BMI Wert auf Zwei Nachkommastellen abrunden + Test "BMI"

src/main/java/src/TasksFrame.java

@@ -147,8 +147,10 @@ public class TasksFrame extends JFrame {
     }
 
     public double bmi(double height, double weight) {
-
-        return weight / (height * height);
+        double result = 0.0;
+        result = weight / (height * height);
+        double roundOff = Math.round(result * 100.0) / 100.0;
+        return roundOff;
     }
 
 

src/test/java/src/TasksFrameTest.java

@@ -158,6 +158,17 @@ class TasksFrameTest {
         int c = Integer.parseInt(tasksFrame.umrechnen(48));
         assertEquals(110000, c);
     }
+
+    @Test
+    void test_bmi(){
+        TasksFrame tasksFrame = new TasksFrame();
+        double a = tasksFrame.bmi(1.65, 60.0);
+        assertEquals(22.04, a);
+        double b = tasksFrame.bmi(1.95, 72);
+        assertEquals(18.93, b);
+        double c = tasksFrame.bmi(1.24, 30);
+        assertEquals(19.51, c);
+    }
 }