YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

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// with the License.  You may obtain a copy of the License at

//

//   http://www.apache.org/licenses/LICENSE-2.0

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// under the License.

//

// The following only applies to changes made to this file as part of YugaByte development.

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// Portions Copyright (c) YugaByte, Inc.

//

// 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

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// 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

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#include <atomic>

#include <string>

#include <gtest/gtest.h>

#include "yb/gutil/ref_counted.h"

#include "yb/util/monotime.h"

#include "yb/util/result.h"

#include "yb/util/sync_point.h"

#include "yb/util/test_macros.h"

#include "yb/util/thread.h"

using std::string;

using std::vector;

namespace yb {

#ifndef NDEBUG

static void RunThread(bool *var) {

  *var = true;

  TEST_SYNC_POINT("first");

}

#endif

TEST(SyncPointTest, TestSyncPoint) {

#ifndef NDEBUG

  // Set up a sync point "second" that depends on "first".

  vector<SyncPoint::Dependency> dependencies;

  dependencies.push_back(SyncPoint::Dependency("first", "second"));

  SyncPoint::GetInstance()->LoadDependency(dependencies);

  SyncPoint::GetInstance()->EnableProcessing();

  // Kick off a thread that'll process "first", but not before

  // setting 'var' to true, which unblocks the main thread.

  scoped_refptr<Thread> thread;

  bool var = false;

  ASSERT_OK(yb::Thread::Create("test", "test",

                                        &RunThread, &var, &thread));

  // Blocked on RunThread to process "first".

  TEST_SYNC_POINT("second");

  ASSERT_TRUE(var);

  thread->Join();

#else

  LOG(INFO) << "Test skipped in release mode.";

#endif // NDEBUG

}

} // namespace yb