import java.io.IOException;
import java.io.InputStream;
import java.util.Random;

/** Returns a random portion of the requested bytes on each call. */
class RandomAmountInputStream extends FilterInputStream {
  private final Random random;

  public RandomAmountInputStream(InputStream in, Random random) {
    super(checkNotNull(in));
    this.random = checkNotNull(random);
  }

  @Override

import java.io.IOException;
import java.io.InputStream;
import java.util.Random;

/** Returns a random portion of the requested bytes on each call. */
class RandomAmountInputStream extends FilterInputStream {
  private final Random random;

  public RandomAmountInputStream(InputStream in, Random random) {
    super(checkNotNull(in));
    this.random = checkNotNull(random);
  }

  @Override

  @Override
  public boolean wasStreamClosed() {
    return inputStreamClosed;
  }

  @Override
  public InputStream openStream() throws IOException {
    inputStreamOpened = true;
    return new RandomAmountInputStream(new In(), new Random());
  }

  private final class In extends TestInputStream {

    public In() throws IOException {
      super(new ByteArrayInputStream(bytes), options);
    }

    @Override

  @Override
  public boolean wasStreamClosed() {
    return inputStreamClosed;
  }

  @Override
  public InputStream openStream() throws IOException {
    inputStreamOpened = true;
    return new RandomAmountInputStream(new In(), new Random());
  }

  private final class In extends TestInputStream {

    public In() throws IOException {
      super(new ByteArrayInputStream(bytes), options);
    }

    @Override

    assertTrue(
        source.contentEquals(
            new ByteSource() {
              @Override
              public InputStream openStream() throws IOException {
                return new RandomAmountInputStream(
                    new ByteArrayInputStream(expected), new Random());
              }
            }));
  }

  public void testRead_usingByteProcessor() throws IOException {
    byte[] readBytes =