| // Copyright 2015 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. |
| assertThrows(function() { |
| Object.getOwnPropertyDescriptor(null, 'x'); |
| assertThrows(function() { |
| Object.getOwnPropertyDescriptor(undefined, 'x'); |
| }, Object.getOwnPropertyDescriptor('abc', 'length')); |
| }, Object.getOwnPropertyDescriptor('abc', 0)); |
| assertSame(undefined, Object.getOwnPropertyDescriptor(42, 'x')); |
| assertSame(undefined, Object.getOwnPropertyDescriptor(true, 'x')); |
| assertSame(undefined, Object.getOwnPropertyDescriptor(false, 'x')); |
| assertSame(undefined, Object.getOwnPropertyDescriptor(Symbol(), 'x')); |