tests/sensor/src/android/hardware/cts/SensorSupportTest.java

/*
 * 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;

/**
 * Checks if Hifi sensors  or VR High performance mode sensors
 * are supported. When supported, checks individual support for
 * Accelerometer, Gyroscope, Gyroscope_uncal, GeoMagneticField,
 * MagneticField_uncal Pressure, RotationVector,
 * SignificantMotion, StepDetector, StepCounter, TiltDetector.
 *
 * <p>To execute these test cases, the following command can be used:</p>
 * <pre>
 * adb shell am instrument -e class android.hardware.cts.SensorSupportTest \
 *     -w android.hardware.cts/android.test.AndroidJUnitRunner
 * </pre>
 */
public class SensorSupportTest extends SensorTestCase {
    private SensorManager mSensorManager;
    private boolean mAreHifiSensorsSupported;
    private boolean mVrHighPerformanceModeSupported;

    @Override
    public void setUp() {
        PackageManager pm = getContext().getPackageManager();
        // Tests will only run if either HIFI_SENSORS or VR high performance mode is supported.
        mAreHifiSensorsSupported = pm.hasSystemFeature(PackageManager.FEATURE_HIFI_SENSORS);
        mVrHighPerformanceModeSupported = pm.hasSystemFeature(PackageManager.FEATURE_VR_MODE_HIGH_PERFORMANCE);
        if (mAreHifiSensorsSupported || mVrHighPerformanceModeSupported) {
            mSensorManager =
                    (SensorManager) getContext().getSystemService(Context.SENSOR_SERVICE);
        }
    }

    public void testSupportsAccelerometer() {
        checkSupportsSensor(Sensor.TYPE_ACCELEROMETER);
    }

    public void testSupportsGyroscope() {
        checkSupportsSensor(Sensor.TYPE_GYROSCOPE);
    }

    public void testSupportsGyroscopeUncalibrated() {
        checkSupportsSensor(Sensor.TYPE_GYROSCOPE_UNCALIBRATED);
    }

    public void testSupportsGeoMagneticField() {
        checkSupportsSensor(Sensor.TYPE_MAGNETIC_FIELD);
    }

    public void testSupportsMagneticFieldUncalibrated() {
        checkSupportsSensor(Sensor.TYPE_MAGNETIC_FIELD_UNCALIBRATED);
    }

    public void testSupportsPressure() {
        checkSupportsSensor(Sensor.TYPE_PRESSURE);
    }

    public void testSupportsRotationVector() {
        checkSupportsSensor(Sensor.TYPE_ROTATION_VECTOR);
    }

    public void testSupportsSignificantMotion() {
        checkSupportsSensor(Sensor.TYPE_SIGNIFICANT_MOTION);
    }

    public void testSupportsStepDetector() {
        checkSupportsSensor(Sensor.TYPE_STEP_DETECTOR);
    }

    public void testSupportsStepCounter() {
        checkSupportsSensor(Sensor.TYPE_STEP_COUNTER);
    }

    public void testSupportsTiltDetector() {
        final int TYPE_TILT_DETECTOR = 22;
        checkSupportsSensor(TYPE_TILT_DETECTOR);
    }

    private boolean sensorRequiredForVrHighPerformanceMode(int sensorType) {
        if (sensorType == Sensor.TYPE_MAGNETIC_FIELD ||
            sensorType == Sensor.TYPE_GYROSCOPE ||
            sensorType == Sensor.TYPE_ACCELEROMETER) {
            return true;
        } else {
            return false;
        }
    }

    private void checkSupportsSensor(int sensorType) {
        if (mAreHifiSensorsSupported ||
            (mVrHighPerformanceModeSupported &&
             sensorRequiredForVrHighPerformanceMode(sensorType))) {
            assertTrue(mSensorManager.getDefaultSensor(sensorType) != null);
        }
    }
}