tests: (chrt) simple PID:inode address format test

Signed-off-by: Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>

diff --git a/tests/ts/chrt/pidino b/tests/ts/chrt/pidino
new file mode 100755 (executable)
index 0000000..0f5bcc3
--- /dev/null
+++ b/tests/ts/chrt/pidino
@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+# 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.
+#
+# Copyright (C) 2026 Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>
+
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="pid-inode-address-format"
+
+. "$TS_TOPDIR/functions.sh"
+ts_init "$*"
+
+# The pidfs was only introduced in kernel version 6.9,
+# which means we cannot get a valid pidfd from earlier versions,
+# so we can confidently anticipate the test failure.
+if ts_kernel_ver_lt 6 9; then
+       ts_skip "Linux version 6.9 or later required"
+fi
+
+ts_check_test_command "$TS_CMD_CHRT"
+ts_check_test_command "$TS_CMD_GETINO"
+
+
+if ! $TS_CMD_CHRT --pid "$("$TS_CMD_GETINO" -p $$)" >/dev/null 2>>"$TS_ERRLOG"; then
+        ts_failed "failed to address process with PID:inode"
+fi
+
+ts_finalize