public void Should_return_true_for_matching_item()
{
var subject = new FlatXPercentOff("item-1", 0.15m);
var orderItem = new OrderItem {
Identifier = "item-1", ItemCost = 50m, Quantity = 10
};
Assert.IsTrue(subject.MatchesItem(orderItem));
}
public void Should_not_match_when_order_is_null()
{
var subject = new FlatXPercentOff("item-1", 0.3m);
Assert.IsFalse(subject.MatchesItem(null));
}