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CameraFunctionalTest.javaAPI DocAndroid 5.1 API9619Thu Mar 12 22:22:30 GMT 2015com.android.mediaframeworktest.functional.camera

CameraFunctionalTest

public class CameraFunctionalTest extends android.test.ActivityInstrumentationTestCase2
Junit / Instrumentation test case for the following camera APIs: - flash - exposure compensation - white balance - focus mode adb shell am instrument -e class com.android.mediaframeworktest.functional.camera.CameraFunctionalTest -w com.android.mediaframework/.CameraStressTestRunner

Fields Summary
private static final long
WAIT_TIMEOUT
private com.android.mediaframeworktest.CameraTestHelper
mCameraTestHelper
private android.os.Handler
mHandler
private Thread
mLooperThread
private Writer
mOutput
private String
TAG
Constructors Summary
public CameraFunctionalTest()


      
        super("com.android.mediaframeworktest", MediaFrameworkTest.class);
Methods Summary
private voidrunOnLooper(java.lang.Runnable command)

        final Semaphore sem = new Semaphore(0);
        mHandler.post(new Runnable() {
            @Override
            public void run() {
                try {
                    command.run();
                } finally {
                    sem.release();
                }
            }
        });
        if (!sem.tryAcquire(WAIT_TIMEOUT, TimeUnit.MILLISECONDS)) {
            fail("Failed to run the command on the looper.");
        }
protected voidsetUp()

        final Semaphore sem = new Semaphore(0);
        mLooperThread = new Thread() {
            @Override
            public void run() {
                Log.v(TAG, "starting looper");
                Looper.prepare();
                mHandler = new Handler();
                sem.release();
                Looper.loop();
                Log.v(TAG, "quit looper");
            }
        };
        mLooperThread.start();
        if (!sem.tryAcquire(WAIT_TIMEOUT, TimeUnit.MILLISECONDS)) {
            fail("Failed to start the looper.");
        }
        getActivity();
        super.setUp();

        mCameraTestHelper = new CameraTestHelper();
protected voidtearDown()

        if (mHandler != null) {
            mHandler.getLooper().quit();
            mHandler = null;
        }
        if (mLooperThread != null) {
            mLooperThread.join(WAIT_TIMEOUT);
            if (mLooperThread.isAlive()) {
                fail("Failed to stop the looper.");
            }
            mLooperThread = null;
        }
        super.tearDown();
public voidtestFunctionalCameraExposureCompensation()
Functional test iterating on the range of supported exposure compensation levels

        try {
            SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
            Parameters params = mCameraTestHelper.getCameraParameters();

            int min = params.getMinExposureCompensation();
            int max = params.getMaxExposureCompensation();
            assertFalse("Adjusting exposure not supported", (max == 0 && min == 0));
            float step = params.getExposureCompensationStep();
            int stepsPerEV = (int) Math.round(Math.pow((double) step, -1));

            // only get integer values for exposure compensation
            for (int i = min; i <= max; i += stepsPerEV) {
                runOnLooper(new Runnable() {
                    @Override
                    public void run() {
                        mCameraTestHelper.setupCameraTest();
                    }
                });
                Log.v(TAG, "Setting exposure compensation index to " + i);
                params.setExposureCompensation(i);
                mCameraTestHelper.setParameters(params);
                mCameraTestHelper.startCameraPreview(surfaceHolder);
                mCameraTestHelper.capturePhoto();
            }
            mCameraTestHelper.cleanupTestImages();
        } catch (Exception e) {
            Log.e(TAG, e.toString());
            fail("Camera exposure compensation test Exception");
        }
public voidtestFunctionalCameraFlashModes()
Functional test iterating on the various flash modes (on, off, auto, torch)

        try {
            SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
            Parameters params = mCameraTestHelper.getCameraParameters();
            List<String> supportedFlashModes = params.getSupportedFlashModes();
            assertNotNull("No flash modes supported", supportedFlashModes);

            for (int i = 0; i < supportedFlashModes.size(); i++) {
                runOnLooper(new Runnable() {
                    @Override
                    public void run() {
                        mCameraTestHelper.setupCameraTest();
                    }
                });
                Log.v(TAG, "Setting flash mode to " + supportedFlashModes.get(i));
                params.setFlashMode(supportedFlashModes.get(i));
                mCameraTestHelper.setParameters(params);
                mCameraTestHelper.startCameraPreview(surfaceHolder);
                mCameraTestHelper.capturePhoto();
            }
            mCameraTestHelper.cleanupTestImages();
        } catch (Exception e) {
            Log.e(TAG, e.toString());
            fail("Camera flash mode test Exception");
        }
public voidtestFunctionalCameraFocusModes()
Functional test iterating on the various focus modes (auto, infinitiy, macro, etc.)

        try {
            SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
            Parameters params = mCameraTestHelper.getCameraParameters();
            List<String> supportedFocusModes = params.getSupportedFocusModes();
            assertNotNull("No focus modes supported", supportedFocusModes);

            for (int i = 0; i < supportedFocusModes.size(); i++) {
                runOnLooper(new Runnable() {
                    @Override
                    public void run() {
                        mCameraTestHelper.setupCameraTest();
                    }
                });
                Log.v(TAG, "Setting focus mode to: " + supportedFocusModes.get(i));
                params.setFocusMode(supportedFocusModes.get(i));
                mCameraTestHelper.setParameters(params);
                mCameraTestHelper.startCameraPreview(surfaceHolder);
                mCameraTestHelper.capturePhoto();
            }
            mCameraTestHelper.cleanupTestImages();
        } catch (Exception e) {
            Log.e(TAG, e.toString());
            fail("Camera focus modes test Exception");
        }
public voidtestFunctionalCameraWhiteBalance()
Functional test iterating on the various white balances (auto, daylight, cloudy, etc.)

        try {
            SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
            Parameters params = mCameraTestHelper.getCameraParameters();
            List<String> supportedWhiteBalance = params.getSupportedWhiteBalance();
            assertNotNull("No white balance modes supported", supportedWhiteBalance);

            for (int i = 0; i < supportedWhiteBalance.size(); i++) {
                runOnLooper(new Runnable() {
                    @Override
                    public void run() {
                        mCameraTestHelper.setupCameraTest();
                    }
                });
                Log.v(TAG, "Setting white balance to: " + supportedWhiteBalance.get(i));
                params.setWhiteBalance(supportedWhiteBalance.get(i));
                mCameraTestHelper.setParameters(params);
                mCameraTestHelper.startCameraPreview(surfaceHolder);
                mCameraTestHelper.capturePhoto();
            }
            mCameraTestHelper.cleanupTestImages();
        } catch (Exception e) {
            Log.e(TAG, e.toString());
            fail("Camera focus modes test Exception");
        }