| /* |
| * Copyright (C) 2013 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.hardware.cts.helpers.sensorTestOperations; |
| |
| import android.hardware.cts.helpers.SensorCtsHelper; |
| import android.hardware.cts.helpers.SensorManagerTestVerifier; |
| import android.hardware.cts.helpers.SensorTestOperation; |
| import android.hardware.cts.helpers.TestSensorEvent; |
| |
| import android.test.AndroidTestCase; |
| |
| /** |
| * Test Operation class that validates the ordering of sensor events. |
| */ |
| public class VerifyEventOrderingOperation extends SensorTestOperation { |
| private SensorManagerTestVerifier mSensor; |
| |
| public VerifyEventOrderingOperation( |
| AndroidTestCase testCase, |
| int sensorType, |
| int samplingRateInUs, |
| int reportLatencyInUs) { |
| mSensor = new SensorManagerTestVerifier( |
| testCase, |
| sensorType, |
| samplingRateInUs, |
| reportLatencyInUs); |
| } |
| |
| @Override |
| public void doWork() { |
| TestSensorEvent events[] = mSensor.collectEvents(100); |
| for(int i = 1; i < events.length; ++i) { |
| long previousTimestamp = events[i-1].timestamp; |
| long timestamp = events[i].timestamp; |
| String message = SensorCtsHelper.formatAssertionMessage( |
| "Ordering", |
| this, |
| mSensor.getUnderlyingSensor(), |
| "position:%d, previous:%d, timestamp:%d", |
| i, |
| previousTimestamp, |
| timestamp); |
| mSensor.verifier().assertTrue(message, previousTimestamp < timestamp); |
| } |
| } |
| } |