mirror of
https://github.com/tmux/tmux.git
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151 lines
3.6 KiB
Bash
Executable File
151 lines
3.6 KiB
Bash
Executable File
#!/bin/sh
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# A floating pane that scrolls behind a larger floating pane must not disturb
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# the larger pane, with or without left/right margin support in the terminal.
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# The larger pane spans the smaller one vertically and overlaps it only at its
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# left, so with margins the terminal would otherwise scroll the cells of the
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# larger pane (including its scrollbar) along with the smaller pane.
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PATH=/bin:/usr/bin
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TERM=screen
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LC_ALL=C.UTF-8
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export PATH TERM LC_ALL
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[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
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DIR=$(mktemp -d) || exit 1
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INNER_NAME=testA$
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OUTER_NAME=testB$
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INNER="$TEST_TMUX -L$INNER_NAME -f/dev/null"
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OUTER="$TEST_TMUX -L$OUTER_NAME -f/dev/null"
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EMITTER=$DIR/emitter.pl
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FILLER=$DIR/filler.pl
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TRIGGER=$DIR/trigger
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CAPTURE=$DIR/capture
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fail()
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{
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echo "$*" >&2
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[ -s "$CAPTURE" ] && cat "$CAPTURE" >&2
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exit 1
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}
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cleanup()
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{
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$OUTER kill-server 2>/dev/null
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$INNER kill-server 2>/dev/null
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rm -rf "$DIR"
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}
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trap cleanup 0 1 15
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wait_outer_has()
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{
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marker=$1
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i=0
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while [ "$i" -lt 50 ]; do
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$OUTER capture-pane -p -t outer:0.0 >"$CAPTURE" 2>/dev/null || true
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grep -q "$marker" "$CAPTURE" && return 0
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sleep 0.1
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i=$((i + 1))
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done
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fail "outer client did not show $marker"
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}
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wait_inner_has()
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{
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marker=$1
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i=0
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while [ "$i" -lt 100 ]; do
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$INNER capture-pane -p -t "$2" 2>/dev/null |
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grep -q "$marker" && return 0
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sleep 0.1
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i=$((i + 1))
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done
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fail "inner pane $2 did not contain $marker"
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}
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# Scrolling pane: wait for the trigger, then scroll it well past its height.
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cat >"$EMITTER" <<'PERL'
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use strict;
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use warnings;
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$| = 1;
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while (!-e $ENV{TRIGGER}) {
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select undef, undef, undef, 0.01;
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}
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for (1 .. 30) {
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print 'd' x 20, "\r\n";
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select undef, undef, undef, 0.02;
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}
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print "SCROLL-DONE\r\n";
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sleep 100;
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PERL
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# Larger pane: numbered rows so any shift or blanking is visible.
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cat >"$FILLER" <<'PERL'
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use strict;
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use warnings;
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$| = 1;
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for my $row (1 .. 18) {
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printf "\e[%d;1Hrow%02d %s", $row, $row, 'F' x 40;
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}
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sleep 100;
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PERL
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for margins in off on; do
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if [ "$margins" = on ]; then
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INNER_NAME=testC$
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OUTER_NAME=testD$
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INNER="$TEST_TMUX -L$INNER_NAME -f/dev/null"
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OUTER="$TEST_TMUX -L$OUTER_NAME -f/dev/null"
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fi
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rm -f "$TRIGGER"
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$INNER new-session -d -s inner -x 80 -y 24 'sleep 100' || exit 1
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$INNER set -g status off || exit 1
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$INNER set -g window-size manual || exit 1
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$INNER set -g pane-scrollbars on || exit 1
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if [ "$margins" = on ]; then
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$INNER set -as terminal-features ',screen-256color:margins' ||
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exit 1
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fi
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# The small pane is created first so the large one is above it.
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SMALL=$($INNER new-pane -d -PF '#{pane_id}' -x 30 -y 10 -X 40 -Y 6 \
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"TRIGGER='$TRIGGER' perl '$EMITTER'") || fail "new-pane failed"
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$INNER new-pane -d -x 50 -y 20 -X 2 -Y 2 "perl '$FILLER'" ||
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fail "new-pane failed"
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$OUTER new-session -d -s outer -x 80 -y 24 'sleep 100' || exit 1
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$OUTER set -g status off || exit 1
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$OUTER set -g window-size manual || exit 1
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$OUTER set -g default-terminal screen-256color || exit 1
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$OUTER respawn-pane -k -t outer:0.0 \
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"$TEST_TMUX -L$INNER_NAME -f/dev/null attach -t inner" ||
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exit 1
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wait_outer_has row18
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sleep 0.5
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$OUTER capture-pane -p -t outer:0.0 >"$DIR/before"
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: >"$TRIGGER"
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wait_inner_has SCROLL-DONE "$SMALL"
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sleep 0.5
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$OUTER capture-pane -p -t outer:0.0 >"$CAPTURE"
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# Columns 1-52 hold the whole large pane, its border and scrollbar.
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cut -c1-52 "$DIR/before" >"$DIR/before.cut"
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cut -c1-52 "$CAPTURE" >"$DIR/after.cut"
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if ! cmp -s "$DIR/before.cut" "$DIR/after.cut"; then
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echo "large pane changed (margins $margins):" >&2
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diff "$DIR/before.cut" "$DIR/after.cut" >&2
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exit 1
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fi
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$OUTER kill-server 2>/dev/null
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$INNER kill-server 2>/dev/null
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done
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exit 0
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