Fix Path.size() and add test for Path.size().

2018-03-21 11:13:01 +01:00
parent 46436f81f3
commit e2d1d47beb
2 changed files with 11 additions and 1 deletions
--- a/src/main/org/insa/graph/Path.java
+++ b/src/main/org/insa/graph/Path.java
@@ -176,7 +176,7 @@ public class Path {
     * @return Number of nodes in this path.
     */
    public int size() {
-        return 1 + this.arcs.size();
+        return isEmpty() ? 0 : 1 + this.arcs.size();
    }

    /**