--- /dev/null
+'use strict';
+
+var iteratorSymbol = require('es6-symbol').iterator;
+
+module.exports = function (t, a) {
+ var x;
+ a.throws(function () { t(0); }, TypeError, "0");
+ a.throws(function () { t(false); }, TypeError, "false");
+ a.throws(function () { t(''); }, TypeError, "String");
+ a.throws(function () { t({}); }, TypeError, "Plain Object");
+ a.throws(function () { t(function () {}); }, TypeError, "Function");
+ a(t(x = new String('raz')), x, "String object"); //jslint: ignore
+
+ a(t(x = { length: 1 }), x, "Array like");
+ a.throws(function () { t(); }, TypeError, "Undefined");
+ a.throws(function () { t(null); }, TypeError, "null");
+ x = {};
+ x[iteratorSymbol] = function () {};
+ a(t(x), x, "Iterable");
+};