Added more unit tests for the graph utilities.
diff --git a/utils/misc/src/main/java/org/onlab/graph/DijkstraGraphSearch.java b/utils/misc/src/main/java/org/onlab/graph/DijkstraGraphSearch.java
index 9b27bd8..dc71859 100644
--- a/utils/misc/src/main/java/org/onlab/graph/DijkstraGraphSearch.java
+++ b/utils/misc/src/main/java/org/onlab/graph/DijkstraGraphSearch.java
@@ -9,7 +9,7 @@
* one, but all shortest paths between the source and destinations.
*/
public class DijkstraGraphSearch<V extends Vertex, E extends Edge<V>>
- extends AbstractPathSearch<V, E> {
+ extends AbstractGraphPathSearch<V, E> {
@Override
public Result<V, E> search(Graph<V, E> g, V src, V dst, EdgeWeight<V, E> ew) {