File: proto-from-ctor.js

package info (click to toggle)
qtdeclarative-opensource-src 5.15.8%2Bdfsg-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 259,256 kB
  • sloc: javascript: 512,396; cpp: 495,775; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 62; php: 27
file content (28 lines) | stat: -rw-r--r-- 951 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// 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-object-value
es6id: 19.1.1.1
description: Default [[Prototype]] value derived from realm of the newTarget
info: |
    1. If NewTarget is neither undefined nor the active function, then
       a. Return ? OrdinaryCreateFromConstructor(NewTarget, "%ObjectPrototype%").

    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, Reflect]
---*/

var other = $262.createRealm().global;
var C = new other.Function();
C.prototype = null;

var o = Reflect.construct(Object, [], C);

assert.sameValue(Object.getPrototypeOf(o), other.Object.prototype);