/** Returns the total sum that needs to be paid for all the items in the basket. */
public double getTotalPrice() {
double price = 0.0;
for (SoldItem item : getRows()) {
price += item.getSum();
}
return price;
}
@Override
protected Object getColumnValue(SoldItem item, int columnIndex) {
switch (columnIndex) {
case 0:
return item.getId();
case 1:
return item.getName();
case 2:
return item.getPrice();
case 3:
return item.getQuantity();
case 4:
return item.getSum();
}
throw new IllegalArgumentException("Column index out of range");
}
@Override
public String toString() {
final StringBuffer buffer = new StringBuffer();
for (int i = 0; i < headers.length; i++) buffer.append(headers[i] + "\t");
buffer.append("\n");
for (final SoldItem item : getRows()) {
buffer.append(item.getId() + "\t");
buffer.append(item.getName() + "\t");
buffer.append(item.getPrice() + "\t");
buffer.append(item.getQuantity() + "\t");
buffer.append(item.getSum() + "\t");
buffer.append("\n");
}
return buffer.toString();
}
@Test
public void testGetSumWithZeroQuantity() {
sold_item = new SoldItem(stock_item, 0);
assertEquals(sold_item.getSum(), 0, 0.0001);
}
@Test
public void testGetSum() {
sold_item = new SoldItem(stock_item, 10);
assertEquals(sold_item.getSum(), (price * 10), 0.0001);
}