--- /dev/null
+--TEST--
+xml_parser_get_option() - Test parameter not set
+--SKIPIF--
+<?php
+if (!extension_loaded('xml')) {
+ exit('Skip - XML extension not loaded');
+}
+?>
+--FILE--
+<?php
+
+$xmlParser = xml_parser_create();
+
+var_dump(xml_parser_get_option ($xmlParser, 42));
+
+?>
+--EXPECTF--
+Warning: xml_parser_get_option(): Unknown option in %s on line %d
+bool(false)
--- /dev/null
+--TEST--
+xml_parser_set_option() - Test invalid parameter
+--SKIPIF--
+<?php
+if (!extension_loaded('xml')) {
+ exit('Skip - XML extension not loaded');
+}
+?>
+--FILE--
+<?php
+
+$xmlParser = xml_parser_create();
+
+var_dump(xml_parser_set_option($xmlParser, 42, 1));
+
+?>
+--EXPECTF--
+Warning: xml_parser_set_option(): Unknown option in %s on line %d
+bool(false)