public void BasicTaxIsRoundedUpToFiveCents()
{
var basicTax = new BasicTax();
Assert.Equal(1.91M + 0.20M, basicTax.ApplyTo(1.91M));
Assert.Equal(1.51M + 0.20M, basicTax.ApplyTo(1.51M));
Assert.Equal(1.50M + 0.15M, basicTax.ApplyTo(1.50M));
Assert.Equal(1.42M + 0.15M, basicTax.ApplyTo(1.42M));
Assert.Equal(1.09M + 0.15M, basicTax.ApplyTo(1.09M));
Assert.Equal(1.00M + 0.10M, basicTax.ApplyTo(1.00M));
}
public void ReceiptForOneArticleMatchesItsData()
{
var articleName = Guid.NewGuid().ToString();
var article = new Article(1, Country.Ita, Category.ArtsAndCrafts, articleName, 100);
var purchase = new Purchase(article.SupplierCountry);
var tax = new BasicTax();
purchase.Add(article, 1, tax);
var receipt = purchase.BuildReceipt();
var entry = receipt.Entries.Single();
const int quantity = 1;
var priceWithTaxes = tax.ApplyTo(article.Price);
Assert.Equal(articleName, entry.Description);
Assert.Equal(quantity, entry.Quantity);
Assert.Equal(priceWithTaxes, entry.TotalPriceWithTaxes);
Assert.Equal(priceWithTaxes - article.Price, receipt.Taxes);
Assert.Equal(priceWithTaxes, receipt.Total);
}