1 files changed, 36 insertions, 0 deletions
diff --git a/Zend/tests/function_exists_error.phpt b/Zend/tests/function_exists_error.phpt
new file mode 100644
index 0000000..cbc3908
--- /dev/null
+++ b/Zend/tests/function_exists_error.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Test function_exists() function : error conditions 
+--FILE--
+<?php
+/* 
+ * proto bool function_exists(string function_name)
+ * Function is implemented in Zend/zend_builtin_functions.c
+*/ 
+
+echo "*** Testing function_exists() : error conditions ***\n";
+
+$arg_0 = "ABC";
+$extra_arg = 1;
+
+echo "\nToo many arguments\n";
+var_dump(function_exists($arg_0, $extra_arg));
+
+echo "\nToo few arguments\n";
+var_dump(function_exists());
+
+?>
+===Done===
+--EXPECTF--
+*** Testing function_exists() : error conditions ***
+
+Too many arguments
+
+Warning: function_exists() expects exactly 1 parameter, 2 given in %s on line %d
+NULL
+
+Too few arguments
+
+Warning: function_exists() expects exactly 1 parameter, 0 given in %s on line %d
+NULL
+===Done===
+