/*
* Copyright (C) 2014 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.bluetooth.le;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.le.ScanFilter;
import android.bluetooth.le.ScanRecord;
import android.os.Parcel;
import android.os.ParcelUuid;
import android.test.suitebuilder.annotation.SmallTest;
import junit.framework.TestCase;
/**
* Unit test cases for Bluetooth LE scan filters.
* <p>
* To run this test, use adb shell am instrument -e class 'android.bluetooth.ScanFilterTest' -w
* 'com.android.bluetooth.tests/android.bluetooth.BluetoothTestRunner'
*/
public class ScanFilterTest extends TestCase {
private static final String DEVICE_MAC = "01:02:03:04:05:AB";
private ScanResult mScanResult;
private ScanFilter.Builder mFilterBuilder;
@Override
protected void setUp() throws Exception {
byte[] scanRecord = new byte[] {
0x02, 0x01, 0x1a, // advertising flags
0x05, 0x02, 0x0b, 0x11, 0x0a, 0x11, // 16 bit service uuids
0x04, 0x09, 0x50, 0x65, 0x64, // setName
0x02, 0x0A, (byte) 0xec, // tx power level
0x05, 0x16, 0x0b, 0x11, 0x50, 0x64, // service data
0x05, (byte) 0xff, (byte) 0xe0, 0x00, 0x02, 0x15, // manufacturer specific data
0x03, 0x50, 0x01, 0x02, // an unknown data type won't cause trouble
};
BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
BluetoothDevice device = adapter.getRemoteDevice(DEVICE_MAC);
mScanResult = new ScanResult(device, ScanRecord.parseFromBytes(scanRecord),
-10, 1397545200000000L);
mFilterBuilder = new ScanFilter.Builder();
}
@SmallTest
public void testsetNameFilter() {
ScanFilter filter = mFilterBuilder.setDeviceName("Ped").build();
assertTrue("setName filter fails", filter.matches(mScanResult));
filter = mFilterBuilder.setDeviceName("Pem").build();
assertFalse("setName filter fails", filter.matches(mScanResult));
}
@SmallTest
public void testDeviceFilter() {
ScanFilter filter = mFilterBuilder.setDeviceAddress(DEVICE_MAC).build();
assertTrue("device filter fails", filter.matches(mScanResult));
filter = mFilterBuilder.setDeviceAddress("11:22:33:44:55:66").build();
assertFalse("device filter fails", filter.matches(mScanResult));
}
@SmallTest
public void testsetServiceUuidFilter() {
ScanFilter filter = mFilterBuilder.setServiceUuid(
ParcelUuid.fromString("0000110A-0000-1000-8000-00805F9B34FB")).build();
assertTrue("uuid filter fails", filter.matches(mScanResult));
filter = mFilterBuilder.setServiceUuid(
ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB")).build();
assertFalse("uuid filter fails", filter.matches(mScanResult));
filter = mFilterBuilder
.setServiceUuid(ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB"),
ParcelUuid.fromString("FFFFFFF0-FFFF-FFFF-FFFF-FFFFFFFFFFFF"))
.build();
assertTrue("uuid filter fails", filter.matches(mScanResult));
}
@SmallTest
public void testsetServiceDataFilter() {
byte[] setServiceData = new byte[] {
0x50, 0x64 };
ParcelUuid serviceDataUuid = ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB");
ScanFilter filter = mFilterBuilder.setServiceData(serviceDataUuid, setServiceData).build();
assertTrue("service data filter fails", filter.matches(mScanResult));
byte[] emptyData = new byte[0];
filter = mFilterBuilder.setServiceData(serviceDataUuid, emptyData).build();
assertTrue("service data filter fails", filter.matches(mScanResult));
byte[] prefixData = new byte[] {
0x50 };
filter = mFilterBuilder.setServiceData(serviceDataUuid, prefixData).build();
assertTrue("service data filter fails", filter.matches(mScanResult));
byte[] nonMatchData = new byte[] {
0x51, 0x64 };
byte[] mask = new byte[] {
