// Given
        long value = 0x123456789ABCDEF0L;
        byte[] buffer = new byte[8];

        // When - encode little endian
        Encdec.enc_uint64le(value, buffer, 0);
        long decoded = Encdec.dec_uint64le(buffer, 0);

        // Then
        assertEquals(value, decoded);
        assertEquals(0xF0, buffer[0] & 0xFF);
        assertEquals(0xDE, buffer[1] & 0xFF);
        assertEquals(0xBC, buffer[2] & 0xFF);