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Check for buffer write error.

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This commit is contained in:
Nicholas Marriott
2026-08-28 08:56:12 +01:00
parent 267746603a
commit 52b452948f
1 changed files with 22 additions and 1 deletions
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23
regress/buffers.sh
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@@ -28,7 +28,7 @@ $TMUX kill-server 2>/dev/null
TMP=$(mktemp) TMP=$(mktemp)
TMP2=$(mktemp) TMP2=$(mktemp)
trap 'rm -f "$TMP" "$TMP2"; $TMUX kill-server 2>/dev/null' 0 1 15 trap 'rm -f "$TMP" "$TMP2" "$TMP".*; $TMUX kill-server 2>/dev/null' 0 1 15
# check_ok $cmd... # check_ok $cmd...
# #
@@ -270,6 +270,27 @@ if [ $? -eq 0 ]; then
exit 1 exit 1
fi fi
# A write error after a successful open must be reported to the server.
dd if=/dev/zero of="$TMP.big" bs=100000 count=1 2>/dev/null
check_ok load-buffer -b write-error "$TMP.big"
mkfifo "$TMP.fifo" || exit 1
dd if="$TMP.fifo" of="$TMP.got" bs=1 count=8 2>/dev/null &
reader=$!
exec 3>"$TMP.fifo"
out=$($TMUX save-buffer -b write-error "$TMP.fifo" 3>&- 2>&1)
status=$?
exec 3>&-
wait "$reader"
if [ $status -eq 0 ]; then
echo "save-buffer after write error succeeded."
exit 1
fi
if [ "$(wc -c <"$TMP.got")" -ne 8 ]; then
echo "save-buffer write error test wrote wrong amount."
exit 1
fi
check_ok delete-buffer -b write-error
# save-buffer - writes to stdout and load-buffer - reads from stdin. # save-buffer - writes to stdout and load-buffer - reads from stdin.
out=$($TMUX save-buffer -b sb -) out=$($TMUX save-buffer -b sb -)
if [ "$out" != "data" ]; then if [ "$out" != "data" ]; then