| /* |
| * Copyright (C) 2015 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; |
| |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.hardware.Sensor; |
| import android.hardware.SensorManager; |
| import android.hardware.cts.helpers.SensorCtsHelper; |
| import android.hardware.cts.helpers.TestSensorEnvironment; |
| import android.hardware.cts.helpers.sensoroperations.TestSensorOperation; |
| import android.hardware.cts.helpers.sensorverification.FifoLengthVerification; |
| import android.platform.test.annotations.Presubmit; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Checks the minimum Hardware FIFO length for each of the Hardware sensor. |
| * Further verifies if the advertised FIFO (Sensor.getFifoMaxEventCount()) is actually allocated |
| * for the sensor. |
| * |
| */ |
| public class SensorBatchingFifoTest extends SensorTestCase { |
| private static final int SAMPLING_INTERVAL = 1000; /* every 1ms */ |
| private static final String TAG = "batching_fifo_test"; |
| |
| private SensorManager mSensorManager; |
| private boolean mHasHifiSensors; |
| @Override |
| protected void setUp() throws Exception { |
| mSensorManager = (SensorManager) getContext().getSystemService(Context.SENSOR_SERVICE); |
| mHasHifiSensors = getContext().getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_HIFI_SENSORS); |
| } |
| |
| @Presubmit |
| public void testAccelerometerFifoLength() throws Throwable { |
| if (!mHasHifiSensors) return; |
| runBatchingSensorFifoTest( |
| Sensor.TYPE_ACCELEROMETER, |
| getReservedFifoLength(Sensor.TYPE_ACCELEROMETER)); |
| } |
| |
| public void testUncalMagnetometerFifoLength() throws Throwable { |
| if (!mHasHifiSensors) return; |
| runBatchingSensorFifoTest( |
| Sensor.TYPE_MAGNETIC_FIELD_UNCALIBRATED, |
| getReservedFifoLength(Sensor.TYPE_MAGNETIC_FIELD_UNCALIBRATED)); |
| } |
| |
| public void testPressureFifoLength() throws Throwable { |
| if (!mHasHifiSensors) return; |
| runBatchingSensorFifoTest( |
| Sensor.TYPE_PRESSURE, |
| getReservedFifoLength(Sensor.TYPE_PRESSURE)); |
| } |
| |
| public void testGameRotationVectorFifoLength() throws Throwable { |
| if (!mHasHifiSensors) return; |
| runBatchingSensorFifoTest( |
| Sensor.TYPE_GAME_ROTATION_VECTOR, |
| getReservedFifoLength(Sensor.TYPE_GAME_ROTATION_VECTOR)); |
| } |
| |
| private int getReservedFifoLength(int sensorType) { |
| Sensor sensor = mSensorManager.getDefaultSensor(sensorType); |
| assertTrue(String.format("sensor of type=%d (null)", sensorType), sensor != null); |
| return sensor.getFifoReservedEventCount(); |
| } |
| |
| private void runBatchingSensorFifoTest(int sensorType, int fifoLength) throws Throwable { |
| if (fifoLength == 0) { |
| return; |
| } |
| Sensor sensor = mSensorManager.getDefaultSensor(sensorType); |
| TestSensorEnvironment environment = new TestSensorEnvironment(getContext(), |
| sensor, |
| false, /* sensorMightHaveMoreListeners */ |
| sensor.getMinDelay(), |
| Integer.MAX_VALUE /*maxReportLatencyUs*/); |
| |
| int preFlushMs = 2000; // 2 sec to make sure there is sample at the time of flush |
| int postFlushMs = environment.getExpectedSamplingPeriodUs() * 100 /1000; |
| int testFlushMs = |
| environment.getSensor().getFifoReservedEventCount() * |
| environment.getExpectedSamplingPeriodUs() / (int)(1000 / 1.2); // 120% |
| |
| TestSensorOperation op = TestSensorOperation.createFlushOperation( |
| environment, new int [] { preFlushMs, testFlushMs, postFlushMs }, -1); |
| |
| op.addVerification(FifoLengthVerification.getDefault(environment)); |
| op.execute(getCurrentTestNode()); |
| op.getStats().log(TAG); |
| } |
| } |