| // Copyright (C) 2019 Leo Balter. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: > |
| Evaluate Await expression for IfStatement |
| info: | |
| ModuleItem: |
| StatementListItem[~Yield, +Await, ~Return] |
| |
| ... |
| |
| UnaryExpression[Yield, Await] |
| [+Await]AwaitExpression[?Yield] |
| |
| AwaitExpression[Yield]: |
| await UnaryExpression[?Yield, +Await] |
| esid: prod-AwaitExpression |
| flags: [module, async] |
| features: [top-level-await] |
| ---*/ |
| |
| var values = []; |
| var p = Promise.resolve().then(() => { |
| // Replaces p! |
| p = Promise.resolve().then(() => { |
| p = Promise.resolve().then(() => { |
| values.push(3); |
| return false; |
| }); |
| |
| values.push(2); |
| return true; |
| }) |
| |
| values.push(1); |
| |
| return true; |
| }); |
| |
| while (await p) {} |
| |
| assert.sameValue(values.length, 3); |
| assert.sameValue(values[0], 1); |
| assert.sameValue(values[1], 2); |
| assert.sameValue(values[2], 3); |
| |
| $DONE(); |