}

    @Test
    @DisplayName("Test default constructor creates empty SecurityDescriptor")
    void testDefaultConstructor() {
        SecurityDescriptor sd = new SecurityDescriptor();
        assertEquals(0, sd.getType());
        assertNull(sd.getAces());
        assertNull(sd.getOwnerUserSid());
        assertNull(sd.getOwnerGroupSid());
    }

    @Test

    }

    @Test
    @DisplayName("Close delegates to underlying stream")
    void closeDelegatesToUnderlyingStream(@Mock InputStream mockIn) throws IOException {
        SocketInputStream sis = new SocketInputStream(mockIn);
        sis.close();
        verify(mockIn).close();
    }

    @Test
    @DisplayName("Read array delegates to read with offset and length")

        when(mockTree.getTreeId()).thenReturn(1L);

        when(mockFile.getType()).thenReturn(SmbConstants.TYPE_FILESYSTEM);
    }

    @Nested
    @DisplayName("Happy path")
    class HappyPath {

        @Test
        @DisplayName("readDirect over SMB2 returns bytes read and uses current offset")
        void readDirectSmb2Happy() throws Exception {
            SmbFileInputStream in = newStream();

import java.util.Date;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

import jcifs.BaseTest;

/**
 * Test class for Encdec utility functionality
 */
@DisplayName("Encdec Utility Tests")
class EncdecTest extends BaseTest {

    @Test
    @DisplayName("Should encode and decode 16-bit integers")

    }

    @Test
    @DisplayName("Test unsupported hash algorithm")
    public void testUnsupportedHashAlgorithm() {
        byte[] salt = preauthService.generatePreauthSalt();

        assertThrows(CIFSException.class, () -> {
            preauthService.initializeSession("test", salt, 0xFF); // Unsupported algorithm
        });
    }

    @Test
    @DisplayName("Test update on non-existent session")

    }

    @Test
    @DisplayName("getSession returns underlying session from tree connection")
    void getSessionReturnsUnderlying() {
        // Verifies getSession() exposes the session provided by the connection
        assertSame(session, handle.getSession());
        verify(treeConnection).getSession();
    }

    @Test
    @DisplayName("ensureDFSResolved forwards to tree connection with locator")

     */
    @Test
    @DisplayName("Root cause propagation")
    void testRootCausePropagation() {
        Throwable root = mock(Throwable.class);
        SmbException ex = new SmbException(0, root);
        assertSame(root, ex.getRootCause());
    }

    /**
     * Verify that the string-ctor sets status to {@code NT_STATUS_UNSUCCESSFUL}.
     */
    @Test

        // Assert
        assertNotNull(resp, "Response instance should be created");
    }

    @Nested
    @DisplayName("writeBytesWireFormat")
    class WriteBytesWireFormat {

        @ParameterizedTest
        @ValueSource(ints = { -10, -1, 0, 1, 42 })
        @DisplayName("Returns 0 regardless of dst and index")
        void returnsZero_forVariousIndexes(int index) {
            // Arrange

import static org.mockito.Mockito.mock;

import java.lang.reflect.Field;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import jcifs.dcerpc.DcerpcConstants;
import jcifs.dcerpc.DcerpcMessage;

@DisplayName("MsrpcSamrConnect2 Tests")
public class MsrpcSamrConnect2Test {

    private SamrPolicyHandle mockPolicyHandle;
    private String testServer;

    }

    @Test
    @DisplayName("Test constructor with mock configuration")
    void testConstructorWithMockConfig() {
        netShareEnum = new NetShareEnum(mockConfig);

        assertNotNull(netShareEnum);
        assertEquals("\\PIPE\\LANMAN", getFieldValue(netShareEnum, "name"));
        verify(mockConfig).getTransactionBufferSize();
    }

    @Test
    @DisplayName("Test DESCR constant value")