Fixed ourlinkedlist issues

src/OurLinkedList.java

@@ -11,6 +11,11 @@ public class OurLinkedList implements Structure {
             this.next = next;
             this.previous = previous;
         }
+        public Link(Integer value) {
+        	this.value = value;
+            next = this;
+            previous = this;
+        }
     }
 
     public class Cursor {
@@ -43,10 +48,12 @@ public class OurLinkedList implements Structure {
         public void setPos(int pos) {
             if(this.pos > pos) {
                 goBack();
-            } else {
+            } else if(this.pos < pos){
                 goFor();
             }
-            setPos(pos);
+            if(this.pos != pos) {
+                setPos(pos);
+            }
         }
     }
 
@@ -56,7 +63,7 @@ public class OurLinkedList implements Structure {
     Random r = new Random();
 
     public OurLinkedList() {
-        sentinel = new Link(0, sentinel, sentinel);
+        sentinel = new Link(0);
         cursor = new Cursor(this, sentinel.previous);
         nbVal = 0;
     }
@@ -76,7 +83,7 @@ public class OurLinkedList implements Structure {
     }
 
     private void insert(int pos, int val) {
-        if(pos < 0 || pos > nbVal || isEmpty()) {
+        if(pos < 0 || pos > nbVal) {
             throw new IndexOutOfBoundsException("elem : mauvaise position du curseur");
         }
         int depart = cursor.pos;