import java.util.concurrent.Future;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import junit.framework.TestCase;

/**
 * Tests for TestingExecutors.
 *
 * @author Eric Chang
 */
public class TestingExecutorsTest extends TestCase {
  private volatile boolean taskDone;

  public void testNoOpScheduledExecutor() throws InterruptedException {
    taskDone = false;
    Runnable task =

import java.util.concurrent.Future;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import junit.framework.TestCase;

/**
 * Tests for TestingExecutors.
 *
 * @author Eric Chang
 */
public class TestingExecutorsTest extends TestCase {
  private volatile boolean taskDone;

  public void testNoOpScheduledExecutor() throws InterruptedException {
    taskDone = false;
    Runnable task =

 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
final class SingletonImmutableSet<E> extends ImmutableSet<E> {

  // This reference is used both by the custom field serializer, and by the
  // GWT compiler to infer the elements of the lists that needs to be
  // serialized.
  //
  // Although this reference is non-final, it doesn't change after set creation.
  E element;

    /**
     * 
     */
    public static final int FILE_NOTIFY_CHANGE_LAST_ACCESS = 0x20;
    /**
     * 
     */
    public static final int FILE_NOTIFY_CHANGE_CREATION = 0x40;
    /**
     * 
     */
    public static final int FILE_NOTIFY_CHANGE_EA = 0x80;
    /**
     * 
     */
    public static final int FILE_NOTIFY_CHANGE_SECURITY = 0x100;
    /**
     * 
     */

        // samba 4 starting with some version does not seem to handle this correctly :(
        try ( SmbWatchHandle w = this.base
                .watch(FileNotifyInformation.FILE_NOTIFY_CHANGE_ATTRIBUTES | FileNotifyInformation.FILE_NOTIFY_CHANGE_LAST_WRITE, false) ) {
            try ( SmbFile cr = new SmbFile(this.base, "modified") ) {
                cr.createNewFile();
                setupWatch(w);

    long hangDelayMillis =
        (expectedOutcome == Outcome.HANG)
            ? EXPECTED_HANG_DELAY_MILLIS
            : UNEXPECTED_HANG_DELAY_MILLIS;
    boolean hung =
        !awaitUninterruptibly(callCompletedLatch, hangDelayMillis, TimeUnit.MILLISECONDS);
    if (hung) {
      assertEquals(expectedOutcome, Outcome.HANG);
    } else {
      assertNull(task.get(UNEXPECTED_HANG_DELAY_MILLIS, TimeUnit.MILLISECONDS));
    }
  }

  /**
   * Verifies that a collection is immutable.
   *
   * <p>A collection is considered immutable if:
   *
   * <ol>
   *   <li>All its mutation methods result in UnsupportedOperationException, and do not change the
   *       underlying contents.
   *   <li>All methods that return objects that can indirectly mutate the collection throw
   *       UnsupportedOperationException when those mutators are called.
   * </ol>
   *

   *     implementation
   * @param occurrences the number of occurrences of the element to add. May be zero, in which case
   *     no change will be made.
   * @return the count of the element before the operation; possibly zero
   * @throws IllegalArgumentException if {@code occurrences} is negative, or if this operation would

      } catch (NullPointerException | ClassCastException e) {
        return 0;
      }
    }

    /**
     * Removes exactly the specified number of occurrences of {@code element}, or makes no change if
     * this is not possible.
     *
     * <p>This method, in contrast to {@link #remove(Object, int)}, has no effect when the element
     * count is smaller than {@code occurrences}.
     *

    MapMaker maker = new MapMaker();
    try {
      maker.initialCapacity(-1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  // TODO(cpovirk): enable when ready (apparently after a change to our GWT emulation)
  public void xtestInitialCapacity_setTwice() {
    MapMaker maker = new MapMaker().initialCapacity(16);
    try {
      // even to the same value is not allowed
      maker.initialCapacity(16);