crashpad/util/thread/worker_thread_test.cc
Robert Sesek 5e24471188 Fix build break after 6d829e9af7d7630422d8095747905015d347b3be.
../../handler/crash_report_upload_thread.cc:142:7: error: field 'database_' will be initialized after field 'thread_' [-Werror,-Wreorder]
      database_(database),
      ^
1 error generated.

And:

..\util\thread\worker_thread_test.cc(25) : warning C4244: 'initializing' : conversion from 'double' to 'const uint64_t', possible loss of data

BUG=crashpad:22
R=mark@chromium.org

Review URL: https://codereview.chromium.org/1556043005 .
2016-01-04 17:42:04 -05:00

138 lines
3.3 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 {
const 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_)
semaphore_.Signal();
}
//! \brief Suspends the calling thread until the DoWork() has been called
//! the specified number of times.
void WaitForWorkCount(int times) {
waiting_for_count_ = times;
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();
thread.Start(0);
EXPECT_TRUE(thread.is_running());
delegate.WaitForWorkCount(2);
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(0, delegate.work_count());
}
TEST(WorkerThread, Restart) {
WorkDelegate delegate;
WorkerThread thread(0.05, &delegate);
thread.Start(0);
EXPECT_TRUE(thread.is_running());
delegate.WaitForWorkCount(1);
thread.Stop();
ASSERT_FALSE(thread.is_running());
thread.Start(0);
delegate.WaitForWorkCount(2);
thread.Stop();
ASSERT_FALSE(thread.is_running());
}
TEST(WorkerThread, DoWorkNow) {
WorkDelegate delegate;
WorkerThread thread(100, &delegate);
thread.Start(0);
EXPECT_TRUE(thread.is_running());
uint64_t start = ClockMonotonicNanoseconds();
delegate.WaitForWorkCount(1);
EXPECT_EQ(1, delegate.work_count());
thread.DoWorkNow();
delegate.WaitForWorkCount(2);
thread.Stop();
EXPECT_EQ(2, delegate.work_count());
EXPECT_GE(100 * kNanosecondsPerSecond, ClockMonotonicNanoseconds() - start);
}
TEST(WorkerThread, DoWorkNowAtStart) {
WorkDelegate delegate;
WorkerThread thread(100, &delegate);
uint64_t start = ClockMonotonicNanoseconds();
thread.Start(100);
EXPECT_TRUE(thread.is_running());
thread.DoWorkNow();
delegate.WaitForWorkCount(1);
EXPECT_EQ(1, delegate.work_count());
EXPECT_GE(100 * kNanosecondsPerSecond, ClockMonotonicNanoseconds() - start);
thread.Stop();
EXPECT_FALSE(thread.is_running());
}
} // namespace
} // namespace test
} // namespace crashpad