1 /*
2  * Copyright 2024 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 "log.h"
20 #include "model/controller/dual_mode_controller.h"
21 
22 namespace rootcanal {
23 
24 using namespace bluetooth::hci;
25 
26 class InvalidPacketHandlerTest : public ::testing::Test {
27  public:
28   InvalidPacketHandlerTest() = default;
29   ~InvalidPacketHandlerTest() override = default;
30 
31  protected:
32   DualModeController controller_;
33 };
34 
35 // Set Event Mask command with missing parameters.
36 const std::vector<uint8_t> kInvalidCommandPacket = {0x01, 0x0C, 0x03,
37                                                     0xff, 0xff, 0xff};
38 
39 // Hardware Error event with code 0x43.
40 const std::vector<uint8_t> kHardwareErrorEvent = {0x10, 0x01, 0x43};
41 
TEST_F(InvalidPacketHandlerTest,DefaultHandler)42 TEST_F(InvalidPacketHandlerTest, DefaultHandler) {
43   // Validate that the default invalid packet handler causes
44   // an abort when an invalid packet is received.
45   ASSERT_DEATH(controller_.HandleCommand(std::make_shared<std::vector<uint8_t>>(
46                    kInvalidCommandPacket)),
47                "");
48 }
49 
TEST_F(InvalidPacketHandlerTest,RegisteredHandler)50 TEST_F(InvalidPacketHandlerTest, RegisteredHandler) {
51   static struct {
52     uint32_t id;
53     InvalidPacketReason reason;
54     std::vector<uint8_t> bytes;
55   } invalid_packet;
56 
57   static std::vector<uint8_t> hci_event;
58 
59   // Validate that the registered invalid packet handler is correctly
60   // invoked when an invalid packet is received.
61   controller_.RegisterInvalidPacketHandler(
62       [&](uint32_t id, InvalidPacketReason reason, std::string,
63           std::vector<uint8_t> const& bytes) {
64         invalid_packet.id = id;
65         invalid_packet.reason = reason;
66         invalid_packet.bytes = bytes;
67       });
68 
69   controller_.RegisterEventChannel(
70       [&](std::shared_ptr<std::vector<uint8_t>> packet) {
71         hci_event = std::vector<uint8_t>(*packet);
72       });
73 
74   controller_.HandleCommand(
75       std::make_shared<std::vector<uint8_t>>(kInvalidCommandPacket));
76   ASSERT_EQ(invalid_packet.id, controller_.id_);
77   ASSERT_EQ(invalid_packet.reason, InvalidPacketReason::kParseError);
78   ASSERT_EQ(invalid_packet.bytes, kInvalidCommandPacket);
79   ASSERT_EQ(hci_event, kHardwareErrorEvent);
80 }
81 
82 }  // namespace rootcanal
83