assertEquals("Decoded value should match original: " + value + " -> " + encoded + " -> " + decoded, value, decoded);
            }
        }
    }

    @Test
    public void test_encode_withLongValues() {
        String longUser = "user" + "x".repeat(1000);
        String longGroup = "group" + "y".repeat(1000);
        String longRole = "role" + "z".repeat(1000);