| // Copyright 2019 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| var arr = [0, 1]; |
| |
| assertThrows( |
| () => Object.defineProperty(arr, 'length', {value: 1, configurable: true}), |
| TypeError); |
| assertEquals(2, arr.length); |
| |
| assertThrows( |
| () => Object.defineProperty(arr, 'length', {value: 2, configurable: true}), |
| TypeError); |
| assertEquals(2, arr.length); |
| |
| assertThrows( |
| () => Object.defineProperty(arr, 'length', {value: 3, configurable: true}), |
| TypeError); |
| assertEquals(2, arr.length); |