require 'minitest/autorun'
require_relative 'prime_factors'

class PrimeFactorsTest < Minitest::Test
  def test_1
    assert_equal [], PrimeFactors.for(1)
  end

  def test_2
    assert_equal [2], PrimeFactors.for(2)
  end

  def test_3
    assert_equal [3], PrimeFactors.for(3)
  end

  def test_4
    assert_equal [2, 2], PrimeFactors.for(4)
  end

  def test_6
    assert_equal [2, 3], PrimeFactors.for(6)
  end

  def test_8
    assert_equal [2, 2, 2], PrimeFactors.for(8)
  end

  def test_9
    assert_equal [3, 3], PrimeFactors.for(9)
  end

  def test_27
    assert_equal [3, 3, 3], PrimeFactors.for(27)
  end

  def test_625
    assert_equal [5, 5, 5, 5], PrimeFactors.for(625)
  end

  def test_901255
    assert_equal [5, 17, 23, 461], PrimeFactors.for(901_255)
  end

  def test_93819012551
    assert_equal [11, 9539, 894_119], PrimeFactors.for(93_819_012_551)
  end
end