public void Contains_100000_Elements_ShouldExecuteFast()
{
// Arrange
IProductStock stock = new Instock();
const int count = 100000;
LinkedList <Product> products = new LinkedList <Product>();
for (int i = 0; i < count; i++)
{
products.AddLast(new Product(i.ToString(), i, i));
stock.Add(products.Last.Value);
}
// Act
Stopwatch sw = Stopwatch.StartNew();
LinkedListNode <Product> node = products.First;
while (node != null)
{
Assert.True(stock.Contains(node.Value));
node = node.Next;
}
sw.Stop();
Assert.Less(sw.ElapsedMilliseconds, 250);
}
public void Contains_On_Empty_Collection_ShouldReturnFalse()
{
//Arrange
IProductStock stock = new Instock();
//Act
//Assert
Assert.IsFalse(stock.Contains(new Product("Bakar", 5.5, 15)));
}
public void Add_SingleElement_Contains_ShouldReturnTrue()
{
//Arrange
IProductStock stock = new Instock();
Product product = new Product("Pizza", 4.30, 1510);
//Act
stock.Add(product);
//Assert
var actual = stock.Contains(product);
Assert.True(actual, "Contains on existing element return true");
}
public void Contains_On_Non_ExistingElement_ShouldReturnFalse()
{
//Arrange
IProductStock stock = new Instock();
Product product = new Product("Pizza", 4.30, 1510);
Product product2 = new Product("Rizza", 4.30, 1510);
//Act
stock.Add(product);
//Assert
var actual = stock.Contains(product2);
Assert.False(actual, "Contains on non-existing element should return false");
}
public void FindByLabel_Should_Work_Correctly()
{
//Arrange
IProductStock stock = new Instock();
Product product1 = new Product("SalamShpekov", 3.50, 50);
Product product2 = new Product("BekonNov", 2.65, 43);
Product product3 = new Product("MayonezaNiskomaslena", 1.30, 13);
//Act
stock.Add(product1);
stock.Add(product2);
stock.Add(product3);
stock.ChangeQuantity("SalamShpekov", 3);
//Assert
Assert.IsTrue(stock.Contains(product1));
Assert.AreSame(product2, stock.FindByLabel("BekonNov")
, "FindByLabel on existing element should return the element itself");
}
public static void Main()
{
var stock = new Instock();
var productA = new Product("A", 50, 100);
var productC = new Product("C", 100, 10);
var productB = new Product("B", 50, 3);
stock.Add(productA);
stock.Add(productC);
stock.Add(productB);
var contains = stock.Contains(productC);
var find = stock.Find(0);
stock.ChangeQuantity("C", -10);
var byLabel = stock.FindByLabel("C");
var firstCountByAscLabel = stock.FindFirstByAlphabeticalOrder(2);
var byPriceRange = stock.FindAllInRange(30, 500);
var byPrice = stock.FindAllByPrice(50);
var firstMostExpensive = stock.FindFirstMostExpensiveProducts(2);
}