#!/usr/bin/env ruby require "test/unit" require "tri2.rb" require "rubygems" require "ruby-debug" Byebug.start class TestTri < Test::Unit::TestCase def test_basic byebug solutions = [] 0.upto(5) do |i| solutions << triangle(i) end assert_equal([0, 1, 3, 6, 10, 15], solutions, "Testing the first 5 triangle numbers") end end