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// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-proxy-object-internal-methods-and-internal-slots-set-p-v-receiver
description: >
If "set" trap is null or undefined, [[Set]] call is properly
forwarded to [[ProxyTarget]] (which is also a Proxy object).
info: |
[[Set]] ( P, V, Receiver )
[...]
5. Let target be O.[[ProxyTarget]].
6. Let trap be ? GetMethod(handler, "set").
7. If trap is undefined, then
a. Return ? target.[[Set]](P, V, Receiver).
features: [Proxy, Reflect]
---*/
var barValue;
var plainObject = {
get foo() {},
set bar(value) {
barValue = value;
},
};
var plainObjectTarget = new Proxy(plainObject, {});
var plainObjectProxy = new Proxy(plainObjectTarget, {});
plainObjectProxy.bar = 1;
assert.sameValue(barValue, 1);
assert.throws(TypeError, function() {
"use strict";
plainObjectProxy.foo = 2;
});
var regExp = /(?:)/g;
var regExpTarget = new Proxy(regExp, {});
var regExpProxy = new Proxy(regExpTarget, {});
assert(!Reflect.set(regExpProxy, "global", true));
regExpProxy.lastIndex = 1;
assert.sameValue(regExp.lastIndex, 1);
reportCompare(0, 0);