shoppingcarttestcase.java

来自「BEA WebLogic Server 8.1大全 = BEA webLogic」· Java 代码 · 共 69 行

package wls8unleashed.testing;

import java.util.Vector;

import junit.framework.Assert;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

public class ShoppingCartTestCase extends TestCase
{

    private ShoppingCart cart;
    private CartItem item1;
    private CartItem item2;
    private CartItem item3;
 
    public ShoppingCartTestCase()
    {
    }

    protected void setUp()
    {
	cart = new ShoppingCart();
	item1 = new CartItem("Video Card", 1, 149.99);
	item2 = new CartItem("Monitor", 1, 459.99);
	item3 = new CartItem("Camera", 1, 289.99);
    }

    public void testAddItem()
    {
	cart.addItem(item1);
	Vector items = cart.getItems();
	CartItem tmpItem = (CartItem)items.get(0);
	Assert.assertEquals(tmpItem.getName(), item1.getName());
	Assert.assertEquals(tmpItem.getQuantity(), item1.getQuantity());
	Assert.assertEquals(tmpItem.getUnitPrice(), item1.getUnitPrice(), 0.0);
    }

    public void testNumItems()
    {
	cart.addItem(item1);
	cart.addItem(item2);
	cart.addItem(item3);
	Assert.assertTrue(cart.getNumItems() == 3);
    }

    public void testTotalCost()
    {
	cart.addItem(item1);
	cart.addItem(item2);
	cart.addItem(item3);
	Assert.assertEquals(cart.getTotalCost(), 899.97, 0.0);
    }
	
    public void testEmptyCart()
    {
	cart.addItem(item1);
	cart.emptyCart();
	Assert.assertTrue(cart.getNumItems() == 0);
    }

    public static Test suite()
    {
	TestSuite suite = new TestSuite(ShoppingCartTestCase.class);
	return suite;
    }
}