# -*- coding: utf-8 -*-
require "minitest/autorun"
require "sixarm_ruby_ramp"

class MathTest < Minitest::Test

  def test_ln
    assert_equal(0.0,Math.ln(1.0))
    assert_equal(1.0,Math.ln(Math.exp(1.0)))
  end

  def test_logn
    assert_equal(1.0,Math.logn(3,3),'log of 3 base 3')
    assert_equal(2.0,Math.logn(9,3),'log of 9 base 3')
    assert_equal(3.0,Math.logn(27,3),'log of 27 base 3')
  end

end