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();

    }

    @Test
    @DisplayName("Constructor with null pipe name should handle gracefully")
    void testConstructorWithNullPipeName() {
        // Act
        transWaitNamedPipe = new TransWaitNamedPipe(mockConfig, null);

        // Assert
        assertNotNull(transWaitNamedPipe);
        assertNull(transWaitNamedPipe.name);
    }

    @Test

    }

    @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")

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;

        // 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.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;

    }

    @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")

        response = new NtTransQuerySecurityDescResponse(mockConfig);
    }

    @Test
    @DisplayName("Test constructor creates instance with null security descriptor")
    void testConstructor() {
        assertNotNull(response);
        assertNull(response.getSecurityDescriptor());
    }

    @Test
    @DisplayName("Test writeSetupWireFormat returns 0")
    void testWriteSetupWireFormat() {

    }

    @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")

class SmbComLogoffAndXTest {

    @Test
    @DisplayName("constructor accepts null andx")
    void constructorWithNullAndx() {
        SmbComLogoffAndX msg = new SmbComLogoffAndX(null);
        assertNotNull(msg, "Message must not be null after construction");
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 5, -1, 10 })
    @DisplayName("writeParameterWordsWireFormat always returns 0")