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N=2048
# XXX with COMPRESS=DEFLATE dovecot-imapd 2.3.4 hangs when the command
# line exceeds 'imap_max_line_length' (or 8192, whichever is smaller)
# bytes, instead of returning a tagged BAD response.
# https://dovecot.org/pipermail/dovecot/2019-November/117522.html
# set UIDNEXT to 10^9 so all uids are 10 chars long, otherwise we'd need
# to add many more messages to obtain large sets
doveadm -u "local" mailbox update --no-userdb-lookup --min-next-uid 1000000000 "INBOX"
doveadm -u "remote" mailbox update --no-userdb-lookup --min-next-uid 1000000000 "INBOX"
for ((i = 0; i < N; i++)); do
u="$(shuf -n1 -e "local" "remote")"
sample_message | deliver -u "$u"
done
interimap_init
check_mailbox_status "INBOX"
# mark every other message as \Seen on the local server
for ((i = 0; i < N; i+=2)); do
doveadm -u "local" flags add --no-userdb-lookup "\\Seen" mailbox "INBOX" $((N-i))
done
# send the changes to the remote; this results into an UID STORE set
# representation of size 11*N/2-1, which exceeds $imap_max_line_length
interimap
check_mailbox_status "INBOX"
# now expunge every other message on the remote server; this results
# into large UID STORE and UID EXPUNGE set representation
for ((i = 0; i < N; i+=2)); do
doveadm -u "local" expunge --no-userdb-lookup mailbox "INBOX" $((N-i))
# add some more messages
u="$(shuf -n1 -e "local" "remote")"
sample_message | deliver -u "$u"
done
interimap || error
check_mailbox_status "INBOX"
# vim: set filetype=bash :
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