Source code

Revision control

Copy as Markdown

Other Tools

// 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-array.from
es6id: 22.1.2.1
description: Default [[Prototype]] value derived from realm of the constructor
info: |
[...]
5. If usingIterator is not undefined, then
a. If IsConstructor(C) is true, then
i. Let A be ? Construct(C).
[...]
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: [cross-realm]
---*/
var other = $262.createRealm().global;
var C = new other.Function();
C.prototype = null;
var a = Array.from.call(C, []);
assert.sameValue(
Object.getPrototypeOf(a),
other.Object.prototype,
'Object.getPrototypeOf(Array.from.call(C, [])) returns other.Object.prototype'
);
reportCompare(0, 0);