<!DOCTYPE html> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script> // Make sure that we cannot open private browsing windows from unprivileged content var win = window.open("about:blank", "_blank", "private"); ok(!SpecialPowers.isContentWindowPrivate(win)); win.close(); // Also, make sure that passing non-private doesn't make any difference either win = window.open("about:blank", "_blank", "non-private"); ok(!SpecialPowers.isContentWindowPrivate(win)); win.close(); </script>