| // Copyright 2016 Microsoft, Inc. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| author: Brian Terlson <brian.terlson@microsoft.com> |
| esid: sec-async-function-instances-length |
| description: > |
| Async functions have a length property that is the number of expected |
| arguments. |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| async function l0() {} |
| async function l1(a) {} |
| async function l2(a, b) {} |
| assert.sameValue(l0.length, 0); |
| assert.sameValue(l1.length, 1); |
| assert.sameValue(l2.length, 2) |
| |
| verifyNotWritable(l0, 'length'); |
| verifyNotEnumerable(l0, 'length'); |
| verifyConfigurable(l0, 'length'); |