1 files changed, 42 insertions, 0 deletions
diff --git a/ext/standard/tests/class_object/trait_exists_error_001.phpt b/ext/standard/tests/class_object/trait_exists_error_001.phpt
new file mode 100644
index 0000000..b80f06e
--- /dev/null
+++ b/ext/standard/tests/class_object/trait_exists_error_001.phpt
@@ -0,0 +1,42 @@
+--TEST--
+Test trait_exists() function : error conditions (wrong number of arguments)
+--FILE--
+<?php
+/* Prototype  : proto bool trait_exists(string traitname [, bool autoload])
+ * Description: Checks if the trait exists 
+ * Source code: Zend/zend_builtin_functions.c
+ * Alias to functions: 
+ */
+
+/**
+ * Test wrong number of arguments
+ */
+
+echo "*** Testing trait_exists() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing trait_exists() function with Zero arguments --\n";
+var_dump( trait_exists() );
+
+//Test trait_exists with one more than the expected number of arguments
+echo "\n-- Testing trait_exists() function with more than expected no. of arguments --\n";
+$traitname = 'string_val';
+$autoload = true;
+$extra_arg = 10;
+var_dump( trait_exists($traitname, $autoload, $extra_arg) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing trait_exists() : error conditions ***
+
+-- Testing trait_exists() function with Zero arguments --
+
+Warning: trait_exists() expects at least 1 parameter, 0 given in %s on line 16
+NULL
+
+-- Testing trait_exists() function with more than expected no. of arguments --
+
+Warning: trait_exists() expects at most 2 parameters, 3 given in %s on line 23
+NULL
+Done