| // 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-properties-of-the-object-prototype-object |
| description: > |
| Object.prototype is still extensible and may have extensions prevented |
| info: | |
| 19.1.3 Properties of the Object Prototype Object |
| |
| The value of the [[Prototype]] internal slot of the Object prototype object is |
| null and the initial value of the [[Extensible]] internal slot is true. |
| ---*/ |
| |
| assert( |
| Object.isExtensible(Object.prototype), |
| "Object.prototype is extensible" |
| ); |
| |
| assert.sameValue( |
| Object.preventExtensions(Object.prototype), |
| Object.prototype, |
| "Object.prototype may have extensions prevented" |
| ); |
| |
| assert.sameValue( |
| Object.isExtensible(Object.prototype), |
| false, |
| "Object.prototype is not extensible after a preventExtensions operation" |
| ); |
