Changed select method with test for MenuManager to avoid ArrayIndexOutOfBoundsException

src/main/java/Application/MenuManager.java

@@ -23,6 +23,8 @@ public class MenuManager {
     }
 
     public void select(int i) {
+        if(i < 0 || i >= this.getSize())
+            return;
         if (currentMenu == null)
             this.currentMenu = menuList.get(i);
         else

src/test/java/Application/MenuManagerTest.java

@@ -29,8 +29,18 @@ class MenuManagerTest {
     @Test
     void select() {
         assertNull(mm.getCurrentMenu());
+        //Negative index
+        mm.select(-1);
+        assertNull(mm.getCurrentMenu());
+
         mm.select(0);
         assertEquals(mm.getCurrentMenu().getName(), "Menu1");
+        //Dose nothing when index to big
+        mm.select(1);
+        assertEquals(mm.getCurrentMenu().getName(), "Menu1");
+
+        mm.select(0);
+        assertEquals(mm.getCurrentMenu().getName(), "Menu1.1");
         mm.select(0);
         assertEquals(mm.getCurrentMenu().getName(), "Menu1.1");
     }