require 'minitest/autorun'
require_relative 'hamming'

# Common test data version: 2.2.0 4c453c8
class HammingTest < Minitest::Test
  def test_empty_strands
    ### task_id: 1
    # skip
    assert_equal 0, Hamming.compute('', '')
  end

  def test_single_letter_identical_strands
    ### task_id: 2
    # skip
    assert_equal 0, Hamming.compute('A', 'A')
  end

  def test_single_letter_different_strands
    ### task_id: 3
    # skip
    assert_equal 1, Hamming.compute('G', 'T')
  end
end

{
  "version": 3,
  "message": null,
  "status": "pass",
  "tests": [
    {
      "name": "Empty strands",
      "status": "pass",
      "task_id": 1,
      "test_code": "assert_equal 0, Hamming.compute('', '')"
    },
    {
      "name": "Single letter identical strands",
      "status": "pass",
      "task_id": 2,
      "test_code": "assert_equal 0, Hamming.compute('A', 'A')"
    },
    {
      "name": "Single letter different strands",
      "status": "pass",
      "task_id": 3,
      "test_code": "assert_equal 1, Hamming.compute('G', 'T')"
    }
  ]
}