/* * 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. */ declare function print(arg:any) : string; declare interface ArkTools { timeInUs(arg:any):number } function testGetVievValue() { var buffer = new ArrayBuffer(8); var dataview = new DataView(buffer); let start = ArkTools.timeInUs(); let res; for (let i = 0; i < 1_000_000; i++) { res = dataview.getInt32(2); } let end = ArkTools.timeInUs(); let time = (end - start) / 1000 print(res) print("DataView GetVievValue:\t" + String(time) + "\tms"); } function testSetVievValue() { var buffer = new ArrayBuffer(8); var dataview = new DataView(buffer); let start = ArkTools.timeInUs(); for (let i = 0; i < 1_000_000; i++) { dataview.setInt32(1, 2); } let end = ArkTools.timeInUs(); let time = (end - start) / 1000 print("DataView SetVievValue:\t" + String(time) + "\tms"); } function testGetByteLength() { var buffer = new ArrayBuffer(8); var dataview = new DataView(buffer); let start = ArkTools.timeInUs(); let res; for (let i = 0; i < 1_000_000; i++) { res = dataview.byteLength; } let end = ArkTools.timeInUs(); let time = (end - start) / 1000 print(res) print("DataView ByteLength:\t" + String(time) + "\tms"); } testSetVievValue(); testGetVievValue(); testGetByteLength();