xref: /arkcompiler/ets_runtime/test/moduletest/arraySliceCase/arraySliceCase.js (revision 4514f5e3)

/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * @tc.name:arraySlice
 * @tc.desc:test array.slice
 * @tc.type: FUNC
 * @tc.require:
 */

const animals = ['ant', 'bison', 'camel', 'duck', 'elephant'];

print(animals.slice(2));
// Expected output: Array ["camel", "duck", "elephant"]

print(animals.slice(2, 4));
// Expected output: Array ["camel", "duck"]

print(animals.slice(1, 5));
// Expected output: Array ["bison", "camel", "duck", "elephant"]

print(animals.slice(-2));
// Expected output: Array ["duck", "elephant"]

print(animals.slice(2, -1));
// Expected output: Array ["camel", "duck"]

print(animals.slice());
// Expected output: Array ["ant", "bison", "camel", "duck", "elephant"]

print([1, 2, , 4, 5].slice(1, 4)); // [2, empty, 4]
const arrayLike = {
	  length: 3,
	  0: 2,
	  1: 3,
	  2: 4,
};
print(Array.prototype.slice.call(arrayLike, 1, 3));

const slice = Function.prototype.call.bind(Array.prototype.slice);
function list() {
	  return slice(arguments);
}

const list1 = list(1, 2, 3); // [1, 2, 3]
print(list1);

var srcArr = [0, 1, true, null, new Object(), "five"];
srcArr[9999999] = -6.6;
var resArr = srcArr.slice(1, 3);
print(resArr);

var A = function(_length) {
	this.length = 0;
	Object.preventExtensions(this);
};
var arr = [1];
arr.constructor = {};
arr.constructor[Symbol.species] = A;
arr.slice(2);
print(arr);