int expectedSize = 4 + 2 * path.length();
            assertEquals(expectedSize, buffer.size());
        }

        @Test
        @DisplayName("Should create buffer with empty path")
        void testConstructorWithEmptyPath() {
            String path = "";
            int maxReferralLevel = 1;

            buffer = new DfsReferralRequestBuffer(path, maxReferralLevel);

            assertNotNull(buffer);