| // Copyright 2019 Google, Inc. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: prod-OptionalExpression |
| description: > |
| optional chain on member expression in async context |
| info: | |
| Left-Hand-Side Expressions |
| OptionalExpression: |
| MemberExpression [PrimaryExpression literal] OptionalChain |
| features: [optional-chaining] |
| flags: [async] |
| ---*/ |
| |
| async function checkAssertions() { |
| assert.sameValue(await "hello"?.[0], 'h'); |
| assert.sameValue(await null?.a, undefined); |
| } |
| checkAssertions().then($DONE, $DONE); |