import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

/**
 * Test for {@link Network} methods which have default implementations. Currently those
 * implementations are in {@link AbstractNetwork}; in future they might be in {@link Network}
 * itself, once we are willing to use Java 8 default methods.
 */
@AndroidIncompatible

 * currently planned to be released as a general-purpose forwarding class.
 *
 * @author James Sexton
 * @author Joshua O'Madadhain
 */
abstract class ForwardingNetwork<N, E> extends AbstractNetwork<N, E> {

  abstract Network<N, E> delegate();

  @Override
  public Set<N> nodes() {
    return delegate().nodes();
  }

  @Override
  public Set<E> edges() {
    return delegate().edges();
  }

 *
 * @author James Sexton
 * @author Joshua O'Madadhain
 * @author Omar Darwish
 * @param <N> Node parameter type
 * @param <E> Edge parameter type
 */
class StandardNetwork<N, E> extends AbstractNetwork<N, E> {
  private final boolean isDirected;
  private final boolean allowsParallelEdges;
  private final boolean allowsSelfLoops;
  private final ElementOrder<N> nodeOrder;
  private final ElementOrder<E> edgeOrder;