Test::Unit::TestCase(2)

修正後。

require "test/unit"

class RubycoTest < Test::Unit::TestCase
  def test_rubyco
    testval = "Expected"
    assert_equal "Expected", testval, "Simple string test."
  end

  def test_rubycoadd
    z = 3 + 4
    assert_equal 7, z, "Simple '+' test."
  end
end

実行すると。

Loaded suite rubyco
Started
..
Finished in 0.0 seconds.

2 tests, 2 assertions, 0 failures, 0 errors