import com.google.common.util.concurrent.AbstractFuture.TrustedFuture;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link AbstractFuture} that use a non-{@link TrustedFuture} for {@link
 * AbstractFuture#setFuture} calls.
 */
@GwtCompatible
@NullUnmarked
public class UntrustedInputFutureTest extends AbstractAbstractFutureTest {
  @Override
  AbstractFuture<Integer> newDelegate() {

    RuntimeException exception = new RuntimeException("you didn't say the magic word!");
    AbstractFuture<String> evilFuture =
        new AbstractFuture<String>() {
          @Override
          public void addListener(Runnable r, Executor e) {
            throw exception;
          }
        };
    AbstractFuture<String> normalFuture = new AbstractFuture<String>() {};
    normalFuture.setFuture(evilFuture);

/**
 * Base class for tests for emulated {@link AbstractFuture} that allow subclasses to swap in a
 * different "source Future" for {@link AbstractFuture#setFuture} calls.
 */
@GwtCompatible
@NullUnmarked
abstract class AbstractAbstractFutureTest extends TestCase {
  private TestedFuture<Integer> future;
  private AbstractFuture<Integer> delegate;

  abstract AbstractFuture<Integer> newDelegate();

  @Override

    RuntimeException exception = new RuntimeException("you didn't say the magic word!");
    AbstractFuture<String> evilFuture =
        new AbstractFuture<String>() {
          @Override
          public void addListener(Runnable r, Executor e) {
            throw exception;
          }
        };
    AbstractFuture<String> normalFuture = new AbstractFuture<String>() {};
    normalFuture.setFuture(evilFuture);

import com.google.common.util.concurrent.AbstractFuture.TrustedFuture;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link AbstractFuture} that use a {@link TrustedFuture} for {@link
 * AbstractFuture#setFuture} calls.
 */
@GwtCompatible
@NullUnmarked
public class TrustedInputFutureTest extends AbstractAbstractFutureTest {
  @Override
  AbstractFuture<Integer> newDelegate() {

     *
     * - Any kind of Error from a listener. Even if we could distinguish that case (by exposing some
     * extra state from AbstractFuture), our options are limited: A call to setException() would be
     * a no-op. We could log, but if that's what we really want, we should modify
     * AbstractFuture.executeListener to do so, since that method would have the ability to continue
     * to execute other listeners.
     *

import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/** Tests for {@link AbstractFuture} with the cancellation cause system property set */
@AndroidIncompatible // custom classloading

@NullUnmarked
public class AbstractFutureCancellationCauseTest extends TestCase {

  private ClassLoader oldClassLoader;

import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.Executor;
import org.jspecify.annotations.NullUnmarked;

/** Measures the size of AbstractFuture implementations. */
@NullUnmarked
public class AbstractFutureFootprintBenchmark {

  enum State {
    NOT_DONE,
    FINISHED,
    CANCELLED,
    FAILED
  }

  @Param State state;

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests our AtomicHelper fallback strategies in AbstractFuture.
 *
 * <p>On different platforms AbstractFuture uses different strategies for its core synchronization
 * primitives. The strategies are all implemented as subtypes of AtomicHelper and the strategy is
 * selected in the static initializer of AbstractFuture. This is convenient and performant but

  }

  /** Constructor for use by {@link AbstractFuture}. */
  AbstractFutureState() {}

  /*
   * We put various static objects here rather than in AbstractFuture so that they're initialized in
   * time for AbstractFutureState to potentially use them during class initialization.
   * (AbstractFutureState class initialization can log, and that logging could in theory call into