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 <chrono>
20 #include <queue>
21 #include <thread>
22
23 #include "hal/hci_backend.h"
24 #include "hal/hci_hal.h"
25 #include "os/thread.h"
26
27 using ::bluetooth::os::Thread;
28
29 namespace bluetooth::hal {
30
31 class TestBackend : public HciBackend {
32 public:
33 static std::chrono::milliseconds initialization_delay;
34
35 std::shared_ptr<HciBackendCallbacks> callbacks;
36 struct {
37 std::queue<std::vector<uint8_t>> cmd, acl, sco, iso;
38 } queues;
39
initialize(std::shared_ptr<HciBackendCallbacks> callbacks)40 void initialize(std::shared_ptr<HciBackendCallbacks> callbacks) override {
41 this->callbacks = callbacks;
42 std::thread(
43 [callbacks](std::chrono::milliseconds delay) {
44 std::this_thread::sleep_for(delay);
45 callbacks->initializationComplete();
46 },
47 TestBackend::initialization_delay)
48 .detach();
49 }
50
sendHciCommand(const std::vector<uint8_t> & command)51 void sendHciCommand(const std::vector<uint8_t>& command) override {
52 queues.cmd.push(command);
53 }
sendAclData(const std::vector<uint8_t> & packet)54 void sendAclData(const std::vector<uint8_t>& packet) override {
55 queues.acl.push(packet);
56 }
sendScoData(const std::vector<uint8_t> & packet)57 void sendScoData(const std::vector<uint8_t>& packet) override {
58 queues.sco.push(packet);
59 }
sendIsoData(const std::vector<uint8_t> & packet)60 void sendIsoData(const std::vector<uint8_t>& packet) override {
61 queues.iso.push(packet);
62 }
63 };
64
65 std::shared_ptr<TestBackend> backend;
66 std::chrono::milliseconds TestBackend::initialization_delay = std::chrono::milliseconds(0);
67
CreateAidl()68 std::shared_ptr<HciBackend> HciBackend::CreateAidl() {
69 backend = std::make_shared<TestBackend>();
70 return backend;
71 }
72
CreateHidl(::bluetooth::os::Handler * handler)73 std::shared_ptr<HciBackend> HciBackend::CreateHidl(
74 [[maybe_unused]] ::bluetooth::os::Handler* handler) {
75 backend = std::make_shared<TestBackend>();
76 return backend;
77 }
78
79 namespace {
80
81 class HciHalAndroidTest : public ::testing::Test {
82 protected:
SetUp()83 void SetUp() override {
84 thread_ = new Thread("test_thread", Thread::Priority::NORMAL);
85 hal = fake_registry_.Start<HciHal>(thread_);
86 }
87
TearDown()88 void TearDown() override {
89 fake_registry_.StopAll();
90 delete thread_;
91 }
92
93 HciHal* hal;
94
95 private:
96 ModuleRegistry fake_registry_;
97 Thread* thread_;
98 };
99
TEST_F(HciHalAndroidTest,init)100 TEST_F(HciHalAndroidTest, init) {
101 TearDown();
102
103 TestBackend::initialization_delay = std::chrono::milliseconds(100);
104 const auto t0 = std::chrono::steady_clock::now();
105 SetUp();
106 const auto t1 = std::chrono::steady_clock::now();
107
108 EXPECT_GE(t1 - t0, TestBackend::initialization_delay);
109 TestBackend::initialization_delay = std::chrono::milliseconds(0);
110 }
111
112 } // namespace
113 } // namespace bluetooth::hal
114