public void DoDiscountCategoryDiscountValueTest(double price, int discountValue, Category discountCategory,
Category productCategory)
{
var product = new Product()
{
BasePrice = price, ResultPrice = price, Type = productCategory
};
var discount = new CertificateDiscount()
{
DiscountValue = discountValue, CategoryOfProduct = discountCategory
};
discount.DoDiscount(product);
if (discount.CategoryOfProduct != product.Type && discount.CategoryOfProduct != Category.All)
{
Assert.That(() => discount.DiscountValue, Is.EqualTo(discountValue));
}
}
private void randomButton_Click(object sender, EventArgs e)
{
switch (Project.Rnd.Next(2))
{
case 0:
var percentDiscount = new PercentDiscount()
{
CategoryOfProduct = (Category)Project.Rnd.Next(4), DiscountValue = Project.Rnd.Next(101)
};
iDiscountBindingSource.Add(percentDiscount);
WriteDiscountInfo(percentDiscount, iDiscountBindingSource.Count - 1);
break;
case 1:
var certificateDiscount = new CertificateDiscount()
{
CategoryOfProduct = (Category)Project.Rnd.Next(4), DiscountValue = Project.Rnd.Next(100000)
};
iDiscountBindingSource.Add(certificateDiscount);
WriteDiscountInfo(certificateDiscount, iDiscountBindingSource.Count - 1);
break;
}
discountListDataGridView.Update();
}
public void NegativeDiscountValueTest(int value)
{
var discount = new CertificateDiscount();
Assert.That(() => discount.DiscountValue = value, Throws.Exception.TypeOf <ArgumentOutOfRangeException>());
}
public void PositiveDiscountValueTest(int value)
{
var discount = new CertificateDiscount();
Assert.That(() => discount.DiscountValue = value, Is.EqualTo(value));
}