valid-function.js
335 Bytes
'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");
};