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Re: [testcases] bugs in datetime subtraction

From: Gary Hallmark <gary.hallmark@oracle.com>
Date: Fri, 02 Apr 2010 20:58:14 -0700
Message-ID: <4BB6BCD6.20701@oracle.com>
To: Stella Mitchell <stellamit@gmail.com>
CC: RIF WG <public-rif-wg@w3.org>
Hi Stella,

There's a similar problem (mixed use of timezone) a few lines down in 
the Builtins_Time testcase:

External( func:add-dayTimeDuration-to-date("2004-10-30Z"^^xs:date 
"P2DT2H30M0S"^^xs:dayTimeDuration ) ) = "2004-11-01"^^xs:date

I think the fix is to change 2004-11-01 to 2004-11-01Z

Stella Mitchell wrote:
> I changed those three lines in the Builtins_Time testcase and changed 
> the status from Approved to Proposed.
>  
> Stella
>
> On Mon, Mar 22, 2010 at 3:40 PM, Gary Hallmark 
> <gary.hallmark@oracle.com <mailto:gary.hallmark@oracle.com>> wrote:
>
>     Hi Stella,
>
>     I agree with your changes. Thanks.
>
>     Stella Mitchell wrote:
>
>         Gary,
>          Thank you for finding these bugs.  I would make the following
>         changes to your answers. Do you agree?
>          On Tue, Mar 16, 2010 at 6:57 PM, Gary Hallmark
>         <gary.hallmark@oracle.com <mailto:gary.hallmark@oracle.com>
>         <mailto:gary.hallmark@oracle.com
>         <mailto:gary.hallmark@oracle.com>>> wrote:
>
>
>            External( func:subtract-dateTimes(
>            "2000-10-30T06:12:00Z"^^xs:dateTime
>            "1999-11-28T09:00:00Z"^^xs:dateTime) ) =
>            "P337DT21H12M"^^xs:dayTimeDuration
>            External( func:subtract-dates( "2000-10-30"^^xs:date
>            "1999-11-28"^^xs:date ) ) = "P338D"^^xs:dayTimeDuration
>            External( func:subtract-times( "11:12:00Z"^^xs:time
>            "04:00:00Z"^^xs:time ) ) = "PT7H12M"^^xs:dayTimeDuration
>
>          External( func:subtract-dateTimes(
>         "2000-10-30T06:12:00*-05:00*"^^xs:dateTime
>         "1999-11-28T09:00:00Z"^^xs:dateTime) ) =
>         "P337DT*2*H12M"^^xs:dayTimeDuration
>
>               (This was the original intent, I think, to match the
>         example given at the end of
>         http://www.w3.org/TR/xpath-functions/#func-subtract-dateTimes
>         , and it adds some variety to the subtract-times line where
>         both arguments have the same timezone
>          
>         External( func:subtract-dates( "2000-10-30*Z*"^^xs:date
>         "1999-11-28*Z*"^^xs:date ) ) = "P*337*D"^^xs:dayTimeDuration
>
>               (Adding Z because RIF DTB requires explicit timezones.
>          Check your count of the duration from the first instant of
>         1999-11-28 to the first instant of 2000-10-30? and take into
>         account that the first example at the end of
>         http://www.w3.org/TR/xpath-functions/#func-subtract-dates says
>         337 is the right answer)
>          Stella  On Tue, Mar 16, 2010 at 6:57 PM, Gary Hallmark
>         <gary.hallmark@oracle.com <mailto:gary.hallmark@oracle.com>
>         <mailto:gary.hallmark@oracle.com
>         <mailto:gary.hallmark@oracle.com>>> wrote:
>
>            In the BuiltinsTime test case, I think the following
>
>            External( func:subtract-dateTimes(
>            "2000-10-30T06:12:00"^^xs:dateTime
>            "1999-11-28T09:00:00Z"^^xs:dateTime) ) =
>            "P337DT2H12M"^^xs:dayTimeDuration
>            External( func:subtract-dates( "2000-10-30"^^xs:date
>            "1999-11-28"^^xs:date ) ) = "P337D"^^xs:dayTimeDuration
>            External( func:subtract-times( "11:12:00Z"^^xs:time
>            "04:00:00"^^xs:time ) ) = "PT2H12M"^^xs:dayTimeDuration
>
>            should be changed to
>
>            External( func:subtract-dateTimes(
>            "2000-10-30T06:12:00Z"^^xs:dateTime
>            "1999-11-28T09:00:00Z"^^xs:dateTime) ) =
>            "P337DT21H12M"^^xs:dayTimeDuration
>            External( func:subtract-dates( "2000-10-30"^^xs:date
>            "1999-11-28"^^xs:date ) ) = "P338D"^^xs:dayTimeDuration
>            External( func:subtract-times( "11:12:00Z"^^xs:time
>            "04:00:00Z"^^xs:time ) ) = "PT7H12M"^^xs:dayTimeDuration
>
>
>
>
>
>
>
Received on Saturday, 3 April 2010 04:00:02 GMT

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