Summe

src/main/java/src/TasksFrame.java

@@ -64,15 +64,13 @@ public class TasksFrame extends JFrame {
 
         setupSum();
 
+        setupDiff();
+
         setupSumCalc(0, 10);
 
         setup5ModList(1, 20);
 
         setupLeibnizR(1000);
-        
-        setupDiff();
-
-
 
     }
 
@@ -175,7 +173,7 @@ public class TasksFrame extends JFrame {
         return a-b;
     }
 
-    private void setupSum() {
+    public void setupSum() {
         JPanel jPanel = setupPanel("Summe");
 
         JTextField a = new JTextField();
@@ -200,7 +198,8 @@ public class TasksFrame extends JFrame {
                 String textb = b.getText();
                 Integer val_a = Integer.valueOf(texta);
                 Integer val_b = Integer.valueOf(textb);
-                result.setText(String.valueOf(val_a+val_b));
+                int res = calcSumm(val_a, val_b);
+                result.setText(String.valueOf(res));
             }
         });
 
@@ -212,6 +211,10 @@ public class TasksFrame extends JFrame {
 
     }
 
+    public int calcSumm(int a, int b) {
+        return a+b;
+    }
+
     private void setupHelloWorld() {
 
         JPanel jPanel = setupPanel("Hello World");

src/test/java/src/TasksFrameTest.java

@@ -24,6 +24,16 @@ class TasksFrameTest {
         assertEquals(4, diff3);
     }
 
+    @Test
+    void setupSumm(){
+        TasksFrame frame = new TasksFrame();
+        int sum1 = frame.calcSumm(23, 11);
+        assertEquals(34, sum1);
+        int sum2 = frame.calcSumm(0,0);
+        assertEquals(0, sum2);
+        int sum3= frame.calcSumm(-1,-9);
+        assertEquals(-10,sum3);
+    }
 
     }