Add tests for subids handling

tests/subids/14_useradd_invalid_subuid_configuration3/useradd.test

@@ -0,0 +1,60 @@
+#!/bin/sh
+
+set -e
+
+cd $(dirname $0)
+
+. ../../common/config.sh
+. ../../common/log.sh
+
+log_start "$0" "useradd reports invalid subuid configuration"
+
+save_config
+
+# restore the files on exit
+trap 'log_status "$0" "FAILURE"; restore_config' 0
+
+change_config
+
+echo -n "Add user foo..."
+useradd foo 2>tmp/useradd.err && exit 1 || {
+	status=$?
+}
+echo "OK"
+
+echo -n "Check returned status ($status)..."
+test "$status" = "16"
+echo "OK"
+
+echo "useradd reported:"
+echo "======================================================================="
+cat tmp/useradd.err
+echo "======================================================================="
+echo -n "Check the usage message..."
+diff -au data/useradd.err tmp/useradd.err
+echo "error message OK."
+rm -f tmp/useradd.err
+
+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 config/etc/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 config/etc/gshadow /etc/gshadow 
+echo "OK"
+echo -n "Check the /etc/subgid file..."
+diff -au config/etc/subgid /etc/subgid
+echo "OK"
+echo -n "Check the /etc/subuid file..."
+diff -au config/etc/subuid /etc/subuid
+echo "OK"
+
+log_status "$0" "SUCCESS"
+restore_config
+trap '' 0
+