test: add test cases for issue #26839 in TEST-03-JOBS

test/testsuite-03.units/propagatestopto-and-pullin.target

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+[Unit]
+Requires=sleep-infinity-simple.service
+After=sleep-infinity-simple.service
+PropagatesStopTo=sleep-infinity-simple.service

test/testsuite-03.units/propagatestopto-only.target

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+[Unit]
+PropagatesStopTo=sleep-infinity-simple.service

test/testsuite-03.units/sleep-infinity-simple.service

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+[Unit]
+Description=Sleep infinitely
+
+[Service]
+Type=simple
+ExecStart=/bin/sleep infinity

test/units/testsuite-03.sh

@@ -3,6 +3,9 @@
 set -eux
 set -o pipefail
 
+# shellcheck source=test/units/util.sh
+. "$(dirname "$0")"/util.sh
+
 # Simple test for that daemon-reexec works in container.
 # See: https://github.com/systemd/systemd/pull/23883
 systemctl daemon-reexec
@@ -127,4 +130,19 @@ for i in {0..19}; do
     systemctl start "transaction-cycle$i.service"
 done
 
+# Test PropagatesStopTo= when restart (issue #26839)
+systemctl start propagatestopto-and-pullin.target
+systemctl --quiet is-active propagatestopto-and-pullin.target
+
+systemctl restart propagatestopto-and-pullin.target
+systemctl --quiet is-active propagatestopto-and-pullin.target
+systemctl --quiet is-active sleep-infinity-simple.service
+
+systemctl start propagatestopto-only.target
+systemctl --quiet is-active propagatestopto-only.target
+systemctl --quiet is-active sleep-infinity-simple.service
+
+systemctl restart propagatestopto-only.target
+assert_rc 3 systemctl --quiet is-active sleep-infinity-simple.service
+
 touch /testok