mirror of
https://github.com/chromium/crashpad.git
synced 2024-12-29 16:45:53 +08:00
8f0636288a
This is essentially based on a search for “^const .*=”. Change-Id: I9332c1f0cf7c891ba1ae373dc537f700f9a1d956 Reviewed-on: https://chromium-review.googlesource.com/585452 Reviewed-by: Leonard Mosescu <mosescu@chromium.org>
151 lines
3.6 KiB
C++
151 lines
3.6 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/worker_thread.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "util/misc/clock.h"
|
|
#include "util/synchronization/semaphore.h"
|
|
|
|
namespace crashpad {
|
|
namespace test {
|
|
namespace {
|
|
|
|
constexpr uint64_t kNanosecondsPerSecond = static_cast<uint64_t>(1E9);
|
|
|
|
class WorkDelegate : public WorkerThread::Delegate {
|
|
public:
|
|
WorkDelegate() {}
|
|
~WorkDelegate() {}
|
|
|
|
void DoWork(const WorkerThread* thread) override {
|
|
if (work_count_ < waiting_for_count_) {
|
|
if (++work_count_ == waiting_for_count_) {
|
|
semaphore_.Signal();
|
|
}
|
|
}
|
|
}
|
|
|
|
void SetDesiredWorkCount(int times) {
|
|
waiting_for_count_ = times;
|
|
}
|
|
|
|
//! \brief Suspends the calling thread until the DoWork() has been called
|
|
//! the number of times specified by SetDesiredWorkCount().
|
|
void WaitForWorkCount() {
|
|
semaphore_.Wait();
|
|
}
|
|
|
|
int work_count() const { return work_count_; }
|
|
|
|
private:
|
|
Semaphore semaphore_{0};
|
|
int work_count_ = 0;
|
|
int waiting_for_count_ = -1;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(WorkDelegate);
|
|
};
|
|
|
|
TEST(WorkerThread, DoWork) {
|
|
WorkDelegate delegate;
|
|
WorkerThread thread(0.05, &delegate);
|
|
|
|
uint64_t start = ClockMonotonicNanoseconds();
|
|
|
|
delegate.SetDesiredWorkCount(2);
|
|
thread.Start(0);
|
|
EXPECT_TRUE(thread.is_running());
|
|
|
|
delegate.WaitForWorkCount();
|
|
thread.Stop();
|
|
EXPECT_FALSE(thread.is_running());
|
|
|
|
EXPECT_GE(1 * kNanosecondsPerSecond, ClockMonotonicNanoseconds() - start);
|
|
}
|
|
|
|
TEST(WorkerThread, StopBeforeDoWork) {
|
|
WorkDelegate delegate;
|
|
WorkerThread thread(1, &delegate);
|
|
|
|
thread.Start(15);
|
|
thread.Stop();
|
|
|
|
EXPECT_EQ(delegate.work_count(), 0);
|
|
}
|
|
|
|
TEST(WorkerThread, Restart) {
|
|
WorkDelegate delegate;
|
|
WorkerThread thread(0.05, &delegate);
|
|
|
|
delegate.SetDesiredWorkCount(1);
|
|
thread.Start(0);
|
|
EXPECT_TRUE(thread.is_running());
|
|
|
|
delegate.WaitForWorkCount();
|
|
thread.Stop();
|
|
ASSERT_FALSE(thread.is_running());
|
|
|
|
delegate.SetDesiredWorkCount(2);
|
|
thread.Start(0);
|
|
delegate.WaitForWorkCount();
|
|
thread.Stop();
|
|
ASSERT_FALSE(thread.is_running());
|
|
}
|
|
|
|
TEST(WorkerThread, DoWorkNow) {
|
|
WorkDelegate delegate;
|
|
WorkerThread thread(100, &delegate);
|
|
|
|
uint64_t start = ClockMonotonicNanoseconds();
|
|
|
|
delegate.SetDesiredWorkCount(1);
|
|
thread.Start(0);
|
|
EXPECT_TRUE(thread.is_running());
|
|
|
|
delegate.WaitForWorkCount();
|
|
EXPECT_EQ(delegate.work_count(), 1);
|
|
|
|
delegate.SetDesiredWorkCount(2);
|
|
thread.DoWorkNow();
|
|
delegate.WaitForWorkCount();
|
|
thread.Stop();
|
|
EXPECT_EQ(delegate.work_count(), 2);
|
|
|
|
EXPECT_GE(100 * kNanosecondsPerSecond, ClockMonotonicNanoseconds() - start);
|
|
}
|
|
|
|
TEST(WorkerThread, DoWorkNowAtStart) {
|
|
WorkDelegate delegate;
|
|
WorkerThread thread(100, &delegate);
|
|
|
|
uint64_t start = ClockMonotonicNanoseconds();
|
|
|
|
delegate.SetDesiredWorkCount(1);
|
|
thread.Start(100);
|
|
EXPECT_TRUE(thread.is_running());
|
|
|
|
thread.DoWorkNow();
|
|
delegate.WaitForWorkCount();
|
|
EXPECT_EQ(delegate.work_count(), 1);
|
|
|
|
EXPECT_GE(100 * kNanosecondsPerSecond, ClockMonotonicNanoseconds() - start);
|
|
|
|
thread.Stop();
|
|
EXPECT_FALSE(thread.is_running());
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace test
|
|
} // namespace crashpad
|