throw new RejectedExecutionException();
                }
                r.run();
              }
            });
    Runnable task =
        new Runnable() {
          @Override
          public void run() {
            numCalls.incrementAndGet();
          }
        };
    assertThrows(RejectedExecutionException.class, () -> executor.execute(task));

  /**
   * Checks if the executor has been shut down and increments the running task count.
   *
   * @throws RejectedExecutionException if the executor has been previously shutdown
   */
  private void startTask() {
    synchronized (lock) {
      if (shutdown) {
        throw new RejectedExecutionException("Executor already shutdown");
      }
      runningTasks++;
    }
  }

 * limitations under the License.
 */
package okhttp3

import assertk.assertThat
import assertk.assertions.containsExactly
import java.util.concurrent.AbstractExecutorService
import java.util.concurrent.RejectedExecutionException
import java.util.concurrent.TimeUnit
import okhttp3.internal.connection.RealCall
import okhttp3.internal.finishedAccessor

/**

    assertThat(exception.cause)
      .isNotNull()
      .matchesPredicate { it is InterruptedException || it is RejectedExecutionException }
    assertThat(clientTestRule.takeUncaughtException())
      .matchesPredicate { it == null || it is RejectedExecutionException }
  }

  private fun sleep(delayMillis: Int) {
    try {
      Thread.sleep(delayMillis.toLong())

 */

package com.google.common.util.concurrent;

import com.google.errorprone.annotations.DoNotMock;
import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionException;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * A {@link Future} that accepts completion listeners. Each listener has an associated executor, and

import com.google.j2objc.annotations.RetainedWith;
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.concurrent.Executor;
import java.util.concurrent.RejectedExecutionException;
import java.util.logging.Level;
import org.jspecify.annotations.Nullable;

/**
 * Executor ensuring that all Runnables submitted are executed in order, using the provided

import com.google.j2objc.annotations.RetainedWith;
import java.util.ArrayDeque;
import java.util.Deque;
import java.util.concurrent.Executor;
import java.util.concurrent.RejectedExecutionException;
import java.util.logging.Level;
import org.jspecify.annotations.Nullable;

/**
 * Executor ensuring that all Runnables submitted are executed in order, using the provided

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadFactory;

    checkNotNull(future);
    if (delegate == directExecutor()) {
      // directExecutor() cannot throw RejectedExecutionException
      return delegate;
    }
    return command -> {
      try {
        delegate.execute(command);
      } catch (RejectedExecutionException e) {
        future.setException(e);
      }
    };
  }

import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicInteger;