@GwtIncompatible // java.math.BigInteger
  public void testIsPowerOfTwo() {
    for (int x : ALL_INTEGER_CANDIDATES) {
      // Checks for a single bit set.
      BigInteger bigX = BigInteger.valueOf(x);
      boolean expected = (bigX.signum() > 0) && (bigX.bitCount() == 1);
      assertEquals(expected, IntMath.isPowerOfTwo(x));
    }
  }

  public void testLog2ZeroAlwaysThrows() {

    assertTrue(service.shutDownCalled);
  }

  private class WaitOnRunService extends AbstractExecutionThreadService {
    private boolean startUpCalled = false;
    private boolean runCalled = false;
    private boolean shutDownCalled = false;
    private State expectedShutdownState = State.STOPPING;

    @Override
    protected void startUp() {
      assertFalse(startUpCalled);

  private static byte[] ipStringToBytes(String ipStringParam, @Nullable Scope scope) {
    String ipString = ipStringParam;
    // Make a first pass to categorize the characters in this string.
    boolean hasColon = false;
    boolean hasDot = false;
    int percentIndex = -1;
    for (int i = 0; i < ipString.length(); i++) {
      char c = ipString.charAt(i);
      if (c == '.') {
        hasDot = true;

  @Override
  public void putLast(E e) throws InterruptedException {
    delegate().putLast(e);
  }

  @Override
  public boolean offerFirst(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offerFirst(e, timeout, unit);
  }

  @Override
  public boolean offerLast(E e, long timeout, TimeUnit unit) throws InterruptedException {
    return delegate().offerLast(e, timeout, unit);
  }

      }

      @Override
      public int size() {
        return IntMath.saturatedAdd(inEdgeMap.size(), outEdgeMap.size() - selfLoopCount);
      }

      @Override
      public boolean contains(@CheckForNull Object obj) {
        return inEdgeMap.containsKey(obj) || outEdgeMap.containsKey(obj);
      }
    };
  }

  @Override
  public Set<E> inEdges() {

    String getName() { return className }

    String getSimpleName() { return simpleName }

    boolean isDeprecated() {
        return classMetaData.deprecated
    }

    boolean isIncubating() {
        return classMetaData.incubating
    }

    boolean isReplaced() {
        return classMetaData.replaced
    }

    @Override
    String getReplacement() {

            if (!(value instanceof Float)) {
                return (T) Float.valueOf(value.toString());
            }
        } else if (clazz.isAssignableFrom(Boolean.class) && !(value instanceof Boolean)) {
            return (T) Boolean.valueOf(value.toString());
        }
        return (T) value;
    }

    @Override
    public void setInitParameterMap(final Map<String, Object> params) {

    }

    @Override
    public void delete(final User user) {
        ComponentUtil.getLdapManager().delete(user);
    }

    @Override
    public boolean changePassword(final String username, final String password) {
        final boolean changed = ComponentUtil.getLdapManager().changePassword(username, password);
        return !changed || ComponentUtil.getFessConfig().isLdapAdminSyncPassword();
    }

    @Override

@Deprecated
public interface MavenMetadataCache {

    ResolutionGroup get(
            Artifact artifact,
            boolean resolveManagedVersions,
            ArtifactRepository localRepository,
            List<ArtifactRepository> remoteRepositories);

    void put(
            Artifact artifact,
            boolean resolveManagedVersions,
            ArtifactRepository localRepository,

        return binding.toString();
    }

    protected abstract void doSendFragment(byte[] buf,
                int off,
                int length,
                boolean isDirect) throws IOException;
    protected abstract void doReceiveFragment(byte[] buf, boolean isDirect) throws IOException;
    public abstract void close() throws IOException;