improvements

src/TestGraph.java

@@ -1,6 +1,44 @@
 public class TestGraph {
     public static void main(String[] args) {
-        Graph g = new Graph("");
+        test1();
+        test2();
+        test3();
+        test4();
+    }
+
+    static String pathToProgramRoot = "";
+
+
+    /*
+     * This is a small not connected graph with articulations and bridges
+     */
+    public static void test1() {
+        Graph g = new Graph(pathToProgramRoot + "/csv/5n.csv");
+        System.out.println(g);
+    }
+
+
+    /*
+     * Bigger graph with bridges and many articulations 
+     */
+    public static void test2() {
+        Graph g = new Graph(pathToProgramRoot + "/csv/24n.csv");
+        System.out.println(g);
+    }
+
+    /*
+     * Graph where each vetex is not connected to anything
+     */
+    public static void test3() {
+        Graph g = new Graph(pathToProgramRoot + "/csv/empty.csv");
+        System.out.println(g);
+    }
+
+    /*
+     * small connected graph with one articulation and one bridge 
+     */
+    public static void test4() {
+        Graph g = new Graph(pathToProgramRoot + "/csv/art-brck.csv");
         System.out.println(g);
     }
 }

src/TestMatrix.java

@@ -1,6 +1,8 @@
 public class TestMatrix {
     public static void main(String[] args) {
-        Matrix matrix = new Matrix("");
+        String pathToProgramRoot = "";
+
+        Matrix matrix = new Matrix(pathToProgramRoot + "/csv/graph.csv");
         Matrix scalarProduct;
 
         System.out.println("RowLength: " + matrix.getRowLength());