| // Copyright (C) 2013 the V8 project authors. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| description: > | |
| The method should return a valid iterator that can be traversed using a | |
| `for...of` loop. | |
| es6id: 22.1.3.13 | |
| ---*/ | |
| var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; | |
| var i = 0; | |
| for (var value of array.keys()) { | |
| assert.sameValue(value, i, 'element at index ' + i); | |
| i++; | |
| } | |
| assert.sameValue(i, 8, 'Visits all elements'); |