/**
     * Context mismatch fault code
     */
    int DCERPC_FAULT_CONTEXT_MISMATCH = 0x1C00001A;
    /**
     * Operation range error fault code
     */
    int DCERPC_FAULT_OP_RNG_ERROR = 0x1C010002;
    /**
     * Unknown interface fault code
     */
    int DCERPC_FAULT_UNK_IF = 0x1C010003;
    /**
     * Protocol error fault code
     */
    int DCERPC_FAULT_PROTO_ERROR = 0x1c01000b;

        assertEquals(0x1C00001A, DcerpcError.DCERPC_FAULT_CONTEXT_MISMATCH);
    }

    @Test
    @DisplayName("Should verify DCERPC_FAULT_OP_RNG_ERROR constant value")
    void testDcerpcFaultOpRngError() {
        assertEquals(0x1C010002, DcerpcError.DCERPC_FAULT_OP_RNG_ERROR);
    }

    @Test
    @DisplayName("Should verify DCERPC_FAULT_UNK_IF constant value")
    void testDcerpcFaultUnkIf() {

    /**
     * Context mismatch fault code
     */
    int DCERPC_FAULT_CONTEXT_MISMATCH = 0x1C00001A;
    /**
     * Operation range error fault code
     */
    int DCERPC_FAULT_OP_RNG_ERROR = 0x1C010002;
    /**
     * Unknown interface fault code
     */
    int DCERPC_FAULT_UNK_IF = 0x1C010003;
    /**
     * Protocol error fault code
     */
    int DCERPC_FAULT_PROTO_ERROR = 0x1c01000b;

        }
    }

    @Test
    void testConstructor_FallbackToConnect2() throws IOException {
        // Test case: Constructor with DCERPC_FAULT_OP_RNG_ERROR, should fallback to MsrpcSamrConnect2
        String server = "testServer";
        int access = 123;

        // Simulate DCERPC_FAULT_OP_RNG_ERROR for MsrpcSamrConnect4
        doThrow(new DcerpcException("Operation range error") {
            @Override

        try {
            handle.sendrecv(rpc);
        } catch (final DcerpcException de) {
            if (de.getErrorCode() != DcerpcError.DCERPC_FAULT_OP_RNG_ERROR) {
                throw de;
            }
            final MsrpcSamrConnect2 rpc2 = new MsrpcSamrConnect2(server, access, this);
            handle.sendrecv(rpc2);
        }
        this.opened = true;

        try {
            handle.sendrecv(rpc);
        } catch (final DcerpcException de) {
            if (de.getErrorCode() != DcerpcError.DCERPC_FAULT_OP_RNG_ERROR) {
                throw de;
            }

            final MsrpcSamrConnect2 rpc2 = new MsrpcSamrConnect2(server, access, this);
            handle.sendrecv(rpc2);
        }
    }

    /**