Re: CalendarUtil - Unusual Calculation

Ignore this thread :-) I found my answer

/**
* Testing to that if we set the day number to 31 for a month that
only has 30
* days in it, that the date rolls over to the first day of the next
month in
* sequence.

On Dec 1, 11:08 am, Ramon Buckland <ra...@thebuckland.com> wrote:
> So the problem won't be inside the CalendarUtil.
>
> Simply put, the following show the same  result.
>
> java.util.Date date = new java.util.Date(2010 -1900,12-1,31);
> System.out.println(date.toString());
> date.setMonth(8);
> System.out.println(date.toString());
>
> (I am thinking timezones etc etc.. something smells fishy).
>
> On Dec 1, 10:24 am, Ramon Buckland <ra...@thebuckland.com> wrote:
>
> > Hi
>
> > Before I log a bug, I just want to check I am not missing something
> > regarding the CalendarUtil.
>
> > I have a simple use case that is proving to show an unexpected result.
>
> > In Eclipse, open up a Scrapbook page
> > and copy the following code in and run it.
>
> > java.util.Date calcDate = new java.util.Date(2010 -1900,12-1,31);
> > System.out.println(":: b4 -3 months - " + calcDate.toString());
> > com.google.gwt.user.datepicker.client.CalendarUtil.addMonthsToDate(calcDate,
> > -3);
> > System.out.println("::    -3 months - " + calcDate.toString())
>
> > I get this output:
>
> > :: b4 -3 months - Fri Dec 31 00:00:00 GMT 2010
> > ::    -3 months - Fri Oct 01 00:00:00 BST 2010
>
> > Which is NOT what I was expecting.
>
> > thoughts ?
>
>

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