assertFalse(sink.wasStreamClosed());

    out.write(new byte[] {1, 2, 3, 4});
    out.close();

    assertTrue(sink.wasStreamClosed());
    assertArrayEquals(new byte[] {1, 2, 3, 4}, sink.getBytes());
  }

  public void testWrite_bytes() throws IOException {
    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());

     */
    static Stream<Arguments> decodeProvider() {
        return Stream.of(Arguments.of("", new byte[0]), Arguments.of("QQ==", new byte[] { (byte) 0x41 }), // "A"
                Arguments.of("QUI=", new byte[] { (byte) 0x41, (byte) 0x42 }), // "AB"
                Arguments.of("TWFu", "Man".getBytes()), Arguments.of("AAAA", new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00 }), // all zeros

        byte[] tokenArray = new byte[] { 1, 2, 3 };
        byte[] mic = new byte[] { 9, 9, 9 };
        NegTokenTarg original = new NegTokenTarg(NegTokenTarg.ACCEPT_COMPLETED, mech, tokenArray, mic);

        // Act – serialise and parse back
        byte[] bytes = original.toByteArray();
        NegTokenTarg roundTrip = new NegTokenTarg(bytes);

  @Override
  byte readByte();

  @CanIgnoreReturnValue // to skip a byte
  @Override
  int readUnsignedByte();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  short readShort();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  int readUnsignedShort();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  char readChar();

  @CanIgnoreReturnValue // to skip some bytes

        assertEquals((byte) (listCount & 0xFF), dst[2]);
        assertEquals((byte) ((listCount >> 8) & 0xFF), dst[3]);

        // informationLevel (2 bytes, LE) -> 0x0104
        assertEquals((byte) 0x04, dst[4]);
        assertEquals((byte) 0x01, dst[5]);

        // resumeKey (4 bytes, LE)
        assertEquals((byte) 0xEF, dst[6]);
        assertEquals((byte) 0xCD, dst[7]);
        assertEquals((byte) 0xAB, dst[8]);

            byte[] testContext =
                    new byte[] { (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66, (byte) 0x77, (byte) 0x88 };
            message.setContext(testContext);

            // When
            byte[] bytes = message.toByteArray();

            // Then
            assertNotNull(bytes);
            // Verify challenge

    @Test
    @DisplayName("Should encode and decode UUIDs")
    void testUUIDOperations() {
        // Given
        byte[] uuid = { 0x12, 0x34, 0x56, 0x78, (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0xF0, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66,
                0x77, (byte) 0x88 };
        byte[] buffer = new byte[16];

        // When
        System.arraycopy(uuid, 0, buffer, 0, 16);

        // Then

            // Given
            byte[] zeroKey = new byte[SOURCE_KEY_SIZE];
            byte[] maxKey = new byte[SOURCE_KEY_SIZE];
            Arrays.fill(maxKey, (byte) 0xFF);
            byte[] patternKey = new byte[SOURCE_KEY_SIZE];
            for (int i = 0; i < SOURCE_KEY_SIZE; i++) {
                patternKey[i] = (byte) i;
            }

            // When & Then

        byte testInfoType = (byte) 0x01;

        request.setInfoType(testInfoType);

        // Verify info type was set
        Field infoTypeField;
        try {
            infoTypeField = Smb2QueryInfoRequest.class.getDeclaredField("infoType");
            infoTypeField.setAccessible(true);
            byte actualInfoType = (byte) infoTypeField.get(request);

    }

    private byte[] createMockFileInternalInfoBuffer() {
        // Create a buffer that represents FileInternalInfo data
        // FileInternalInfo contains an 8-byte index number
        byte[] buffer = new byte[8];

        for (int i = 0; i < 8; i++) {
            buffer[i] = (byte) (0xFF - i);
        }

        return buffer;
    }

    private byte[] createMockBuffer(byte infoLevel) {