| // Copyright (C) 2015 the V8 project authors. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| description: String traversal using for..of (incomplete surrogate pairs) | |
| info: > | |
| String literals should be able to be traversed using a `for...of` loop. The | |
| loop body should execute once for each incomplete surrogate pair. | |
| es6id: 13.6.4 | |
| ---*/ | |
| var string = 'a\ud801b\ud801'; | |
| var first = 'a'; | |
| var second = '\ud801'; | |
| var third = 'b'; | |
| var fourth = '\ud801'; | |
| var iterationCount = 0; | |
| for (var value of string) { | |
| assert.sameValue(value, first); | |
| first = second; | |
| second = third; | |
| third = fourth; | |
| fourth = null; | |
| iterationCount += 1; | |
| } | |
| assert.sameValue(iterationCount, 4); |