*
     * @param props the properties to use for initialization
     * @throws CIFSException if the singleton context is already initialized or there is an error during initialization
     */
    public static synchronized final void init(final Properties props) throws CIFSException {
        if (INSTANCE != null) {
            throw new CIFSException("Singleton context is already initialized");
        }

                }
            }
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    SmbFileOutputStream(final SmbFile file, final SmbTreeHandleImpl th, final SmbFileHandleImpl handle, final int openFlags,
            final int access, final int sharing) throws CIFSException {
        this.file = file;
        this.handle = handle;

    void testGetInputOutputAndClosed() throws CIFSException {
        // After closing the handle, further calls throw
        target.close();
        CIFSException e1 = assertThrows(SmbException.class, target::getInput);
        assertTrue(e1.getMessage().contains("Already closed"));
        CIFSException e2 = assertThrows(SmbException.class, target::getOutput);

     *
     * @param other the other resource locator to compare with
     * @return whether the paths share a common root
     * @throws CIFSException if an error occurs during comparison
     */
    boolean overlaps(SmbResourceLocator other) throws CIFSException;

    /**
     * Internal: for testing only
     *
     * @param dr the DFS referral data to process
     * @param reqPath the requested path to resolve

     * @return subject associated with the credentials
     */
    Subject getSubject();

    /**
     * Refresh the credentials.
     * @throws CIFSException if refresh fails
     */
    void refresh() throws CIFSException;

import java.util.Properties;

import org.junit.jupiter.api.Test;

import jcifs.CIFSException;

/**
 * Unit tests for Multi-Channel configuration properties
 */
class MultiChannelConfigurationTest {

    @Test
    void testDefaultMultiChannelSettings() throws CIFSException {
        PropertyConfiguration config = new PropertyConfiguration(new Properties());

     * @param name the resource name to test
     * @return whether the given filename should be included
     * @throws CIFSException if an error occurs while accessing the resource
     */
    boolean accept(SmbResource parent, String name) throws CIFSException;

        byte[] flagData = new byte[4];
        SMBUtil.writeInt4(0x12345678, flagData, 0);
        byte[] avPairData = createAvPairData(AvPair.MsvAvFlags, flagData);

        CIFSException exception = assertThrows(CIFSException.class, () -> {
            AvPairs.decode(avPairData);
        });

        assertEquals("Missing AvEOL", exception.getMessage(), "Should throw exception with correct message");
    }

        assertThrows(CIFSException.class, () -> {
            compressionService.compress(testData, CompressionService.COMPRESSION_LZNT1);
        });
    }

    @Test
    @DisplayName("Test unsupported algorithm decompression")
    public void testUnsupportedAlgorithmDecompression() {
        assertThrows(CIFSException.class, () -> {

import java.util.Properties;

import org.junit.jupiter.api.Test;

import jcifs.CIFSException;
import jcifs.config.PropertyConfiguration;

/**
 * Test RDMA configuration properties
 */
public class RdmaConfigurationTest {

    @Test
    public void testDefaultRdmaConfiguration() throws CIFSException {
        Properties props = new Properties();