checkResult(zeroForNull, iterableNull1, "0-1");
    checkResult(zeroForNull, iterable1Null, "1-0");
    checkResult(zeroForNull, iterable1Null2, "1-0-2");
    checkResult(zeroForNull, iterableFourNulls, "0-0-0-0");
  }

  private static void checkNoOutput(Joiner joiner, Iterable<Integer> set) {
    assertEquals("", joiner.join(set));
    assertEquals("", joiner.join(set.iterator()));

    }

    /**
     * LSA close handle message.
     */
    public static class LsarClose extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x00;
        }

        /** Return value from the RPC call. */
        public int retval;
        /** Policy handle to be closed. */
        public rpc.policy_handle handle;

        /**

    testRotate(new int[] {1, 2, 3, 4, 5}, 4, new int[] {2, 3, 4, 5, 1});
    testRotate(new int[] {1, 2, 3, 4, 5}, 6, new int[] {5, 1, 2, 3, 4});
  }

  public void testRotateIndexed() {
    testRotate(new int[] {}, 0, 0, 0, new int[] {});

    testRotate(new int[] {1}, 0, 0, 1, new int[] {1});
    testRotate(new int[] {1}, 1, 0, 1, new int[] {1});
    testRotate(new int[] {1}, 1, 1, 1, new int[] {1});

    @Override
    public final boolean readBoolean() throws SmbException {
        if (read(this.tmp, 0, 1) < 0) {
            throw new SmbEndOfFileException();
        }
        return this.tmp[0] != (byte) 0x00;
    }

    @Override
    public final byte readByte() throws SmbException {
        if (read(this.tmp, 0, 1) < 0) {
            throw new SmbEndOfFileException();
        }
        return this.tmp[0];

    @DisplayName("Command Constants Tests")
    class CommandConstantsTests {

        @Test
        @DisplayName("Should have correct command constants")
        void testCommandConstants() {
            assertEquals(0x00, ServerMessageBlock2.SMB2_NEGOTIATE);
            assertEquals(0x01, ServerMessageBlock2.SMB2_SESSION_SETUP);
            assertEquals(0x02, ServerMessageBlock2.SMB2_LOGOFF);

0604          ; disallowed                             # 6.1  ARABIC SIGN SAMVAT
0605          ; disallowed                             # 7.0  ARABIC NUMBER MARK ABOVE
0606..060A    ; valid                  ;      ; NV8    # 5.1  ARABIC-INDIC CUBE ROOT..ARABIC-INDIC PER TEN THOUSAND SIGN
060B          ; valid                  ;      ; NV8    # 4.1  AFGHANI SIGN

                // NTLM2 Session Response

                final byte[] clientChallenge = new byte[24];
                RANDOM.nextBytes(clientChallenge);
                java.util.Arrays.fill(clientChallenge, 8, 24, (byte) 0x00);

                // NTLMv1 w/ NTLM2 session sec and key exch all been verified with a debug build of smbclient

                final byte[] responseKeyNT = NtlmPasswordAuthentication.nTOWFv1(password);

        assertNull(serverData.encryptionKey);
        assertNull(serverData.guid);
    }

    /**
     * Test setting and getting byte field (sflags)
     */
    @ParameterizedTest
    @ValueSource(bytes = { 0x00, 0x01, 0x7F, (byte) 0x80, (byte) 0xFF })
    @DisplayName("Test sflags field with various byte values")
    public void testSflagsField(byte value) {
        // When
        serverData.sflags = value;

        // Then

    // we rule out characters that would cause problems in host headers.
    if (c <= '\u001f' || c >= '\u007f') {
      return true
    }
    // Check for the characters mentioned in the WHATWG Host parsing spec:
    // U+0000, U+0009, U+000A, U+000D, U+0020, "#", "%", "/", ":", "?", "@", "[", "\", and "]"
    // (excluding the characters covered above).
    if (" #%/:?@[\\]".indexOf(c) != -1) {
      return true
    }
  }
  return false
}

   */
  public abstract long asLong();

  /**
   * If this hashcode has enough bits, returns {@code asLong()}, otherwise returns a {@code long}
   * value with {@code asBytes()} as the least-significant bytes and {@code 0x00} as the remaining
   * most-significant bytes.
   *
   * @since 14.0 (since 11.0 as {@code Hashing.padToLong(HashCode)})
   */
  public abstract long padToLong();

  /**