// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 19.1.2.1 description: Errors thrown during retrieval of source object attributes info: > [...] 5. For each element nextSource of sources, in ascending index order, [...] c. Repeat for each element nextKey of keys in List order, [...] iii. if desc is not undefined and desc.[[Enumerable]] is true, then 1. Let propValue be Get(from, nextKey). 2. ReturnIfAbrupt(propValue). ---*/ var source = { get attr() { throw new Test262Error(); } }; assert.throws(Test262Error, function() { Object.assign({}, source); });