Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | assertThrows(function() { |
| 6 | Object.getOwnPropertyDescriptor(null, 'x'); |
| 7 | }, TypeError); |
| 8 | |
| 9 | |
| 10 | assertThrows(function() { |
| 11 | Object.getOwnPropertyDescriptor(undefined, 'x'); |
| 12 | }, TypeError); |
| 13 | |
| 14 | |
| 15 | assertEquals({ |
| 16 | configurable: false, |
| 17 | enumerable: false, |
| 18 | value: 3, |
| 19 | writable: false, |
| 20 | }, Object.getOwnPropertyDescriptor('abc', 'length')); |
| 21 | |
| 22 | |
| 23 | assertEquals({ |
| 24 | configurable: false, |
| 25 | enumerable: true, |
| 26 | value: 'a', |
| 27 | writable: false, |
| 28 | }, Object.getOwnPropertyDescriptor('abc', 0)); |
| 29 | |
| 30 | |
| 31 | assertSame(undefined, Object.getOwnPropertyDescriptor(42, 'x')); |
| 32 | assertSame(undefined, Object.getOwnPropertyDescriptor(true, 'x')); |
| 33 | assertSame(undefined, Object.getOwnPropertyDescriptor(false, 'x')); |
| 34 | assertSame(undefined, Object.getOwnPropertyDescriptor(Symbol(), 'x')); |