| // 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: 22.1.3.4 |
| ---*/ |
| |
| var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; |
| var i = 0; |
| |
| for (var value of array.entries()) { |
| assert.sameValue( |
| value[0], i, 'element at index ' + i + ': value (array key)' |
| ); |
| assert.sameValue( |
| value[1], array[i], 'element at index ' + i + ': value (array value)' |
| ); |
| assert.sameValue( |
| value.length, 2, 'element at index ' + i + ': value (array length)' |
| ); |
| i++; |
| } |
| |
| assert.sameValue(i, 8, 'Visits all elements'); |
