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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 "os/thread.h"
#include <sys/eventfd.h>
#include "common/bind.h"
#include "gtest/gtest.h"
#include "os/reactor.h"
namespace bluetooth {
namespace os {
namespace {
constexpr int kCheckIsSameThread = 1;
class SampleReactable {
public:
explicit SampleReactable(Thread* thread) : thread_(thread), fd_(eventfd(0, 0)), is_same_thread_checked_(false) {
EXPECT_NE(fd_, 0);
}
~SampleReactable() {
close(fd_);
}
void OnReadReady() {
EXPECT_TRUE(thread_->IsSameThread());
is_same_thread_checked_ = true;
uint64_t val;
eventfd_read(fd_, &val);
}
bool IsSameThreadCheckDone() {
return is_same_thread_checked_;
}
Thread* thread_;
int fd_;
bool is_same_thread_checked_;
};
class ThreadTest : public ::testing::Test {
protected:
void SetUp() override {
thread = new Thread("test", Thread::Priority::NORMAL);
}
void TearDown() override {
delete thread;
}
Thread* thread = nullptr;
};
TEST_F(ThreadTest, just_stop_no_op) {
thread->Stop();
}
TEST_F(ThreadTest, thread_name) {
EXPECT_EQ(thread->GetThreadName(), "test");
}
TEST_F(ThreadTest, thread_to_string) {
EXPECT_NE(thread->ToString().find("test"), std::string::npos);
}
TEST_F(ThreadTest, not_same_thread) {
EXPECT_FALSE(thread->IsSameThread());
}
TEST_F(ThreadTest, same_thread) {
Reactor* reactor = thread->GetReactor();
SampleReactable sample_reactable(thread);
auto* reactable =
reactor->Register(sample_reactable.fd_,
common::Bind(&SampleReactable::OnReadReady, common::Unretained(&sample_reactable)), Closure());
int fd = sample_reactable.fd_;
int write_result = eventfd_write(fd, kCheckIsSameThread);
EXPECT_EQ(write_result, 0);
while (!sample_reactable.IsSameThreadCheckDone()) std::this_thread::yield();
reactor->Unregister(reactable);
}
} // namespace
} // namespace os
} // namespace bluetooth
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