@Test
  public void willLimitBidToMaximum() throws Exception {
    context.checking(
        new Expectations() {
          {
            exactly(1).of(auction).bid(maximumBid);
          }
        });

    sniper.bidAccepted(maximumBid.subtract(new Money(1)));
  }
  @Test
  public void triesToBeatTheLatestHighestBid() throws Exception {
    final Money expectedBid = beatableBid.add(increment);

    context.checking(
        new Expectations() {
          {
            oneOf(auction).bid(expectedBid);
          }
        });

    sniper.bidAccepted(beatableBid);
  }
/**
 * This and other classes in this package (except, naturally, AuctionSniper_JMockit_Test) are based
 * on the original source code available <a
 * href="http://svn.jmock.codehaus.org/browse/jmock/trunk/jmock2/example/org/jmock/example/sniper">here</a>.
 * Small modifications were made to simplify the code, without compromising the original design.
 */
@RunWith(JMock.class)
public final class AuctionSniperTest {
  final Mockery context = new JUnit4Mockery();

  final Money increment = new Money(2);
  final Money maximumBid = new Money(20);
  final Money beatableBid = new Money(10);
  final Money unbeatableBid = maximumBid.add(new Money(1));

  final Auction auction = context.mock(Auction.class);
  final AuctionSniperListener listener = context.mock(AuctionSniperListener.class, "listener");

  final AuctionSniper sniper = new AuctionSniper(auction, increment, maximumBid, listener);

  @Test
  public void triesToBeatTheLatestHighestBid() throws Exception {
    final Money expectedBid = beatableBid.add(increment);

    context.checking(
        new Expectations() {
          {
            oneOf(auction).bid(expectedBid);
          }
        });

    sniper.bidAccepted(beatableBid);
  }

  @Test
  public void willNotBidPriceGreaterThanMaximum() throws Exception {
    context.checking(
        new Expectations() {
          {
            ignoring(listener);
            never(auction).bid(with(any(Money.class)));
          }
        });

    sniper.bidAccepted(unbeatableBid);
  }

  @Test
  public void willLimitBidToMaximum() throws Exception {
    context.checking(
        new Expectations() {
          {
            exactly(1).of(auction).bid(maximumBid);
          }
        });

    sniper.bidAccepted(maximumBid.subtract(new Money(1)));
  }

  @Test
  public void willAnnounceItHasFinishedIfPriceGoesAboveMaximum() {
    context.checking(
        new Expectations() {
          {
            exactly(1).of(listener).sniperFinished(sniper);
          }
        });

    sniper.bidAccepted(unbeatableBid);
  }

  @Test
  public void catchesExceptionsAndReportsThemToErrorListener() throws Exception {
    final AuctionException exception = new AuctionException("test");

    context.checking(
        new Expectations() {
          {
            allowing(auction).bid(with(any(Money.class)));
            will(throwException(exception));
            exactly(1).of(listener).sniperBidFailed(sniper, exception);
          }
        });

    sniper.bidAccepted(beatableBid);
  }
}