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package com.android.camera.stress;
import android.app.Instrumentation;
import android.content.Intent;
import android.os.Debug;
import android.test.InstrumentationTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.app.Activity;
import android.util.Log;
import java.io.FileWriter;
import java.io.BufferedWriter;
/**
* Test cases to measure the camera and video recorder startup time.
*/
public class CameraStartUp extends InstrumentationTestCase {
private static final int TOTAL_NUMBER_OF_STARTUP = 20;
private String TAG = "CameraStartUp";
private static final String CAMERA_TEST_OUTPUT_FILE = "/sdcard/mediaStressOut.txt";
private static final String CAMERA_PACKAGE_NAME = "com.android.camera";
private static final String CAMERA_ACTIVITY_NAME = "com.android.camera.Camera";
private static final String VIDEORECORDER_ACTIVITY_NAME = "com.android.camera.VideoCamera";
private static int WAIT_TIME_FOR_PREVIEW = 1500; //1.5 second
private long launchCamera() {
long startupTime = 0;
try {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setClassName(CAMERA_PACKAGE_NAME, CAMERA_ACTIVITY_NAME);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
long beforeStart = System.currentTimeMillis();
Instrumentation inst = getInstrumentation();
Activity cameraActivity = inst.startActivitySync(intent);
long cameraStarted = System.currentTimeMillis();
cameraActivity.finish();
startupTime = cameraStarted - beforeStart;
Thread.sleep(1000);
Log.v(TAG, "camera startup time: " + startupTime);
} catch (Exception e) {
Log.v(TAG, e.toString());
fail("Fails to get the output file");
}
return startupTime;
}
private long launchVideo() {
long startupTime = 0;
try {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setClassName(CAMERA_PACKAGE_NAME, VIDEORECORDER_ACTIVITY_NAME);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
long beforeStart = System.currentTimeMillis();
Instrumentation inst = getInstrumentation();
Activity recorderActivity = inst.startActivitySync(intent);
long cameraStarted = System.currentTimeMillis();
recorderActivity.finish();
startupTime = cameraStarted - beforeStart;
Log.v(TAG, "Video Startup Time = " + startupTime);
// wait for 1s to make sure it reach a clean stage
Thread.sleep(WAIT_TIME_FOR_PREVIEW);
Log.v(TAG, "video startup time: " + startupTime);
} catch (Exception e) {
Log.v(TAG, e.toString());
fail("Fails to launch video output file");
}
return startupTime;
}
private void writeToOutputFile(String startupTag, long totalStartupTime,
String individualStartupTime) throws Exception {
//TODO (yslau) : Need to integrate the output data with central dashboard
try {
FileWriter fstream = null;
fstream = new FileWriter(CAMERA_TEST_OUTPUT_FILE, true);
long averageStartupTime = totalStartupTime / TOTAL_NUMBER_OF_STARTUP;
BufferedWriter out = new BufferedWriter(fstream);
out.write(startupTag + "\n");
out.write("Number of loop: " + TOTAL_NUMBER_OF_STARTUP + "\n");
out.write(individualStartupTime + "\n\n");
out.write("Average startup time :" + averageStartupTime + " ms\n\n");
out.close();
fstream.close();
} catch (Exception e) {
fail("Camera write output to file");
}
}
@LargeTest
public void testLaunchVideo() throws Exception {
String individualStartupTime;
individualStartupTime = "Individual Video Startup Time = ";
long totalStartupTime = 0;
long startupTime = 0;
for ( int i =0; i< TOTAL_NUMBER_OF_STARTUP; i++){
startupTime = launchVideo();
totalStartupTime += startupTime;
individualStartupTime += startupTime + " ,";
}
Log.v(TAG, "totalStartupTime =" + totalStartupTime);
writeToOutputFile("Video Recorder Startup Time: ", totalStartupTime,
individualStartupTime);
}
@LargeTest
public void testLaunchCamera() throws Exception {
String individualStartupTime;
individualStartupTime = "Individual Camera Startup Time = ";
long totalStartupTime =0;
long startupTime = 0;
for ( int i =0; i< TOTAL_NUMBER_OF_STARTUP; i++){
startupTime = launchCamera();
totalStartupTime += startupTime;
individualStartupTime += startupTime + " ,";
}
Log.v(TAG, "totalStartupTime =" + totalStartupTime);
writeToOutputFile("Camera Startup Time: ", totalStartupTime,
individualStartupTime);
}
}
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