void testWriteSetupWireFormat() {
        byte[] dst = new byte[10];
        int result = netServerEnum2.writeSetupWireFormat(dst, 0);
        assertEquals(0, result);
    }

    /**
     * Test the writeParametersWireFormat method for NET_SERVER_ENUM2.
     */
    @Test
    void testWriteParametersWireFormat_Enum2() throws UnsupportedEncodingException {
        byte[] dst = new byte[100];

     */
    private byte[] generateTestData(int size) {
        byte[] data = new byte[size];

        // Create data with repeating patterns
        for (int i = 0; i < size; i++) {
            if (i % 100 < 50) {
                data[i] = (byte) 'A';
            } else if (i % 100 < 75) {
                data[i] = (byte) 'B';
            } else {

    }

    /**
     * Finds the null termination in a single-byte encoded string buffer.
     *
     * @param buffer the byte buffer to search
     * @param bufferIndex the starting position in the buffer
     * @param maxLen the maximum length to search
     * @return position of terminating null byte
     */
    public static int findTermination(final byte[] buffer, final int bufferIndex, final int maxLen) {
        int len = 0;

class HMACT64Test {

    private static final byte[] TEST_KEY = "testkey".getBytes();
    private static final byte[] LONG_TEST_KEY = new byte[80]; // Longer than 64 bytes
    private static final byte[] SHORT_TEST_KEY = "short".getBytes();
    private static final byte[] TEST_DATA = "testdata".getBytes();
    private static final byte[] EMPTY_DATA = new byte[0];

    static {
        // Initialize long key with predictable data

            request.setPadding((byte) 4);
            request.setReadFlags((byte) 0x02);

            // Update file ID
            byte[] newFileId = new byte[16];
            Arrays.fill(newFileId, (byte) 0xEF);
            request.setFileId(newFileId);

            // Write and verify
            byte[] buffer = new byte[256];

        long previousSessionId = 0x123456789ABCDEF0L;
        byte[] token = { (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66, (byte) 0x77, (byte) 0x88 };

        Smb2SessionSetupRequest req = new Smb2SessionSetupRequest(mockContext, securityMode, capabilities, previousSessionId, token);
        req.setSessionBinding(true);
        byte[] buffer = new byte[512];

        // When
        req.encode(buffer, 0);

        for (int i = 0; i < 24; i++) {
            assertEquals((byte) 0xAA, resumeKey[i], "Resume key byte " + i + " should be 0xAA");
        }
    }

    @Test
    @DisplayName("Test decode throws exception when length is too short")
    void testDecodeThrowsExceptionWhenLengthTooShort() {
        byte[] buffer = new byte[28];

        // Test with len = 23 (one byte too short)

        // Test initial encryption
        byte[] plaintext1 = "Before rotation".getBytes();
        byte[] encrypted1 = context.encryptMessage(plaintext1, 1L);
        byte[] decrypted1 = context.decryptMessage(encrypted1);
        assertArrayEquals(plaintext1, decrypted1);

        // When - Rotate keys
        byte[] newEncKey = new byte[16];
        byte[] newDecKey = new byte[16];
        new SecureRandom().nextBytes(newEncKey);

        byte[] expected = new byte[directoryName.length() + 2];
        expected[0] = 0x04; // Buffer format
        System.arraycopy(directoryName.getBytes(StandardCharsets.UTF_8), 0, expected, 1, directoryName.length());
        expected[directoryName.length() + 1] = 0x00; // Null terminator

        byte[] dst = new byte[100];
        int bytesWritten = smbCom.writeBytesWireFormat(dst, 0);

        macAddressField.setAccessible(true);
        byte[] macAddress = (byte[]) macAddressField.get(response);
        assertNotNull(macAddress);
        assertEquals(6, macAddress.length);
    }

    @Test
    void writeBodyWireFormat_shouldReturnZero() {
        byte[] dst = new byte[100];
        int result = response.writeBodyWireFormat(dst, 10);
        assertEquals(0, result);
    }