test/built-ins/Proxy/get/trap-is-undefined-receiver.js


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// Copyright (C) 2016 Aleksey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.5.8
esid: sec-proxy-object-internal-methods-and-internal-slots-get-p-receiver
description: >
    Pass to target's [[Get]] correct receiver if trap is missing
info: |
    [[Get]] (P, Receiver)

    7. If trap is undefined, then
        a. Return ? target.[[Get]](P, Receiver).
---*/

var target = {
    get attr() {
        return this;
    }
};

var p = new Proxy(target, { get: null });
assert.sameValue(p.attr, p);

var pParent = Object.create(new Proxy(target, {}));
assert.sameValue(pParent.attr, pParent);