public void can_add_product()
{
// ARRANGE
var catalog = new ProductCatalog();
// ACT
catalog.UpdateProductPrice("A", 50);
// ASSERT
Assert.Equal(50, catalog.GetPriceForProduct("A"));
}
public void can_remove_product()
{
// ARRANGE
var catalog = new ProductCatalog();
catalog.UpdateProductPrice("A", 50);
// ACT
catalog.RemoveProduct("A");
// ASSERT
Assert.Throws <UnknownSkuException>(
() => catalog.GetPriceForProduct("A"));
}