#!/bin/bash

test_description=Emacs\'\ forgetfulness

. test-lib.sh

# RFC822 imposes a 998 character limit per line.
x=0123456789 # 10
x=$x$x$x$x$x$x$x$x$x$x # 100
x=$x$x$x$x$x$x$x$x$x # 900

# If setting this ``too high'' (TODO: yet to be determined), Emacs will crash
# with a segmentation fault.
n=20
for i in $(seq 1 $n); do
  # Roughly 2 KiB per message.  That is, we need two messages in order to
  # exceed the typical size of the pipe buffer (4 KiB on commodity systems).
  generate_message [subject]=$i-$x [from]=$i-$x@x.x
done
# With 20 messages à 2 KiB, we have about 10 full pipe buffers, which should be
# enough to trigger the erroneous behavior.

notmuch new > /dev/null

test_begin_subtest 'Search for all messages'
output=$(exec 2>&1; \
         diff -wu \
           <(notmuch search \* \
               | sed \
                   -e 's%^thread:[0-9a-f]*\ %%' \
                   -e 's%;%%'; \
             echo 'End of search results.'; \
             echo) \
           <(test_emacs 2>&1 \
               '(notmuch-search "*") (notmuch-test-wait) (message (buffer-string))'))
test_expect_equal "$output" ''

test_done