util/env_fuchsia_test.cc

// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//    * 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.
//    * Neither the name of Google Inc. 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
// OWNER 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.

#include "util/env_fuchsia.h"

#include <fcntl.h>

#include <memory>
#include <atomic>

#include "util/testharness.h"

namespace leveldb {

class FuchsiaEnvTest {
 public:
  FuchsiaEnvTest() = default;
};

static void VerifySentinel(void* ptr) {
  std::atomic<bool>* sentinel = reinterpret_cast<std::atomic<bool>*>(ptr);
  ASSERT_TRUE(sentinel->load());
}

TEST(FuchsiaEnvTest, BGThreadClose) {
  std::unique_ptr<Env> env = MakeFuchsiaEnv(AT_FDCWD);
  std::atomic<bool> sentinel(true);
  env->Schedule(&VerifySentinel, &sentinel);
  // Destruction of env should be valid under ASAN.
  env.reset();
  // sentinel should not be accessed after this point.
  sentinel.store(false);
}

}  // namespace leveldb