| // Copyright 2019 Google, LLC. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| esid: prod-OptionalExpression | |
| description: > | |
| optional chain in test portion of do while statement | |
| info: | | |
| IterationStatement | |
| do Statement while (OptionalExpression) | |
| features: [optional-chaining] | |
| ---*/ | |
| let count = 0; | |
| const obj = {a: true}; | |
| do { | |
| count++; | |
| break; | |
| } while (obj?.a); | |
| assert.sameValue(1, count); |