(byte) 0x00, (byte) 0xFF };
filter = mFilterBuilder.setServiceData(serviceDataUuid, nonMatchData, mask).build();
assertTrue("partial service data filter fails", filter.matches(mScanResult));
filter = mFilterBuilder.setServiceData(serviceDataUuid, nonMatchData).build();
assertFalse("service data filter fails", filter.matches(mScanResult));
}
@SmallTest
public void testManufacturerSpecificData() {
byte[] setManufacturerData = new byte[] {
0x02, 0x15 };
int manufacturerId = 0xE0;
ScanFilter filter =
mFilterBuilder.setManufacturerData(manufacturerId, setManufacturerData).build();
assertTrue("manufacturer data filter fails", filter.matches(mScanResult));
byte[] emptyData = new byte[0];
filter = mFilterBuilder.setManufacturerData(manufacturerId, emptyData).build();
assertTrue("manufacturer data filter fails", filter.matches(mScanResult));
byte[] prefixData = new byte[] {
0x02 };
filter = mFilterBuilder.setManufacturerData(manufacturerId, prefixData).build();
assertTrue("manufacturer data filter fails", filter.matches(mScanResult));
// Test data mask
byte[] nonMatchData = new byte[] {
0x02, 0x14 };
filter = mFilterBuilder.setManufacturerData(manufacturerId, nonMatchData).build();
assertFalse("manufacturer data filter fails", filter.matches(mScanResult));
byte[] mask = new byte[] {
(byte) 0xFF, (byte) 0x00
};
filter = mFilterBuilder.setManufacturerData(manufacturerId, nonMatchData, mask).build();
assertTrue("partial setManufacturerData filter fails", filter.matches(mScanResult));
}
@SmallTest
public void testReadWriteParcel() {
ScanFilter filter = mFilterBuilder.build();
testReadWriteParcelForFilter(filter);
filter = mFilterBuilder.setDeviceName("Ped").build();
testReadWriteParcelForFilter(filter);
filter = mFilterBuilder.setDeviceAddress("11:22:33:44:55:66").build();
testReadWriteParcelForFilter(filter);
filter = mFilterBuilder.setServiceUuid(
ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB")).build();
testReadWriteParcelForFilter(filter);
filter = mFilterBuilder.setServiceUuid(
ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB"),
ParcelUuid.fromString("FFFFFFF0-FFFF-FFFF-FFFF-FFFFFFFFFFFF")).build();
testReadWriteParcelForFilter(filter);
byte[] serviceData = new byte[] {
0x50, 0x64 };
ParcelUuid serviceDataUuid = ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB");
filter = mFilterBuilder.setServiceData(serviceDataUuid, serviceData).build();
testReadWriteParcelForFilter(filter);
filter = mFilterBuilder.setServiceData(serviceDataUuid, new byte[0]).build();
testReadWriteParcelForFilter(filter);
byte[] serviceDataMask = new byte[] {
(byte) 0xFF, (byte) 0xFF };
filter = mFilterBuilder.setServiceData(serviceDataUuid, serviceData, serviceDataMask)
.build();
testReadWriteParcelForFilter(filter);
byte[] manufacturerData = new byte[] {
0x02, 0x15 };
int manufacturerId = 0xE0;
filter = mFilterBuilder.setManufacturerData(manufacturerId, manufacturerData).build();
testReadWriteParcelForFilter(filter);
filter = mFilterBuilder.setServiceData(serviceDataUuid, new byte[0]).build();
testReadWriteParcelForFilter(filter);
byte[] manufacturerDataMask = new byte[] {
(byte) 0xFF, (byte) 0xFF
};
filter = mFilterBuilder.setManufacturerData(manufacturerId, manufacturerData,
manufacturerDataMask).build();
testReadWriteParcelForFilter(filter);
}
private void testReadWriteParcelForFilter(ScanFilter filter) {
Parcel parcel = Parcel.obtain();
filter.writeToParcel(parcel, 0);
parcel.setDataPosition(0);
ScanFilter filterFromParcel =
ScanFilter.CREATOR.createFromParcel(parcel);
assertEquals(filter, filterFromParcel);
}
}