| // Copyright (C) 2018 Valerie Young. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-asyncgeneratorfunction |
| description: Definition of instance `prototype` property |
| info: | |
| AsyncGeneratorFunction ( p1, p2, … , pn, body ) |
| ... |
| 3. Return CreateDynamicFunction(C, NewTarget, "async generator", args). |
| |
| Runtime Semantics: CreateDynamicFunction |
| ... |
| 37. Else if kind is "async generator", then |
| a. Let prototype be ObjectCreate(%AsyncGeneratorPrototype%). |
| b. Perform DefinePropertyOrThrow(F, "prototype", |
| PropertyDescriptor{[[Value]]: prototype, [[Writable]]: true, |
| [[Enumerable]]: false, [[Configurable]]: false}). |
| ... |
| includes: [propertyHelper.js] |
| features: [async-iteration] |
| ---*/ |
| |
| var AsyncGeneratorFunction = Object.getPrototypeOf(async function* () {}).constructor; |
| |
| var instance = AsyncGeneratorFunction(); |
| |
| assert.sameValue(typeof instance.prototype, 'object'); |
| assert.sameValue( |
| Object.getPrototypeOf(instance.prototype), |
| Object.getPrototypeOf(instance).prototype |
| ); |
| |
| verifyProperty(instance, "prototype", { |
| enumerable: false, |
| writable: true, |
| configurable: false, |
| }); |
