1 /* 2 * Copyright (C) 2017 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 android.car.hiddenapitest; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import static org.junit.Assume.assumeTrue; 22 23 import android.car.Car; 24 import android.car.diagnostic.CarDiagnosticEvent; 25 import android.car.diagnostic.CarDiagnosticManager; 26 import android.car.extendedapitest.testbase.CarApiTestBase; 27 28 import androidx.test.filters.MediumTest; 29 30 import org.junit.Before; 31 import org.junit.Test; 32 33 @MediumTest 34 public final class CarDiagnosticManagerTest extends CarApiTestBase { 35 36 private static final String TAG = CarDiagnosticManagerTest.class.getSimpleName(); 37 38 private CarDiagnosticManager mCarDiagnosticManager; 39 40 @Before setUp()41 public void setUp() throws Exception { 42 Car car = getCar(); 43 assumeTrue(car.isFeatureEnabled(Car.DIAGNOSTIC_SERVICE)); 44 mCarDiagnosticManager = (CarDiagnosticManager) car.getCarManager(Car.DIAGNOSTIC_SERVICE); 45 assertThat(mCarDiagnosticManager).isNotNull(); 46 } 47 48 /** 49 * Test that we can read live frame data over the diagnostic manager 50 * 51 * @throws Exception 52 */ 53 @Test testLiveFrame()54 public void testLiveFrame() throws Exception { 55 CarDiagnosticEvent liveFrame = mCarDiagnosticManager.getLatestLiveFrame(); 56 if (null != liveFrame) { 57 assertThat(liveFrame.isLiveFrame()).isTrue(); 58 assertThat(liveFrame.isEmptyFrame()).isFalse(); 59 } 60 } 61 62 /** 63 * Test that we can read well-formed freeze frame data over the diagnostic manager 64 * 65 * @throws Exception 66 */ 67 @Test testFreezeFrames()68 public void testFreezeFrames() throws Exception { 69 long[] timestamps = mCarDiagnosticManager.getFreezeFrameTimestamps(); 70 if (null != timestamps) { 71 for (long timestamp : timestamps) { 72 CarDiagnosticEvent freezeFrame = mCarDiagnosticManager.getFreezeFrame(timestamp); 73 assertThat(freezeFrame).isNotNull(); 74 assertThat(freezeFrame.timestamp).isEqualTo(timestamp); 75 assertThat(freezeFrame.isFreezeFrame()).isTrue(); 76 assertThat(freezeFrame.isEmptyFrame()).isFalse(); 77 assertThat(freezeFrame.dtc).isNotEmpty(); 78 } 79 } 80 } 81 } 82