[webkit-dev] generic test expectations?
tony at chromium.org
Tue Nov 13 13:04:45 PST 2012
On Tue, Nov 13, 2012 at 12:09 PM, Glenn Adams <glenn at skynav.com> wrote:
> On Tue, Nov 13, 2012 at 1:02 PM, Tony Chang <tony at chromium.org> wrote:
>> I don't think we should support port specific ref test results. That
>> kind of misses the point of using a ref test in the first place. I mean,
>> you may as well check in port specific pixel results which are easier to
>> review for correctness.
>> It may be the case that a ref test is not appropriate for what you're
>> trying to test.
> In the case of line break behavior, using reftests seem better than pixel
> tests, since there is less need for port-specific expectations. If I can
> come up with a text based approach (perhaps using range boundary rects),
> then I'll do so, but in the mean time, reftests seem a better option,
> especially for defining correctness based expectations (instead of merely
> regression based expectations). But we are straying from the original topic
> of this thread.
Did you try using the ahem font to see if you can get the same line break
behavior across ports? The ahem font doesn't always work for pixel tests
(anti-aliasing issues? maybe line height issues?), but I think the width of
each character should be the same.
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