed' fields are empty.

Steps to reproduce on WebKit r127062.
* Open LayoutTests/platform/chromium/TestExpectations
* Add the modifier REBASELINE the following lines:

BUGWK95167 : fast/overflow/paged-x-with-column-gap.html = IMAGE IMAGE+TEXT TEXT MISSING
BUGWK95167 : fast/overflow/paged-x-div-with-column-gap.html = IMAGE IMAGE+TEXT TEXT MISSING

* Run: webkit-patch rebaseline-expectations
* Run: webkit-patch pretty-diff
* You should see the issue when scrolling to the new pixel results

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