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// Copyright (C) 2021 Alexey Shvayka. All rights reserved.
// This code is governed by the license found in the LICENSE file.
/*---
esid: sec-object.assign
description: >
[[Set]] to accessor property of frozen `target` succeeds.
info: |
SetIntegrityLevel ( O, level )
[...]
3. Let status be ? O.[[PreventExtensions]]().
[...]
7. Else,
a. Assert: level is frozen.
b. For each element k of keys, do
i. Let currentDesc be ? O.[[GetOwnProperty]](k).
ii. If currentDesc is not undefined, then
1. If IsAccessorDescriptor(currentDesc) is true, then
a. Let desc be the PropertyDescriptor { [[Configurable]]: false }.
[...]
3. Perform ? DefinePropertyOrThrow(O, k, desc).
8. Return true.
Object.assign ( target, ...sources )
[...]
3. For each element nextSource of sources, do
a. If nextSource is neither undefined nor null, then
[...]
iii. For each element nextKey of keys, do
1. Let desc be ? from.[[GetOwnProperty]](nextKey).
2. If desc is not undefined and desc.[[Enumerable]] is true, then
[...]
b. Perform ? Set(to, nextKey, propValue, true).
OrdinarySetWithOwnDescriptor ( O, P, V, Receiver, ownDesc )
[...]
7. Perform ? Call(setter, Receiver, « V »).
8. Return true.
features: [Symbol]
---*/
var value1 = 1;
var target1 = {
set foo(val) { value1 = val; },
};
Object.freeze(target1);
Object.assign(target1, { foo: 2 });
assert.sameValue(value1, 2);
var sym = Symbol();
var value2 = 1;
var target2 = Object.freeze({
set [sym](val) { value2 = val; },
});
Object.freeze(target2);
Object.assign(target2, { [sym]: 2 });
assert.sameValue(value2, 2);
reportCompare(0, 0);
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