}

  public void testAutoIncrementStep_millis() {
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(1, TimeUnit.MILLISECONDS);
    assertEquals(0, ticker.read());
    assertEquals(1000000, ticker.read());
    assertEquals(2000000, ticker.read());
  }

  public void testAutoIncrementStep_seconds() {
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(3, TimeUnit.SECONDS);
    assertEquals(0, ticker.read());

  }

  public void testAutoIncrementStep_millis() {
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(1, TimeUnit.MILLISECONDS);
    assertEquals(0, ticker.read());
    assertEquals(1000000, ticker.read());
    assertEquals(2000000, ticker.read());
  }

  public void testAutoIncrementStep_seconds() {
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(3, TimeUnit.SECONDS);
    assertEquals(0, ticker.read());

    assertThat(bf.approximateElementCount()).isAtMost((long) (sizeGuess * 1.01));
  }

  public void testCreateAndCheckMitz32BloomFilterWithKnownFalsePositives() {
    int numInsertions = 1000000;
    BloomFilter<String> bf =
        BloomFilter.create(
            Funnels.unencodedCharsFunnel(),
            numInsertions,
            0.03,
            BloomFilterStrategies.MURMUR128_MITZ_32);

    assertThat(bf.approximateElementCount()).isAtMost((long) (sizeGuess * 1.01));
  }

  public void testCreateAndCheckMitz32BloomFilterWithKnownFalsePositives() {
    int numInsertions = 1000000;
    BloomFilter<String> bf =
        BloomFilter.create(
            Funnels.unencodedCharsFunnel(),
            numInsertions,
            0.03,
            BloomFilterStrategies.MURMUR128_MITZ_32);

  /** https://code.google.com/p/guava-libraries/issues/detail?id=1791 */
  public void testInfinity_BustyTimeElapsed() {
    RateLimiter limiter = RateLimiter.create(Double.POSITIVE_INFINITY, stopwatch);
    stopwatch.instant += 1000000;
    limiter.setRate(2.0);
    for (int i = 0; i < 5; i++) {
      limiter.acquire();
    }
    assertEvents(
        "R0.00", // First comes the saved-up burst, which defaults to a 1-second burst (2 requests).

 *
 * @author Sverre Sundsdal
 */
public class MinMaxPriorityQueueBenchmark {
  @Param private ComparatorType comparator;

  // TODO(kevinb): add 1000000 back when we have the ability to throw
  // NotApplicableException in the expensive comparator case.
  @Param({"100", "10000"})
  private int size;

  @Param private HeapType heap;

  private Queue<Integer> queue;

  private final Random random = new Random();

  /** https://code.google.com/p/guava-libraries/issues/detail?id=1791 */
  public void testInfinity_BustyTimeElapsed() {
    RateLimiter limiter = RateLimiter.create(Double.POSITIVE_INFINITY, stopwatch);
    stopwatch.instant += 1000000;
    limiter.setRate(2.0);
    for (int i = 0; i < 5; i++) {
      limiter.acquire();
    }
    assertEvents(
        "R0.00", // First comes the saved-up burst, which defaults to a 1-second burst (2 requests).

public class ChecksumBenchmark {

  // Use a constant seed for all of the benchmarks to ensure apples to apples comparisons.
  private static final int RANDOM_SEED = new Random().nextInt();

  @Param({"10", "1000", "100000", "1000000"})
  private int size;

  private byte[] testBytes;

  @BeforeExperiment
  void setUp() {
    testBytes = new byte[size];
    new Random(RANDOM_SEED).nextBytes(testBytes);
  }

  // CRC32

public class ChecksumBenchmark {

  // Use a constant seed for all of the benchmarks to ensure apples to apples comparisons.
  private static final int RANDOM_SEED = new Random().nextInt();

  @Param({"10", "1000", "100000", "1000000"})
  private int size;

  private byte[] testBytes;

  @BeforeExperiment
  void setUp() {
    testBytes = new byte[size];
    new Random(RANDOM_SEED).nextBytes(testBytes);
  }

  // CRC32

  @GwtIncompatible // Too slow in GWT (~3min fully optimized)
  public void testDivideRemainderEuclideanProperty() {
    // Use a seed so that the test is deterministic:
    Random r = new Random(0L);
    for (int i = 0; i < 1000000; i++) {
      int dividend = r.nextInt();
      int divisor = r.nextInt();
      // Test that the Euclidean property is preserved:
      assertThat(
              dividend