[Webkit-unassigned] [Bug 12975] Layout test failure: DST changes in US affect JavaScript date calculations

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=12975


kmccullough at apple.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




------- Comment #8 from kmccullough at apple.com  2007-03-08 11:32 PDT -------
You are correct, different implementations can have different answers and still
all be technically obeying the spec.  I don't believe this test is incorrect
because by our algorithm it will interpolate to the year 1998 which is not
changing it's DST.

Our algorithm interpolates dates outside of the 1970-2038 range to years within
1972-2028.  So perhaps we should write a test case that interpolates to this
year or next which should have the new DST changes.  Also it's important to
note that these changes only are reflected in the US, and I believe the some of
the DST layout tests are known to fail in other timezones.

Finally I would suggest taking up Brendan Eich's suggestion
(https://bugzilla.mozilla.org/show_bug.cgi?id=365349#c13) to help raise this
issue.  I know OS X keeps a vast amount of historically accurate DST
information from around the world, it would be great if we could just ask the
OS and be done with it.


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