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Components.utils.import("resource://gre/modules/Services.jsm", this);
Components.utils.import("resource://gre/modules/Promise.jsm", this);
Components.utils.import("resource://gre/modules/Task.jsm", this);
Components.utils.import("resource://gre/modules/osfile.jsm", this);
add_task(function init() {
do_get_profile();
});
/**
* Test logging of file descriptors leaks.
*/
add_task(function system_shutdown() {
// Test that unclosed files cause warnings
// Test that unclosed directories cause warnings
// Test that closed files do not cause warnings
// Test that closed directories do not cause warnings
function testLeaksOf(resource, topic) {
return Task.spawn(function() {
let deferred = Promise.defer();
// Register observer
Services.prefs.setBoolPref("toolkit.asyncshutdown.testing", true);
Services.prefs.setBoolPref("toolkit.osfile.log", true);
Services.prefs.setBoolPref("toolkit.osfile.log.redirect", true);
Services.prefs.setCharPref("toolkit.osfile.test.shutdown.observer", topic);
let observer = function(aMessage) {
try {
do_print("Got message: " + aMessage);
if (!(aMessage instanceof Components.interfaces.nsIConsoleMessage)) {
return;
}
let message = aMessage.message;
do_print("Got message: " + message);
if (message.indexOf("TEST OS Controller WARNING") < 0) {
return;
}
do_print("Got message: " + message + ", looking for resource " + resource);
if (message.indexOf(resource) < 0) {
return;
}
do_print("Resource: " + resource + " found");
do_execute_soon(deferred.resolve);
} catch (ex) {
do_execute_soon(function() {
deferred.reject(ex);
});
}
};
Services.console.registerListener(observer);
Services.obs.notifyObservers(null, topic, null);
do_timeout(1000, function() {
do_print("Timeout while waiting for resource: " + resource);
deferred.reject("timeout");
});
let resolved = false;
try {
yield deferred.promise;
resolved = true;
} catch (ex if ex == "timeout") {
resolved = false;
}
Services.console.unregisterListener(observer);
Services.prefs.clearUserPref("toolkit.osfile.log");
Services.prefs.clearUserPref("toolkit.osfile.log.redirect");
Services.prefs.clearUserPref("toolkit.osfile.test.shutdown.observer");
Services.prefs.clearUserPref("toolkit.async_shutdown.testing", true);
throw new Task.Result(resolved);
});
}
let TEST_DIR = OS.Path.join((yield OS.File.getCurrentDirectory()), "..");
do_print("Testing for leaks of directory iterator " + TEST_DIR);
let iterator = new OS.File.DirectoryIterator(TEST_DIR);
do_print("At this stage, we leak the directory");
do_check_true((yield testLeaksOf(TEST_DIR, "test.shutdown.dir.leak")));
yield iterator.close();
do_print("At this stage, we don't leak the directory anymore");
do_check_false((yield testLeaksOf(TEST_DIR, "test.shutdown.dir.noleak")));
let TEST_FILE = OS.Path.join(OS.Constants.Path.profileDir, "test");
do_print("Testing for leaks of file descriptor: " + TEST_FILE);
let openedFile = yield OS.File.open(TEST_FILE, { create: true} );
do_print("At this stage, we leak the file");
do_check_true((yield testLeaksOf(TEST_FILE, "test.shutdown.file.leak")));
yield openedFile.close();
do_print("At this stage, we don't leak the file anymore");
do_check_false((yield testLeaksOf(TEST_FILE, "test.shutdown.file.leak.2")));
});
function run_test() {
run_next_test();
}
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