--- /dev/null
+'use strict';
+
+module.exports = function (t, a) {
+ a.throws(function () { t(undefined); }, TypeError, "Undefined");
+ a.throws(function () { t(null); }, TypeError, "Null");
+ a(t(2), 2, "Number");
+ a.throws(function () { t(-2); }, TypeError, "Negative");
+ a.throws(function () { t(2.34); }, TypeError, "Float");
+ a(t('23'), 23, "Numeric string");
+ a.throws(function () { t(NaN); }, TypeError, "NaN");
+ a.throws(function () { t(Infinity); }, TypeError, "Infinity");
+};