// Copyright 2019 The MACE 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 <gtest/gtest.h>
#include <numeric>
#include <limits>

#include "mace/utils/spinlock.h"

namespace mace {
namespace utils {

namespace {

class SpinTest : public ::testing::Test {
};

TEST_F(SpinTest, TestWait) {
  std::atomic<int> lock(1);

  std::thread t([&lock]() {
    lock = 0;
  });

  SpinWait(lock, 1, std::numeric_limits<int64_t>::max());

  t.join();
}

}  // namespace

}  // namespace utils
}  // namespace mace
