test262/test/built-ins/Proxy/get-fn-realm.js

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JavaScript

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-getfunctionrealm
es6id: 7.3.22
description: >
The realm of a proxy exotic object is the realm of its target function
info: |
[...]
2. If obj has a [[Realm]] internal slot, then
a, Return obj's [[Realm]] internal slot.
3. If obj is a Bound Function exotic object, then
[...]
4. If obj is a Proxy exotic object, then
a. If the value of the [[ProxyHandler]] internal slot of obj is null,
throw a TypeError exception.
b. Let proxyTarget be the value of obj's [[ProxyTarget]] internal slot.
c. Return ? GetFunctionRealm(proxyTarget).
features: [cross-realm]
---*/
var other = $262.createRealm().global;
var C = new other.Function();
// Ensure that the proxy does not report a `prototype` property
var P = new Proxy(C, { get: function() {} });
assert.sameValue(Object.getPrototypeOf(new P()), other.Object.prototype);