## Overriding dependencies during testing { #overriding-dependencies-during-testing }

There are some scenarios where you might want to override a dependency during testing.

You don't want the original dependency to run (nor any of the sub-dependencies it might have).

 * This class holds the server capabilities, configuration, and security
 * parameters received during SMB protocol negotiation.
 *
 * Stores server-specific data obtained during SMB1 protocol negotiation.
 */
public class ServerData {

    /**
     * Default constructor for ServerData.
     * Creates an empty server data container to be populated during SMB negotiation.
     */
    public ServerData() {
        // Default constructor

    /**
     * Closes the pool and all connections in it
     *
     * @return whether any transport was still in use
     *
     * @throws CIFSException if an error occurs during authentication
     *
     */
    boolean close() throws CIFSException;

    /**
     * Authenticate arbitrary credentials represented by the

     * @param filter additional resource name filter to apply
     * @param searchAttributes the file attributes to search for
     * @throws CIFSException if an error occurs during initialization
     */
    public DirFileEntryEnumIteratorBase(final SmbTreeHandleImpl th, final SmbResource parent, final String wildcard,

    /**
     * Close the file
     *
     * @throws SmbException if an I/O error occurs during close
     */
    @Override
    void close() throws SmbException;

    /**
     * Read a single byte from the current position
     *
     * @return read byte, -1 if EOF
     * @throws SmbException if an I/O error occurs during read
     */
    int read() throws SmbException;

    /**

        SamrDomainHandle handle = new SamrDomainHandle(mockDcerpcHandle, mockPolicyHandle, access, mockSid);

        IOException expectedException = new IOException("Network error during close");
        // Simulate IOException during close RPC call
        doThrow(expectedException).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrCloseHandle.class));

        // Act & Assert

     * @param domainHandle the domain handle containing this alias
     * @param access the desired access rights
     * @param rid the relative identifier of the alias
     * @throws IOException if an I/O error occurs during handle creation
     */
    public SamrAliasHandle(final DcerpcHandle handle, final SamrDomainHandle domainHandle, final int access, final int rid)
            throws IOException {
        this.handle = handle;

                    }
                }

                // Emergency cleanup of trees
                if (this.trees != null) {
                    try {
                        // Clear all tree references
                        for (SmbTreeImpl tree : this.trees) {
                            try {
                                // Force release trees during emergency cleanup

    public void test_hook_normalExecution() {
        // Create a mock FwAssistantDirector
        FwAssistantDirector assistantDirector = createMockAssistantDirector();

        // Should not throw any exception during normal execution
        curtainFinallyHook.hook(assistantDirector);

        // Verify that the method completes without errors
        assertTrue(true); // Method completed successfully
    }

     * @throws IOException if an I/O error occurs during transmission
     */
    protected abstract void doSendFragment(byte[] buf, int off, int length) throws IOException;

    /**
     * Receives a DCERPC fragment from the remote endpoint
     * @param buf the buffer to receive the fragment data
     * @return the number of bytes received
     * @throws IOException if an I/O error occurs during reception
     */