Dan Lancelot posted about a bug he was experiencing in CF 8, with Query of Queries.
I tried a little bit of code to replicate the bug in CF 7. In doing so, I came across the following bug in the RandRange function.
<cfset lower = -10> <cfset upper = -5> <cfoutput> <cfloop index="i" from="1" to="10"> #RandRange(lower, upper)#<br> </cfloop> </cfoutput>
What seemed to happen is, with negative numbers CF would add 1 to the value. So in the example above, I would only ever see values between -9 and -4. It would never display -10, and it would go beyond -5 up to -4. If you set both lower and upper = -5, it will display -4 ten times. If you set upper to -1, it will display zero some of the time.
If I’m right and not being stupid (always a possibility) this seems like a pretty major bug to me. According to the documentation, RandRange works between -2,147,483,648 and 2,147,483,647.
Wow – that is a biggy.
I’ve just tested this on cf7 and cf8 and I see the same behaviour on both.
Seems like CF isn’t great with negatives…
Is there an official location to post these bugs?
Comment by Dan Lancelot — July 23, 2008 @ 9:21 pm |
For Coldfusion, just:
http://www.adobe.com/cfusion/mmform/index.cfm?name=wishform
I’ve reported this one as a CF 7 bug, feel free to re-post it as a CF 8 bug if you like.
I think there was some talk of having a proper CF public bug tracker at some point, which would be ideal, as the current system is less than ideal. They already have this for Flex, Blaze DS and FlashPlayer ( http://bugs.adobe.com/ )
Comment by duncancumming — July 24, 2008 @ 2:01 am |