Changeset 11444

Timestamp:

10/10/14 14:03:01 (10 years ago)

Author:

bburlacu

Message:

#2223: Added check to prevent adding an arc when the source and the target are the same vertex.

File:

• trunk/sources/HeuristicLab.Core/3.3/Collections/DirectedGraph/DirectedGraph.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Core/3.3/Collections/DirectedGraph/DirectedGraph.cs

@@ -145 +145 @@
       var target = arc.Target;
 
+      if (source == target)
+        throw new InvalidOperationException("Source and target cannot be the same.");
+
       if (!vertices.Contains(source) || !vertices.Contains(target))
         throw new InvalidOperationException("Cannot add arc connecting vertices that are not in the graph.");