// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
  description: >
      Array instances should be able to be traversed using a `for...of` loop.
  es6id: 13.6.4
---*/

var array = [0, 'a', true, false, null, /* hole */, undefined, NaN];
var i = 0;

for (var value of array) {
  assert.sameValue(value, array[i], 'element at index ' + i);
  i++;
}

assert.sameValue(i, 8, 'Visits all elements');
