| /* |
| * 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.os.BytesMatcher; |
| import android.os.ParcelUuid; |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import com.android.internal.util.HexDump; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.function.Predicate; |
| |
| /** |
| * Unit test cases for {@link ScanRecord}. |
| * <p> |
| * To run this test, use adb shell am instrument -e class 'android.bluetooth.ScanRecordTest' -w |
| * 'com.android.bluetooth.tests/android.bluetooth.BluetoothTestRunner' |
| */ |
| public class ScanRecordTest extends TestCase { |
| /** |
| * Example raw beacons captured from a Blue Charm BC011 |
| */ |
| private static final String RECORD_URL = "0201060303AAFE1716AAFE10EE01626C7565636861726D626561636F6E730009168020691E0EFE13551109426C7565436861726D5F313639363835000000"; |
| private static final String RECORD_UUID = "0201060303AAFE1716AAFE00EE626C7565636861726D31000000000001000009168020691E0EFE13551109426C7565436861726D5F313639363835000000"; |
| private static final String RECORD_TLM = "0201060303AAFE1116AAFE20000BF017000008874803FB93540916802069080EFE13551109426C7565436861726D5F313639363835000000000000000000"; |
| private static final String RECORD_IBEACON = "0201061AFF4C000215426C7565436861726D426561636F6E730EFE1355C509168020691E0EFE13551109426C7565436861726D5F31363936383500000000"; |
| |
| @SmallTest |
| public void testMatchesAnyField_Eddystone_Parser() { |
| final List<String> found = new ArrayList<>(); |
| final Predicate<byte[]> matcher = (v) -> { |
| found.add(HexDump.toHexString(v)); |
| return false; |
| }; |
| ScanRecord.parseFromBytes(HexDump.hexStringToByteArray(RECORD_URL)) |
| .matchesAnyField(matcher); |
| |
| assertEquals(Arrays.asList( |
| "020106", |
| "0303AAFE", |
| "1716AAFE10EE01626C7565636861726D626561636F6E7300", |
| "09168020691E0EFE1355", |
| "1109426C7565436861726D5F313639363835"), found); |
| } |
| |
| @SmallTest |
| public void testMatchesAnyField_Eddystone() { |
| final BytesMatcher matcher = BytesMatcher.decode("⊆0016AAFE/00FFFFFF"); |
| assertMatchesAnyField(RECORD_URL, matcher); |
| assertMatchesAnyField(RECORD_UUID, matcher); |
| assertMatchesAnyField(RECORD_TLM, matcher); |
| assertNotMatchesAnyField(RECORD_IBEACON, matcher); |
| } |
| |
| @SmallTest |
| public void testMatchesAnyField_iBeacon_Parser() { |
| final List<String> found = new ArrayList<>(); |
| final Predicate<byte[]> matcher = (v) -> { |
| found.add(HexDump.toHexString(v)); |
| return false; |
| }; |
| ScanRecord.parseFromBytes(HexDump.hexStringToByteArray(RECORD_IBEACON)) |
| .matchesAnyField(matcher); |
| |
| assertEquals(Arrays.asList( |
| "020106", |
| "1AFF4C000215426C7565436861726D426561636F6E730EFE1355C5", |
| "09168020691E0EFE1355", |
| "1109426C7565436861726D5F313639363835"), found); |
| } |
| |
| @SmallTest |
| public void testMatchesAnyField_iBeacon() { |
| final BytesMatcher matcher = BytesMatcher.decode("⊆00FF4C0002/00FFFFFFFF"); |
| assertNotMatchesAnyField(RECORD_URL, matcher); |
| assertNotMatchesAnyField(RECORD_UUID, matcher); |
| assertNotMatchesAnyField(RECORD_TLM, matcher); |
| assertMatchesAnyField(RECORD_IBEACON, matcher); |
| } |
| |
| @SmallTest |
| public void testParser() { |
| byte[] scanRecord = new byte[] { |
| 0x02, 0x01, 0x1a, // advertising flags |
| 0x05, 0x02, 0x0b, 0x11, 0x0a, 0x11, // 16 bit service uuids |
| 0x04, 0x09, 0x50, 0x65, 0x64, // name |
| 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 |
| }; |
| ScanRecord data = ScanRecord.parseFromBytes(scanRecord); |
| assertEquals(0x1a, data.getAdvertiseFlags()); |
| ParcelUuid uuid1 = ParcelUuid.fromString("0000110A-0000-1000-8000-00805F9B34FB"); |
| ParcelUuid uuid2 = ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB"); |
| assertTrue(data.getServiceUuids().contains(uuid1)); |
| assertTrue(data.getServiceUuids().contains(uuid2)); |
| |
| assertEquals("Ped", data.getDeviceName()); |
| assertEquals(-20, data.getTxPowerLevel()); |
| |
| assertTrue(data.getManufacturerSpecificData().get(0x00E0) != null); |
| assertArrayEquals(new byte[] { |
| 0x02, 0x15 }, data.getManufacturerSpecificData().get(0x00E0)); |
| |
| assertTrue(data.getServiceData().containsKey(uuid2)); |
| assertArrayEquals(new byte[] { |
| 0x50, 0x64 }, data.getServiceData().get(uuid2)); |
| } |
| |
| // Assert two byte arrays are equal. |
| private static void assertArrayEquals(byte[] expected, byte[] actual) { |
| if (!Arrays.equals(expected, actual)) { |
| fail("expected:<" + Arrays.toString(expected) + |
| "> but was:<" + Arrays.toString(actual) + ">"); |
| } |
| |
| } |
| |
| private static void assertMatchesAnyField(String record, BytesMatcher matcher) { |
| assertTrue(ScanRecord.parseFromBytes(HexDump.hexStringToByteArray(record)) |
| .matchesAnyField(matcher)); |
| } |
| |
| private static void assertNotMatchesAnyField(String record, BytesMatcher matcher) { |
| assertFalse(ScanRecord.parseFromBytes(HexDump.hexStringToByteArray(record)) |
| .matchesAnyField(matcher)); |
| } |
| } |