[Webkit-unassigned] [Bug 9179] Implement select.options.add() method
bugzilla-daemon at opendarwin.org
bugzilla-daemon at opendarwin.org
Tue Jul 4 05:49:03 PDT 2006
http://bugzilla.opendarwin.org/show_bug.cgi?id=9179
------- Comment #18 from ddkilzer at kilzer.net 2006-07-04 05:49 PDT -------
(In reply to comment #17)
> (From update of attachment 9174 [edit])
> The reason getNumber returns a boolean is so that you don't have to make a
> separate call to isNumber. And we don't use the function call syntax for type
> casts -- instead we use C++ cast syntax. So this:
>
> + if (value->isNumber()) {
> + double lengthValue;
> + value->getNumber(lengthValue);
> + if (lengthValue < 0.0)
> + return;
> + if (lengthValue > double(UINT_MAX))
> + newLength = UINT_MAX;
> + else
> + newLength = unsigned(lengthValue);
> + }
>
> should be:
>
> double lengthValue;
> if (value->getNumber(lengthValue)) {
> if (lengthValue < 0.0)
> return;
> if (lengthValue > static_cast<double>(UINT_MAX))
> newLength = UINT_MAX;
> else
> newLength = static_cast<unsigned>(lengthValue);
> }
This change causes a regression in
fast/dom/select-selectedIndex-multiple.html. I will investigate why.
> I'd like to see tests that cover a few more of the branches, for example
> setting length to infinity and NaN. The code makes infinite try to set it to
> UINT_MAX, NaN sets it to 0, although -1 doesn't change the existing length. Is
> that really the behavior we want? If so, then lets make sure tests exercise
> those cases and perhaps try them in other browsers.
I'll write some more tests before this patch lands.
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