Ticket #28163: 28163.patch

tests/phpunit/tests/user.php

@@ -568 +568 @@
         }
 
         /**
+         * @ticket 28163
+         */
+        function test_email_exists_umlauts() {
+                $id = wp_insert_user( array(
+                        'user_login' => 'umlautuser',
+                        'user_pass'  => 'password',
+                        'user_email' => 'ümlautüser@ümlautdomain.com',
+                ) );
+                $this->assertEquals( $id, email_exists( 'mlautser@mlautdomain.com' ) );
+        }
+
+        /**
          * @ticket 30647
          */
         function test_user_update_email_error() {