| // 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-generatorfunction |
| description: Definition of instance `prototype` property |
| info: | |
| [...] |
| 3. Return CreateDynamicFunction(C, NewTarget, "generator", args). |
| |
| 19.2.1.1.1 Runtime Semantics: CreateDynamicFunction |
| |
| [...] |
| 27. If kind is "generator", then |
| a. Let prototype be ObjectCreate(%GeneratorPrototype%). |
| b. Perform DefinePropertyOrThrow(F, "prototype", |
| PropertyDescriptor{[[Value]]: prototype, [[Writable]]: true, |
| [[Enumerable]]: false, [[Configurable]]: false}). |
| [...] |
| includes: [propertyHelper.js] |
| features: [generators] |
| ---*/ |
| |
| var GeneratorFunction = Object.getPrototypeOf(function*() {}).constructor; |
| |
| var instance = GeneratorFunction(); |
| |
| assert.sameValue(typeof instance.prototype, 'object'); |
| assert.sameValue( |
| Object.getPrototypeOf(instance.prototype), |
| Object.getPrototypeOf(instance).prototype |
| ); |
| |
| verifyNotEnumerable(instance, 'prototype'); |
| verifyWritable(instance, 'prototype'); |
| verifyNotConfigurable(instance, 'prototype'); |