1 //
2 // Copyright 2016 The Android Open Source Project
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 <errno.h>
18 #include <fcntl.h>
19 #include <gtest/gtest.h>
20 
21 #include <string>
22 #include <vector>
23 using std::vector;
24 
25 #include "bluetooth_address.h"
26 
27 namespace android {
28 namespace hardware {
29 namespace bluetooth {
30 namespace V1_0 {
31 namespace implementation {
32 
33 constexpr char kTestAddr1[BluetoothAddress::kStringLength + 1] =
34     "12:34:56:78:9a:bc";
35 constexpr uint8_t kTestAddr1_bytes[BluetoothAddress::kBytes] = {
36     0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc};
37 constexpr char kZeros[BluetoothAddress::kStringLength + 1] =
38     "00:00:00:00:00:00";
39 constexpr uint8_t kZeros_bytes[BluetoothAddress::kBytes] = {0x00, 0x00, 0x00,
40                                                             0x00, 0x00, 0x00};
41 
42 class BluetoothAddressTest : public ::testing::Test {
43  public:
BluetoothAddressTest()44   BluetoothAddressTest() {}
~BluetoothAddressTest()45   ~BluetoothAddressTest() {}
46 
47   void FileWriteString(const char* path, const char* string);
48 };
49 
FileWriteString(const char * path,const char * string)50 void BluetoothAddressTest::FileWriteString(const char* path,
51                                            const char* string) {
52   int fd = open(path, O_CREAT | O_RDWR, 0600);
53   EXPECT_TRUE(fd > 0) << "err = " << strerror(errno);
54 
55   size_t length = strlen(string);
56   size_t bytes_written = write(fd, string, length);
57 
58   EXPECT_EQ(length, bytes_written) << strerror(errno);
59 
60   close(fd);
61 }
62 
TEST_F(BluetoothAddressTest,string_to_bytes)63 TEST_F(BluetoothAddressTest, string_to_bytes) {
64   uint8_t addr[BluetoothAddress::kBytes];
65 
66   // Malformed addresses
67   EXPECT_FALSE(BluetoothAddress::string_to_bytes("", addr));
68   EXPECT_FALSE(BluetoothAddress::string_to_bytes("000000000000", addr));
69   EXPECT_FALSE(BluetoothAddress::string_to_bytes("00:00:00:00:0000", addr));
70   EXPECT_FALSE(BluetoothAddress::string_to_bytes("00:00:00:00:00:0", addr));
71   EXPECT_FALSE(BluetoothAddress::string_to_bytes("00:00:00:00:00:0;", addr));
72   EXPECT_FALSE(BluetoothAddress::string_to_bytes("aB:cD:eF:Gh:iJ:Kl", addr));
73   EXPECT_FALSE(BluetoothAddress::string_to_bytes("00:00:000:00:00:0;", addr));
74   EXPECT_FALSE(BluetoothAddress::string_to_bytes("12:34:56:78:90:12;", addr));
75   EXPECT_FALSE(BluetoothAddress::string_to_bytes("12:34:56:78:90:123", addr));
76 
77   // Reasonable addresses
78   EXPECT_TRUE(BluetoothAddress::string_to_bytes("00:00:00:00:00:00", addr));
79   EXPECT_TRUE(BluetoothAddress::string_to_bytes("a5:a5:a5:a5:a5:a5", addr));
80   EXPECT_TRUE(BluetoothAddress::string_to_bytes("5A:5A:5A:5A:5A:5A", addr));
81   EXPECT_TRUE(BluetoothAddress::string_to_bytes("AA:BB:CC:DD:EE:FF", addr));
82   EXPECT_TRUE(BluetoothAddress::string_to_bytes("aa:bb:cc:dd:ee:ff", addr));
83 
84   // Compare the output to known bytes
85   uint8_t addrA[BluetoothAddress::kBytes];
86   uint8_t addrB[BluetoothAddress::kBytes];
87 
88   // kTestAddr1
89   EXPECT_TRUE(BluetoothAddress::string_to_bytes(kTestAddr1, addrA));
90   EXPECT_TRUE(memcmp(addrA, kTestAddr1_bytes, BluetoothAddress::kBytes) == 0);
91 
92   // kZeros
93   EXPECT_TRUE(BluetoothAddress::string_to_bytes(kZeros, addrB));
94   EXPECT_TRUE(memcmp(addrB, kZeros_bytes, BluetoothAddress::kBytes) == 0);
95 
96   // kTestAddr1 != kZeros
97   EXPECT_FALSE(memcmp(addrA, addrB, BluetoothAddress::kBytes) == 0);
98 }
99 
TEST_F(BluetoothAddressTest,bytes_to_string)100 TEST_F(BluetoothAddressTest, bytes_to_string) {
101   char addrA[BluetoothAddress::kStringLength + 1] = "";
102   char addrB[BluetoothAddress::kStringLength + 1] = "";
103 
104   // kTestAddr1
105   BluetoothAddress::bytes_to_string(kTestAddr1_bytes, addrA);
106   EXPECT_TRUE(memcmp(addrA, kTestAddr1, BluetoothAddress::kStringLength) == 0);
107 
108   // kZeros
109   BluetoothAddress::bytes_to_string(kZeros_bytes, addrB);
110   EXPECT_TRUE(memcmp(addrB, kZeros, BluetoothAddress::kStringLength) == 0);
111 
112   // kTestAddr1 != kZeros
113   EXPECT_FALSE(memcmp(addrA, addrB, BluetoothAddress::kStringLength) == 0);
114 }
115 
116 }  // namespace implementation
117 }  // namespace V1_0
118 }  // namespace bluetooth
119 }  // namespace hardware
120 }  // namespace android
121