diff --git a/tests/phpunit/CRM/Utils/TypeTest.php b/tests/phpunit/CRM/Utils/TypeTest.php
index ad9ff03738fe..a9b1bb36bf41 100644
--- a/tests/phpunit/CRM/Utils/TypeTest.php
+++ b/tests/phpunit/CRM/Utils/TypeTest.php
@@ -74,6 +74,8 @@ public function validateDataProvider() {
       array('table.civicrm_column_name desc,other_column, another_column desc', 'MysqlOrderBy', 'table.civicrm_column_name desc,other_column, another_column desc'),
       array('table.`Home-street_address` asc, `table-alias`.`Home-street_address` desc,`table-alias`.column', 'MysqlOrderBy', 'table.`Home-street_address` asc, `table-alias`.`Home-street_address` desc,`table-alias`.column'),
       array('a string', 'String', 'a string'),
+      array('{"contact":{"contact_id":205}}', 'Json', '{"contact":{"contact_id":205}}'),
+      array('{"contact":{"contact_id":!n†rude®}}', 'Json', NULL),
     );
   }