--- /dev/null
+'use strict';
+
+module.exports = function (t, a) {
+ var f = function () {};
+ a(t(f), f, "Function");
+ f = new Function();
+ a(t(f), f, "Function");
+ a.throws(function () {
+ t({});
+ }, "Object");
+ a.throws(function () {
+ t(/re/);
+ }, "RegExp");
+ a.throws(function () {
+ t({ call: function () { return 20; } });
+ }, "Plain object");
+};