return result;
        } catch (final Exception e) {
            // Clear sensitive data on error
            if (e instanceof CIFSException) {
                throw (CIFSException) e;
            }
            throw new CIFSException("Failed to encrypt message", e);
        }
    }

    /**
     * Validate encryption parameters to prevent security issues
     *

     * @return the information
     * @throws CIFSException
     *             if the information cannot be cast to the specified type
     */
    @SuppressWarnings("unchecked")
    public <T extends Decodable> T getInfo(final Class<T> clazz) throws CIFSException {
        if (!clazz.isAssignableFrom(this.info.getClass())) {
            throw new CIFSException("Incompatible file information class");
        }

 */
package jcifs.smb;

import java.io.IOException;
import java.net.MalformedURLException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.CloseableIterator;
import jcifs.SmbConstants;
import jcifs.SmbResource;
import jcifs.internal.fscc.FileBasicInfo;
import jcifs.internal.smb1.com.SmbComSetInformation;

     */
    @Override
    public synchronized void close(final long lastWriteTime) throws CIFSException {
        closeInternal(lastWriteTime, true);
    }

    /**
     * @param lastWriteTime
     * @throws SmbException
     */
    void closeInternal(final long lastWriteTime, final boolean explicit) throws CIFSException {
        final SmbTreeHandleImpl t = this.tree;
        try {

            }

            this.fp = 0L;
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    /**
     * @return
     * @throws SmbException
     */
    synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {
        // ensure file is open
        if (this.handle == null || !this.handle.isValid()) {

        doThrow(thrown).when(trace).connect(loc);

        // Act & Assert: both UnknownHostException and IOException should become CIFSException (SmbException)
        CIFSException ex = assertThrows(CIFSException.class, () -> trace.connectWrapException(loc));
        assertTrue(ex.getMessage() != null && ex.getMessage().contains("Failed to connect to server"));
        assertSame(thrown, ex.getCause());

 */
package jcifs.smb;

import java.util.Arrays;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.internal.smb2.lease.DirectoryCacheScope;
import jcifs.internal.smb2.lease.DirectoryLeaseManager;
import jcifs.internal.smb2.lease.Smb2LeaseKey;
import jcifs.internal.smb2.lease.Smb2LeaseState;

/**

import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSException;
import jcifs.ResourceFilter;
import jcifs.SmbConstants;
import jcifs.SmbResource;

@ExtendWith(MockitoExtension.class)
class ShareEnumIteratorTest {

    @Mock
    ResourceFilter filter;

    void testInitSecContextInvalidTokenType(byte firstByte) throws Exception {
        SpnegoContext ctx = newContext();

        // Invalid first byte should be rejected by token parsing
        CIFSException ex = assertThrows(CIFSException.class, () -> ctx.initSecContext(new byte[] { firstByte }, 0, 1));
        assertEquals("Invalid token", ex.getMessage());

        // Ensure mechContext was not engaged due to early failure

            mockContext.renewCredentials("hint", new Exception());
        });
    }

    @Test
    @DisplayName("Should get SmbResource")
    void testGet() throws CIFSException {
        // Given
        String url = "smb://server/share/file";
        SmbResource mockResource = mock(SmbResource.class);
        when(mockContext.get(url)).thenReturn(mockResource);

        // When