public void ShouldFindItemInteresting()
{
var item = new Item(1);
var buyer = PersonFactory.BuyerBuilder().WithStartBalance(400).Build();
var collectorsDecoratorItem = new CollectorsDecorator(item);
Assert.True(buyer.IsInteresting(collectorsDecoratorItem));
}
public void ShouldFindItemNotInterestingBecauseOfLackOfMoney()
{
var item = new Item(1);
var buyer = PersonFactory.BuyerBuilder().WithStartBalance(10).Build();
var collectorsDecoratorItem = new CollectorsDecorator(item);
Assert.False(buyer.IsInteresting(collectorsDecoratorItem));
}
public void ShouldHaveOneMoreItemAfterBuying()
{
var seller = PersonFactory.SellerBuilder(false).WithRandomBalance().Build();
var buyer = PersonFactory.BuyerBuilder().WithNumberOfBelongings(0).WithStartBalance(100).Build();
IItem item = new Item(1);
buyer.BuyItem(item, seller);
Assert.Equal(1, buyer.Belongings.Count);
}
public void cannotSellBecauseIsNotListedForSale()
{
var seller = PersonFactory.SellerBuilder(false).WithRandomBalance().WithNumberOfBelongings(10).Build();
var Buyer = PersonFactory.BuyerBuilder().WithStartBalance(100).Build();
var items = seller.Belongings.ToList();
items.ForEach(i => seller.BuyItem(i));
Assert.Equal(10, seller.Belongings.Count);
}
public void NoBuyersIsEqualToEachOther()
{
var listOfBuyers = new List <Buyer>();
for (var i = 0; i < 100; i++)
{
listOfBuyers.Add(PersonFactory.BuyerBuilder().WithNumberOfBelongings(0).WithStartBalance(100).Build());
}
var num = listOfBuyers.Distinct().Count();
Assert.Equal(100, num);
}
public void ShouldHavePriceOfBoughtItemLessInBalance()
{
var startBalance = 100;
var seller = PersonFactory.SellerBuilder(false).WithRandomBalance().Build();
var buyer = PersonFactory.BuyerBuilder().WithNumberOfBelongings(0).WithStartBalance(startBalance).Build();
IItem item = new Item(1);
var itemPrice = item.Price;
buyer.BuyItem(item, seller);
Assert.Equal(startBalance - itemPrice, buyer.Balance);
}
public void shouldHaveThreeLessItemAfterSellingThree()
{
var seller = PersonFactory.SellerBuilder(false).WithRandomBalance().WithNumberOfBelongings(10).Build();
var Buyer = PersonFactory.BuyerBuilder().WithStartBalance(100).Build();
var items = seller.Belongings.ToList();
seller.SellItems(3);
items.ForEach(i => seller.BuyItem(i));
Assert.Equal(7, seller.Belongings.Count);
}
public void CanBuyItemThatCostsSameAsBalance()
{
IItem item = new Item(1);
var startBalance = (int)item.Price;
var seller = PersonFactory.SellerBuilder(false).WithRandomBalance().Build();
var buyer = PersonFactory.BuyerBuilder().WithNumberOfBelongings(0).WithStartBalance(startBalance).Build();
if (buyer.IsInteresting(item))
{
buyer.BuyItem(item, seller);
}
Assert.Equal(1, buyer.NumberOfItemsBought);
}
public void BuyersIsDuplicate()
{
var listOfBuyers = new List <Buyer>();
var buyer = PersonFactory.BuyerBuilder().WithNumberOfBelongings(0).WithStartBalance(100).Build();
for (var i = 0; i < 100; i++)
{
listOfBuyers.Add(buyer);
}
var num = listOfBuyers.Distinct().Count();
Assert.Equal(1, num);
}
public void StartSimulation()
{
IsRunningCheck();
List <Seller> sellers;
List <Buyer> buyers;
lock (RunningCheckLock) {
RunningSimulation = true;
_isCurrentlyRunning = true;
var buyerBuilder = PersonFactory.BuyerBuilder()
.WithStartBalance(_buyerStartBalance);
buyers = new string[_numberOfBuyers]
.Select(_null => buyerBuilder.Build()).ToList();
var sellerBuilder = PersonFactory.SellerBuilder(false)
.WithNumberOfBelongings(_numberOfSellerBelongings);
sellers = new string[_numberOfSellers]
.Select(_null => sellerBuilder.Build()).ToList();
var loopCount = 1;
while (sellers.Any(seller => seller.HasMoreNotListedItems))
{
WaitHandle[] waitHandles = sellers.FindAll(seller => seller.HasMoreNotListedItems)
.OrderBy(seller => Guid.NewGuid())
.Select(seller => {
var waitHandle = new ManualResetEvent(false);
ThreadPool.QueueUserWorkItem(delegate(object state) {
var mre = (ManualResetEvent)state;
var threadSafeRandom = new ThreadSafeRandom();
seller.SellItems(threadSafeRandom.Next(1, 50));
mre.Set();
}, waitHandle);
return(waitHandle);
}).ToArray();
WaitHandle.WaitAll(waitHandles);
Console.WriteLine($"All sellers have now sold it's #{loopCount++} batch");
}
_isCurrentlyRunning = false;
RunningSimulation = false;
Console.WriteLine("Everything is sold");
}
PrintStatistics(sellers, buyers);
}