1 files changed, 42 insertions, 0 deletions
diff --git a/ext/date/tests/DateTime_modify_error.phpt b/ext/date/tests/DateTime_modify_error.phpt
new file mode 100644
index 0000000..bc4f242
--- /dev/null
+++ b/ext/date/tests/DateTime_modify_error.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test DateTime::modify() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : public DateTime DateTime::modify  ( string $modify  )
+ * Description: Alter the timestamp of a DateTime object by incrementing or decrementing in a format accepted by strtotime(). 
+ * Source code: ext/date/php_date.c
+ * Alias to functions: public date_modify()
+ */
+
+//Set the default time zone 
+date_default_timezone_set("Europe/London");
+
+echo "*** Testing DateTime::modify() : error conditions ***\n";
+
+// Create a date object
+$object = new DateTime("2009-01-30 19:34:10");
+
+echo "\n-- Testing DateTime::modify() function with less than expected no. of arguments --\n";
+var_dump( $object->modify() );
+
+echo "\n-- Testing DateTime::modify() function with more than expected no. of arguments --\n";
+$modify = "+1 day";
+$extra_arg = 99;
+var_dump( $object->modify($modify, $extra_arg) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing DateTime::modify() : error conditions ***
+
+-- Testing DateTime::modify() function with less than expected no. of arguments --
+
+Warning: DateTime::modify() expects exactly 1 parameter, 0 given in %s on line %d
+bool(false)
+
+-- Testing DateTime::modify() function with more than expected no. of arguments --
+
+Warning: DateTime::modify() expects exactly 1 parameter, 2 given in %s on line %d
+bool(false)
+===DONE===
+