Add regressions for OSC 133 reflow and history loss.

regress/output-history-loss.sh

@@ -0,0 +1,79 @@
+#!/bin/sh
+
+. ./input-common.inc
+
+# A multiline command evicts its prompt before producing output.
+command='\033]133;A\007p>\033]133;B\007echo\n'
+i=0
+while [ "$i" -lt 30 ]; do
+	command="${command}continued command\n"
+	i=$((i + 1))
+done
+OUTPUT=$(printf 'one\ntwo')
+
+for state in complete unfinished next-prompt; do
+	seq="${command}zz\033]133;C\007one\ntwo"
+	case "$state" in
+	complete|next-prompt)
+		seq="${seq}\033]133;D;0\007separator"
+		;;
+	esac
+	if [ "$state" = next-prompt ]; then
+		seq="${seq}\n\033]133;A\007p>\033]133;B\007"
+	fi
+	start_pane_hlimit lost 40 5 "$seq" 3
+	check_raw_matches lost 'START_OUTPUT.*osc133=0,0,2,0,0'
+	if [ "$state" != next-prompt ]; then
+		check_raw_no_matches lost 'START_PROMPT'
+	fi
+	if [ "$state" != unfinished ]; then
+		check_raw_matches lost 'END_OUTPUT.*osc133=0,0,0,3,0'
+	fi
+
+	for position in inside after; do
+		for keys in emacs vi; do
+			$TMUX set-option -w -t lost: mode-keys "$keys" ||
+			    exit 1
+			$TMUX copy-mode -t lost: || exit 1
+			if [ "$position" = inside ]; then
+				$TMUX send-keys -t lost: -X search-backward one ||
+				    exit 1
+			fi
+			$TMUX set-buffer sentinel || exit 1
+			$TMUX send-keys -t lost: -X copy-output || exit 1
+			$TMUX save-buffer "$TMP" || exit 1
+			printf '%s' "$OUTPUT" >"$EXP"
+			cmp "$TMP" "$EXP" ||
+			    fail "$state $position $keys output"
+
+			$TMUX send-keys -t lost: -X select-output || exit 1
+			present=$($TMUX display-message -p -t lost: \
+			    '#{selection_present}')
+			if [ "$present" != 1 ]; then
+				echo "FAIL: $state $position $keys no selection"
+				exit_status=1
+			fi
+			$TMUX set-buffer sentinel || exit 1
+			$TMUX send-keys -t lost: -X copy-selection || exit 1
+			$TMUX save-buffer "$TMP" || exit 1
+			cmp "$TMP" "$EXP" ||
+			    fail "$state $position $keys selection"
+			$TMUX send-keys -t lost: -X cancel || exit 1
+		done
+	done
+done
+
+# Retained command text does not belong to a later prompt's output.
+seq="${command}\033]133;A\007p>\033]133;B\007echo\n"
+seq="${seq}\033]133;C\007later\033]133;D;0\007"
+start_pane_hlimit later 40 5 "$seq" 3
+$TMUX copy-mode -t later: || exit 1
+$TMUX send-keys -t later: -X history-top || exit 1
+$TMUX set-buffer sentinel || exit 1
+$TMUX send-keys -t later: -X copy-output || exit 1
+[ "$($TMUX show-buffer)" = sentinel ] || exit 1
+$TMUX send-keys -t later: -X select-output || exit 1
+[ "$($TMUX display-message -p -t later: '#{selection_present}')" = 0 ] ||
+    exit 1
+
+exit $exit_status