| // 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 (astral symbols) |
| info: | |
| String literals should be able to be traversed using a `for...of` loop. The |
| loop body should execute once for each astral symbol. |
| es6id: 13.6.4 |
| ---*/ |
| |
| var string = 'a\ud801\udc28b\ud801\udc28'; |
| var first = 'a'; |
| var second = '𐐨'; |
| var third = 'b'; |
| var fourth = '𐐨'; |
| |
| 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); |
