require_relative 'main' require 'test/unit' class TestNumSpecial < Test::Unit::TestCase def test_simple assert_equal(1, num_special([[1, 0, 0], [0, 0, 1], [1, 0, 0]])) end def test_multiple assert_equal(3, num_special([[1, 0, 0], [0, 1, 0], [0, 0, 1]])) end end