/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ add_task(async function() { Assert.throws( () => Cu.printStderr(), /Not enough arguments/, "Without argument printStderr throws" ); const types = ["", "foo", 42, true, null, {foo: "bar"}]; types.forEach(type => Cu.printStderr(type)); });