Youre expecting a string right? What happens if you do toString() on it first?
On 6/22/05, Jeff Anderson <[EMAIL PROTECTED]> wrote:
> based off of that last test i do not believe it is an issue with "NaN" or
> "1" but rather the way the IS operator does its comparisons
>
>
>
> On 6/22/05, Bill Rawlinson <[EMAIL PROTECTED]> wrote:
> > I tested this on CFMX 6.1 and have the same behavior.
> >
> > I expanded your test some to do a getMetaData. Here is my test and I
> > put the result of each cfoutput block to the right in parentheses.
> >
> >
> > <cfset s = "NaN">
> >
> > <cfoutput>
> > #getMetaData(s)#<br> (class java.lang.String)
> > #getMetaData("1")#<br> (class java.lang.String)
> > </cfoutput>
> >
> > <cfset s = "one">
> > <cfset test = (s is "1")>
> > <cfoutput>#test# - #getMetaData(s)#</cfoutput><br> (NO
> class java.lang.String )
> >
> > <cfset s = "NaN">
> > <cfset test = (s is "one")>
> > <cfoutput>#test# - #getMetaData(s)#</cfoutput><br> (NO class
> java.lang.String)
> >
> > <cfset s = "NaN">
> > <cfset test = (s is "1")>
> > <cfoutput>#test#</cfoutput><br> ( The value "NaN" cannot
> be converted
> > to a number)
> >
> >
> > wierd stuff
> > Bill
> >
> >
> > On 6/22/05, Roland Collins < [EMAIL PROTECTED]> wrote:
> > > I'm seeing a very odd and very troubling behavior in CF, which I'm
> hoping
> > > someone can shed some light on or just confirm the oddity. It appears
> that
> > > "NaN" is a reserved word in CF, presumably because it is the "Not a
> Number"
> > > constant in Java", even though it shouldn't be. Dump this code in a
> page
> > > and try it in CF (I'm using 7):
> > >
> > > <cfset s = "one">
> > > <cfset test = (s is "1")>
> > > <cfoutput>#test#</cfoutput>
> > >
> > > <cfset s = "NaN">
> > > <cfset test = (s is "one")>
> > > <cfoutput>#test#</cfoutput>
> > >
> > > <cfset s = "NaN">
> > > <cfset test = (s is "1")>
> > > <cfoutput>#test#</cfoutput>
> > >
> > > Now, I would _expect_ the code to generate "No No No". But guess what
> > > happens . . . The first two statements work fine, but the third one
> throws a
> > > *type conversion* error. More specifically, it throws "The value "NaN"
> > > cannot be converted to a number".
> > >
> > > Type-less language, my backside! Why is it trying to do a number
> conversion
> > > here? I even have the "1" in quotes, for Pete's sake. It doesn't even
> work
> > > if I add spaces around it, as in " NaN " or " 1 ". And it gets even
> > > _sloppier_ . . . this only occurs if you use the capitalization "NaN".
> > > "NAN", "Nan", "nan", etc. work just fine. Since when is CF
> > > case-sensitive??!?!?!
> > >
> > > Now here's why it's a problem - "NAN" is a perfectly valid user-input
> > > statement in our system (think stock symbols). So now whenever we
> perform
> > > user-validation, we have to have a special filter for "NaN" and make
> sure it
> > > is converted to either all upper or all lower case!
> > >
> > > Does anyone else find this frightening?
> > >
> > > Does anyone know where the link to report CF bugs went?
> > >
> > > Roland
> > >
> > >
> > >
> > >
> > >
> > >
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> >
> > --
> > [EMAIL PROTECTED]
> > http://blog.rawlinson.us
> >
> > If you want Gmail - just ask.
> >
> >
> >
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