[Webkit-unassigned] [Bug 30208] New: Possibly incorrect usage of line-break CSS property in editing tests

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30208

           Summary: Possibly incorrect usage of line-break CSS property in
                    editing tests
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: xan.lopez at gmail.com
                CC: mitz at webkit.org, xji at chromium.org


While trying to figure out why editing/selection/home-end.html was failing in
the GTK+ port I checked the last part of the file, containing the problematic
divs:

<div class="home-end-test" contenteditable
style="line-break:before-white-space; width:100px">abcdefg abcdefg abcdefg a
abcdefg abcdefg abcdefg abcdefg abcdefg abcdefg abcdefg abcdefg abcdefg abcdefg
</div>
<div class="home-end-test" contenteditable style="line-break:after-white-space;
width:100px">abcdefg abcdefg abcdefg a abcdefg abcdefg abcdefg abcdefg abcdefg
abcdefg abcdefg abcdefg abcdefg abcdefg </div>

A few comments about this:

- According to the documentation available
(http://developer.apple.com/mac/library/documentation/AppleApplications/Reference/SafariCSSRef/Articles/StandardCSSProperties.html#//apple_ref/css/property/-webkit-line-break)
line-break is useful to decide where to put line breaks in Chinese, Japanese or
Korean test. This is pure Western text.

- 'before-white-space' does not even seem to exist, there's only
'after-white-space' or 'normal'.

- The line break does not happen at the same position that the test expects in
my box (or the bots), since where 100px ends depends on font used, font sizes,
etc...

So, what are those line-break rules supposed to achieve? Is there any way to
get a cross-platform line break position so that we can share the expected
results? What about 'before-white-space'?

I'll skip the test for now in GTK+ while we figure out a solution.

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