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 "avrcp_browse_packet.h"
18 
19 #include <gtest/gtest.h>
20 
21 #include "avrcp_test_packets.h"
22 #include "packet_test_helper.h"
23 
24 namespace bluetooth {
25 
26 // A helper class that has public accessors to protected methods
27 class TestPacketBuilder : public PacketBuilder {
28 public:
MakeBuilder(std::vector<uint8_t> data)29   static std::unique_ptr<TestPacketBuilder> MakeBuilder(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::AddPayloadOctets1;
36   using PacketBuilder::AddPayloadOctets2;
37   using PacketBuilder::AddPayloadOctets3;
38   using PacketBuilder::AddPayloadOctets4;
39   using PacketBuilder::AddPayloadOctets6;
40   using PacketBuilder::AddPayloadOctets8;
41   using PacketBuilder::ReserveSpace;
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 TestBrowsePacket = TestPacketType<BrowsePacket>;
63 
TEST(AvrcpBrowsePacketBuilderTest,buildPacketTest)64 TEST(AvrcpBrowsePacketBuilderTest, buildPacketTest) {
65   std::vector<uint8_t> get_folder_items_request_payload = {0x00, 0x00, 0x00, 0x00, 0x00,
66                                                            0x00, 0x00, 0x00, 0x03, 0x00};
67   auto payload_builder = TestPacketBuilder::MakeBuilder(get_folder_items_request_payload);
68 
69   auto builder =
70           BrowsePacketBuilder::MakeBuilder(BrowsePdu::GET_FOLDER_ITEMS, std::move(payload_builder));
71 
72   ASSERT_EQ(builder->size(), get_folder_items_request.size());
73 
74   auto test_packet = TestBrowsePacket::Make();
75   builder->Serialize(test_packet);
76   ASSERT_EQ(test_packet->GetData(), get_folder_items_request);
77 }
78 
TEST(AvrcpBrowsePacketTest,gettersTest)79 TEST(AvrcpBrowsePacketTest, gettersTest) {
80   auto test_browse_packet = TestBrowsePacket::Make(get_folder_items_request);
81 
82   ASSERT_EQ(test_browse_packet->GetPdu(), BrowsePdu::GET_FOLDER_ITEMS);
83   ASSERT_EQ(test_browse_packet->GetLength(), 10u);
84 }
85 
TEST(AvrcpBrowsePacketTest,payloadBoundsTest)86 TEST(AvrcpBrowsePacketTest, payloadBoundsTest) {
87   auto test_browse_packet = TestBrowsePacket::Make(get_folder_items_request);
88   std::vector<uint8_t> get_folder_items_request_payload = {0x00, 0x00, 0x00, 0x00, 0x00,
89                                                            0x00, 0x00, 0x00, 0x03, 0x00};
90 
91   // Make a folder items payload packet out of the payload of the browse packet
92   auto get_folder_items_payload = TestBrowsePacket::Make(test_browse_packet);
93 
94   for (size_t i = 0; i < get_folder_items_request_payload.size(); i++) {
95     ASSERT_EQ((*get_folder_items_payload)[i], get_folder_items_request_payload[i]);
96   }
97 }
98 
TEST(AvrcpBrowsePacketTest,validTest)99 TEST(AvrcpBrowsePacketTest, validTest) {
100   auto test_browse_packet = TestBrowsePacket::Make(get_folder_items_request);
101 
102   ASSERT_TRUE(test_browse_packet->IsValid());
103 }
104 
TEST(AvrcpBrowsePacketTest,invalidTest)105 TEST(AvrcpBrowsePacketTest, invalidTest) {
106   auto packet_copy = get_folder_items_request;
107   packet_copy.push_back(0x00);
108   auto test_browse_packet = TestBrowsePacket::Make(packet_copy);
109   ASSERT_FALSE(test_browse_packet->IsValid());
110 
111   std::vector<uint8_t> short_packet = {0x00, 0x01};
112   test_browse_packet = TestBrowsePacket::Make(short_packet);
113   ASSERT_FALSE(test_browse_packet->IsValid());
114 }
115 
116 }  // namespace avrcp
117 }  // namespace bluetooth
118