| // Copyright (C) 2014 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-%arrayiteratorprototype%.next |
| description: > |
| Prior to being exhausted, iterators for mapped arguments exotic objects |
| should honor the insertion of additional argument values. |
| flags: [noStrict] |
| features: [Symbol.iterator] |
| ---*/ |
| |
| (function(a, b, c) { |
| var iterator = arguments[Symbol.iterator](); |
| var result; |
| |
| iterator.next(); |
| iterator.next(); |
| |
| arguments.length = 4; |
| arguments[3] = 5; |
| |
| result = iterator.next(); |
| result = iterator.next(); |
| assert.sameValue(result.value, 5, 'New result `value`'); |
| assert.sameValue(result.done, false, 'New result `done` flag'); |
| |
| result = iterator.next(); |
| assert.sameValue(result.value, undefined, 'Exhausted result `value`'); |
| assert.sameValue(result.done, true, 'Exhausted result `done` flag'); |
| }(2, 1, 3)); |