mirror of
https://github.com/chromium/crashpad.git
synced 2024-12-28 15:50:26 +08:00
c8a016b99d
BUG=837308 R=mark@chromium.org Change-Id: Ibecbfc7bc2d61ee54bc1114e4b20978adbc77db2 Reviewed-on: https://chromium-review.googlesource.com/c/1393921 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Avi Drissman <avi@chromium.org>
98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
// Copyright 2015 The Crashpad Authors. All rights reserved.
|
|
//
|
|
// 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 "util/thread/thread.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "util/synchronization/semaphore.h"
|
|
|
|
namespace crashpad {
|
|
namespace test {
|
|
namespace {
|
|
|
|
class NoopThread : public Thread {
|
|
public:
|
|
NoopThread() {}
|
|
~NoopThread() override {}
|
|
|
|
private:
|
|
void ThreadMain() override {}
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(NoopThread);
|
|
};
|
|
|
|
class WaitThread : public Thread {
|
|
public:
|
|
explicit WaitThread(Semaphore* semaphore) : semaphore_(semaphore) {}
|
|
~WaitThread() override {}
|
|
|
|
private:
|
|
void ThreadMain() override { semaphore_->Wait(); }
|
|
|
|
Semaphore* semaphore_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(WaitThread);
|
|
};
|
|
|
|
class JoinAndSignalThread : public Thread {
|
|
public:
|
|
JoinAndSignalThread(Thread* thread, Semaphore* semaphore)
|
|
: thread_(thread), semaphore_(semaphore) {}
|
|
~JoinAndSignalThread() override {}
|
|
|
|
private:
|
|
void ThreadMain() override {
|
|
thread_->Join();
|
|
semaphore_->Signal();
|
|
}
|
|
|
|
Thread* thread_;
|
|
Semaphore* semaphore_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(JoinAndSignalThread);
|
|
};
|
|
|
|
TEST(ThreadTest, NoStart) {
|
|
NoopThread thread;
|
|
}
|
|
|
|
TEST(ThreadTest, Start) {
|
|
NoopThread thread;
|
|
thread.Start();
|
|
thread.Join();
|
|
}
|
|
|
|
TEST(ThreadTest, JoinBlocks) {
|
|
Semaphore unblock_wait_thread_semaphore(0);
|
|
Semaphore join_completed_semaphore(0);
|
|
WaitThread wait_thread(&unblock_wait_thread_semaphore);
|
|
wait_thread.Start();
|
|
JoinAndSignalThread join_and_signal_thread(&wait_thread,
|
|
&join_completed_semaphore);
|
|
join_and_signal_thread.Start();
|
|
// join_completed_semaphore will be signaled when wait_thread.Join() returns
|
|
// (in JoinAndSignalThread::ThreadMain). Since wait_thread is blocking on
|
|
// unblock_wait_thread_semaphore, we don't expect the Join to return yet. We
|
|
// wait up to 100ms to give a broken implementation of Thread::Join a chance
|
|
// to return.
|
|
ASSERT_FALSE(join_completed_semaphore.TimedWait(.1));
|
|
unblock_wait_thread_semaphore.Signal();
|
|
join_completed_semaphore.Wait();
|
|
join_and_signal_thread.Join();
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace test
|
|
} // namespace crashpad
|