mirror of
https://github.com/nodejs/node.git
synced 2025-05-21 18:59:08 +00:00
2dcc3665ab
PR-URL: https://github.com/nodejs/node/pull/28016 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
27 lines
813 B
JavaScript
27 lines
813 B
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
const impl = Symbol();
|
|
class MyArrayLike {
|
|
constructor() {
|
|
this[impl] = [2, 1];
|
|
Object.freeze(this);
|
|
}
|
|
get 0() { return this[impl][0]; }
|
|
set 0(value) { this[impl][0] = value; }
|
|
get 1() { return this[impl][1]; }
|
|
set 1(value) { this[impl][1] = value; }
|
|
get length() { return 2; }
|
|
}
|
|
|
|
const xs = new MyArrayLike();
|
|
Array.prototype.sort.call(xs);
|
|
|
|
// Sort-order is implementation-defined as we actually hit two conditions from
|
|
// the spec:
|
|
// - "xs" is sparse and IsExtensible(xs) is false (its frozen).
|
|
// - "xs" is sparse and the prototype has properties in the sort range.
|
|
assertEquals(1, xs[0]);
|
|
assertEquals(2, xs[1]);
|