}

    @Nested
    @DisplayName("Header Decoding Tests")
    class HeaderDecodingTests {

        @Test
        @DisplayName("decode_header should successfully parse valid header")
        void testDecodeHeaderSuccess() throws NdrException {
            // Mock NdrBuffer methods for successful decoding
            when(mockBuffer.dec_ndr_small()).thenReturn(5)
                    .thenReturn(0) // RPC version