AT END MISSING "}"




// FUNCTION DEFINITION(S)
function map(array, callbackFunction) {
  var newArray = [];

  for (var i = 0; i < array.length; i++) {
    var element = array[i];
    newArray = newArray + callbackFunction(element);
  }

  return newArray;
}

function cubeAll(numbers) {
  return map(numbers, function(n) {
    return n * n;
  });
}

// ASSERTION FUNCTION(S) TO BE USED
function assertArraysEqual(actual, expected, testName){
  var hasSameVal = true;
  for(var i = 0; i < actual.length; i++){
    if(actual[i]!== expected[i]){
      hasSameVal === false;
      break;
    }
  }
  var SameLength = actual.length === expected.length;
  if(hasSameVal && SameLength){
    console.log('Passed');
  } else{
    console.log('FAILED ['+testName+ '] Expected ' +expected+' , but got '+actual);
  }
}

// TESTS CASES

function addOne(val){
  return val + 1;
}
var inputForMap = [1, 2, 3];
var actualMap  = map[inputForMap, addOne];
var expectedMap =[2, 3, 4]
assertArraysEqual(actualMap, expectedMap, "should correctly map elements of an array");