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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.car.apitest;
import android.car.Car;
import android.car.hardware.CarDiagnosticEvent;
import android.car.hardware.CarDiagnosticManager;
import android.content.ComponentName;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.os.Looper;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.MediumTest;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
@MediumTest
public class CarDiagnosticManagerTest extends AndroidTestCase {
private static final long DEFAULT_WAIT_TIMEOUT_MS = 5000;
private final Semaphore mConnectionWait = new Semaphore(0);
private Car mCar;
private CarDiagnosticManager mCarDiagnosticManager;
private final ServiceConnection mConnectionListener =
new ServiceConnection() {
@Override
public void onServiceDisconnected(ComponentName name) {
assertMainThread();
}
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
assertMainThread();
mConnectionWait.release();
}
};
private void assertMainThread() {
assertTrue(Looper.getMainLooper().isCurrentThread());
}
private void waitForConnection(long timeoutMs) throws InterruptedException {
mConnectionWait.tryAcquire(timeoutMs, TimeUnit.MILLISECONDS);
}
@Override
protected void setUp() throws Exception {
super.setUp();
mCar = Car.createCar(getContext(), mConnectionListener);
mCar.connect();
waitForConnection(DEFAULT_WAIT_TIMEOUT_MS);
mCarDiagnosticManager = (CarDiagnosticManager) mCar.getCarManager(Car.DIAGNOSTIC_SERVICE);
assertNotNull(mCarDiagnosticManager);
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
mCar.disconnect();
}
/**
* Test that we can read live frame data over the diagnostic manager
*
* @throws Exception
*/
public void testLiveFrame() throws Exception {
CarDiagnosticEvent liveFrame = mCarDiagnosticManager.getLatestLiveFrame();
if (null != liveFrame) {
assertTrue(liveFrame.isLiveFrame());
assertFalse(liveFrame.isEmptyFrame());
}
}
/**
* Test that we can read well-formed freeze frame data over the diagnostic manager
*
* @throws Exception
*/
public void testFreezeFrames() throws Exception {
long[] timestamps = mCarDiagnosticManager.getFreezeFrameTimestamps();
if (null != timestamps) {
for (long timestamp : timestamps) {
CarDiagnosticEvent freezeFrame = mCarDiagnosticManager.getFreezeFrame(timestamp);
assertNotNull(freezeFrame);
assertEquals(timestamp, freezeFrame.timestamp);
assertTrue(freezeFrame.isFreezeFrame());
assertFalse(freezeFrame.isEmptyFrame());
assertNotSame("", freezeFrame.dtc);
}
}
}
}
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