TestByteSource(byte[] bytes, TestOption... options) {
    this.bytes = checkNotNull(bytes);
    this.options = ImmutableSet.copyOf(options);
  }

  @Override
  public boolean wasStreamOpened() {
    return inputStreamOpened;
  }

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

  @Override
  public InputStream openStream() throws IOException {

  TestByteSource(byte[] bytes, TestOption... options) {
    this.bytes = checkNotNull(bytes);
    this.options = ImmutableSet.copyOf(options);
  }

  @Override
  public boolean wasStreamOpened() {
    return inputStreamOpened;
  }

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

  @Override
  public InputStream openStream() throws IOException {

 * possibly closed.
 *
 * @author Colin Decker
 */
public interface TestStreamSupplier {

  /** Returns whether or not a new stream was opened. */
  boolean wasStreamOpened();

  /** Returns whether or not an open stream was closed. */
  boolean wasStreamClosed();

 * possibly closed.
 *
 * @author Colin Decker
 */
public interface TestStreamSupplier {

  /** Returns whether or not a new stream was opened. */
  boolean wasStreamOpened();

  /** Returns whether or not an open stream was closed. */
  boolean wasStreamClosed();

  public TestByteSink(TestOption... options) {
    this.options = ImmutableSet.copyOf(options);
  }

  byte[] getBytes() {
    return bytes.toByteArray();
  }

  @Override
  public boolean wasStreamOpened() {
    return outputStreamOpened;
  }

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

  @Override
  public OutputStream openStream() throws IOException {