public void ShouldNotDoubleBidIfHasNotPreviousBid()
{
Auction auction = new AuctionGenerator().To("Macbook Pro 15").Build();
auction.DoubleBid(steveJobs);
Assert.AreEqual(0, auction.Bids.Count);
}
public void ShouldDoubleLastBidByUser()
{
Auction auction = new AuctionGenerator().To("Macbook Pro 15")
.Bid(steveJobs, 2000)
.Bid(billGates, 3000)
.Build();
auction.DoubleBid(steveJobs);
Assert.AreEqual(4000, auction.Bids[2].Value);
}