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      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
     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
     67     public void tearDown() {
     68         mAsset.close();
     69     }
     70 
     71     @Test
     72     public void getText() {
     73         final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
     74         while (state.keepRunning()) {
     75             mRes.getText(mTextId);
     76         }
     77     }
     78 
     79     @Test
     80     public void getColor() {
     81         final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
     82         while (state.keepRunning()) {
     83             mRes.getColor(mColorId, null);
     84         }
     85     }
     86 
     87     @Test
     88     public void getInteger() {
     89         final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
     90         while (state.keepRunning()) {
     91             mRes.getInteger(mIntegerId);
     92         }
     93     }
     94 
     95     @Test
     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