public void ProductStock_FindByPriceRangeReturnsCorrectEmptyCollection(decimal lo, decimal hi)
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
var result = stock.FindAllInRange(lo, hi);
Assert.AreEqual(result.Count(), 0);
}
public void ProductStock_FindByPriceRangeReturnsCorrectNonEmptyCollection(decimal lo, decimal hi, string orderNames)
{
var stock = new ProductStock();
stock.Add(new Product("SSD", 12.4m, 3));
stock.Add(new Product("CPU", 16.5m, 3));
stock.Add(new Product("HDD", 20.7m, 3));
stock.Add(new Product("RAM", 14.9m, 3));
var result = stock.FindAllInRange(lo, hi);
var names = orderNames.Split(" ").ToArray();
int i = 0;
foreach (var item in result)
{
Assert.AreEqual(item.CompareTo(new Product(names[i++], 12.4m, 3)), 0);
}
}
public void FindAllInPriceRange_ReturnsProductsOrEmptyCollection(decimal min, decimal max)
{
var productsInRange = new List <IProduct>();
for (int i = 0; i < 2; i++)
{
var product = new Product($"{i}", 1.1m, 1);
productStock.Add(product);
if (product.Price >= min && product.Price <= max)
{
productsInRange.Add(product);
}
}
var productsFound = productStock.FindAllInRange(min, max);
CollectionAssert.AreEqual(productsFound, productsInRange);
}
public void FindAllInRange_ShouldReturnEmptyEnumeration()
{
var actual = productStock.FindAllInRange(10, 22);
Assert.IsEmpty(actual);
}