public void CancelBid_when_1_bid_exists_changes_currentPrice_to_0_and_returns_credits_to_user()
{
var user1 = AuctionTestUtils.CreateUser();
auction.Raise(user1, 10);
var firstBid = auction.Bids.Last();
auction.MarkPendingEventsAsHandled();
auction.CancelBid(user1, firstBid);
auction.PendingEvents.Count.Should()
.Be(1);
auction.PendingEvents.First()
.Should()
.BeOfType <BidCanceled>();
auction.ActualPrice.Should().Be(0);
user1.PendingEvents.Should().HaveCount(2);
user1.PendingEvents.First().Should().BeOfType <CreditsWithdrawn>();
user1.PendingEvents.Last().Should().BeOfType <CreditsReturned>();
user1.Credits.Should().Be(1000);
}
