import javax.swing.JOptionPane;

/**
   This class tests the Purse class by prompting the
   user to add coins into a purse and computing the total
   value of the purse.
*/
public class PurseTest
{
   public static void main(String[] args)
   {
      double NICKEL_VALUE = 0.05;
      double DIME_VALUE = 0.1;
      double QUARTER_VALUE = 0.25;

      Purse myPurse = new Purse();
      
      String input = JOptionPane.showInputDialog("Enter coin name or Cancel") ;

      while ( input != null )
      {
           System.out.println("You entered: " + input) ;
           double value = 0;
           if (input.equalsIgnoreCase("nickel"))
               value = NICKEL_VALUE;
           else if (input.equalsIgnoreCase("dime"))
              value = DIME_VALUE;
           else if (input.equalsIgnoreCase("quarter"))
              value = QUARTER_VALUE;
           if (value != 0)
           {
              Coin c = new Coin(value, input);
              myPurse.add(c);
              double totalValue = myPurse.getTotal();
              System.out.println("The total is " + totalValue);
      	   }
      	   
      	   input = JOptionPane.showInputDialog("Enter coin name or Cancel") ;
      }
      System.exit(0);
   }
}

/*  sample output:

You entered: dime
The total is 0.1
You entered: Quarter
The total is 0.35
You entered: NICKEL
The total is 0.39999999999999997
You entered: nickel
The total is 0.44999999999999996
You entered: quarter
The total is 0.7
You entered: penny
You entered: peso

*/