assertEquals(10, ticker.read());
    ticker.advance(1, MILLISECONDS);
    assertEquals(1000010L, ticker.read());
    ticker.advance(Duration.ofMillis(1));
    assertEquals(2000010L, ticker.read());
  }

  public void testAutoIncrementStep_returnsSameInstance() {
    FakeTicker ticker = new FakeTicker();
    assertThat(ticker.setAutoIncrementStep(10, NANOSECONDS)).isSameInstanceAs(ticker);
  }

    assertEquals(10, ticker.read());
    ticker.advance(1, MILLISECONDS);
    assertEquals(1000010L, ticker.read());
    ticker.advance(Duration.ofMillis(1));
    assertEquals(2000010L, ticker.read());
  }

  public void testAutoIncrementStep_returnsSameInstance() {
    FakeTicker ticker = new FakeTicker();
    assertThat(ticker.setAutoIncrementStep(10, NANOSECONDS)).isSameInstanceAs(ticker);
  }

/**
 * Unit tests for {@link SipHashFunction}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class SipHashFunctionTest extends TestCase {

  // From https://131002.net/siphash/siphash24.c
  // k = 00 01 02 ...
  private static final long K0 = 0x0706050403020100L;
  private static final long K1 = 0x0f0e0d0c0b0a0908L;
  private static final HashFunction SIP_WITH_KEY = sipHash24(K0, K1);

/**
 * Unit tests for {@link SipHashFunction}.
 *
 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class SipHashFunctionTest extends TestCase {

  // From https://131002.net/siphash/siphash24.c
  // k = 00 01 02 ...
  private static final long K0 = 0x0706050403020100L;
  private static final long K1 = 0x0f0e0d0c0b0a0908L;
  private static final HashFunction SIP_WITH_KEY = sipHash24(K0, K1);

        .addEqualityGroup(BloomFilter.create(byteArrayFunnel(), 200, 0.02))
        .addEqualityGroup(BloomFilter.create(unencodedCharsFunnel(), 100, 0.01))
        .addEqualityGroup(BloomFilter.create(unencodedCharsFunnel(), 100, 0.02))
        .addEqualityGroup(BloomFilter.create(unencodedCharsFunnel(), 200, 0.01))
        .addEqualityGroup(BloomFilter.create(unencodedCharsFunnel(), 200, 0.02))
        .testEquals();
  }