c459d8ea5d
PR-URL: https://github.com/nodejs/node/pull/11752 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
// Copyright 2016 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.
|
|
|
|
(function testSmiArrayConcat() {
|
|
var result = [].concat([-12]);
|
|
|
|
assertEquals(1, result.length);
|
|
assertEquals([-12], result);
|
|
})();
|
|
|
|
(function testDoubleArrayConcat() {
|
|
var result = [].concat([-1073741825]);
|
|
|
|
assertEquals(1, result.length);
|
|
assertEquals([-1073741825], result);
|
|
})();
|
|
|
|
(function testSmiArrayNonConcatSpreadable() {
|
|
var array = [-10];
|
|
array[Symbol.isConcatSpreadable] = false;
|
|
var result = [].concat(array);
|
|
|
|
assertEquals(1, result.length);
|
|
assertEquals(1, result[0].length);
|
|
assertEquals([-10], result[0]);
|
|
})();
|
|
|
|
(function testDoubleArrayNonConcatSpreadable() {
|
|
var array = [-1073741825];
|
|
array[Symbol.isConcatSpreadable] = false;
|
|
var result = [].concat(array);
|
|
|
|
assertEquals(1, result.length);
|
|
assertEquals(1, result[0].length);
|
|
assertEquals([-1073741825], result[0]);
|
|
})();
|
|
|
|
Array.prototype[Symbol.isConcatSpreadable] = false;
|
|
|
|
|
|
(function testSmiArray() {
|
|
var result = [].concat([-12]);
|
|
|
|
assertEquals(2, result.length);
|
|
assertEquals(0, result[0].length);
|
|
assertEquals(1, result[1].length);
|
|
assertEquals([-12], result[1]);
|
|
})();
|
|
|
|
(function testDoubleArray() {
|
|
var result = [].concat([-1073741825]);
|
|
|
|
assertEquals(2, result.length);
|
|
assertEquals(0, result[0].length);
|
|
assertEquals(1, result[1].length);
|
|
assertEquals([-1073741825], result[1]);
|
|
})();
|