import jcifs.internal.util.SMBUtil;
import jcifs.smb.SID;

/**
 * Test class for SecurityDescriptor
 */
class SecurityDescriptorTest {

    private SecurityDescriptor securityDescriptor;
    private byte[] testBuffer;

    @BeforeEach
    void setUp() {
        securityDescriptor = new SecurityDescriptor();
        testBuffer = new byte[1024];
    }

    @Test

        setErrorCode(response, 0);
        response.readDataWireFormat(buffer, 0, buffer.length);

        SecurityDescriptor sd = response.getSecurityDescriptor();
        assertNotNull(sd);

        // Verify it's the same instance on subsequent calls
        SecurityDescriptor sd2 = response.getSecurityDescriptor();
        assertSame(sd, sd2);
    }

    @Test

import jcifs.dcerpc.DcerpcConstants;
import jcifs.internal.dtyp.ACE;
import jcifs.internal.dtyp.SecurityDescriptor;

@ExtendWith(MockitoExtension.class)
class MsrpcShareGetInfoTest {

    @Mock
    private srvsvc.ShareInfo502 mockShareInfo502;

    @Mock
    private SecurityDescriptor mockSecurityDescriptor;

    @Mock
    private ACE mockAce1;

    @Mock
    private ACE mockAce2;

        SMBUtil.writeInt2(20, buffer, bufferIndex + 2);
        // Set buffer length (minimal SecurityDescriptor)
        SMBUtil.writeInt4(20, buffer, bufferIndex + 4);

        response = spy(response);
        when(response.getHeaderStart()).thenReturn(0);

        // Write minimal SecurityDescriptor header (20 bytes)
        buffer[20] = 1; // Revision
        buffer[21] = 0; // Sbz1