// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 19.4.2.3 description: Property descriptor info: | This property has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }. includes: [propertyHelper.js] features: [Symbol.isConcatSpreadable] ---*/ assert.sameValue(typeof Symbol.isConcatSpreadable, 'symbol'); verifyNotEnumerable(Symbol, 'isConcatSpreadable'); verifyNotWritable(Symbol, 'isConcatSpreadable'); verifyNotConfigurable(Symbol, 'isConcatSpreadable'); reportCompare(0, 0);