--- /dev/null
+'use strict';
+
+module.exports = function (t, a) {
+ var d = new Date();
+ a(t(d), d, "Date");
+ a.throws(function () {
+ t({});
+ }, "Object");
+ a.throws(function () {
+ t({ valueOf: function () { return 20; } });
+ }, "Number object");
+};