public void Discount_Less_Than_10()
{
IDiscounthelper target = GetTestObject();
decimal discount5 = target.ApplyDiscount(5);
decimal discount0 = target.ApplyDiscount(0);
Assert.AreEqual(0, discount0);
Assert.AreEqual(0, discount0);
}
public void Discount_Between_10_And_100()
{
IDiscounthelper target = GetTestObject();
decimal TenDollarsDiscount = target.ApplyDiscount(10);
decimal HundredDollarsDiscount = target.ApplyDiscount(100);
decimal FiftyDollarsDiscount = target.ApplyDiscount(50);
Assert.AreEqual(5, TenDollarsDiscount, "$10 discount is wrong");
Assert.AreEqual(95, HundredDollarsDiscount, "$100 discount is wrong");
Assert.AreEqual(45, FiftyDollarsDiscount, "$50 discount is wrong");
}
public void Discount_Above_100()
{
IDiscounthelper target = GetTestObject();
decimal total = 200;
var discountedTotal = target.ApplyDiscount(total);
Assert.AreEqual(total * 0.9M, discountedTotal);
}
public decimal ValueProducts(IEnumerable <Products> prods)
{
return(discounter.ApplyDiscount(prods.Sum(p => p.Price)));
}
public void Discount_Negative_Total()
{
IDiscounthelper target = GetTestObject();
target.ApplyDiscount(-1);
}