1 /*
2 * Copyright 2019 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 "packet/raw_builder.h"
18
19 #include <gtest/gtest.h>
20 #include <forward_list>
21 #include <memory>
22
23 #include "hci/address.h"
24
25 using bluetooth::hci::Address;
26 using bluetooth::packet::BitInserter;
27 using std::vector;
28
29 namespace {
30 vector<uint8_t> count = {
31 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
32 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
33 };
34
35 } // namespace
36
37 namespace bluetooth {
38 namespace packet {
39
40 class RawBuilderTest : public ::testing::Test {
41 public:
42 RawBuilderTest() = default;
43 ~RawBuilderTest() = default;
44 };
45
TEST(RawBuilderTest,buildCountTest)46 TEST(RawBuilderTest, buildCountTest) {
47 std::unique_ptr<RawBuilder> count_builder = std::make_unique<RawBuilder>();
48 ASSERT_EQ(0u, count_builder->size());
49 count_builder->AddOctets8(0x0706050403020100);
50 count_builder->AddOctets4(0x0b0a0908);
51 count_builder->AddOctets2(0x0d0c);
52 count_builder->AddOctets1(0x0e);
53 count_builder->AddOctets1(0x0f);
54 count_builder->AddAddress(Address({0x10, 0x11, 0x12, 0x13, 0x14, 0x15}));
55 std::vector<uint8_t> count_subset(count.begin() + 0x16, count.end());
56 count_builder->AddOctets(count_subset);
57
58 ASSERT_EQ(count.size(), count_builder->size());
59
60 std::vector<uint8_t> packet;
61 BitInserter it(packet);
62
63 count_builder->Serialize(it);
64
65 ASSERT_EQ(count, packet);
66 }
67
TEST(RawBuilderTest,buildStartingWithVector)68 TEST(RawBuilderTest, buildStartingWithVector) {
69 std::vector<uint8_t> count_first(count.begin(), count.begin() + 0x8);
70 std::unique_ptr<RawBuilder> count_builder = std::make_unique<RawBuilder>(count_first);
71 count_builder->AddOctets4(0x0b0a0908);
72 count_builder->AddOctets2(0x0d0c);
73 count_builder->AddOctets1(0x0e);
74 count_builder->AddOctets1(0x0f);
75 count_builder->AddOctets8(0x1716151413121110);
76 std::vector<uint8_t> count_last(count.begin() + 0x18, count.end());
77 count_builder->AddOctets(count_last);
78
79 ASSERT_EQ(count.size(), count_builder->size());
80
81 std::vector<uint8_t> packet;
82 BitInserter it(packet);
83
84 count_builder->Serialize(it);
85
86 ASSERT_EQ(count, packet);
87 }
88
TEST(RawBuilderTest,testMaxBytes)89 TEST(RawBuilderTest, testMaxBytes) {
90 const size_t kMaxBytes = count.size();
91 std::unique_ptr<RawBuilder> count_builder = std::make_unique<RawBuilder>(kMaxBytes);
92 ASSERT_TRUE(count_builder->AddOctets(count));
93 ASSERT_FALSE(count_builder->AddOctets4(0x0b0a0908));
94 ASSERT_FALSE(count_builder->AddOctets2(0x0d0c));
95 ASSERT_FALSE(count_builder->AddOctets1(0x0e));
96 ASSERT_FALSE(count_builder->AddOctets1(0x0f));
97 ASSERT_FALSE(count_builder->AddOctets8(0x1716151413121110));
98 std::vector<uint8_t> count_last(count.begin() + 0x18, count.end());
99 ASSERT_FALSE(count_builder->AddOctets(count_last));
100
101 ASSERT_EQ(count.size(), count_builder->size());
102
103 std::vector<uint8_t> packet;
104 BitInserter it(packet);
105
106 count_builder->Serialize(it);
107
108 ASSERT_EQ(count, packet);
109 }
110
111 } // namespace packet
112 } // namespace bluetooth
113