byte[] buffer = new byte[reconnect.size()];
        int encoded = reconnect.encode(buffer, 0);
        assertEquals(reconnect.size(), encoded);
    }

    @Test
    public void testDurableHandleReconnectInvalidFileId() {
        assertThrows(IllegalArgumentException.class, () -> {
            new DurableHandleReconnect(new byte[8]); // Wrong length
        });

        assertThrows(IllegalArgumentException.class, () -> {