test262/test/built-ins/Function/proto-from-ctor-realm.js

39 lines
1.1 KiB
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-function-p1-p2-pn-body
es6id: 19.2.1.1
description: Default [[Prototype]] value derived from realm of the newTarget
info: |
[...]
5. Return ? CreateDynamicFunction(C, NewTarget, "normal", args).
19.2.1.1.1 Runtime Semantics: CreateDynamicFunction
[...]
2. If kind is "normal", then
[...]
c. Let fallbackProto be "%FunctionPrototype%".
[...]
22. Let proto be ? GetPrototypeFromConstructor(newTarget, fallbackProto).
[...]
9.1.14 GetPrototypeFromConstructor
[...]
3. Let proto be ? Get(constructor, "prototype").
4. If Type(proto) is not Object, then
a. Let realm be ? GetFunctionRealm(constructor).
b. Let proto be realm's intrinsic object named intrinsicDefaultProto.
[...]
features: [Reflect]
---*/
var other = $.createRealm().global;
var C = new other.Function();
C.prototype = null;
var o = Reflect.construct(Function, [], C);
assert.sameValue(Object.getPrototypeOf(o), other.Function.prototype);