hwclock: (tests) add simple test to show rtc time

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/tests/ts/hwclock/show b/tests/ts/hwclock/show
new file mode 100755 (executable)
index 0000000..228b462
--- /dev/null
+++ b/tests/ts/hwclock/show
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2023 Thomas Weißschuh <thomas@t-8ch.de>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License or
+# (at your option) any later version.
+#
+# This file 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.
+#
+
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="show"
+
+. "$TS_TOPDIR"/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_HWCLOCK"
+
+ts_skip_nonroot
+ts_skip_qemu_user
+
+"$TS_CMD_HWCLOCK" --show > /dev/null 2> "$TS_ERRLOG" || ts_die
+
+ts_finalize