// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 26.1.13 description: > Return false if receiver is not writable. info: | 26.1.13 Reflect.set ( target, propertyKey, V [ , receiver ] ) ... 4. If receiver is not present, then a. Let receiver be target. 5. Return target.[[Set]](key, V, receiver). 9.1.9 [[Set]] ( P, V, Receiver) ... 5. If IsDataDescriptor(ownDesc) is true, then a. If ownDesc.[[Writable]] is false, return false. ... features: [Reflect, Reflect.set] ---*/ var o1 = {}; Object.defineProperty(o1, 'p', { writable: false, value: 42 }); var result = Reflect.set(o1, 'p', 43); assert.sameValue(result, false, 'returns false'); assert.sameValue(o1.p, 42, 'does not set a new value'); reportCompare(0, 0);