public void AddSameItems()
{
List <ItemLogic> Items = new List <ItemLogic>();
var uno = new ItemLogic {
ItemId = 1, ItemName = "Pepperoni", ItemSize = "Large"
};
var dos = new ItemLogic {
ItemId = 2, ItemName = "Meat Lovers", ItemSize = "Small"
};
Items.Add(uno);
Items.Add(dos);
var tres = new ItemLogic {
ItemId = 3, ItemName = "Tequila", ItemSize = "XXXXXXXXL"
};
var i = 3;
var actual = ItemLogic.AddMultipleItems(Items, tres, i);
Assert.Equal(actual[2].ItemId, tres.ItemId);
Assert.Equal(actual[3].ItemId, tres.ItemId);
Assert.Equal(actual[4].ItemId, tres.ItemId);
Assert.Equal(actual[2].ItemName, tres.ItemName);
Assert.Equal(actual[3].ItemName, tres.ItemName);
Assert.Equal(actual[4].ItemName, tres.ItemName);
Assert.Equal(actual[2].ItemSize, tres.ItemSize);
Assert.Equal(actual[3].ItemSize, tres.ItemSize);
Assert.Equal(actual[4].ItemSize, tres.ItemSize);
}