mediapipe/mediapipe2/util/tracking/parallel_invoker_test.cc
2021-06-10 23:01:19 +00:00

61 lines
1.7 KiB
C++

// Copyright 2019 The MediaPipe Authors.
//
// 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 "mediapipe/util/tracking/parallel_invoker.h"
#include <algorithm>
#include <numeric>
#include "absl/synchronization/mutex.h"
#include "mediapipe/framework/port/gtest.h"
namespace mediapipe {
namespace {
void RunParallelTest() {
absl::Mutex numbers_mutex;
std::vector<int> numbers;
const int kArraySize = 5000;
// Fill number array in parallel.
ParallelFor(0, kArraySize, 1,
[&numbers_mutex, &numbers](const BlockedRange& b) {
for (int k = b.begin(); k != b.end(); ++k) {
absl::MutexLock lock(&numbers_mutex);
numbers.push_back(k);
}
});
std::vector<int> expected(kArraySize);
std::iota(expected.begin(), expected.end(), 0);
EXPECT_TRUE(
std::is_permutation(expected.begin(), expected.end(), numbers.begin()));
}
TEST(ParallelInvokerTest, PhotosTest) {
flags_parallel_invoker_mode = PARALLEL_INVOKER_OPENMP;
RunParallelTest();
}
TEST(ParallelInvokerTest, ThreadPoolTest) {
flags_parallel_invoker_mode = PARALLEL_INVOKER_THREAD_POOL;
// Needs to be run in opt mode to pass.
RunParallelTest();
}
} // namespace
} // namespace mediapipe