}

        @Test
        @DisplayName("Test error code property")
        void testErrorCodeProperty() {
            testBlock.setErrorCode(0x12345678);
            assertEquals(0x12345678, testBlock.getErrorCode());
        }

        @Test
        @DisplayName("Test path property")
        void testPathProperty() {
            testBlock.setPath("\\new\\path");

    /**
     * Verifies constructor initializes protocol fields and limits correctly.
     */
    @Test
    void testConstructorInitializesFields() {
        // Given
        int sid = 0x2222;
        int resumeKey = 0x12345678;
        String filename = "dir\\pattern*";

        // When
        Trans2FindNext2 next = new Trans2FindNext2(sid, resumeKey, filename);

        // Then

        dnsDomainInfo.dns_forest.buffer = new short[] { 'f', 'o', 'r', 'e', 's', 't' };

        dnsDomainInfo.domain_guid = new rpc.uuid_t();
        dnsDomainInfo.domain_guid.time_low = 0x12345678;
        dnsDomainInfo.domain_guid.time_mid = 0x1234;
        dnsDomainInfo.domain_guid.time_hi_and_version = 0x5678;
        dnsDomainInfo.domain_guid.clock_seq_hi_and_reserved = 0x12;

    }

    @Test
    @DisplayName("Test writeBytesWireFormat control code encoding")
    void testWriteBytesWireFormatControlCode() {
        setupMockConfig();
        int testControlCode = 0x12345678;
        Smb2IoctlRequest request = new Smb2IoctlRequest(mockConfig, testControlCode, TEST_FILE_ID);
        byte[] buffer = new byte[1024];

        request.writeBytesWireFormat(buffer, 0);

    }

    @Test
    @DisplayName("Test parameter wire format structure")
    void testParameterWireFormatStructure() {
        querySecurityDesc = new NtTransQuerySecurityDesc(mockConfig, 0xABCD, 0x12345678);
        byte[] dst = new byte[100];

        int bytesWritten = querySecurityDesc.writeParametersWireFormat(dst, 10);

        // Verify structure:
        // Offset 0-1: FID (2 bytes)

    }

    @Test
    @DisplayName("Test setFileIndex method")
    void testSetFileIndex() {
        request = new Smb2QueryDirectoryRequest(mockConfig);
        int fileIndex = 0x12345678;

        request.setFileIndex(fileIndex);

        // Verify by writing to buffer and checking the fileIndex position
        byte[] buffer = new byte[1024];

import jcifs.internal.util.SMBUtil;

/**
 * Test class for ValidateNegotiateInfoRequest
 */
class ValidateNegotiateInfoRequestTest {

    private static final int DEFAULT_CAPABILITIES = 0x12345678;
    private static final int DEFAULT_SECURITY_MODE = 0x0003;
    private byte[] defaultClientGuid;
    private int[] defaultDialects;

    @BeforeEach
    void setUp() {

        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
    }

    @Test
    void testWriteInt4() {
        byte[] dst = new byte[4];
        NameServicePacket.writeInt4(0x12345678, dst, 0);
        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
        assertEquals((byte) 0x56, dst[2]);
        assertEquals((byte) 0x78, dst[3]);
    }

    @Test

    }

    @Test
    @DisplayName("writeInt4 should correctly write 32-bit integer")
    void testWriteInt4() {
        byte[] dst = new byte[8];
        SessionServicePacket.writeInt4(0x12345678, dst, 0);

        assertEquals((byte) 0x12, dst[0]);
        assertEquals((byte) 0x34, dst[1]);
        assertEquals((byte) 0x56, dst[2]);
        assertEquals((byte) 0x78, dst[3]);
    }

        void testCompleteEncodingStructure() {
            // Given
            long sourceOffset = 0x1234567890ABCDEFL;
            long targetOffset = 0xFEDCBA0987654321L;
            int length = 0x12345678;
            SrvCopychunk chunk = new SrvCopychunk(sourceOffset, targetOffset, length);
            byte[] buffer = new byte[EXPECTED_SIZE];

            // When
            int bytesWritten = chunk.encode(buffer, 0);