handlersField.setAccessible(true);
        @SuppressWarnings("unchecked")
        Map<String, URLStreamHandler> handlers = (Map<String, URLStreamHandler>) handlersField.get(null);

        // Create mock HTTP handler
        URLStreamHandler httpHandler = new URLStreamHandler() {
            @Override
            protected URLConnection openConnection(URL u) throws IOException {

        // Test getUrlHandler() method
        // First call should create a new Handler
        URLStreamHandler handler1 = cifsContextWrapper.getUrlHandler();
        assertNotNull(handler1);
        assertTrue(handler1 instanceof Handler);

        // Second call should return the same instance
        URLStreamHandler handler2 = cifsContextWrapper.getUrlHandler();
        assertEquals(handler1, handler2);
    }

    @Mock
    private Configuration config;
    @Mock
    private Credentials creds;
    @Mock
    private NameServiceClient nsc;

    // Minimal URLStreamHandler to allow creating smb:// URLs in tests
    private static final URLStreamHandler SMB_HANDLER = new URLStreamHandler() {
        @Override
        protected URLConnection openConnection(URL u) {
            return null; // not used
        }
    };

    @BeforeEach

import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.lang.reflect.Field;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLStreamHandler;
import java.net.URLStreamHandlerFactory;
import java.util.ArrayList;
import java.util.List;

import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.net.URLStreamHandler;

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

import jcifs.BaseTest;
import jcifs.BufferCache;

        }
    }

    /**
     * Test helper class for mocking URL.openConnection() behavior
     */
    static class TestURLStreamHandler extends java.net.URLStreamHandler {
        private final List<HttpURLConnection> connections = new ArrayList<>();
        private int currentIndex = 0;

        void addConnection(HttpURLConnection conn) {
            connections.add(conn);