}
    }

    @Test
    void testConstructorWithShortKey() throws NoSuchAlgorithmException {
        // Test constructor with a key shorter than BLOCK_LENGTH (64 bytes)
        try (MockedStatic<Crypto> mockedCrypto = mockStatic(Crypto.class)) {
            mockedCrypto.when(Crypto::getMD5).thenReturn(mockMd5);
            HMACT64 hmac = new HMACT64(SHORT_TEST_KEY);

        HMACT64 hmac = new HMACT64(LONG_TEST_KEY);
        assertNotNull(hmac);
    }

    @Test
    void testConstructorWithShortKey() {
        // Test constructor with a key shorter than BLOCK_LENGTH (64 bytes)
        HMACT64 hmac = new HMACT64(SHORT_TEST_KEY);
        assertNotNull(hmac);
    }

    @Test
    void testEngineUpdateByte() {
        // Test engineUpdate(byte b)

        // Context handle (20 bytes)
        if (contextHandle != null) {
            buf.writeOctetArray(contextHandle, 0, Math.min(contextHandle.length, 20));
            // Pad with zeros if context handle is shorter than 20 bytes
            for (int i = contextHandle.length; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        } else {
            // Write 20 zero bytes for null context handle

            assertArrayEquals(Arrays.copyOfRange(longFileId, 0, 16), Arrays.copyOfRange(buffer, 16, 32));
        }

        @Test
        @DisplayName("Should handle file ID shorter than 16 bytes")
        void testShortFileId() {
            byte[] shortFileId = new byte[8];
            Arrays.fill(shortFileId, (byte) 0xAB);
            request.setFileId(shortFileId);

                // Failure
            }
        }
        throw new UnknownHostException(hostname);
    }

    /**
     * Perform DNS SRV lookup on successively shorter suffixes of name
     * and return successful suffix or throw an UnknownHostException.
    import javax.naming.*;
    import javax.naming.directory.*;

            assertThrows(NullPointerException.class, () -> req.size());
        }

        @Test
        @DisplayName("Should handle file ID shorter than 16 bytes")
        void testShortFileId() {
            byte[] shortFileId = new byte[8];
            Arrays.fill(shortFileId, (byte) 0xAB);
            request.setFileId(shortFileId);

            assertEquals(1024, SMBUtil.readInt4(buffer, 4));
            assertEquals(2048, SMBUtil.readInt4(buffer, 32));
        }

        @Test
        @DisplayName("Should handle file ID shorter than 16 bytes")
        void testShortFileId() {
            byte[] shortFileId = new byte[8];
            Arrays.fill(shortFileId, (byte) 0xAB);
            request.setFileId(shortFileId);

        writeLittleEndianInt(dos, 0); // unusedChars
        writeLittleEndianInt(dos, totalChars); // usedChars

        // Write the actual characters (as shorts in little-endian)
        for (char c : testString.toCharArray()) {
            writeLittleEndianShort(dos, (short) c);
        }

        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());

            long timeDiffLength = measureEqualsTime(auth1, auth2, TIMING_ITERATIONS);

            // Create same length passwords for comparison
            char[] password3 = "short".toCharArray();
            char[] password4 = "shore".toCharArray(); // Same length, different content

            NtlmPasswordAuthenticator auth3 = new NtlmPasswordAuthenticator("domain", "user", new String(password3));

            unicodeString.length = (short) 10;
            unicodeString.maximum_length = (short) 20;
            unicodeString.buffer = new short[] { 65, 66, 67 }; // A, B, C

            // Then: Values should be set correctly
            assertEquals((short) 10, unicodeString.length);
            assertEquals((short) 20, unicodeString.maximum_length);
            assertArrayEquals(new short[] { 65, 66, 67 }, unicodeString.buffer);