content: /*
   * Copyright 2014-2025 Real Logic Limited.
   *
   * 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
   *
   * https://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.
   */
  package io.aeron.test;
  
  import org.junit.jupiter.api.Timeout;
  import org.junit.jupiter.api.extension.AfterEachCallback;
  import org.junit.jupiter.api.extension.BeforeEachCallback;
  import org.junit.jupiter.api.extension.ExtensionContext;
  import org.junit.platform.commons.util.RuntimeUtils;
  
  import java.util.concurrent.ExecutionException;
  import java.util.concurrent.Executors;
  import java.util.concurrent.ScheduledExecutorService;
  import java.util.concurrent.ScheduledFuture;
  import java.util.concurrent.TimeUnit;
  
  public class InterruptingTestCallback implements BeforeEachCallback, AfterEachCallback
  {
      private static final boolean TIMEOUT_DISABLED_ON_DEBUG =
          !"enabled".equals(System.getProperty(Timeout.TIMEOUT_MODE_PROPERTY_NAME));
  
      private static final ScheduledExecutorService SCHEDULER = Executors.newSingleThreadScheduledExecutor(
          (runnable) ->
          {
              final Thread thread = new Thread(runnable);
              thread.setDaemon(true);
              thread.setName("interrupting-test-callback");
  
              return thread;
          });
  
      private ScheduledFuture<?> timer = null;
  
      public void afterEach(final ExtensionContext context)
      {
          if (null != timer)
          {
              timer.cancel(false);
              if (!timer.isDone())
              {
                  try
                  {
                      timer.get();
                  }
                  catch (final InterruptedException | ExecutionException ignore)
                  {
                  }
              }
  
              timer = null;
          }
      }
  
      public void beforeEach(final ExtensionContext context)
      {
          timer = null;
          final InterruptAfter annotation = context.getRequiredTestMethod().getAnnotation(InterruptAfter.class);
  
          if (null != annotation && !(RuntimeUtils.isDebugMode() && TIMEOUT_DISABLED_ON_DEBUG))
          {
              final Thread testThread = Thread.currentThread();
  
              long delayMs = annotation.unit().toMillis(annotation.value());
              if (SystemTestConfig.DRIVER_AWAIT_COUNTER_CLOSE)
              {
                  delayMs = Math.max(delayMs, SystemTestConfig.MIN_COUNTER_CLOSE_INTERRUPT_TIMEOUT_MS);
              }
  
              timer = SCHEDULER.schedule(testThread::interrupt, delayMs, TimeUnit.MILLISECONDS);
          }
      }
  }
  