// Arrange
        int access = 0x01;
        int errorCode = 0xC0000022; // Example error code (STATUS_ACCESS_DENIED)
        // Simulate RPC error
        doAnswer(invocation -> {
            MsrpcSamrOpenDomain rpc = invocation.getArgument(0);
            rpc.retval = errorCode; // Simulate error
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrOpenDomain.class));

        // Act & Assert

        int access = 123;

        // Mock the behavior of sendrecv for MsrpcLsarOpenPolicy2
        doAnswer(invocation -> {
            MsrpcLsarOpenPolicy2 rpc = invocation.getArgument(0);
            rpc.retval = 0; // Simulate success
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcLsarOpenPolicy2.class));

        // Act
        LsaPolicyHandle handle = new LsaPolicyHandle(mockDcerpcHandle, server, access);

        if (serverSocket == null) {
            throw new IOException("Service not started");
        }
        return serverSocket.getLocalPort();
    }

    /**
     * Simulate a witness registration
     *
     * @param shareName the share name
     * @param serverAddress the server address
     * @param flags the registration flags
     * @return the registration ID
     */

    @Test
    void testGetGrantedCredits() {
        // Simulate granted credits
        when(mockResponse.getGrantedCredits()).thenReturn(100);
        assertEquals(100, mockResponse.getGrantedCredits());

        // Verify the method was called
        verify(mockResponse, times(1)).getGrantedCredits();
    }

    @Test
    void testGetErrorCode() {
        // Simulate error code

        int access = 123;

        // Mock the behavior of sendrecv for MsrpcLsarOpenPolicy2
        doAnswer(invocation -> {
            MsrpcLsarOpenPolicy2 rpc = invocation.getArgument(0);
            rpc.retval = 0; // Simulate success
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcLsarOpenPolicy2.class));

        // Act
        LsaPolicyHandle handle = new LsaPolicyHandle(mockDcerpcHandle, server, access);

        assertFalse(result); // AbstractCIFSContext always returns false for close()
        assertTrue(context.isCloseCalled());
    }

    @Test
    void testRun_successfulClose() throws CIFSException {
        // Simulate the shutdown hook being run
        context.run();

        assertTrue(context.isCloseCalled()); // Verify close() was called
    }

    @Test
    void testRun_closeThrowsException() throws CIFSException {

            }
            // Simulate some encoding activity on the buffer
            dst.enc_ndr_long(123);
        }

        @Override
        public void decode(NdrBuffer src) throws NdrException {
            if (throwOnDecode) {
                throw new NdrException("Failed to decode");
            }
            // Simulate some decoding activity on the buffer
            src.dec_ndr_long();

        int rid = 100;
        int errorCode = 0xC0000022; // Example error code

        // Mock the behavior of sendrecv for MsrpcSamrOpenAlias to simulate failure
        doAnswer(invocation -> {
            MsrpcSamrOpenAlias rpc = invocation.getArgument(0);
            rpc.retval = errorCode; // Simulate failure
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrOpenAlias.class));

        // Act & Assert

        // Create a hook that simulates an exception scenario
        AtomicBoolean exceptionHandled = new AtomicBoolean(false);

        FessCurtainFinallyHook customHook = new FessCurtainFinallyHook() {
            @Override
            public void hook(final FwAssistantDirector assistantDirector) {
                try {
                    // Simulate a scenario where the method exists but invocation fails

import jcifs.internal.smb2.rdma.RdmaNegotiateRequest;
import jcifs.internal.smb2.rdma.RdmaNegotiateResponse;

/**
 * TCP-based RDMA connection implementation.
 *
 * Uses regular TCP sockets to simulate RDMA operations.
 * This provides a fallback when real RDMA hardware is not available.
 */
public class TcpRdmaConnection extends RdmaConnection {