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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "MyService.h"
#include "nsXPCOM.h"
#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
#include <stdio.h>
static NS_DEFINE_CID(kIMyServiceCID, NS_IMYSERVICE_CID);
////////////////////////////////////////////////////////////////////////////////
IMyService* myServ = NULL;
nsresult
BeginTest(int testNumber)
{
nsresult err;
NS_ASSERTION(myServ == NULL, "myServ not reset");
err = nsServiceManager::GetService(kIMyServiceCID, NS_GET_IID(IMyService),
(nsISupports**)&myServ);
return err;
}
nsresult
EndTest(int testNumber)
{
nsresult err = NS_OK;
if (myServ) {
err = myServ->Doit();
if (err != NS_OK) return err;
err = nsServiceManager::ReleaseService(kIMyServiceCID, myServ);
if (err != NS_OK) return err;
myServ = NULL;
}
printf("test %d succeeded\n", testNumber);
return NS_OK;
}
nsresult
SimpleTest(int testNumber)
{
// This test just gets a service, uses it and releases it.
nsresult err;
err = BeginTest(testNumber);
if (err != NS_OK) return err;
err = EndTest(testNumber);
return err;
}
////////////////////////////////////////////////////////////////////////////////
nsresult
AsyncShutdown(int testNumber)
{
nsresult err;
// If the AsyncShutdown was truly asynchronous and happened on another
// thread, we'd have to protect all accesses to myServ throughout this
// code with a monitor.
err = nsServiceManager::UnregisterService(kIMyServiceCID);
if (err == NS_ERROR_SERVICE_NOT_AVAILABLE) {
printf("async shutdown -- service not found\n");
return NS_OK;
}
return err;
}
nsresult
AsyncNoShutdownTest(int testNumber)
{
// This test gets a service, and also gets an async request for shutdown,
// but the service doesn't get shut down because some other client (who's
// not participating in the async shutdown game as he should) is
// continuing to hang onto the service. This causes myServ variable to
// get set to NULL, but the service doesn't get unloaded right away as
// it should.
nsresult err;
err = BeginTest(testNumber);
if (err != NS_OK) return err;
// Create some other user of kIMyServiceCID, preventing it from
// really going away:
IMyService* otherClient;
err = nsServiceManager::GetService(kIMyServiceCID, NS_GET_IID(IMyService),
(nsISupports**)&otherClient);
if (err != NS_OK) return err;
err = AsyncShutdown(testNumber);
if (err != NS_OK) return err;
err = EndTest(testNumber);
// Finally, release the other client.
err = nsServiceManager::ReleaseService(kIMyServiceCID, otherClient);
return err;
}
////////////////////////////////////////////////////////////////////////////////
int
main(void)
{
nsresult err;
int testNumber = 0;
err = NS_InitXPCOM2(nsnull, nsnull, nsnull);
if (NS_FAILED(err)) {
printf("NS_InitXPCOM2 failed\n");
return -1;
}
err = SimpleTest(++testNumber);
if (err != NS_OK)
goto error;
err = AsyncNoShutdownTest(++testNumber);
if (err != NS_OK)
goto error;
AsyncShutdown(++testNumber);
printf("there was great success\n");
return 0;
error:
printf("test %d failed\n", testNumber);
return -1;
}
////////////////////////////////////////////////////////////////////////////////
|
