| // Copyright (C) 2021 Chengzhong Wu. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: Error constructor creates own properties in sequence |
| info: | |
| Error ( message [ , options ] ) |
| |
| ... |
| 4. Perform ? InstallErrorCause(O, options). |
| ... |
| |
| esid: sec-error-message |
| features: [error-cause] |
| includes: [deepEqual.js] |
| ---*/ |
| |
| var message = "my-message"; |
| var cause = { message: "my-cause" }; |
| |
| var sequence = []; |
| new Error( |
| { |
| toString() { |
| sequence.push("toString"); |
| return message; |
| }, |
| }, |
| { |
| get cause() { |
| sequence.push("cause"); |
| return cause; |
| }, |
| }, |
| ); |
| |
| assert.deepEqual(sequence, [ "toString", "cause" ], "accessing own properties on sequence"); |