Ruby lacks exclusive between

exclusive_between.rb

require 'minitest/autorun'

class TestExclusiveBetween < Minitest::Test
  def assert_between min, max, value
    # Fill in here
  end

  def refute_between min, max, value
    # Fill in here
  end

  def test_number_between_min_and_max
    assert_between 0.0, 1.0, 0.4
  end

  def test_maximum_is_included
    assert_between 0.0, 1.0, 1.0
  end

  def test_just_a_little_above_minimum_is_included
    assert_between 0.0, 1.0, Float::EPSILON
  end

  def test_minimum_is_excluded
    refute_between 0.0, 1.0, 0.0
  end

  def test_above_max_is_excluded
    refute_between 0.0, 1.0, 2.0
  end

  def test_just_a_little_above_maximum_is_excluded
    refute_between 0.0, 1.0, 1.0+Float::EPSILON
  end

end