| /* |
| * Copyright (C) 2022 The Android Open Source Project. |
| * |
| * 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. |
| */ |
| |
| package android.libcore.regression; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.test.suitebuilder.annotation.LargeTest; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.text.Collator; |
| import java.text.DateFormat; |
| import java.text.DateFormatSymbols; |
| import java.text.DecimalFormatSymbols; |
| import java.text.NumberFormat; |
| import java.text.SimpleDateFormat; |
| import java.util.GregorianCalendar; |
| import java.util.Locale; |
| |
| /** |
| * Benchmarks creation and cloning various expensive objects. |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @LargeTest |
| public class ExpensiveObjectsPerfTest { |
| @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| @Test |
| public void timeNewDateFormatTimeInstance() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT); |
| df.format(System.currentTimeMillis()); |
| } |
| } |
| |
| @Test |
| public void timeClonedDateFormatTimeInstance() { |
| DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| ((DateFormat) df.clone()).format(System.currentTimeMillis()); |
| } |
| } |
| |
| @Test |
| public void timeReusedDateFormatTimeInstance() { |
| DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| synchronized (df) { |
| df.format(System.currentTimeMillis()); |
| } |
| } |
| } |
| |
| @Test |
| public void timeNewCollator() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| Collator.getInstance(Locale.US); |
| } |
| } |
| |
| @Test |
| public void timeClonedCollator() { |
| Collator c = Collator.getInstance(Locale.US); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| c.clone(); |
| } |
| } |
| |
| @Test |
| public void timeNewDateFormatSymbols() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| new DateFormatSymbols(Locale.US); |
| } |
| } |
| |
| @Test |
| public void timeClonedDateFormatSymbols() { |
| DateFormatSymbols dfs = new DateFormatSymbols(Locale.US); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| dfs.clone(); |
| } |
| } |
| |
| @Test |
| public void timeNewDecimalFormatSymbols() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| new DecimalFormatSymbols(Locale.US); |
| } |
| } |
| |
| @Test |
| public void timeClonedDecimalFormatSymbols() { |
| DecimalFormatSymbols dfs = new DecimalFormatSymbols(Locale.US); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| dfs.clone(); |
| } |
| } |
| |
| @Test |
| public void timeNewNumberFormat() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| NumberFormat.getInstance(Locale.US); |
| } |
| } |
| |
| @Test |
| public void timeClonedNumberFormat() { |
| NumberFormat nf = NumberFormat.getInstance(Locale.US); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| nf.clone(); |
| } |
| } |
| |
| @Test |
| public void timeLongToString() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| Long.toString(1024L); |
| } |
| } |
| |
| @Test |
| public void timeNumberFormatTrivialFormatDouble() { |
| NumberFormat nf = NumberFormat.getInstance(Locale.US); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| nf.format(1024.0); |
| } |
| } |
| |
| @Test |
| public void timeNewSimpleDateFormat() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| new SimpleDateFormat(); |
| } |
| } |
| |
| @Test |
| public void timeNewGregorianCalendar() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| new GregorianCalendar(); |
| } |
| } |
| |
| @Test |
| public void timeClonedGregorianCalendar() { |
| GregorianCalendar gc = new GregorianCalendar(); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| gc.clone(); |
| } |
| } |
| } |