Erster JUnitTest

PR2pvl/src/Knoten.java

@@ -1,6 +1,7 @@
 
 public class Knoten {
 	
+	private static final Exception IndexOutOfBoundsException = null;
 	private int wert;
 	private Knoten nachfolger;
 	
@@ -19,13 +20,41 @@ public class Knoten {
 	
 	
 	
-	public void auslesenAnPos(int pos) {
+	public int auslesenAnPos(int pos) throws Exception {
-		if(pos >0 && this.nachfolger != null) {
+		pos--;
-			nachfolger.auslesenAnPos(pos--);
+		if(nachfolger==null && pos>1) {
+			throw IndexOutOfBoundsException;
+			
+		}
+		if(pos >0 ) {
+			nachfolger.auslesenAnPos(pos);
+		}
+		else {
+			return this.wert;
+		}
+		
+		
+		
+		return 0;
+		
+	}
+
+
+	public void loeschenAnPos(int pos) throws Exception{
+		if(this.nachfolger==null) {
+			throw IndexOutOfBoundsException;
+		}
+		if(pos>1) {
+			this.nachfolger = nachfolger.nachfolger;
 		}else {
-			System.out.println(this.wert);
+			pos --; 
 		}
 		
 	}
+	
+	public int getWert() {return this.wert;}
+	
+	
+	
 	// End of Class
 }

PR2pvl/src/LinkedList.java

@@ -11,9 +11,9 @@ public class LinkedList {
 		kopf.einfuegenAmEnde(wert);
 	}
 	
-	public void auslesenAnPos(int pos) throws Exception {
+	public int auslesenAnPos(int pos) throws Exception {
 		
-		kopf.auslesenAnPos(pos);
+		return kopf.auslesenAnPos(pos);
 	}
 	
 	public void loeschenAnPos(int pos) throws Exception {

PR2pvl/src/LinkedListTest.java

@@ -0,0 +1,26 @@
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.Assert;
+import org.junit.function.ThrowingRunnable;
+import org.junit.jupiter.api.Test;
+
+class LinkedListTest {
+
+	private static final ThrowingRunnable IndexOutOfBoundsException = null;
+
+	@Test
+	void test() throws Exception {
+		LinkedList L = new LinkedList(11);
+		L.einfuegenAmEnde(10);
+		L.einfuegenAmEnde(9);
+		L.einfuegenAmEnde(8);
+		L.einfuegenAmEnde(7);
+		
+
+	
+		LinkedList R = new LinkedList(10);
+		R.einfuegenAmEnde(3);
+		Assert.assertEquals(3, R.auslesenAnPos(2));
+	}
+
+}