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/*
* 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