* group name. This degree of state can be obtained with a Name Query
     * Request or Node Status Request.
     * 
     * 3) All - The NbtAddress will be populated with all state such as mac
     * address, isPermanent, isBeingDeleted, ...etc. This information can only
     * be retrieved with the Node Status request.
     * 
     * The degree of state that an NbtAddress has is dependant on how it was

  }

  @Test
  public void degree_oneEdge() {
    putEdge(N1, N2);
    assertThat(graph.degree(N1)).isEqualTo(1);
    assertThat(graph.degree(N2)).isEqualTo(1);
  }

  @Test
  public void degree_isolatedNode() {
    addNode(N1);
    assertThat(graph.degree(N1)).isEqualTo(0);
  }

  @Test
  public void degree_nodeNotInGraph() {
    assertNodeNotInGraphErrorMessage(

  }

  @Test
  public void degree_oneEdge() {
    putEdge(N1, N2);
    assertThat(graph.degree(N1)).isEqualTo(1);
    assertThat(graph.degree(N2)).isEqualTo(1);
  }

  @Test
  public void degree_isolatedNode() {
    addNode(N1);
    assertThat(graph.degree(N1)).isEqualTo(0);
  }

  @Test
  public void degree_nodeNotInGraph() {
    assertNodeNotInGraphErrorMessage(

 * group name. This degree of state can be obtained with a Name Query
 * Request or Node Status Request.
 * 
 * 3) All - The NbtAddress will be populated with all state such as mac
 * address, isPermanent, isBeingDeleted, ...etc. This information can only
 * be retrieved with the Node Status request.
 * 
 * The degree of state that an NbtAddress has is dependant on how it was

        .containsExactly(EndpointPair.ordered(N1, N1), EndpointPair.ordered(N1, N2));
  }

  @Test
  public void degree_selfLoop() {
    assume().that(graph.allowsSelfLoops()).isTrue();

    putEdge(N1, N1);
    assertThat(graph.degree(N1)).isEqualTo(2);
    putEdge(N1, N2);
    assertThat(graph.degree(N1)).isEqualTo(3);
  }

  @Test
  public void inDegree_selfLoop() {

   *
   * @throws IllegalArgumentException if {@code node} is not an element of this graph
   */
  @Override
  int degree(N node);

  /**
   * Returns the count of {@code node}'s incoming edges (equal to {@code predecessors(node).size()})
   * in a directed graph. In an undirected graph, returns the {@link #degree(Object)}.
   *
   * <p>If the count is greater than {@code Integer.MAX_VALUE}, returns {@code Integer.MAX_VALUE}.
   *

      @Override
      public Set<N> successors(N node) {
        return AbstractNetwork.this.successors(node);
      }

      // DO NOT override the AbstractGraph *degree() implementations.
    };
  }

  @Override
  public int degree(N node) {
    if (isDirected()) {
      return IntMath.saturatedAdd(inEdges(node).size(), outEdges(node).size());
    } else {

    assertThat(network.incidentNodes(E11).target()).isEqualTo(N1);
  }

  @Test
  public void degree_selfLoop() {
    assume().that(network.allowsSelfLoops()).isTrue();

    addEdge(N1, N1, E11);
    assertThat(network.degree(N1)).isEqualTo(2);
    addEdge(N1, N2, E12);
    assertThat(network.degree(N1)).isEqualTo(3);
  }

  @Test
  public void inDegree_selfLoop() {

        .containsExactly(EndpointPair.unordered(N1, N1), EndpointPair.unordered(N1, N2));
  }

  @Test
  public void degree_selfLoop() {
    assume().that(graph.allowsSelfLoops()).isTrue();

    putEdge(N1, N1);
    assertThat(graph.degree(N1)).isEqualTo(2);
    putEdge(N1, N2);
    assertThat(graph.degree(N1)).isEqualTo(3);
  }

  @Test
  public void inDegree_selfLoop() {

        .containsExactly(EndpointPair.ordered(N1, N1), EndpointPair.ordered(N1, N2));
  }

  @Test
  public void degree_selfLoop() {
    assume().that(graph.allowsSelfLoops()).isTrue();

    putEdge(N1, N1);
    assertThat(graph.degree(N1)).isEqualTo(2);
    putEdge(N1, N2);
    assertThat(graph.degree(N1)).isEqualTo(3);
  }

  @Test
  public void inDegree_selfLoop() {