| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-array.from |
| es6id: 22.1.2.1 |
| description: > |
| Error creating object with custom constructor (traversed via iterator) |
| info: | |
| [...] |
| 6. If usingIterator is not undefined, then |
| a. If IsConstructor(C) is true, then |
| i. Let A be Construct(C). |
| b. Else, |
| i. Let A be ArrayCreate(0). |
| c. ReturnIfAbrupt(A). |
| features: [Symbol.iterator] |
| ---*/ |
| |
| var C = function() { |
| throw new Test262Error(); |
| }; |
| var items = {}; |
| items[Symbol.iterator] = function() {}; |
| |
| assert.throws(Test262Error, function() { |
| Array.from.call(C, items); |
| }); |
