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palemoon27/toolkit/components/osfile/tests/xpcshell/test_available_free_space.js
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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/. */
"use strict";
Components.utils.import("resource://gre/modules/osfile.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
do_register_cleanup(function() {
Services.prefs.setBoolPref("toolkit.osfile.log", false);
});
function run_test() {
Services.prefs.setBoolPref("toolkit.osfile.log", true);
run_next_test();
}
/**
* Test OS.File.getAvailableFreeSpace
*/
add_task(function() {
// Set up profile. We will use profile path to query for available free
// space.
do_get_profile();
let dir = OS.Constants.Path.profileDir;
// Sanity checking for the test
do_check_true((yield OS.File.exists(dir)));
// Query for available bytes for user
let availableBytes = yield OS.File.getAvailableFreeSpace(dir);
do_check_true(!!availableBytes);
do_check_true(availableBytes > 0);
});