1 /*
2  * Copyright 2018 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 <gtest/gtest.h>
18 
19 #include "avrcp_packet.h"
20 #include "avrcp_test_packets.h"
21 #include "packet_test_helper.h"
22 
23 namespace bluetooth {
24 
25 // A helper class that has public accessors to protected methods
26 class TestPacketBuilder : public PacketBuilder {
27  public:
MakeBuilder(std::vector<uint8_t> data)28   static std::unique_ptr<TestPacketBuilder> MakeBuilder(
29       std::vector<uint8_t> data) {
30     std::unique_ptr<TestPacketBuilder> builder(new TestPacketBuilder(data));
31     return builder;
32   };
33 
34   // Make all the utility functions public
35   using PacketBuilder::ReserveSpace;
36   using PacketBuilder::AddPayloadOctets1;
37   using PacketBuilder::AddPayloadOctets2;
38   using PacketBuilder::AddPayloadOctets3;
39   using PacketBuilder::AddPayloadOctets4;
40   using PacketBuilder::AddPayloadOctets6;
41   using PacketBuilder::AddPayloadOctets8;
42 
size() const43   size_t size() const override { return data_.size(); };
44 
Serialize(const std::shared_ptr<Packet> & pkt)45   bool Serialize(const std::shared_ptr<Packet>& pkt) override {
46     ReserveSpace(pkt, size());
47 
48     for (uint8_t byte : data_) {
49       AddPayloadOctets1(pkt, byte);
50     }
51 
52     return true;
53   }
54 
TestPacketBuilder(std::vector<uint8_t> data)55   TestPacketBuilder(std::vector<uint8_t> data) : data_(data){};
56 
57   std::vector<uint8_t> data_;
58 };
59 
60 namespace avrcp {
61 
62 using TestAvrcpPacket = TestPacketType<Packet>;
63 
TEST(AvrcpPacketBuilderTest,buildPacketTest)64 TEST(AvrcpPacketBuilderTest, buildPacketTest) {
65   std::vector<uint8_t> get_capabilities_request_payload = {
66       0x00, 0x19, 0x58, 0x10, 0x00, 0x00, 0x01, 0x03};
67   auto cap_req_builder =
68       TestPacketBuilder::MakeBuilder(get_capabilities_request_payload);
69 
70   auto builder = PacketBuilder::MakeBuilder(
71       CType::STATUS, 0x09, 0x00, Opcode::VENDOR, std::move(cap_req_builder));
72 
73   ASSERT_EQ(builder->size(), get_capabilities_request.size());
74 
75   auto test_packet = TestAvrcpPacket::Make();
76   builder->Serialize(test_packet);
77   ASSERT_EQ(test_packet->GetData(), get_capabilities_request);
78 }
79 
TEST(AvrcpPacketTest,getterTests)80 TEST(AvrcpPacketTest, getterTests) {
81   auto test_avrcp_packet = TestAvrcpPacket::Make(get_capabilities_request);
82 
83   ASSERT_EQ(test_avrcp_packet->GetCType(), CType::STATUS);
84   ASSERT_EQ(test_avrcp_packet->GetSubunitType(), 0x09);
85   ASSERT_EQ(test_avrcp_packet->GetSubunitId(), 0x00);
86   ASSERT_EQ(test_avrcp_packet->GetOpcode(), Opcode::VENDOR);
87 }
88 
TEST(AvrcpPacketTest,getterMaskTests)89 TEST(AvrcpPacketTest, getterMaskTests) {
90   auto bad_get_cap_data = get_capabilities_request;
91   bad_get_cap_data[0] = 0xFF;  // CType
92   bad_get_cap_data[1] = 0xFF;  // Subunit Type & ID
93 
94   auto test_avrcp_packet = TestAvrcpPacket::Make(bad_get_cap_data);
95 
96   ASSERT_EQ(test_avrcp_packet->GetCType(), CType::INTERIM);
97   ASSERT_EQ(test_avrcp_packet->GetSubunitType(), 0b00011111);
98   ASSERT_EQ(test_avrcp_packet->GetSubunitId(), 0b00000111);
99 }
100 
TEST(AvrcpPacketTest,payloadBoundsTest)101 TEST(AvrcpPacketTest, payloadBoundsTest) {
102   auto test_avrcp_packet = TestAvrcpPacket::Make(get_capabilities_request);
103 
104   std::vector<uint8_t> get_cap_payload_data = {0x00, 0x19, 0x58, 0x10,
105                                                0x00, 0x00, 0x01, 0x03};
106 
107   auto get_cap_payload_packet = TestAvrcpPacket::Make(test_avrcp_packet);
108 
109   // We are unable to do a direct vector compare here as one of the packets is
110   // a larger vector that only has a segment of data currently visible.
111   for (size_t i = 0; i < get_cap_payload_data.size(); i++) {
112     ASSERT_EQ(get_cap_payload_data[i], (*get_cap_payload_packet)[i]);
113   }
114 }
115 
116 }  // namespace avrcp
117 }  // namespace bluetooth