Image regress tests.

regress/image-splitwindow-resize-noflash.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# Sizing a new floating pane must not retransmit images in other panes.
+# Wait for the initial creation redraw before checking subsequent drag steps.
+
+. ./image-noflash-common.inc
+
+$TMUX new-session -d -s inner -x 60 -y 20 "printf '$SIXEL_HEADER'; exec sh" ||
+	exit 1
+$TMUX set -g mouse on || fail "set mouse failed"
+sleep 0.3
+
+image_check_support $TMUX
+$TMUX set -as terminal-features ',*:sixel' || exit 1
+
+start_capture 60 20
+assert_image_reached
+
+# Ctrl-drag within the pane, well clear of the image, to create and begin
+# sizing a new floating pane. This first press+motion pair both creates the
+# pane (one legitimate redraw) and makes the initial resize call.
+seq=$(printf '\033[<16;30;10M')
+$TMUX2 send-keys -t "$OUTER" -l "$seq" 2>/dev/null
+sleep 0.2
+seq=$(printf '\033[<48;35;12M')
+$TMUX2 send-keys -t "$OUTER" -l "$seq" 2>/dev/null
+sleep 0.3
+
+n=$($TMUX list-panes | wc -l)
+[ "$n" -eq 2 ] || fail "sanity: floating pane was not created (found $n panes)"
+: >$TMP
+
+# Continue the drag - only ongoing resize-motion events from here, which is
+# what the fix scopes.
+seq=$(printf '\033[<48;38;13M')
+$TMUX2 send-keys -t "$OUTER" -l "$seq" 2>/dev/null
+sleep 0.15
+seq=$(printf '\033[<48;40;15M')
+$TMUX2 send-keys -t "$OUTER" -l "$seq" 2>/dev/null
+sleep 0.15
+seq=$(printf '\033[<16;40;15m')
+$TMUX2 send-keys -t "$OUTER" -l "$seq" 2>/dev/null
+sleep 1
+
+assert_no_retransmit "while sizing a new floating pane"
+
+exit 0