}

    /**
     * Ensure encode throws NPE when passed a null buffer.
     */
    @Test
    @DisplayName("Encode with null buffer throws NullPointerException")
    public void testEncodeNullBuffer() throws NdrException {
        NdrHyper hyper = new NdrHyper(5L);
        assertThrows(NullPointerException.class, () -> hyper.encode(null));
    }

    /**

            verify(mockNdrBuffer).enc_ndr_referent(entry.name.buffer, 1);
        }

        @Test
        @DisplayName("Should encode entry with null buffer")
        void testEncodeNullBuffer() throws NdrException {
            // Given: SAM entry with null buffer
            samr.SamrSamEntry entry = new samr.SamrSamEntry();
            entry.idx = 1;
            entry.name = new rpc.unicode_string();

            verify(mockNdrBuffer).enc_ndr_referent(entry.name.buffer, 1);
        }

        @Test
        @DisplayName("Should encode entry with null buffer")
        void testEncodeNullBuffer() throws NdrException {
            // Given: SAM entry with null buffer
            samr.SamrSamEntry entry = new samr.SamrSamEntry();
            entry.idx = 1;
            entry.name = new rpc.unicode_string();