1 files changed, 39 insertions, 0 deletions
diff --git a/ext/standard/tests/array/key_error.phpt b/ext/standard/tests/array/key_error.phpt
new file mode 100644
index 0000000..1200f74
--- /dev/null
+++ b/ext/standard/tests/array/key_error.phpt
@@ -0,0 +1,39 @@
+--TEST--
+Test key() function : error conditions - Pass incorrect number of args
+--FILE--
+<?php
+/* Prototype  : mixed key(array $array_arg)
+ * Description: Return the key of the element currently pointed to by the internal array pointer
+ * Source code: ext/standard/array.c
+ */
+
+/*
+ * Pass incorrect number of arguments to key() to test behaviour
+ */
+
+echo "*** Testing key() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing key() function with Zero arguments --\n";
+var_dump( key() );
+
+//Test current with one more than the expected number of arguments
+echo "\n-- Testing key() function with more than expected no. of arguments --\n";
+$array_arg = array(1, 2);
+$extra_arg = 10;
+var_dump( key($array_arg, $extra_arg) );
+?>
+===DONE===
+--EXPECTF--
+*** Testing key() : error conditions ***
+
+-- Testing key() function with Zero arguments --
+
+Warning: key() expects exactly 1 parameter, 0 given in %s on line %d
+NULL
+
+-- Testing key() function with more than expected no. of arguments --
+
+Warning: key() expects exactly 1 parameter, 2 given in %s on line %d
+NULL
+===DONE===