gecko-dev/xpcom/sample/program/nsTestSample.cpp

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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):
* Suresh Duddi <dp@netscape.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
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* decision by deleting the provisions above and replace them with the notice
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*
* ***** END LICENSE BLOCK ***** */
/**
* A Test application that exercises the sample moudule. This is intented
* to be a sample application for using xpcom standalone.
*/
#include <stdio.h>
#include "nsXPCOMGlue.h"
#include "nsXPCOM.h"
#include "nsCOMPtr.h"
#include "nsISample.h"
#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#define NS_SAMPLE_CONTRACTID "@mozilla.org/sample;1"
int
main(void)
{
nsresult rv;
XPCOMGlueStartup(nsnull);
// Initialize XPCOM
nsCOMPtr<nsIServiceManager> servMan;
rv = NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
if (NS_FAILED(rv))
{
printf("ERROR: XPCOM intialization error [%x].\n", rv);
return -1;
}
nsCOMPtr<nsIComponentManager> manager = do_QueryInterface(servMan);
// Create an instance of our component
nsCOMPtr<nsISample> mysample;
rv = manager->CreateInstanceByContractID(NS_SAMPLE_CONTRACTID,
nsnull,
NS_GET_IID(nsISample),
getter_AddRefs(mysample));
if (NS_FAILED(rv))
{
printf("ERROR: Cannot create instance of component " NS_SAMPLE_CONTRACTID " [%x].\n"
"Debugging hint:\n"
"\tsetenv NSPR_LOG_MODULES nsComponentManager:5\n"
"\tsetenv NSPR_LOG_FILE xpcom.log\n"
"\t./nsTestSample\n"
"\t<check the contents for xpcom.log for possible cause of error>.\n",
rv);
return -2;
}
// Call methods on our sample to test it out.
rv = mysample->WriteValue("Inital print:");
if (NS_FAILED(rv))
{
printf("ERROR: Calling nsISample::WriteValue() [%x]\n", rv);
return -3;
}
const char *testValue = "XPCOM defies gravity";
rv = mysample->SetValue(testValue);
if (NS_FAILED(rv))
{
printf("ERROR: Calling nsISample::SetValue() [%x]\n", rv);
return -3;
}
printf("Set value to: %s\n", testValue);
char *str;
rv = mysample->GetValue(&str);
if (NS_FAILED(rv))
{
printf("ERROR: Calling nsISample::GetValue() [%x]\n", rv);
return -3;
}
if (strcmp(str, testValue))
{
printf("Test FAILED.\n");
return -4;
}
NS_Free(str);
rv = mysample->WriteValue("Final print :");
printf("Test passed.\n");
// All nsCOMPtr's must be deleted prior to calling shutdown XPCOM
// as we should not hold references passed XPCOM Shutdown.
servMan = 0;
manager = 0;
mysample = 0;
// Shutdown XPCOM
NS_ShutdownXPCOM(nsnull);
XPCOMGlueShutdown();
return 0;
}