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      1 /*
      2  * Copyright (C) 2011 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 com.android.rs.image;
     18 
     19 import android.os.Bundle;
     20 import android.os.Environment;
     21 import android.app.Instrumentation;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.net.Uri;
     25 import android.test.ActivityInstrumentationTestCase2;
     26 import android.test.suitebuilder.annotation.LargeTest;
     27 import android.util.Log;
     28 
     29 import java.io.BufferedWriter;
     30 import java.io.File;
     31 import java.io.FileWriter;
     32 import java.io.IOException;
     33 
     34 /**
     35  * ImageProcessing benchmark test.
     36  * To run the test, please use command
     37  *
     38  * adb shell am instrument -w com.android.rs.image/.ImageProcessingTestRunner
     39  *
     40  */
     41 public class ImageProcessingTest extends ActivityInstrumentationTestCase2<ImageProcessingActivity> {
     42     private final String TAG = "ImageProcessingTest";
     43     private final String RESULT_FILE = "image_processing_result.txt";
     44     private int ITERATION = 5;
     45     private ImageProcessingActivity mAct;
     46 
     47     public ImageProcessingTest() {
     48         super(ImageProcessingActivity.class);
     49     }
     50 
     51     @Override
     52     public void setUp() throws Exception {
     53         super.setUp();
     54         mAct = getActivity();
     55    }
     56 
     57     @Override
     58     public void tearDown() throws Exception {
     59         super.tearDown();
     60     }
     61 
     62     /**
     63      * ImageProcessing benchmark test
     64      */
     65     @LargeTest
     66     public void testImageProcessingBench() {
     67         long t = 0;
     68         long sum = 0;
     69         // write result into a file
     70         File externalStorage = Environment.getExternalStorageDirectory();
     71         if (!externalStorage.canWrite()) {
     72             Log.v(TAG, "sdcard is not writable");
     73             return;
     74         }
     75         File resultFile = new File(externalStorage, RESULT_FILE);
     76         resultFile.setWritable(true, false);
     77         try {
     78             BufferedWriter rsWriter = new BufferedWriter(new FileWriter(resultFile));
     79             Log.v(TAG, "Saved results in: " + resultFile.getAbsolutePath());
     80             for (int i = 0; i < ITERATION; i++ ) {
     81                 t = mAct.getBenchmark();
     82                 sum += t;
     83                 rsWriter.write("Renderscript frame time core: " + t + " ms\n");
     84                 Log.v(TAG, "RenderScript framew time core: " + t + " ms");
     85             }
     86             long avgValue = sum/ITERATION;
     87             rsWriter.write("Average frame time: " + avgValue + " ms\n");
     88             Log.v(TAG, "Average frame time: " + avgValue + " ms");
     89             rsWriter.close();
     90         } catch (IOException e) {
     91             Log.v(TAG, "Unable to write result file " + e.getMessage());
     92         }
     93     }
     94 }
     95