| /* |
| * Copyright (C) 2022 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. |
| */ |
| |
| /* |
| * Copyright (C) 2021 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 com.android.server.nearby.common.ble; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.os.ParcelUuid; |
| import android.util.SparseArray; |
| |
| import androidx.test.filters.SdkSuppress; |
| |
| import org.junit.Test; |
| |
| /** Test for Bluetooth LE {@link BleRecord}. */ |
| public class BleRecordTest { |
| |
| // iBeacon (Apple) Packet 1 |
| private static final byte[] BEACON = { |
| // Flags |
| (byte) 0x02, |
| (byte) 0x01, |
| (byte) 0x06, |
| // Manufacturer-specific data header |
| (byte) 0x1a, |
| (byte) 0xff, |
| (byte) 0x4c, |
| (byte) 0x00, |
| // iBeacon Type |
| (byte) 0x02, |
| // Frame length |
| (byte) 0x15, |
| // iBeacon Proximity UUID |
| (byte) 0xf7, |
| (byte) 0x82, |
| (byte) 0x6d, |
| (byte) 0xa6, |
| (byte) 0x4f, |
| (byte) 0xa2, |
| (byte) 0x4e, |
| (byte) 0x98, |
| (byte) 0x80, |
| (byte) 0x24, |
| (byte) 0xbc, |
| (byte) 0x5b, |
| (byte) 0x71, |
| (byte) 0xe0, |
| (byte) 0x89, |
| (byte) 0x3e, |
| // iBeacon Instance ID (Major/Minor) |
| (byte) 0x44, |
| (byte) 0xd0, |
| (byte) 0x25, |
| (byte) 0x22, |
| // Tx Power |
| (byte) 0xb3, |
| // RSP |
| (byte) 0x08, |
| (byte) 0x09, |
| (byte) 0x4b, |
| (byte) 0x6f, |
| (byte) 0x6e, |
| (byte) 0x74, |
| (byte) 0x61, |
| (byte) 0x6b, |
| (byte) 0x74, |
| (byte) 0x02, |
| (byte) 0x0a, |
| (byte) 0xf4, |
| (byte) 0x0a, |
| (byte) 0x16, |
| (byte) 0x0d, |
| (byte) 0xd0, |
| (byte) 0x74, |
| (byte) 0x6d, |
| (byte) 0x4d, |
| (byte) 0x6b, |
| (byte) 0x32, |
| (byte) 0x36, |
| (byte) 0x64, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00 |
| }; |
| |
| // iBeacon (Apple) Packet 1 |
| private static final byte[] SAME_BEACON = { |
| // Flags |
| (byte) 0x02, |
| (byte) 0x01, |
| (byte) 0x06, |
| // Manufacturer-specific data header |
| (byte) 0x1a, |
| (byte) 0xff, |
| (byte) 0x4c, |
| (byte) 0x00, |
| // iBeacon Type |
| (byte) 0x02, |
| // Frame length |
| (byte) 0x15, |
| // iBeacon Proximity UUID |
| (byte) 0xf7, |
| (byte) 0x82, |
| (byte) 0x6d, |
| (byte) 0xa6, |
| (byte) 0x4f, |
| (byte) 0xa2, |
| (byte) 0x4e, |
| (byte) 0x98, |
| (byte) 0x80, |
| (byte) 0x24, |
| (byte) 0xbc, |
| (byte) 0x5b, |
| (byte) 0x71, |
| (byte) 0xe0, |
| (byte) 0x89, |
| (byte) 0x3e, |
| // iBeacon Instance ID (Major/Minor) |
| (byte) 0x44, |
| (byte) 0xd0, |
| (byte) 0x25, |
| (byte) 0x22, |
| // Tx Power |
| (byte) 0xb3, |
| // RSP |
| (byte) 0x08, |
| (byte) 0x09, |
| (byte) 0x4b, |
| (byte) 0x6f, |
| (byte) 0x6e, |
| (byte) 0x74, |
| (byte) 0x61, |
| (byte) 0x6b, |
| (byte) 0x74, |
| (byte) 0x02, |
| (byte) 0x0a, |
| (byte) 0xf4, |
| (byte) 0x0a, |
| (byte) 0x16, |
| (byte) 0x0d, |
| (byte) 0xd0, |
| (byte) 0x74, |
| (byte) 0x6d, |
| (byte) 0x4d, |
| (byte) 0x6b, |
| (byte) 0x32, |
| (byte) 0x36, |
| (byte) 0x64, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00, |
| (byte) 0x00 |
| }; |
| |
| // iBeacon (Apple) Packet 1 with a modified second field. |
| private static final byte[] OTHER_BEACON = { |
| (byte) 0x02, // Length of this Data |
