require "minitest/autorun"

require "laboratories"

class TestLaboratories < Minitest::Test
  def test_split_count
    lab = Laboratories.for <<-END
.......S.......
...............
.......^.......
...............
......^.^......
...............
.....^.^.^.....
...............
....^.^...^....
...............
...^.^...^.^...
...............
..^...^.....^..
...............
.^.^.^.^.^...^.
...............
END
    assert_equal(21, lab.split_count)
  end
end

class TestLayer < Minitest::Test
  def test_split_beams
    layer = Laboratories::Layer.for(".S.")
    assert_equal([[false, true, false], 0], layer.split_beams([false, false, false]))

    layer = Laboratories::Layer.for("..")
    assert_equal([[true, false], 0], layer.split_beams([true, false]))

    layer = Laboratories::Layer.for(".^.")
    assert_equal([[true, false, true], 1], layer.split_beams([false, true, false]))

    layer = Laboratories::Layer.for("^.^")
    assert_equal([[false, true, false], 0], layer.split_beams([false, true, false]))
    assert_equal([[false, true, false], 2], layer.split_beams([true, false, true]))
  end
end