Half the tests are successful without implementing the method!  Do I get
part marks? ;)

If you wanted to tighten this, there should be methods assert_true and
assert_false at your disposal.

Gavin


> Hello --
>
> Coding Challenge 0002 (my numbering scheme :-) has been posted to
> <http://www.rubygarden.org/ruby?CodingChallenge0002>.
>
> [...]