| // 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'); |