// When
            SmbTransport result = transportPool.getSmbTransport(context, address, DEFAULT_PORT, false, true);

            // Then
            assertNotNull(result);
            assertEquals(transport, result);
            verify(transportPool).getSmbTransport(context, address, DEFAULT_PORT, false, true);
        }

    @Test
    @DisplayName("getDefaultPort returns SMB default port")
    void testGetDefaultPort() {
        // Arrange
        Handler handler = newHandler();
        // Act & Assert
        assertEquals(SmbConstants.DEFAULT_PORT, handler.getDefaultPort(), "Default port should match SmbConstants");
    }

    @Test
    @DisplayName("openConnection returns SmbFile using provided CIFSContext")

        // SmbConstants is an interface with static final fields
        // Verify constants maintain their values
        assertEquals(445, SmbConstants.DEFAULT_PORT);

        // Test that the constant values are as expected for protocol compliance
        assertTrue(SmbConstants.DEFAULT_PORT > 0);
        assertTrue(SmbConstants.DEFAULT_RESPONSE_TIMEOUT > 0);

    /**
     * Verify that the hard‑coded default values are present.
     */
    @Test
    @DisplayName("Default constant values match expectations")
    void defaultValues() {
        assertEquals(445, SmbConstants.DEFAULT_PORT);
        assertEquals(10, SmbConstants.DEFAULT_MAX_MPX_COUNT);
        assertEquals(30000, SmbConstants.DEFAULT_RESPONSE_TIMEOUT);
        assertEquals(35000, SmbConstants.DEFAULT_SO_TIMEOUT);

    /**
     * Default constructor for SMB1 URL handler.
     */
    public Handler() {
    }

    @Override
    protected int getDefaultPort() {
        return SmbConstants.DEFAULT_PORT;
    }

    @Override
    public URLConnection openConnection(final URL u) throws IOException {
        return new SmbFile(u);
    }

    @Override

    void testGetDefaultPort() {
        // Act
        int port = handler.getDefaultPort();

        // Assert
        assertEquals(445, port);
        assertEquals(SmbConstants.DEFAULT_PORT, port);
    }

    @Test
    @DisplayName("openConnection creates SmbFile for valid URL")
    void testOpenConnectionWithValidUrl() throws IOException {
        // Arrange - Create URL with handler

     */
    public Handler(final CIFSContext tc) {
        this.transportContext = tc;
    }

    @Override
    protected int getDefaultPort() {
        return SmbConstants.DEFAULT_PORT;
    }

    @Override
    public URLConnection openConnection(final URL u) throws IOException {
        if (log.isDebugEnabled()) {
            log.debug("Opening file " + u);
        }

            // Only set the alternate port to the port property if it was successful
            final int altPort = port == 0 || port == DEFAULT_PORT ? 139 : DEFAULT_PORT;
            negotiate(altPort, resp);
            port = altPort;
        }

        if (resp.dialectIndex > 10) {

package jcifs.smb1.smb1;

import java.net.InetAddress;
import java.util.LinkedList;
import java.util.TimeZone;

import jcifs.smb1.Config;

interface SmbConstants {

    /** Default SMB port number */
    int DEFAULT_PORT = 445;

    /** Default maximum multiplex count */
    int DEFAULT_MAX_MPX_COUNT = 10;
    /** Default response timeout in milliseconds */
    int DEFAULT_RESPONSE_TIMEOUT = 30000;

 * @author mbechler
 *
 *
 * <p>This interface is intended for internal use.</p>
 */
public interface SmbConstants {

    /**
     * Default SMB port number for direct TCP transport.
     */
    int DEFAULT_PORT = 445;

    /**
     * Default maximum number of outstanding SMB requests.
     */
    int DEFAULT_MAX_MPX_COUNT = 10;
    /**
     * Default timeout in milliseconds for SMB responses.
     */