@GuardedBy("this")
  @CheckForNull
  private MemoryOutput memory;

  @GuardedBy("this")
  @CheckForNull
  private File file;

  /** ByteArrayOutputStream that exposes its internals. */
  private static class MemoryOutput extends ByteArrayOutputStream {
    byte[] getBuffer() {
      return buf;
    }

    int getCount() {
      return count;
    }
  }

        sink.assertBytes(expected);
      }
    }
  }

  private static class Sink extends AbstractStreamingHasher {
    final int chunkSize;
    final int bufferSize;
    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    int processCalled = 0;
    boolean remainingCalled = false;

    Sink(int chunkSize, int bufferSize) {
      super(chunkSize, bufferSize);
      this.chunkSize = chunkSize;

   * delegate to {@link #openStream()} when the stream returned by that method does not benefit from
   * additional buffering (for example, a {@code ByteArrayOutputStream}). This method returns a new,
   * independent stream each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned stream is closed.
   *

import static org.junit.Assert.assertThrows;

import java.io.ByteArrayOutputStream;

/**
 * Unit tests for {@link CountingOutputStream}.
 *
 * @author Chris Nokleberg
 */
public class CountingOutputStreamTest extends IoTestCase {

  public void testCount() throws Exception {
    int written = 0;
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    CountingOutputStream counter = new CountingOutputStream(out);

import static org.junit.Assert.assertThrows;

import java.io.ByteArrayOutputStream;

/**
 * Unit tests for {@link CountingOutputStream}.
 *
 * @author Chris Nokleberg
 */
public class CountingOutputStreamTest extends IoTestCase {

  public void testCount() throws Exception {
    int written = 0;
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    CountingOutputStream counter = new CountingOutputStream(out);

    return reserialize(delegate.create(elements));
  }

  @SuppressWarnings("unchecked")
  static <T> T reserialize(T object) {
    try {
      ByteArrayOutputStream bytes = new ByteArrayOutputStream();
      ObjectOutputStream out = new ObjectOutputStream(bytes);
      out.writeObject(object);
      ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes.toByteArray()));

    @Override
    public int bits() {
      return 32;
    }

    @Override
    public Hasher newHasher() {
      return new AbstractStreamingHasher(4, 4) {
        final ByteArrayOutputStream out = new ByteArrayOutputStream();

        @Override
        protected HashCode makeHash() {
          return HashCode.fromBytes(out.toByteArray());
        }

        @Override

    @Override
    public int bits() {
      return 32;
    }

    @Override
    public Hasher newHasher() {
      return new AbstractStreamingHasher(4, 4) {
        final ByteArrayOutputStream out = new ByteArrayOutputStream();

        @Override
        protected HashCode makeHash() {
          return HashCode.fromBytes(out.toByteArray());
        }

        @Override

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.IOException;
import junit.framework.TestCase;

/**
 * Test class for {@link LittleEndianDataOutputStream}.
 *
 * @author Keith Bottner
 */
public class LittleEndianDataOutputStreamTest extends TestCase {

  private ByteArrayOutputStream baos = new ByteArrayOutputStream();