*/
public class LittleEndianDataInputStreamTest extends TestCase {

  private byte[] data;

  @Override
  protected void setUp() throws Exception {
    super.setUp();

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(baos);

    initializeData(out);

    data = baos.toByteArray();
  }

  public static ByteArrayDataOutput newDataOutput(ByteArrayOutputStream byteArrayOutputStream) {
    return new ByteArrayDataOutputStream(checkNotNull(byteArrayOutputStream));
  }

  private static class ByteArrayDataOutputStream implements ByteArrayDataOutput {

    final DataOutput output;
    final ByteArrayOutputStream byteArrayOutputStream;

    ByteArrayDataOutputStream(ByteArrayOutputStream byteArrayOutputStream) {

 *
 * @author Chris Nokleberg
 */
public class ByteStreamsTest extends IoTestCase {

  public void testCopyChannel() throws IOException {
    byte[] expected = newPreFilledByteArray(100);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    WritableByteChannel outChannel = Channels.newChannel(out);

    ReadableByteChannel inChannel = Channels.newChannel(new ByteArrayInputStream(expected));
    ByteStreams.copy(inChannel, outChannel);

        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;

 *
 * @author Chris Nokleberg
 */
public class ByteStreamsTest extends IoTestCase {

  public void testCopyChannel() throws IOException {
    byte[] expected = newPreFilledByteArray(100);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    WritableByteChannel outChannel = Channels.newChannel(out);

    ReadableByteChannel inChannel = Channels.newChannel(new ByteArrayInputStream(expected));
    ByteStreams.copy(inChannel, outChannel);

    assertThrows(IndexOutOfBoundsException.class, () -> hasher.putBytes(new byte[8], 0, -1));
  }

  private class TestHasher extends AbstractByteHasher {

    private final ByteArrayOutputStream out = new ByteArrayOutputStream();

    @Override
    protected void update(byte b) {
      out.write(b);
    }

    @Override
    protected void update(byte[] b, int off, int len) {

  public void testOpenBufferedStream() throws IOException {
    InputStream in = source.openBufferedStream();
    assertTrue(source.wasStreamOpened());
    assertFalse(source.wasStreamClosed());

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ByteStreams.copy(in, out);
    in.close();
    out.close();

    assertTrue(source.wasStreamClosed());
    assertArrayEquals(bytes, out.toByteArray());
  }

    assertEquals(object.getClass(), copy.getClass());
  }

  @J2ktIncompatible
  @GwtIncompatible // serialization
  private static Object reserialize(Object object) throws Exception {
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    new ObjectOutputStream(bytes).writeObject(object);
    return new ObjectInputStream(new ByteArrayInputStream(bytes.toByteArray())).readObject();
  }

    assertEquals(I18N + I18N + I18N, Files.toString(temp, Charsets.UTF_16LE));
  }

  public void testCopyToOutputStream() throws IOException {
    File i18nFile = getTestFile("i18n.txt");
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    Files.copy(i18nFile, out);
    assertEquals(I18N, out.toString("UTF-8"));
  }

  public void testCopyToAppendable() throws IOException {
    File i18nFile = getTestFile("i18n.txt");

    assertEquals("ALICE'S ADVENTURES IN WONDERLAND", result.get(0));
    assertEquals("THE END", result.get(result.size() - 1));
  }

  public void testCopyToOutputStream() throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    URL resource = getClass().getResource("testdata/i18n.txt");
    Resources.copy(resource, out);
    assertEquals(I18N, out.toString("UTF-8"));
  }