blob: 6db4c33795875d0a82a302145e75a575a3a2b382 [file] [log] [blame] [edit]
// Copyright 2021 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// AsyncTaskTests:
// Simple tests for native::AsyncTask and native::AsnycTaskManager.
#include <memory>
#include <mutex>
#include <set>
#include <utility>
#include <vector>
#include "dawn/common/NonCopyable.h"
#include "dawn/native/AsyncTask.h"
#include "dawn/platform/DawnPlatform.h"
#include "gtest/gtest.h"
namespace dawn {
namespace {
struct SimpleTaskResult {
uint32_t id;
};
// A thread-safe queue that stores the task results.
class ConcurrentTaskResultQueue : public NonCopyable {
public:
void AddResult(std::unique_ptr<SimpleTaskResult> result) {
std::lock_guard<std::mutex> lock(mMutex);
mTaskResults.push_back(std::move(result));
}
std::vector<std::unique_ptr<SimpleTaskResult>> GetAllResults() {
std::vector<std::unique_ptr<SimpleTaskResult>> outputResults;
{
std::lock_guard<std::mutex> lock(mMutex);
outputResults.swap(mTaskResults);
}
return outputResults;
}
private:
std::mutex mMutex;
std::vector<std::unique_ptr<SimpleTaskResult>> mTaskResults;
};
void DoTask(ConcurrentTaskResultQueue* resultQueue, uint32_t id) {
std::unique_ptr<SimpleTaskResult> result = std::make_unique<SimpleTaskResult>();
result->id = id;
resultQueue->AddResult(std::move(result));
}
class AsyncTaskTest : public testing::Test {};
// Emulate the basic usage of worker thread pool in Create*PipelineAsync().
TEST_F(AsyncTaskTest, Basic) {
platform::Platform platform;
std::unique_ptr<platform::WorkerTaskPool> pool = platform.CreateWorkerTaskPool();
native::AsyncTaskManager taskManager(pool.get());
ConcurrentTaskResultQueue taskResultQueue;
constexpr size_t kTaskCount = 4u;
std::set<uint32_t> idset;
for (uint32_t i = 0; i < kTaskCount; ++i) {
native::AsyncTask asyncTask([&taskResultQueue, i] { DoTask(&taskResultQueue, i); });
taskManager.PostTask(std::move(asyncTask));
idset.insert(i);
}
taskManager.WaitAllPendingTasks();
std::vector<std::unique_ptr<SimpleTaskResult>> results = taskResultQueue.GetAllResults();
ASSERT_EQ(kTaskCount, results.size());
for (std::unique_ptr<SimpleTaskResult>& result : results) {
idset.erase(result->id);
}
ASSERT_TRUE(idset.empty());
}
} // anonymous namespace
} // namespace dawn