buffer.decode(testBuffer, 0, testBuffer.length);
        }

        @Test
        @DisplayName("Should return correct pathConsumed value")
        void testGetPathConsumed() {
            assertEquals(50, buffer.getPathConsumed()); // 100 / 2
        }

        @Test
        @DisplayName("Should return correct numReferrals value")
        void testGetNumReferrals() {

            assertTrue(concreteExpiration >= 0);
        }

        @Test
        @DisplayName("Should get path consumed")
        void testGetPathConsumed() {
            int pathConsumed = 20;

            // Test with mock
            when(mockReferralData.getPathConsumed()).thenReturn(pathConsumed);

        void testGetExpiration() {
            assertEquals(0, referralData.getExpiration());
        }

        @Test
        @DisplayName("Should get path consumed")
        void testGetPathConsumed() {
            assertEquals(0, referralData.getPathConsumed());
        }

        @Test
        @DisplayName("Should get flags")
        void testGetFlags() {