//: state:KissingPrincess.java
package state;
import junit.framework.*;

class Creature {
  private boolean isFrog = true;
  public void greet() {
    if(isFrog)
      System.out.println("Ribbet!");
    else
      System.out.println("Darling!");
  }
  public void kiss() { isFrog = false; }
}

public class KissingPrincess extends TestCase  {
  Creature creature = new Creature();
  public void test() {
    creature.greet();
    creature.kiss();
    creature.greet();
  }
  public static void main(String args[]) {
    junit.textui.TestRunner.run(KissingPrincess.class);
  }
} ///:~