1 /* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package benchmarks.regression; 18 19 import android.text.format.DateFormat; 20 import com.google.caliper.BeforeExperiment; 21 import java.text.SimpleDateFormat; 22 import java.util.Calendar; 23 import java.util.Date; 24 import java.util.GregorianCalendar; 25 26 public final class DateToStringBenchmark { 27 Date date; 28 Calendar calendar; 29 SimpleDateFormat format; 30 31 @BeforeExperiment 32 protected void setUp() throws Exception { 33 date = new Date(0); 34 calendar = new GregorianCalendar(); 35 calendar.setTime(date); 36 format = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy"); 37 } 38 39 public void timeDateToString(int reps) throws Exception { 40 for (int i = 0; i < reps; ++i) { 41 date.toString(); 42 } 43 } 44 45 public void timeDateToString_Formatter(int reps) throws Exception { 46 for (int i = 0; i < reps; ++i) { 47 new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy").format(date); 48 } 49 } 50 51 public void timeDateToString_ClonedFormatter(int reps) throws Exception { 52 for (int i = 0; i < reps; ++i) { 53 ((SimpleDateFormat) format.clone()).format(date); 54 } 55 } 56 57 public void timeDateToString_AndroidDateFormat(int reps) { 58 for (int i = 0; i < reps; i++) { 59 DateFormat.format("EEE MMM dd HH:mm:ss zzz yyyy", calendar); 60 } 61 } 62 } 63
