public void testWrap() {
    assertThat(Primitives.wrap(int.class)).isSameInstanceAs(Integer.class);
    assertThat(Primitives.wrap(Integer.class)).isSameInstanceAs(Integer.class);
    assertThat(Primitives.wrap(String.class)).isSameInstanceAs(String.class);
  }

  public void testUnwrap() {
    assertThat(Primitives.unwrap(Integer.class)).isSameInstanceAs(int.class);
    assertThat(Primitives.unwrap(int.class)).isSameInstanceAs(int.class);

            Assert.assertEquals("b@r", na.getPassword());
        }

        try ( SmbFile f = new SmbFile(new URL("smb://foo:b%40r@127.0.0.1/")) ) {
            Assert.assertEquals("foo:b%40r", f.getLocator().getURL().getUserInfo());
            NtlmPasswordAuthenticator na = f.getContext().getCredentials().unwrap(NtlmPasswordAuthenticator.class);

  public void testWrap() {
    assertThat(Primitives.wrap(int.class)).isSameInstanceAs(Integer.class);
    assertThat(Primitives.wrap(Integer.class)).isSameInstanceAs(Integer.class);
    assertThat(Primitives.wrap(String.class)).isSameInstanceAs(String.class);
  }

  public void testUnwrap() {
    assertThat(Primitives.unwrap(Integer.class)).isSameInstanceAs(int.class);
    assertThat(Primitives.unwrap(int.class)).isSameInstanceAs(int.class);

   * returns {@code type} itself. Idempotent.
   *
   * <pre>
   *     unwrap(Integer.class) == int.class
   *     unwrap(int.class) == int.class
   *     unwrap(String.class) == String.class
   * </pre>
   */
  public static <T> Class<T> unwrap(Class<T> type) {
    checkNotNull(type);

    // cast is safe: long.class and Long.class are both of type Class<Long>

                    SmbTransportInternal trans = this.exclusiveTransport;
                    try ( SmbSessionInternal smbSession = trans.getSmbSession(this.ctx, host, targetDomain).unwrap(SmbSessionInternal.class);
                          SmbTreeImpl uct = smbSession.getSmbTree(share, null).unwrap(SmbTreeImpl.class);

                try ( SmbTreeHandleInternal th = (SmbTreeHandleInternal) f.getTreeHandle();
                      SmbSessionInternal session = th.getSession().unwrap(SmbSessionInternal.class);
                      SmbTransportInternal trans = session.getTransport().unwrap(SmbTransportInternal.class) ) {
                    t = trans;
                }
                f.close();

                Thread.sleep(2 * soTimeout);

                .unwrap(SmbTransportInternal.class);
              SmbSessionInternal smbSession = smbTransport.getSmbSession(tf, dc.getHostName(), null).unwrap(SmbSessionInternal.class);
              SmbTreeInternal tree = smbSession.getSmbTree(tf.getConfig().getLogonShare(), null).unwrap(SmbTreeInternal.class) ) {
            tree.connectLogon(tf);
        }
    }

                    .unwrap(SmbTransportInternal.class);
                  SmbSession sess = trans.unwrap(SmbTransportInternal.class).getSmbSession(c, getTestServer(), null);
                  SmbTreeInternal tree = sess.unwrap(SmbSessionInternal.class).getSmbTree(getTestShare(), null).unwrap(SmbTreeInternal.class) ) {

                if ( trans.isSMB2() ) {

                .unwrap(SmbTransportInternal.class);
              SmbSession sess = trans.unwrap(SmbTransportInternal.class).getSmbSession(c, getTestServer(), null);
              SmbTreeInternal tree = sess.unwrap(SmbSessionInternal.class).getSmbTree(getTestShare(), null).unwrap(SmbTreeInternal.class) ) {

            if ( trans.isSMB2() ) {

            buf.reset();
            buf.setIndex(8);
            buf.setLength(buf.dec_ndr_short());

            if (securityProvider != null)
                securityProvider.unwrap(buf);

            buf.setIndex(0);

            msg.decode_header(buf);

            off = 24;
            if (msg.ptype == 2 && msg.isFlagSet(DCERPC_LAST_FRAG) == false)
                off = msg.length;