| // Copyright (C) 2014 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 21.1.5.2.1 |
| description: > |
| Iteration should visit each UTF-8 code point exactly once. |
| features: [Symbol.iterator] |
| ---*/ |
| |
| var string = "abc"; |
| var iterator = string[Symbol.iterator](); |
| var result; |
| |
| result = iterator.next(); |
| assert.sameValue(result.value, 'a', 'First result `value`'); |
| assert.sameValue(result.done, false, 'First result `done` flag'); |
| |
| result = iterator.next(); |
| assert.sameValue(result.value, 'b', 'Second result `value`'); |
| assert.sameValue(result.done, false, 'Second result `done` flag'); |
| |
| result = iterator.next(); |
| assert.sameValue(result.value, 'c', 'Third result `value`'); |
| assert.sameValue(result.done, false, 'Third result `done` flag'); |
| |
| result = iterator.next(); |
| assert.sameValue(result.value, undefined, 'Exhausted result `value`'); |
| assert.sameValue(result.done, true, 'Exhausted result `done` flag'); |
| |
| result = iterator.next(); |
| assert.sameValue( |
| result.value, undefined, 'Exhausted result `value` (repeated request)' |
| ); |
| assert.sameValue( |
| result.done, true, 'Exhausted result `done` flag (repeated request)' |
| ); |
