infer_clone/infer/tests/codetoanalyze/java/starvation/LocklessTests.java

/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

import com.facebook.infer.annotation.Lockless;

class LocklessTests {}

interface Listener {
  @Lockless
  void locklessMethod();

  void normalMethod();
}

class LocklessTestsA implements Listener {
  // should warn
  @Override
  public void locklessMethod() {
    synchronized (this) {
    }
  }

  // no warnings here
  @Override
  public void normalMethod() {
    synchronized (this) {
    }
  }
}

class LocklessTestsB implements Listener {
  // should warn
  @Lockless
  @Override
  public synchronized void locklessMethod() {}

  // no warnings here
  @Override
  public synchronized void normalMethod() {}
}

class LocklessTestsC implements Listener {
  private synchronized void takeLock() {}

  // should warn
  @Override
  public void locklessMethod() {
    takeLock();
  }

  // no warnings here
  @Override
  public synchronized void normalMethod() {}
}