gecko/xpcom/tests/TestTimers.cpp

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/* -*- Mode: C; tab-width: 8; 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 Timer Test Code.
*
* The Initial Developer of the Original Code is
* Ben Turner <bent.mozilla@gmail.com>.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 "TestHarness.h"
#include "nsIThread.h"
#include "nsITimer.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "prinrval.h"
#include "prmon.h"
#include "mozilla/ReentrantMonitor.h"
using namespace mozilla;
typedef nsresult(*TestFuncPtr)();
class AutoTestThread
{
public:
AutoTestThread() {
nsCOMPtr<nsIThread> newThread;
nsresult rv = NS_NewThread(getter_AddRefs(newThread));
if (NS_FAILED(rv))
return;
newThread.swap(mThread);
}
~AutoTestThread() {
mThread->Shutdown();
}
operator nsIThread*() const {
return mThread;
}
nsIThread* operator->() const {
return mThread;
}
private:
nsCOMPtr<nsIThread> mThread;
};
class AutoCreateAndDestroyReentrantMonitor
{
public:
AutoCreateAndDestroyReentrantMonitor() {
mReentrantMonitor = new ReentrantMonitor("TestTimers::AutoMon");
NS_ASSERTION(mReentrantMonitor, "Out of memory!");
}
~AutoCreateAndDestroyReentrantMonitor() {
delete mReentrantMonitor;
}
operator ReentrantMonitor* () {
return mReentrantMonitor;
}
private:
ReentrantMonitor* mReentrantMonitor;
};
class TimerCallback : public nsITimerCallback
{
public:
NS_DECL_ISUPPORTS
TimerCallback(nsIThread** aThreadPtr, ReentrantMonitor* aReentrantMonitor)
: mThreadPtr(aThreadPtr), mReentrantMonitor(aReentrantMonitor) { }
NS_IMETHOD Notify(nsITimer* aTimer) {
nsCOMPtr<nsIThread> current(do_GetCurrentThread());
ReentrantMonitorAutoEnter mon(*mReentrantMonitor);
NS_ASSERTION(!*mThreadPtr, "Timer called back more than once!");
*mThreadPtr = current;
mon.Notify();
return NS_OK;
}
private:
nsIThread** mThreadPtr;
ReentrantMonitor* mReentrantMonitor;
};
NS_IMPL_THREADSAFE_ISUPPORTS1(TimerCallback, nsITimerCallback)
nsresult
TestTargetedTimers()
{
AutoCreateAndDestroyReentrantMonitor newMon;
NS_ENSURE_TRUE(newMon, NS_ERROR_OUT_OF_MEMORY);
AutoTestThread testThread;
NS_ENSURE_TRUE(testThread, NS_ERROR_OUT_OF_MEMORY);
nsresult rv;
nsCOMPtr<nsITimer> timer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsIEventTarget* target = static_cast<nsIEventTarget*>(testThread);
rv = timer->SetTarget(target);
NS_ENSURE_SUCCESS(rv, rv);
nsIThread* notifiedThread = nsnull;
nsCOMPtr<nsITimerCallback> callback =
new TimerCallback(&notifiedThread, newMon);
NS_ENSURE_TRUE(callback, NS_ERROR_OUT_OF_MEMORY);
rv = timer->InitWithCallback(callback, PR_MillisecondsToInterval(2000),
nsITimer::TYPE_ONE_SHOT);
NS_ENSURE_SUCCESS(rv, rv);
ReentrantMonitorAutoEnter mon(*newMon);
while (!notifiedThread) {
mon.Wait();
}
NS_ENSURE_TRUE(notifiedThread == testThread, NS_ERROR_FAILURE);
return NS_OK;
}
int main(int argc, char** argv)
{
ScopedXPCOM xpcom("TestTimers");
NS_ENSURE_FALSE(xpcom.failed(), 1);
static TestFuncPtr testsToRun[] = {
TestTargetedTimers
};
static PRUint32 testCount = sizeof(testsToRun) / sizeof(testsToRun[0]);
for (PRUint32 i = 0; i < testCount; i++) {
nsresult rv = testsToRun[i]();
NS_ENSURE_SUCCESS(rv, 1);
}
return 0;
}