| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "common/bidi_queue.h" |
| |
| #include <future> |
| |
| #include "common/bind.h" |
| #include "gtest/gtest.h" |
| #include "os/handler.h" |
| #include "os/thread.h" |
| |
| using ::bluetooth::os::Handler; |
| using ::bluetooth::os::Thread; |
| |
| namespace bluetooth { |
| namespace common { |
| namespace { |
| |
| class BidiQueueTest : public ::testing::Test { |
| protected: |
| void SetUp() override { |
| up_thread_ = new Thread("up_thread", Thread::Priority::NORMAL); |
| up_handler_ = new Handler(up_thread_); |
| down_thread_ = new Thread("down_thread", Thread::Priority::NORMAL); |
| down_handler_ = new Handler(down_thread_); |
| } |
| |
| void TearDown() override { |
| delete up_handler_; |
| delete up_thread_; |
| delete down_handler_; |
| delete down_thread_; |
| } |
| |
| Thread* up_thread_; |
| Handler* up_handler_; |
| Thread* down_thread_; |
| Handler* down_handler_; |
| }; |
| |
| class A {}; |
| |
| class B {}; |
| |
| template <typename TA, typename TB> |
| class TestBidiQueueEnd { |
| public: |
| explicit TestBidiQueueEnd(BidiQueueEnd<TA, TB>* end, Handler* handler) : handler_(handler), end_(end) {} |
| |
| ~TestBidiQueueEnd() { |
| handler_->Clear(); |
| } |
| |
| std::promise<void>* Send(TA* value) { |
| std::promise<void>* promise = new std::promise<void>(); |
| handler_->Post(BindOnce( |
| &TestBidiQueueEnd<TA, TB>::handle_send, |
| common::Unretained(this), |
| common::Unretained(value), |
| common::Unretained(promise))); |
| return promise; |
| } |
| |
| std::promise<TB*>* Receive() { |
| std::promise<TB*>* promise = new std::promise<TB*>(); |
| handler_->Post( |
| BindOnce(&TestBidiQueueEnd<TA, TB>::handle_receive, common::Unretained(this), common::Unretained(promise))); |
| |
| return promise; |
| } |
| |
| void handle_send(TA* value, std::promise<void>* promise) { |
| end_->RegisterEnqueue( |
| handler_, |
| Bind( |
| &TestBidiQueueEnd<TA, TB>::handle_register_enqueue, |
| common::Unretained(this), |
| common::Unretained(value), |
| common::Unretained(promise))); |
| } |
| |
| std::unique_ptr<TA> handle_register_enqueue(TA* value, std::promise<void>* promise) { |
| end_->UnregisterEnqueue(); |
| promise->set_value(); |
| return std::unique_ptr<TA>(value); |
| } |
| |
| void handle_receive(std::promise<TB*>* promise) { |
| end_->RegisterDequeue( |
| handler_, |
| Bind( |
| &TestBidiQueueEnd<TA, TB>::handle_register_dequeue, common::Unretained(this), common::Unretained(promise))); |
| } |
| |
| void handle_register_dequeue(std::promise<TB*>* promise) { |
| end_->UnregisterDequeue(); |
| promise->set_value(end_->TryDequeue().get()); |
| } |
| |
| private: |
| Handler* handler_; |
| BidiQueueEnd<TA, TB>* end_; |
| }; |
| |
| TEST_F(BidiQueueTest, simple_test) { |
| BidiQueue<A, B> queue(100); |
| TestBidiQueueEnd<B, A> test_up(queue.GetUpEnd(), up_handler_); |
| TestBidiQueueEnd<A, B> test_down(queue.GetDownEnd(), down_handler_); |
| |
| auto sending_b = new B(); |
| auto promise_sending_b = test_up.Send(sending_b); |
| promise_sending_b->get_future().wait(); |
| auto promise_receive_b = test_down.Receive(); |
| EXPECT_EQ(promise_receive_b->get_future().get(), sending_b); |
| delete promise_receive_b; |
| delete promise_sending_b; |
| |
| auto sending_a = new A(); |
| auto promise_sending_a = test_down.Send(sending_a); |
| promise_sending_a->get_future().wait(); |
| auto promise_receive_a = test_up.Receive(); |
| EXPECT_EQ(promise_receive_a->get_future().get(), sending_a); |
| delete promise_receive_a; |
| delete promise_sending_a; |
| } |
| |
| } // namespace |
| } // namespace common |
| } // namespace bluetooth |