void testDcerpcFaultUnkIf() {
        assertEquals(0x1C010003, DcerpcError.DCERPC_FAULT_UNK_IF);
    }

    @Test
    @DisplayName("Should verify DCERPC_FAULT_PROTO_ERROR constant value")
    void testDcerpcFaultProtoError() {
        assertEquals(0x1c01000b, DcerpcError.DCERPC_FAULT_PROTO_ERROR);
    }

    @Test
    @DisplayName("Should verify all fault code constants are unique")
    void testFaultCodesUniqueness() {

    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;

    /**
     * Array of all DCE/RPC fault codes
     */
    int[] DCERPC_FAULT_CODES =

    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;

    /**
     * Array of all DCE/RPC fault codes
     */
    int[] DCERPC_FAULT_CODES =

     */
    @Test
    void testGetMessageByDcerpcError_lastElement() {
        String message = DcerpcException.getMessageByDcerpcError(DcerpcError.DCERPC_FAULT_PROTO_ERROR);
        assertEquals("DCERPC_FAULT_PROTO_ERROR", message, "Should return correct message for last element.");
    }

    /**
     * Test getMessageByDcerpcError() with an unknown error code.
     */
    @Test