@Test
    @DisplayName("handleDFSReferral handles null referral and empty path")
    void handleDfsReferralNullAndEmpty() {
        when(locator.handleDFSReferral(null, "")).thenReturn("smb://server/share/");
        assertEquals("smb://server/share/", locator.handleDFSReferral(null, ""));
        verify(locator).handleDFSReferral(null, "");
        verifyNoMoreInteractions(locator);
    }

                    for (int i = 0; i < opsPerThread; i++) {
                        String share = "share" + (threadId % 3); // Use 3 different shares

                        // Get or create tree
                        SmbTreeImpl tree = session.getSmbTree(share, null);
                        assertNotNull(tree, "Tree should not be null");

                        // Verify we can acquire the tree

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.dcerpc.msrpc;

import jcifs.smb1.smb1.FileEntry;
import jcifs.smb1.smb1.SmbShareInfo;

/**
 * MS-RPC share enumeration operation.
 *
 * This class implements the Server Service (SRVSVC) ShareEnumAll operation
 * for enumerating network shares on a remote server.
 */
public class MsrpcShareEnum extends srvsvc.ShareEnumAll {

     * this file is open. This constant may be logically OR'd with other share
     * access flags.
     */
    int FILE_SHARE_READ = 0x01;
    /**
     * When specified as the <code>shareAccess</code> constructor parameter,
     * other SMB clients will be permitted to write to the target file while
     * this file is open. This constant may be logically OR'd with other share
     * access flags.
     */
    int FILE_SHARE_WRITE = 0x02;

    void testToString() {
        // Given
        exception = new SmbOperationException(SmbOperationException.ErrorCode.ACCESS_DENIED, "Cannot access share");
        exception.withContext("share", "\\\\server\\share");
        exception.withContext("user", "john");

        // When
        String str = exception.toString();

        // Then
        assertNotNull(str);

        @CsvSource({ "'smb://user:password@server/share', 'smb://user:******@server/share'",
                "'smb://domain\\user:secret@host/path', 'smb://domain\\user:******@host/path'",
                "'smb2://admin:admin123@192.168.1.1/folder', 'smb2://admin:******@192.168.1.1/folder'",
                "'smbs://test:p@******@****.***/share', 'smbs://test:******@example.com/share'" })

        return this.sessionKey;
    }

    @Override
    public SmbTreeImpl getSmbTree(String share, String service) {
        if (share == null) {
            share = "IPC$";
        }

        synchronized (this.trees) {
            for (SmbTreeImpl t : this.trees) {
                if (t.matches(share, service)) {
                    return t.acquire();
                }
            }

                        .withCopyFileToContainer(MountableFile.forHostPath(tempDir.resolve("shared")), "/share/shared")
                        .withCommand("-u", USERNAME + ";" + PASSWORD, "-s", "public;/share/public;yes;no;yes;all;;all;all", "-s",
                                "shared;/share/shared;no;no;no;all;" + USERNAME + ";all;all", "-g", "log level = 1", "-g",

        when(mockDir.getPath()).thenReturn("/share/folder/");

        // Implementation uses dir.getPath() to check if file should be in that path
        SmbFilenameFilter filter = (dir, name) -> {
            if (dir == null)
                return false;
            String path = dir.getPath();
            // Accept files in /share/folder/ that are text files

        lenient().when(parent.getLocator()).thenReturn(locator);
        lenient().when(locator.getUNCPath()).thenReturn("\\\\SERVER\\Share\\dir\\"); // ends with \\

        // Create URL with registered handler
        URL smbUrl = new URL("smb://server/share/dir/");
        lenient().when(locator.getURL()).thenReturn(smbUrl);
    }

    // Helper: reflectively set private/protected field on an object