import java.security.NoSuchAlgorithmException;
import java.util.Arrays;

/**
 * {@link HashFunction} adapter for {@link MessageDigest} instances.
 *
 * @author Kevin Bourrillion
 * @author Dimitris Andreou
 */
@Immutable
@ElementTypesAreNonnullByDefault
final class MessageDigestHashFunction extends AbstractHashFunction implements Serializable {

  @SuppressWarnings("Immutable") // cloned before each use

import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.Arrays;
import junit.framework.TestCase;
import org.mockito.InOrder;

/**
 * Tests for HashExtractors.
 *
 * @author Dimitris Andreou
 */
public class FunnelsTest extends TestCase {
  public void testForBytes() {
    PrimitiveSink primitiveSink = mock(PrimitiveSink.class);

import java.util.List;
import java.util.Set;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Tests for CompactLinkedHashSet.
 *
 * @author Dimitris Andreou
 */
@GwtIncompatible // java.util.Arrays#copyOf(Object[], int), java.lang.reflect.Array
public class CompactLinkedHashSetTest extends TestCase {
  public static Test suite() {
    List<Feature<?>> allFeatures =

 * the hash computation done using {@linkplain #newHasher()} are delegated to the {@linkplain
 * #hashBytes(byte[], int, int)} method.
 *
 * @author Dimitris Andreou
 */
@Immutable
@ElementTypesAreNonnullByDefault
abstract class AbstractNonStreamingHashFunction extends AbstractHashFunction {
  @Override
  public Hasher newHasher() {
    return newHasher(32);
  }

import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.Arrays;
import junit.framework.TestCase;
import org.mockito.InOrder;

/**
 * Tests for HashExtractors.
 *
 * @author Dimitris Andreou
 */
public class FunnelsTest extends TestCase {
  public void testForBytes() {
    PrimitiveSink primitiveSink = mock(PrimitiveSink.class);

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import junit.framework.TestCase;

/**
 * Tests for AbstractStreamingHasher.
 *
 * @author Dimitris Andreou
 */
public class AbstractStreamingHasherTest extends TestCase {
  public void testBytes() {
    Sink sink = new Sink(4); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};

import javax.annotation.CheckForNull;

/**
 * See MurmurHash3_x64_128 in <a href="http://smhasher.googlecode.com/svn/trunk/MurmurHash3.cpp">the
 * C++ implementation</a>.
 *
 * @author Austin Appleby
 * @author Dimitris Andreou
 */
@Immutable
@ElementTypesAreNonnullByDefault
final class Murmur3_128HashFunction extends AbstractHashFunction implements Serializable {
  static final HashFunction MURMUR3_128 = new Murmur3_128HashFunction(0);

 * {@code Hasher} objects of the delegate hash functions, and in the end, they are used by
 * {@linkplain #makeHash(Hasher[])} that constructs the final {@code HashCode}.
 *
 * @author Dimitris Andreou
 */
@Immutable
@ElementTypesAreNonnullByDefault
abstract class AbstractCompositeHashFunction extends AbstractHashFunction {

  @SuppressWarnings("Immutable") // array not modified after creation

import java.nio.charset.Charset;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Funnels for common types. All implementations are serializable.
 *
 * @author Dimitris Andreou
 * @since 11.0
 */
@Beta
@ElementTypesAreNonnullByDefault
public final class Funnels {
  private Funnels() {}

  /** Returns a funnel that extracts the bytes from a {@code byte} array. */

import java.util.Arrays;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit tests for {@link HashCode}.
 *
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
public class HashCodeTest extends TestCase {
  // note: asInt(), asLong() are in little endian
  private static final ImmutableList<ExpectedHashCode> expectedHashCodes =