Added tests for items when data contains more or less types than the

schema

What happens if you specify items as an array of types, but you don't
include a value for every type? Right now we have no tests for that. We
also don't have a test for when there are more values than defined item
types.

Author: iainbeeston

tests/draft4/items.json

@@ -40,7 +40,17 @@
                 "description": "wrong types",
                 "data": [ "foo", 1 ],
                 "valid": false
-            }
+            },
+            {
+                "description": "incomplete array of items",
+                "data": [ 1 ],
+                "valid": true
+            },
+            {
+                "description": "array with additional items",
+                "data": [ 1, "foo", true ],
+                "valid": true
+            },
         ]
     }
 ]