| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 26.1.3 |
| description: > |
| Return boolean result of the property definition. |
| info: | |
| 26.1.3 Reflect.defineProperty ( target, propertyKey, attributes ) |
| |
| ... |
| 6. Return target.[[DefineOwnProperty]](key, desc). |
| features: [Reflect] |
| ---*/ |
| |
| var o = {}; |
| |
| o.p1 = 'foo'; |
| assert.sameValue(Reflect.defineProperty(o, 'p1', {}), true); |
| assert.sameValue(o.hasOwnProperty('p1'), true); |
| |
| assert.sameValue(Reflect.defineProperty(o, 'p2', { |
| value: 42 |
| }), true); |
| assert.sameValue(o.hasOwnProperty('p2'), true); |
| |
| Object.freeze(o); |
| |
| assert.sameValue(Reflect.defineProperty(o, 'p2', { |
| value: 43 |
| }), false); |
| assert.sameValue(o.p2, 42); |
| |
| assert.sameValue(Reflect.defineProperty(o, 'p3', {}), false); |
| assert.sameValue(o.hasOwnProperty('p4'), false); |
| |
| assert.sameValue(Reflect.defineProperty(o, 'p4', { |
| value: 1 |
| }), false); |
| assert.sameValue(o.hasOwnProperty('p4'), false); |