byte[] buf = new byte[4];

                raf.readFully(buf);
                assertArrayEquals(new byte[] {
                    0x1, 0x2, 0x3, 0x4
                }, buf);
                assertEquals(4, raf.getFilePointer());

                raf.readFully(buf);
                assertArrayEquals(new byte[] {
                    0x5, 0x6, 0x7, 0x8

    public int available () throws IOException {
        return this.dis.available();
    }


    public void readFully ( byte[] b ) throws IOException {
        this.dis.readFully(b);
    }


    public void readFully ( byte[] b, int off, int len ) throws IOException {
        this.dis.readFully(b, off, len);
    }


    public char readChar () throws IOException {
        align(2);

    /* Setup input streams */
    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */
    byte[] b = new byte[2];
    in.readFully(b);
    assertEquals(-100, b[0]);
    assertEquals(100, b[1]);
    assertEquals(true, in.readBoolean());
    assertEquals(false, in.readBoolean());
    assertEquals(100, in.readByte());

    /* Setup input streams */
    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */
    byte[] b = new byte[2];
    in.readFully(b);
    assertEquals(-100, b[0]);
    assertEquals(100, b[1]);
    assertEquals(true, in.readBoolean());
    assertEquals(false, in.readBoolean());
    assertEquals(100, in.readByte());

 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public interface ByteArrayDataInput extends DataInput {
  @Override
  void readFully(byte b[]);

  @Override
  void readFully(byte b[], int off, int len);

  // not guaranteed to skip n bytes so result should NOT be ignored
  // use ByteStreams.skipFully or one of the read methods instead
  @Override

            len -= n;
            response.off += n;
        } while( len > 0 && n == r );

        return (int)(fp - start);
    }
    public final void readFully( byte b[] ) throws SmbException {
        readFully( b, 0, b.length );
    }
    public final void readFully( byte b[], int off, int len ) throws SmbException {
        int n = 0, count;

        do {    
            count = this.read( b, off + n, len - n );

    CharSequenceReader reader = new CharSequenceReader(string);
    assertTrue(reader.markSupported());

    assertEquals(string, readFully(reader));
    assertFullyRead(reader);

    // reset and read again
    reader.reset();
    assertEquals(string, readFully(reader));
    assertFullyRead(reader);

    // reset, skip, mark, then read the rest
    reader.reset();
    assertEquals(5, reader.skip(5));

  }

  public void testReadFully() throws IOException {
    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));
    byte[] b = new byte[data.length];
    in.readFully(b);
    assertEquals(Bytes.asList(data), Bytes.asList(b));
  }

  public void testReadUnsignedByte_eof() throws IOException {
    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(new byte[0]));

  }

  public void testReadFully() throws IOException {
    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));
    byte[] b = new byte[data.length];
    in.readFully(b);
    assertEquals(Bytes.asList(data), Bytes.asList(b));
  }

  public void testReadUnsignedByte_eof() throws IOException {
    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(new byte[0]));

    throw new UnsupportedOperationException("readLine is not supported");
  }

  @Override
  public void readFully(byte[] b) throws IOException {
    ByteStreams.readFully(this, b);
  }

  @Override
  public void readFully(byte[] b, int off, int len) throws IOException {
    ByteStreams.readFully(this, b, off, len);
  }

  @Override
  public int skipBytes(int n) throws IOException {
    return (int) in.skip(n);