Home | History | Annotate | Download | only in stress
      1 /*
      2  * Copyright (C) 2009 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.camera.stress;
     18 
     19 import com.android.camera.CameraActivity;
     20 
     21 import android.app.Activity;
     22 import android.app.Instrumentation;
     23 import android.content.Intent;
     24 import android.os.Environment;
     25 import android.provider.MediaStore;
     26 import android.test.InstrumentationTestCase;
     27 import android.test.suitebuilder.annotation.LargeTest;
     28 import android.util.Log;
     29 
     30 import java.io.FileWriter;
     31 import java.io.BufferedWriter;
     32 
     33 /**
     34  * Test cases to measure the camera and video recorder startup time.
     35  */
     36 public class CameraStartUp extends InstrumentationTestCase {
     37 
     38     private static final int TOTAL_NUMBER_OF_STARTUP = 20;
     39 
     40     private String TAG = "CameraStartUp";
     41     private static final String CAMERA_TEST_OUTPUT_FILE =
     42             Environment.getExternalStorageDirectory().toString() + "/mediaStressOut.txt";
     43     private static int WAIT_TIME_FOR_PREVIEW = 4 * 1000; //4 seconds.
     44 
     45     private long launchCamera() {
     46         long startupTime = 0;
     47         try {
     48             Intent intent = new Intent(Intent.ACTION_MAIN);
     49             intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
     50             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     51             long beforeStart = System.currentTimeMillis();
     52             Instrumentation inst = getInstrumentation();
     53             Activity cameraActivity = inst.startActivitySync(intent);
     54             long cameraStarted = System.currentTimeMillis();
     55             Thread.sleep(WAIT_TIME_FOR_PREVIEW);
     56             cameraActivity.finish();
     57             startupTime = cameraStarted - beforeStart;
     58             Thread.sleep(2 * 1000); //sleep for 2 seconds.
     59             Log.v(TAG, "camera startup time: " + startupTime);
     60         } catch (Exception e) {
     61             Log.v(TAG, "Got exception", e);
     62             fail("Fails to get the output file");
     63         }
     64         return startupTime;
     65     }
     66 
     67     private long launchVideo() {
     68         long startupTime = 0;
     69 
     70         try {
     71             Intent intent = new Intent(MediaStore.INTENT_ACTION_VIDEO_CAMERA);
     72             intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
     73             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     74             long beforeStart = System.currentTimeMillis();
     75             Instrumentation inst = getInstrumentation();
     76             Activity recorderActivity = inst.startActivitySync(intent);
     77             long cameraStarted = System.currentTimeMillis();
     78             Thread.sleep(WAIT_TIME_FOR_PREVIEW);
     79             recorderActivity.finish();
     80             startupTime = cameraStarted - beforeStart;
     81             Log.v(TAG, "Video Startup Time = " + startupTime);
     82             // wait for 1s to make sure it reach a clean stage
     83             Thread.sleep(2 * 1000); //sleep for 2 seconds.
     84             Log.v(TAG, "video startup time: " + startupTime);
     85         } catch (Exception e) {
     86             Log.v(TAG, "Got exception", e);
     87             fail("Fails to launch video output file");
     88         }
     89         return startupTime;
     90     }
     91 
     92     private void writeToOutputFile(long totalStartupTime,
     93             String individualStartupTime, boolean firstStartUp, String Type) throws Exception {
     94         // TODO (yslau) : Need to integrate the output data with central
     95         // dashboard
     96         try {
     97             FileWriter fstream = null;
     98             fstream = new FileWriter(CAMERA_TEST_OUTPUT_FILE, true);
     99             BufferedWriter out = new BufferedWriter(fstream);
    100             if (firstStartUp) {
    101                 out.write("First " + Type + " Startup: " + totalStartupTime + "\n");
    102             } else {
    103                 long averageStartupTime = totalStartupTime / (TOTAL_NUMBER_OF_STARTUP -1);
    104                 out.write(Type + "startup time: " + "\n");
    105                 out.write("Number of loop: " + (TOTAL_NUMBER_OF_STARTUP -1)  + "\n");
    106                 out.write(individualStartupTime + "\n\n");
    107                 out.write(Type + " average startup time: " + averageStartupTime + " ms\n\n");
    108             }
    109             out.close();
    110             fstream.close();
    111         } catch (Exception e) {
    112             fail("Camera write output to file");
    113         }
    114     }
    115 
    116     public void testLaunchVideo() throws Exception {
    117         String individualStartupTime;
    118         individualStartupTime = "Individual Video Startup Time = ";
    119         long totalStartupTime = 0;
    120         long startupTime = 0;
    121         for (int i = 0; i < TOTAL_NUMBER_OF_STARTUP; i++) {
    122             if (i == 0) {
    123                 // Capture the first startup time individually
    124                 long firstStartUpTime = launchVideo();
    125                 writeToOutputFile(firstStartUpTime, "na", true, "Video");
    126             } else {
    127                 startupTime = launchVideo();
    128                 totalStartupTime += startupTime;
    129                 individualStartupTime += startupTime + " ,";
    130             }
    131         }
    132         Log.v(TAG, "totalStartupTime =" + totalStartupTime);
    133         writeToOutputFile(totalStartupTime, individualStartupTime, false, "Video");
    134     }
    135 
    136     public void testLaunchCamera() throws Exception {
    137         String individualStartupTime;
    138         individualStartupTime = "Individual Camera Startup Time = ";
    139         long totalStartupTime = 0;
    140         long startupTime = 0;
    141         for (int i = 0; i < TOTAL_NUMBER_OF_STARTUP; i++) {
    142             if (i == 0) {
    143                 // Capture the first startup time individually
    144                 long firstStartUpTime = launchCamera();
    145                 writeToOutputFile(firstStartUpTime, "na", true, "Camera");
    146             } else {
    147                 startupTime = launchCamera();
    148                 totalStartupTime += startupTime;
    149                 individualStartupTime += startupTime + " ,";
    150             }
    151         }
    152         Log.v(TAG, "totalStartupTime =" + totalStartupTime);
    153         writeToOutputFile(totalStartupTime,
    154                 individualStartupTime, false, "Camera");
    155     }
    156 }
    157