ranges.rb

require "minitest/autorun"

class RangeTest < Minitest::Test
  def test_ranges
    assert 2.between? 0,5
    assert (0..5).include? 2
    assert (0..5).include? 0
    assert (0..5).include? 5
    assert (0...5).include? 0
    refute (0...5).include? 5
    assert 0..5 <=> 2
    assert (0..5) === 2
    assert (0..5).include? 0.1
    assert (0..5).include? 4.99999999
    assert (0..5).include? 5.0
    assert (0.0..5.0).include? 5.0
    assert (0.0..5.0).include? 0.0000001
    assert (0.0..5.0).include? 0
  end
end