| // 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: > |
| Calls and return abrupt completion from custom constructor |
| info: | |
| 22.2.2.1 %TypedArray%.from ( source [ , mapfn [ , thisArg ] ] ) |
| |
| ... |
| 8. Let targetObj be ? TypedArrayCreate(C, «len»). |
| ... |
| |
| 22.2.4.6 TypedArrayCreate ( constructor, argumentList ) |
| |
| 1. Let newTypedArray be ? Construct(constructor, argumentList). |
| ... |
| includes: [testTypedArray.js] |
| features: [TypedArray] |
| ---*/ |
| |
| testWithTypedArrayConstructors(function(TA) { |
| var called = 0; |
| var ctor = function() { |
| called++; |
| throw new Test262Error(); |
| }; |
| |
| assert.throws(Test262Error, function() { |
| TA.from.call(ctor, []); |
| }); |
| |
| assert.sameValue(called, 1); |
| }); |
