| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-%typedarray%.from |
| description: Returns error produced by interpreting length property as a length |
| info: | |
| 22.2.2.1 %TypedArray%.from ( source [ , mapfn [ , thisArg ] ] ) |
| |
| ... |
| 7. Let len be ? ToLength(? Get(arrayLike, "length")). |
| ... |
| includes: [testTypedArray.js] |
| features: [TypedArray] |
| ---*/ |
| |
| var arrayLike = { length: {} }; |
| |
| arrayLike.length = { |
| valueOf: function() { |
| throw new Test262Error(); |
| } |
| }; |
| |
| testWithTypedArrayConstructors(function(TA) { |
| assert.throws(Test262Error, function() { |
| TA.from(arrayLike); |
| }); |
| }); |
