}
    }

    @BeforeEach
    void setUp() {
        transport = new TestableTransport();
    }

    @Nested
    @DisplayName("Static utility method tests")
    class StaticMethodTests {

        @Test
        @DisplayName("readn should read specified number of bytes")
        void shouldReadSpecifiedBytes() throws IOException {
            byte[] data = "Hello World Test".getBytes();

        when(mockData.getDomain()).thenReturn("DOMAIN");
        return (DfsReferralDataImpl) base.combine(mockData);
    }

    @Nested
    @DisplayName("Interface Method Contract Tests")
    class InterfaceMethodTests {

        @Test
        @DisplayName("Should fixup host with FQDN")
        void testFixupHost() {
            String fqdn = "server.example.com";

            // Test with mock

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")

        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")