gistfile1.txt

require 'minitest/autorun'
require 'minitest/pride'
require './array.rb'

class OddArray
  def initialize(array)
    @array = array
  end

  def to_a
    @array.reject {|num| num % 2 == 0}
  end

  def add(num)
    if num % 2 == 1
      @array << num
    else
      @array
    end
  end

end

OddArray.new([1, 3, 5])



class CompositionChallenge < MiniTest::Test

  def test_class_exists
    assert OddArray
  end

  def test_initializer_takes_array_parameter
    assert OddArray.new([1, 3, 5])
  end

  def test_to_a
    odd_array = OddArray.new([1, 3, 5])
    assert_equal [1, 3, 5], odd_array.to_a
  end

  def test_add_number
    odd_array = OddArray.new([1, 3, 5])
    odd_array.add(7)
    assert_equal [1, 3, 5, 7], odd_array.to_a
  end

  def test_initialize_with_evens
    odd_array = OddArray.new([1, 2, 3, 4, 5])
    assert_equal [1, 3, 5], odd_array.to_a
  end

  def test_add_evens
    odd_array = OddArray.new([1, 3, 5])
    odd_array.add(2)
    assert_equal [1, 3, 5], odd_array.to_a
  end

  def test_add_negatives
    odd_array = OddArray.new([-1, -2, 3, 4, -5])
    odd_array.add(-4)
    assert_equal [-1, 3, -5], odd_array.to_a
  end

end