So siehts ganz gut aus !

node_modules/es5-ext/test/object/ensure-array.js

@@ -0,0 +1,55 @@
+"use strict";
+
+module.exports = function (t, a) {
+	var arr = [];
+	a(t(arr), arr, "Array");
+	a(t(""), "", "String");
+	var args = (function () {
+		return arguments;
+	}());
+	a(t(args), args, "Arguments");
+	var arrayLike = { length: 0 };
+	a(t(arrayLike), arrayLike, "Array like");
+	a.throws(
+		function () {
+			t(function () {});
+		},
+		TypeError,
+		"Function"
+	);
+	a.throws(
+		function () {
+			t({});
+		},
+		TypeError,
+		"Plain object"
+	);
+	a.throws(
+		function () {
+			t(/raz/);
+		},
+		TypeError,
+		"Regexp"
+	);
+	a.throws(
+		function () {
+			t();
+		},
+		TypeError,
+		"No argument"
+	);
+	a.throws(
+		function () {
+			t(null);
+		},
+		TypeError,
+		"Null"
+	);
+	a.throws(
+		function () {
+			t(undefined);
+		},
+		TypeError,
+		"Undefined"
+	);
+};