NodeUnit equalArrayitems

explicit.coffee

equalArrayItems = (actual, expected) ->
  test.ok actual instanceof Array
  test.ok expected instanceof Array
  test.equals actual.length, expected.length
  # Loop 1: All values of "expected" MUST be in "actual".
  for item in expected
    test.ok actual.indexOf(item) > -1
  # Loop 2: All values of "actual" MUST be in "expected".
  for item in actual
    test.ok expected.indexOf(item) > -1

equalArrayItems array1, array2

implicit.coffee

equalArrayItems = (actual, expected) ->
  return false unless actual instanceof Array
  return false unless expected instanceof Array
  return false if actual.length isnt expected.length
  # Loop 1: All values of "expected" MUST be in "actual".
  return false if (item for item in expected when actual.indexOf(item) > -1).length isnt expected.length
  # Loop 2: All values of "actual" MUST be in "expected".
  return false if (item for item in actual when expected.indexOf(item) > -1).length isnt actual.length
  true

test.ok equalArrayItems array1, array2