Dactyloidae/js/xpconnect/tests/unit/test_bug1244222.js

27 lines
883 B
JavaScript

/* 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/. */
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
function run_test() {
registerAppManifest(do_get_file('../components/js/xpctest.manifest'));
// Generate a CCW to a function.
var sb = new Cu.Sandbox(this);
sb.eval('function fun(x) { return x; }');
do_check_eq(sb.fun("foo"), "foo");
// Double-wrap the CCW.
var utils = Cc["@mozilla.org/js/xpc/test/js/TestUtils;1"].createInstance(Ci.nsIXPCTestUtils);
var doubleWrapped = utils.doubleWrapFunction(sb.fun);
do_check_eq(doubleWrapped.echo("foo"), "foo");
// GC.
Cu.forceGC();
// Make sure it still works.
do_check_eq(doubleWrapped.echo("foo"), "foo");
}