| // 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-runtime-semantics-classdefinitionevaluation |
| es6id: 14.5.14 |
| description: > |
| The prototype of a null-extending class is %FunctionPrototype%, the prototype of |
| its "prototype" property is `null`. |
| info: | |
| Runtime Semantics: ClassDefinitionEvaluation |
| |
| [...] |
| 5. If ClassHeritageopt is not present, then |
| [...] |
| 6. Else, |
| [...] |
| b. Let superclass be the result of evaluating ClassHeritage. |
| [...] |
| e. If superclass is null, then |
| i. Let protoParent be null. |
| ii. Let constructorParent be the intrinsic object %FunctionPrototype%. |
| [...] |
| ---*/ |
| |
| class Foo extends null {} |
| |
| assert.sameValue(Object.getPrototypeOf(Foo.prototype), null); |
| assert.sameValue(Object.getPrototypeOf(Foo.prototype.constructor), Function.prototype); |
| assert.sameValue(Foo, Foo.prototype.constructor); |