import java.util.NoSuchElementException;
import java.util.Set;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Implementation of {@code Multimap} that does not allow duplicate key-value entries and that
 * returns collections whose iterators follow the ordering in which the data was added to the
 * multimap.
 *

import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Base class for tests for emulated {@link AbstractFuture} that allow subclasses to swap in a
 * different "source Future" for {@link AbstractFuture#setFuture} calls.
 */
@GwtCompatible(emulated = true)
abstract class AbstractAbstractFutureTest extends TestCase {

      // Runnable is executed more than once, allocate a wrapper that we know is safe to remove by
      // object identity.
      // A data structure that returned a removal handle from add() would allow eliminating this
      // allocation.
      submittedTask =
          new Runnable() {
            @Override
            public void run() {
              task.run();
            }

import com.google.common.collect.ImmutableList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Random;
import junit.framework.TestCase;

/**
 * Unit tests for {@link Utf8}.
 *
 * @author Jon Perlow
 * @author Martin Buchholz
 * @author Clément Roux
 */
@GwtCompatible(emulated = true)
public class Utf8Test extends TestCase {

  private static final ImmutableList<String> ILL_FORMED_STRINGS;

  static {

      int oneSecWorthOfWork = rate;
      stopwatch.sleepMillis(rate * 1000);
      limiter.setRate(rate);
      long burst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());
      // we allow one second worth of work to go in a burst (i.e. take less than a second)
      assertTrue(burst <= 1000);
      long afterBurst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());

 * views are modifiable.
 *
 * <p>This class is not threadsafe when any concurrent operations update the multimap. Concurrent
 * read operations will work correctly. To allow concurrent update operations, wrap your multimap
 * with a call to {@link Multimaps#synchronizedListMultimap}.
 *
 * <p>See the Guava User Guide article on <a href=

   * {@code f} and thus has a cycle) but is a valid input to {@link Traverser#forTree} when starting
   * e.g. at node {@code a} (all edges without an arrow are directed facing downwards):
   *
   * <pre>{@code
   *     a
   *    /
   *   b   e <----> f
   *  / \ /
   * c   d
   * }</pre>
   */

    /*
     * Based on Hacker's Delight Fig. 11-5, the two-table-lookup, branch-free implementation.
     *
     * The key idea is that based on the number of leading zeros (equivalently, floor(log2(x))), we
     * can narrow the possible floor(log10(x)) values to two. For example, if floor(log2(x)) is 6,
     * then 64 <= x < 128, so floor(log10(x)) is either 1 or 2.
     */
    int y = maxLog10ForLeadingZeros[Long.numberOfLeadingZeros(x)];

          .that(ratio)
          .isAtMost(
              2
                  * constructionAsymptotics.applyAsDouble(largeSize)
                  / constructionAsymptotics.applyAsDouble(smallSize));
      // allow up to 2x wobble in the constant factors
    }
  }

  public void testResistsHashFloodingOnQuery() {
    CallsCounter smallCounter = new CallsCounter();

    // some of the previously added runnables, but we're OK with that. If we want to change the
    // contract to guarantee ordering among runnables we'd have to modify the logic here to allow
    // it.
    executeListener(runnable, executor);
  }

  /**
   * Runs this execution list, executing all existing pairs in the order they were added. However,