/**
 * Tests the Grocery class.
 * 
 * @author JP Vergara
 * @version 1.0
 */
public class GroceryTester
{
   public static void main( String[] args )
   {
       Grocery g = new Grocery( 1000.00 );
       
       g.carryItem( "Coke", "cans", 0.50, 1.00 );
       g.carryItem( "Bread", "loaves", 1.00, 1.50 );
       g.carryItem( "Butter", "sticks", 0.25, .75 );
       System.out.printf( "The grocery has %7.2f dollars left.\n", g.getCashOnHand() );
       
       g.receiveShipment( "Coke", 12 );
       g.receiveShipment( "Bread", 100 );
       g.receiveShipment( "Butter", 10 );

       g.printInventory();       
       System.out.printf( "The grocery has %7.2f dollars left.\n", g.getCashOnHand() );
       
       g.sellItem( "Coke", 2 );
       g.sellItem( "Bread", 2 );
       g.sellItem( "Butter", 2 );
       
       g.printInventory();
       System.out.printf( "The grocery has %7.2f dollars left.\n", g.getCashOnHand() );

       g.receiveShipment( "Butter", 100 );
       System.out.printf( "There are %d %s of butter in stock.\n",
                            g.getItemStock("Butter"), g.getUnitName("Butter") );
       
       // some error cases follow
       
       g.sellItem( "Coke", 12 );
       g.sellItem( "Sprite", 1 );
       g.receiveShipment( "Bread", 2000 );

       System.out.printf( "The grocery has %7.2f dollars left.\n", g.getCashOnHand() );
       
              
   }
}