covers 'facets/integer/even'

# NOTE: Can't test on Integer directly b/c Ruby 1.8.7 defines separate
# methods for Fixnum. (huh?)
test_case Fixnum do

  method :even? do

    test "even numbers are even" do
      (-100..100).step(2) do |n|
        n.even?.assert == true
      end
    end

    test "odd numbers are not even" do
      (-101..101).step(2) do |n|
        n.even?.assert == false
      end
    end

  end

end