# File karel/test_robots.rb, line 129 def test_neighbors @charlie = Robot.new(3, 3, Robota::EAST, 0) @mary = Robot.new(3, 3, Robota::NORTH, 1) val = @karel.neighbors.each{|neighbor| puts neighbor.to_s} assert_equal("Array", val.class.to_s) assert_equal(2, val.length) @world.assert_robots_at(3, 3) assert_raise(NoBeepers){@world.assert_beepers_at(3,3)} @world.place_beeper(3,3) @world.assert_beepers_at(3,3) assert(@charlie.next_to_a_robot?) @karel.assert_at(3, 3) end