On Mon, Nov 23, 2009 at 11:10 AM, Rob Biedenharn
<Rob@agileconsultingllc.com> wrote:
> On Nov 22, 2009, at 1:51 AM, lith wrote:
>>> http://gist.github.com/240457
>>
>> Both of your tests use rather small input sets. It would be
>> interesting to know how the solutions deal with input that contains
>> many (10, 50, 100, ....) sets and/or many different signs (not just
>> letters).
>
> I accept your challenge! =A0The gist has been updated with sets that use
> numbers and symbols as well as strings. =A0There are also some tests of l=
arge
> sets (which worked fine, but getting the test setup by hand was nasty).

Thanks.

> ruby1.8 -v -rubygems distinct_sets_test.rb
ruby 1.8.7 (2009-06-12 patchlevel 174) [i486-linux]
/var/lib/gems/1.8/gems/shoulda-2.10.2/lib/shoulda/context.rb:4:
warning: method redefined; discarding old contexts
Loaded suite distinct_sets_test
Started
..................EEE.....
Finished in 3.424045 seconds.

1) Error:
test: non-uniform contents should handle matching on symbols.
(DistinctSetsTest):
ArgumentError: comparison of String with :bill failed
./distinct_sets.rb:7:in `sort'

2) Error:
test: non-uniform contents should handle mix of strings and symbols
(matching on string). (DistinctSetsTest):
ArgumentError: comparison of String with :bill failed
./distinct_sets.rb:7:in `sort'

3) Error:
test: non-uniform contents should handle mix of strings, numbers, and
symbols. (DistinctSetsTest):
ArgumentError: comparison of Fixnum with :emergency failed
./distinct_sets.rb:7:in `sort'

26 tests, 175 assertions, 0 failures, 3 errors

> The only change that I has to make was in how I sorted the final array to
> account for symbols or mixed contents: Numerics compare "naturally" with =
<=3D>
> and non-numeric or mixed are compared using the #to_s representation.

Simply not sorting:

26 tests, 202 assertions, 17 failures, 0 errors

Simply sort_by{to_s}:

26 tests, 202 assertions, 3 failures, 0 errors

More complex sort{}:

26 tests, 202 assertions, 0 failures, 0 errors