v8/test/mjsunit/es6/array-concat-arraylike-negative-length.js
Shu-yu Guo 41903f2af6 Split up mjsunit/es6/array-concat.js
Split up the test so each test runs in a fresh Isolate with pristine
protector state.

Note that testArrayConcatES5 was not split out because it is a duplicate
of mjsunit/array-concat.js, and testConcatRevokedProxy has already been
split out as mjsunit/es6/array-concat-revocable-revoked-proxy-[12].js.

Bug: v8:9837
Change-Id: I8f744b0263c82f1dae61a55032124d9129f8e6f3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1864007
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64366}
2019-10-18 00:53:47 +00:00

18 lines
427 B
JavaScript

// Copyright 2014 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.
"use strict";
var obj = {
"length": -6,
"1": "A",
"3": "B",
"5": "C"
};
obj[Symbol.isConcatSpreadable] = true;
assertEquals([], [].concat(obj));
obj.length = -6.7;
assertEquals([], [].concat(obj));
obj.length = "-6";
assertEquals([], [].concat(obj));