assertEquals(10, offsetBuffer.start);
        assertEquals(10, offsetBuffer.index);
        assertEquals(0, offsetBuffer.length);
    }

    @Test
    void testDerive() {
        ndrBuffer.advance(50); // Advance the original buffer
        NdrBuffer derivedBuffer = ndrBuffer.derive(10);

        // Verify derived buffer properties
        assertSame(buffer, derivedBuffer.buf);