require 'test/unit'
class TestRoman < Test::Unit::TestCase
NUMBERS = [
[ 1, "i" ], [ 2, "ii" ], [ 3, "iii" ],
[ 4, "iv"], [ 5, "v" ], [ 9, "ix" ]
]
def test_simple
NUMBERS.each do |arabic, roman|
r = arabic.to_s
assert_equal(roman, r.to_s)
end
end
end