package org.apidesign.samples;

 public class CodeThatCanBeCalledOnlyByTest {

     private static int number;

     public static int getNumber() {

         return number;

     }

     public static void setNumber(int n) {

         // BEGIN: call.only.by.test

         boolean assertionsOn = false;

         assert assertionsOn = true;

         if (assertionsOn) {

             throw new IllegalStateException("This is a testing method only!");

         }

         // END: call.only.by.test

         number = n;

     }

 }