$wbinfo -n $DC_USERNAME@$REALM || \
failed=$(expr $failed + 1)
+testit "name-to-sid.realm-user" \
+ $wbinfo -n $REALM/$DC_USERNAME || \
+ failed=$(expr $failed + 1)
+
+# For the name-to-sid.realm-user query, ensure
+# that this does not change subsequent sid-to-name
+# queries.
+sid=$($wbinfo -n $REALM/$DC_USERNAME | sed -e 's/ .*//')
+out=$($wbinfo -s $sid | sed -e 's/ .//')
+# winbindd returns usernames in lowercase
+lcuser=$(echo $DC_USERNAME | tr A-Z a-z)
+testit "Verify DOMAIN/USER output" \
+ test "$out" = "$DOMAIN/$lcuser" || \
+ failed=$(expr $failed + 1)
+
# Two separator characters should fail
testit_expect_failure "name-to-sid.double-separator" \
$wbinfo -n $DOMAIN//$DC_USERNAME || \