1 /* 2 * Copyright (C) 2018 The Android Open Source Project 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 android.app; 18 19 import static org.junit.Assert.fail; 20 21 import android.content.res.AssetManager; 22 import android.content.res.Resources; 23 import android.content.res.XmlResourceParser; 24 import android.perftests.utils.BenchmarkState; 25 import android.perftests.utils.PerfStatusReporter; 26 27 import androidx.test.filters.LargeTest; 28 29 import org.junit.After; 30 import org.junit.Before; 31 import org.junit.Rule; 32 import org.junit.Test; 33 import org.xmlpull.v1.XmlPullParser; 34 import org.xmlpull.v1.XmlPullParserException; 35 36 import java.io.IOException; 37 38 /** 39 * Benchmarks for {@link android.content.res.Resources}. 40 */ 41 @LargeTest 42 public class ResourcesPerfTest { 43 @Rule 44 public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); 45 46 private AssetManager mAsset; 47 private Resources mRes; 48 49 private int mTextId; 50 private int mColorId; 51 private int mIntegerId; 52 private int mLayoutId; 53 54 @Before setUp()55 public void setUp() { 56 mAsset = new AssetManager(); 57 mAsset.addAssetPath("/system/framework/framework-res.apk"); 58 mRes = new Resources(mAsset, null, null); 59 60 mTextId = mRes.getIdentifier("cancel", "string", "android"); 61 mColorId = mRes.getIdentifier("transparent", "color", "android"); 62 mIntegerId = mRes.getIdentifier("config_shortAnimTime", "integer", "android"); 63 mLayoutId = mRes.getIdentifier("two_line_list_item", "layout", "android"); 64 } 65 66 @After tearDown()67 public void tearDown() { 68 mAsset.close(); 69 } 70 71 @Test getText()72 public void getText() { 73 final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 74 while (state.keepRunning()) { 75 mRes.getText(mTextId); 76 } 77 } 78 79 @Test getColor()80 public void getColor() { 81 final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 82 while (state.keepRunning()) { 83 mRes.getColor(mColorId, null); 84 } 85 } 86 87 @Test getInteger()88 public void getInteger() { 89 final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 90 while (state.keepRunning()) { 91 mRes.getInteger(mIntegerId); 92 } 93 } 94 95 @Test getLayoutAndTravese()96 public void getLayoutAndTravese() { 97 final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); 98 while (state.keepRunning()) { 99 try (XmlResourceParser parser = mRes.getLayout(mLayoutId)) { 100 while (parser.next() != XmlPullParser.END_DOCUMENT) { 101 // Walk the entire tree 102 } 103 } catch (IOException | XmlPullParserException exception) { 104 fail("Parsing of the layout failed. Something is really broken"); 105 } 106 } 107 } 108 } 109