| (byte) 0x02, // <<Flags>> |
| (byte) 0x04, // BR/EDR Not Supported. |
| // Apple Specific Data |
| 26, // length of data that follows |
| (byte) 0xff, // <<Manufacturer Specific Data>> |
| // Company Identifier Code = Apple |
| (byte) 0x4c, // LSB |
| (byte) 0x00, // MSB |
| // iBeacon Header |
| 0x02, |
| // iBeacon Length |
| 0x15, |
| // UUID = PROXIMITY_NOW |
| // IEEE 128-bit UUID represented as UUID[15]: msb To UUID[0]: lsb |
| (byte) 0x14, |
| (byte) 0xe4, |
| (byte) 0xfd, |
| (byte) 0x9f, // UUID[15] - UUID[12] |
| (byte) 0x66, |
| (byte) 0x67, |
| (byte) 0x4c, |
| (byte) 0xcb, // UUID[11] - UUID[08] |
| (byte) 0xa6, |
| (byte) 0x1b, |
| (byte) 0x24, |
| (byte) 0xd0, // UUID[07] - UUID[04] |
| (byte) 0x9a, |
| (byte) 0xb1, |
| (byte) 0x7e, |
| (byte) 0x93, // UUID[03] - UUID[00] |
| // ID as an int (decimal) = 1297482358 |
| (byte) 0x76, // Major H |
| (byte) 0x02, // Major L |
| (byte) 0x56, // Minor H |
| (byte) 0x4d, // Minor L |
| // Normalized Tx Power of -77dbm |
| (byte) 0xb3, |
| 0x00, // Zero padding for testing |
| }; |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 32, codeName = "T") |
| public void testEquals() { |
| BleRecord record = BleRecord.parseFromBytes(BEACON); |
| BleRecord record2 = BleRecord.parseFromBytes(SAME_BEACON); |
| |
| assertThat(record).isEqualTo(record2); |
| |
| // Different items. |
| record2 = BleRecord.parseFromBytes(OTHER_BEACON); |
| assertThat(record).isNotEqualTo(record2); |
| assertThat(record.hashCode()).isNotEqualTo(record2.hashCode()); |
| } |
| |
| @Test |
| public void testFields() { |
| BleRecord record = BleRecord.parseFromBytes(BEACON); |
| assertThat(byteString(record.getManufacturerSpecificData())) |
| .isEqualTo(" 0215F7826DA64FA24E988024BC5B71E0893E44D02522B3"); |
| assertThat( |
| byteString(record.getServiceData( |
| ParcelUuid.fromString("000000E0-0000-1000-8000-00805F9B34FB")))) |
| .isEqualTo("[null]"); |
| assertThat(record.getTxPowerLevel()).isEqualTo(-12); |
| assertThat(record.toString()).isEqualTo( |
| "BleRecord [advertiseFlags=6, serviceUuids=[], " |
| + "manufacturerSpecificData={76=[2, 21, -9, -126, 109, -90, 79, -94, 78," |
| + " -104, -128, 36, -68, 91, 113, -32, -119, 62, 68, -48, 37, 34, -77]}," |
| + " serviceData={0000d00d-0000-1000-8000-00805f9b34fb" |
| + "=[116, 109, 77, 107, 50, 54, 100]}," |
| + " txPowerLevel=-12, deviceName=Kontakt]"); |
| } |
| |
| private static String byteString(SparseArray<byte[]> bytesArray) { |
| StringBuilder builder = new StringBuilder(); |
| for (int i = 0; i < bytesArray.size(); i++) { |
| builder.append(builder.toString().isEmpty() ? " " : "\n "); |
| builder.append(byteString(bytesArray.valueAt(i))); |
| } |
| return builder.toString(); |
| } |
| |
| private static String byteString(byte[] bytes) { |
| if (bytes == null) { |
| return "[null]"; |
| } else { |
| final char[] hexArray = "0123456789ABCDEF".toCharArray(); |
| char[] hexChars = new char[bytes.length * 2]; |
| for (int i = 0; i < bytes.length; i++) { |
| int v = bytes[i] & 0xFF; |
| hexChars[i * 2] = hexArray[v >>> 4]; |
| hexChars[i * 2 + 1] = hexArray[v & 0x0F]; |
| } |
| return new String(hexChars); |
| } |
| } |
| } |
| |
