--- /dev/null
+'use strict';
+
+module.exports = function (t, a) {
+ var obj = { 1: 1, 2: 2, 3: 3 };
+ a.deep(t(obj, function (value, key, context) {
+ a(context, obj, "Context argument");
+ return (value + 1) + key;
+ }), { 1: '21', 2: '32', 3: '43' });
+};