| /* |
| * 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; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.test.suitebuilder.annotation.LargeTest; |
| import android.util.Xml; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import libcore.util.XmlObjectFactory; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.charset.StandardCharsets; |
| |
| /** |
| * Compares various kinds of method invocation. |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @LargeTest |
| public class XmlSerializerPerfTest { |
| |
| @Rule |
| public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| @Test |
| public void timeFastSerializer_nonIndent_depth100() throws IOException { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| XmlSerializer serializer = Xml.newFastSerializer(); |
| runTest(serializer, 100); |
| } |
| } |
| |
| @Test |
| public void timeFastSerializer_indent_depth100() throws IOException { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| XmlSerializer serializer = Xml.newFastSerializer(); |
| serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); |
| runTest(serializer, 100); |
| } |
| } |
| |
| @Test |
| public void timeKXmlSerializer_nonIndent_depth100() throws IOException { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| XmlSerializer serializer = XmlObjectFactory.newXmlSerializer(); |
| runTest(serializer, 100); |
| } |
| } |
| |
| @Test |
| public void timeKXmlSerializer_indent_depth100() throws IOException { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| XmlSerializer serializer = XmlObjectFactory.newXmlSerializer(); |
| serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); |
| runTest(serializer, 100); |
| } |
| } |
| |
| private void runTest(XmlSerializer serializer, int depth) throws IOException { |
| File file = File.createTempFile(XmlSerializerPerfTest.class.getSimpleName(), "tmp"); |
| try (OutputStream out = new FileOutputStream(file)) { |
| serializer.setOutput(out, StandardCharsets.UTF_8.name()); |
| serializer.startDocument(null, true); |
| writeContent(serializer, depth); |
| serializer.endDocument(); |
| } |
| } |
| |
| private void writeContent(XmlSerializer serializer, int depth) throws IOException { |
| serializer.startTag(null, "tag"); |
| serializer.attribute(null, "attribute", "value1"); |
| if (depth > 0) { |
| writeContent(serializer, depth - 1); |
| } |
| serializer.endTag(null, "tag"); |
| } |
| |
| } |