1 /*
2 * Copyright (C) 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 "com_android_bluetooth_flags.h"
24 #include "hal/hci_backend.h"
25 #include "hal/hci_hal.h"
26 #include "os/thread.h"
27
28 using ::bluetooth::os::Thread;
29
30 namespace bluetooth::hal {
31
32 class TestBackend : public HciBackend {
33 public:
34 static std::chrono::milliseconds initialization_delay;
35
36 std::shared_ptr<HciBackendCallbacks> callbacks;
37 struct {
38 std::queue<std::vector<uint8_t>> cmd, acl, sco, iso;
39 } queues;
40
initialize(std::shared_ptr<HciBackendCallbacks> callbacks)41 void initialize(std::shared_ptr<HciBackendCallbacks> callbacks) override {
42 this->callbacks = callbacks;
43 std::thread(
44 [callbacks](std::chrono::milliseconds delay) {
45 std::this_thread::sleep_for(delay);
46 callbacks->initializationComplete();
47 },
48 TestBackend::initialization_delay)
49 .detach();
50 }
51
sendHciCommand(const std::vector<uint8_t> & command)52 void sendHciCommand(const std::vector<uint8_t>& command) override { queues.cmd.push(command); }
sendAclData(const std::vector<uint8_t> & packet)53 void sendAclData(const std::vector<uint8_t>& packet) override { queues.acl.push(packet); }
sendScoData(const std::vector<uint8_t> & packet)54 void sendScoData(const std::vector<uint8_t>& packet) override { queues.sco.push(packet); }
sendIsoData(const std::vector<uint8_t> & packet)55 void sendIsoData(const std::vector<uint8_t>& packet) override { queues.iso.push(packet); }
56 };
57
58 std::shared_ptr<TestBackend> backend;
59 std::chrono::milliseconds TestBackend::initialization_delay = std::chrono::milliseconds(0);
60
CreateAidl()61 std::shared_ptr<HciBackend> HciBackend::CreateAidl() {
62 backend = std::make_shared<TestBackend>();
63 return backend;
64 }
65
CreateHidl(::bluetooth::os::Handler * handler)66 std::shared_ptr<HciBackend> HciBackend::CreateHidl(
67 [[maybe_unused]] ::bluetooth::os::Handler* handler) {
68 backend = std::make_shared<TestBackend>();
69 return backend;
70 }
71
72 namespace {
73
74 class HciHalAndroidTest : public ::testing::Test {
75 protected:
SetUp()76 void SetUp() override {
77 thread_ = new Thread("test_thread", Thread::Priority::NORMAL);
78 handler_ = new os::Handler(thread_);
79 hal = fake_registry_.Start<HciHal>(thread_, handler_);
80 }
81
TearDown()82 void TearDown() override {
83 handler_->Clear();
84 if (com::android::bluetooth::flags::same_handler_for_all_modules()) {
85 handler_->WaitUntilStopped(bluetooth::kHandlerStopTimeout);
86 }
87 fake_registry_.StopAll();
88 delete handler_;
89 delete thread_;
90 }
91
92 HciHal* hal;
93
94 private:
95 ModuleRegistry fake_registry_;
96 Thread* thread_;
97 os::Handler* handler_;
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