1// 2// Copyright (C) 2015 Google, Inc. 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at: 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15// 16 17#include <algorithm> 18#include <array> 19#include <stdint.h> 20 21#include <gtest/gtest.h> 22 23#include "service/common/bluetooth/uuid.h" 24 25using namespace bluetooth; 26 27namespace { 28 29const std::array<uint8_t, UUID::kNumBytes128> kBtSigBaseUUID = { 30 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 31 0x80, 0x00, 0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb, } 32}; 33 34} // namespace 35 36// Verify that an uninitialized UUID is equal 37// To the BT SIG Base UUID. 38TEST(UUIDTest, DefaultUUID) { 39 UUID uuid; 40 ASSERT_TRUE(uuid.is_valid()); 41 ASSERT_TRUE(uuid.GetFullBigEndian() == kBtSigBaseUUID); 42} 43 44// Verify that we initialize a 16-bit UUID in a 45// way consistent with how we read it. 46TEST(UUIDTest, Init16Bit) { 47 auto my_uuid_16 = kBtSigBaseUUID; 48 my_uuid_16[2] = 0xde; 49 my_uuid_16[3] = 0xad; 50 UUID uuid(UUID::UUID16Bit({{ 0xde, 0xad }})); 51 ASSERT_TRUE(uuid.is_valid()); 52 ASSERT_TRUE(uuid.GetFullBigEndian() == my_uuid_16); 53 ASSERT_TRUE(UUID::kNumBytes16 == uuid.GetShortestRepresentationSize()); 54} 55 56// Verify that we initialize a 16-bit UUID in a 57// way consistent with how we read it. 58TEST(UUIDTest, Init16BitString) { 59 auto my_uuid_16 = kBtSigBaseUUID; 60 my_uuid_16[2] = 0xde; 61 my_uuid_16[3] = 0xad; 62 UUID uuid("dead"); 63 ASSERT_TRUE(uuid.is_valid()); 64 ASSERT_TRUE(uuid.GetFullBigEndian() == my_uuid_16); 65 ASSERT_TRUE(UUID::kNumBytes16 == uuid.GetShortestRepresentationSize()); 66 67 uuid = UUID("0xdead"); 68 ASSERT_TRUE(uuid.is_valid()); 69 ASSERT_TRUE(uuid.GetFullBigEndian() == my_uuid_16); 70 ASSERT_TRUE(UUID::kNumBytes16 == uuid.GetShortestRepresentationSize()); 71} 72 73 74// Verify that we initialize a 32-bit UUID in a 75// way consistent with how we read it. 76TEST(UUIDTest, Init32Bit) { 77 auto my_uuid_32 = kBtSigBaseUUID; 78 my_uuid_32[0] = 0xde; 79 my_uuid_32[1] = 0xad; 80 my_uuid_32[2] = 0xbe; 81 my_uuid_32[3] = 0xef; 82 UUID uuid(UUID::UUID32Bit({{ 0xde, 0xad, 0xbe, 0xef }})); 83 ASSERT_TRUE(uuid.is_valid()); 84 ASSERT_TRUE(uuid.GetFullBigEndian() == my_uuid_32); 85 ASSERT_TRUE(UUID::kNumBytes32 == uuid.GetShortestRepresentationSize()); 86} 87 88// Verify correct reading of a 32-bit UUID initialized from string. 89TEST(UUIDTest, Init32BitString) { 90 auto my_uuid_32 = kBtSigBaseUUID; 91 my_uuid_32[0] = 0xde; 92 my_uuid_32[1] = 0xad; 93 my_uuid_32[2] = 0xbe; 94 my_uuid_32[3] = 0xef; 95 UUID uuid("deadbeef"); 96 ASSERT_TRUE(uuid.is_valid()); 97 ASSERT_TRUE(uuid.GetFullBigEndian() == my_uuid_32); 98 ASSERT_TRUE(UUID::kNumBytes32 == uuid.GetShortestRepresentationSize()); 99} 100 101// Verify that we initialize a 128-bit UUID in a 102// way consistent with how we read it. 103TEST(UUIDTest, Init128Bit) { 104 auto my_uuid_128 = kBtSigBaseUUID; 105 for (int i = 0; i < static_cast<int>(my_uuid_128.size()); ++i) { 106 my_uuid_128[i] = i; 107 } 108 109 UUID uuid(my_uuid_128); 110 ASSERT_TRUE(uuid.is_valid()); 111 ASSERT_TRUE(uuid.GetFullBigEndian() == my_uuid_128); 112 ASSERT_TRUE(UUID::kNumBytes128 == uuid.GetShortestRepresentationSize()); 113} 114 115// Verify that we initialize a 128-bit UUID in a 116// way consistent with how we read it as LE. 117TEST(UUIDTest, Init128BitLittleEndian) { 118 auto my_uuid_128 = kBtSigBaseUUID; 119 for (int i = 0; i < static_cast<int>(my_uuid_128.size()); ++i) { 120 my_uuid_128[i] = i; 121 } 122 123 UUID uuid(my_uuid_128); 124 std::reverse(my_uuid_128.begin(), my_uuid_128.end()); 125 ASSERT_TRUE(uuid.is_valid()); 126 ASSERT_TRUE(uuid.GetFullLittleEndian() == my_uuid_128); 127} 128 129// Verify that we initialize a 128-bit UUID in a 130// way consistent with how we read it. 131TEST(UUIDTest, Init128BitString) { 132 UUID::UUID128Bit my_uuid{ 133 { 7, 1, 6, 8, 14, 255, 16, 2, 3, 4, 5, 6, 7, 8, 9, 10 } 134 }; 135 std::string my_uuid_string("07010608-0eff-1002-0304-05060708090a"); 136 137 UUID uuid0(my_uuid); 138 UUID uuid1(my_uuid_string); 139 140 ASSERT_TRUE(uuid0.is_valid()); 141 ASSERT_TRUE(uuid1.is_valid()); 142 ASSERT_TRUE(uuid0 == uuid1); 143 ASSERT_TRUE(UUID::kNumBytes128 == uuid0.GetShortestRepresentationSize()); 144} 145 146TEST(UUIDTest, InitInvalid) { 147 UUID uuid0("000102030405060708090A0B0C0D0E0F"); 148 ASSERT_FALSE(uuid0.is_valid()); 149 150 UUID uuid1("1*90"); 151 ASSERT_FALSE(uuid1.is_valid()); 152 153 UUID uuid2("109g"); 154 ASSERT_FALSE(uuid1.is_valid()); 155} 156 157TEST(UUIDTest, ToString) { 158 const UUID::UUID16Bit data{{ 0x18, 0x0d }}; 159 UUID uuid(data); 160 std::string uuid_string = uuid.ToString(); 161 EXPECT_EQ("0000180d-0000-1000-8000-00805f9b34fb", uuid_string); 162} 163