Re: Does tcltest2.2 have a set equivalence-relation?

From: Bob Techentin (techentin.robert_at_mayo.edu)
Date: 10/02/03 

Date: Thu, 2 Oct 2003 10:53:16 -0500

"Cameron Laird" <claird@lairds.com> wrote
>
> In coding terms, the situation is this: suppose I write
> test array_names {Note that order isn't guaranteed} {
> set a(1) one_thing
> set a(2) another
> array names a
> } {1 2}
> What I *really* want the answer to be is "{1 2} OR {2 1}, that is,
call
> the lists equal if they're equal as 'sets' or 'bags' or
'collections'."
> Does tcltest give me a succinct way to express that?

Cameron,

It looks like you could use customMatch to define an out-of-order list
matching script, then use the -match switch on your test. I've never
tried it, but as I look at the docs, it appears to be one of those
enormously flexible options that is just dying to be exploited.

Or, if you want to solve just this specific case , just change the
test script to return [lsort [array names x]]. Throw in a -unique
flag if you want a 'bag' comparison.

Bob 

-- 
Bob Techentin                   techentin.robert@NOSPAMmayo.edu
Mayo Foundation                                 (507) 538-5495
200 First St. SW                            FAX (507) 284-9171
Rochester MN, 55901  USA            http://www.mayo.edu/sppdg/

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