1 files changed, 39 insertions, 0 deletions
diff --git a/tests/usertools/22_usermod-a_existing_supplementary_group/usermod.test b/tests/usertools/22_usermod-a_existing_supplementary_group/usermod.test
new file mode 100755
index 0000000..e83a3e0
--- /dev/null
+++ b/tests/usertools/22_usermod-a_existing_supplementary_group/usermod.test
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -e
+
+cd $(dirname $0)
+
+. ../../common/config.sh
+. ../../common/log.sh
+
+log_start "$0" "usermod does not fail when requested to add the user to a group it is already a member"
+
+save_config
+
+# restore the files on exit
+trap 'log_status "$0" "FAILURE"; restore_config' 0
+
+change_config
+
+echo -n "Change the user's list of supplementary groups (usermod -a -G bin,daemon,floppy foo)..."
+usermod -a -G bin,daemon,floppy foo
+echo "OK"
+
+echo -n "Check the passwd file..."
+../../common/compare_file.pl config/etc/passwd /etc/passwd
+echo "OK"
+echo -n "Check the group file..."
+../../common/compare_file.pl data/group /etc/group
+echo "OK"
+echo -n "Check the shadow file..."
+../../common/compare_file.pl config/etc/shadow /etc/shadow
+echo "OK"
+echo -n "Check the gshadow file..."
+../../common/compare_file.pl data/gshadow /etc/gshadow
+echo "OK"
+
+log_status "$0" "SUCCESS"
+restore_config
+trap '' 0
+