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// 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 target 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.
b. If Type(Receiver) is not Object, return false.
c. Let existingDescriptor be Receiver.[[GetOwnProperty]](P).
d. ReturnIfAbrupt(existingDescriptor).
e. If existingDescriptor is not undefined, then
i. If IsAccessorDescriptor(existingDescriptor) is true, return false.
ii. If existingDescriptor.[[Writable]] is false, return false.
...
features: [Reflect, Reflect.set]
---*/
var o1 = {};
var receiver = {};
Object.defineProperty(receiver, 'p', {
writable: false,
value: 42
});
var result = Reflect.set(o1, 'p', 43, receiver);
assert.sameValue(result, false, 'returns false');
assert.sameValue(receiver.p, 42, 'does not set a new value on receiver');
assert.sameValue(
o1.hasOwnProperty('p'), false,
'does not set a new value on target'
);
reportCompare(0, 0);
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