1 files changed, 39 insertions, 0 deletions
diff --git a/examples/tools/test-mode.sh b/examples/tools/test-mode.sh
new file mode 100755
index 0000000..e273f88
--- /dev/null
+++ b/examples/tools/test-mode.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+# desktop-assistant tool check: mode.sh against a scratch runtime dir.
+# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 as published
+# by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# test-mode.sh: the real modes are never touched, XDG_RUNTIME_DIR is a
+# throwaway directory. Prints "ok" or one FAIL line per broken case.
+
+set -u
+here=$(dirname "$0")
+XDG_RUNTIME_DIR=$(mktemp -d)
+export XDG_RUNTIME_DIR
+trap 'rm -rf "$XDG_RUNTIME_DIR"' EXIT
+fail=0
+check() { [ "$2" = "$3" ] || { echo "FAIL $1: got '$2', want '$3'"; fail=1; }; }
+
+check "read missing" "$("$here/mode.sh" dnd "")" "dnd: off"
+check "set on" "$("$here/mode.sh" dnd 1)" "dnd: on"
+check "file written" "$(cat "$XDG_RUNTIME_DIR/status.dnd")" "1"
+check "set off" "$("$here/mode.sh" dnd 0)" "dnd: off"
+"$here/mode.sh" dnd yes >/dev/null 2>&1; check "bad value exit" "$?" "1"
+"$here/mode.sh" bogus 1 >/dev/null 2>&1; check "bad mode exit" "$?" "1"
+echo 1 > "$XDG_RUNTIME_DIR/status.gaming"
+check "gaming hold" "$("$here/mode.sh" presentation 0)" \
+    "presentation: on (held on by a running game; manual setting off)"
+[ $fail = 0 ] && echo "ok"
+exit $fail