// When
        String stringRep = version.toString();

        // Then
        assertNotNull(stringRep);
        assertFalse(stringRep.isEmpty());
    }

    @Test
    @DisplayName("Should handle version comparison")
    void testVersionComparison() {
        // Test equality
        assertEquals(DialectVersion.SMB311, DialectVersion.SMB311);
        assertNotEquals(DialectVersion.SMB1, DialectVersion.SMB311);

import jcifs.internal.smb2.create.CreateContextRequest;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Durable Handle V2 Request Create Context (DH2Q)
 *
 * MS-SMB2 Section 2.2.13.2.4
 */
public class DurableHandleV2Request implements CreateContextRequest {

    /**
     * Context name for durable handle V2 request
     */
    public static final String CONTEXT_NAME = "DH2Q";

        // ensure file is open
        if (this.handle == null || !this.handle.isValid()) {
            // one extra acquire to keep this open till the stream is released
            this.handle =
                    this.file.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, this.options).acquire();
            return this.handle;
        }
        return this.handle.acquire();
    }

    /**

    @Test
    @DisplayName("Should handle null domain and workstation")
    void testNullDomainAndWorkstation() {
        // When
        Type1Message type1 = new Type1Message(mockContext, 0, null, null);

        // Then
        assertNull(type1.getSuppliedDomain());
        assertNull(type1.getSuppliedWorkstation());
    }

    @Test
    @DisplayName("Should handle case sensitivity in domain and workstation")

        try {
            // Create RPC handle to witness service
            this.handle = DcerpcHandle.getHandle(
                "ncacn_ip_tcp:" + serverAddress.getHostAddress() + "[135]",
                WITNESS_INTERFACE_UUID,
                WITNESS_INTERFACE_VERSION,
                context
            );
            
            // Bind to witness interface
            handle.bind();
            

            assertEquals(transport, result);
            verify(transportPool).getSmbTransport(context, TEST_HOST, DEFAULT_PORT, false, true);
        }

        @Test
        @DisplayName("Should handle UnknownHostException")
        void testGetSmbTransportUnknownHost() throws UnknownHostException, IOException {
            // Given

		auth = NoAuthMiddleware
	}

	metricsRouter.Handle(prometheusMetricsPathLegacy, auth(metricsHandler()))
	metricsRouter.Handle(prometheusMetricsV2ClusterPath, auth(metricsServerHandler()))
	metricsRouter.Handle(prometheusMetricsV2BucketPath, auth(metricsBucketHandler()))
	metricsRouter.Handle(prometheusMetricsV2NodePath, auth(metricsNodeHandler()))
	metricsRouter.Handle(prometheusMetricsV2ResourcePath, auth(metricsResourceHandler()))

        }

        @Test
        @DisplayName("Should handle null root cause")
        void testConstructorWithNullRootCause() {
            TransportException exception = new TransportException((Throwable) null);

            assertNotNull(exception);
            assertNull(exception.getRootCause());
        }

        @Test
        @DisplayName("Should handle null message with root cause")

        @NullAndEmptySource
        @DisplayName("Should handle null and empty FQDN in fixupHost")
        void testFixupHostWithNullAndEmpty(String fqdn) {
            // Test with mock
            doNothing().when(mockReferralData).fixupHost(fqdn);
            assertDoesNotThrow(() -> mockReferralData.fixupHost(fqdn));

            // Test with concrete implementation - fixupHost doesn't handle null fqdn
            if (fqdn == null) {

        // When
        response.prepare(mockNext);

        // Then
        verify(mockNext, times(0)).setTreeId(any(Integer.class));
    }

    @DisplayName("Should handle various share flag combinations")
    @ParameterizedTest
    @MethodSource("provideFlagCombinations")
    void testShareFlagCombinations(int flags, boolean expectedDfs) throws SMBProtocolDecodingException {
        // Given