gecko/xpcom/tests/TestRacingServiceManager.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 Racing Service Manager 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 "nsIFactory.h"
#include "nsIThread.h"
#include "nsIComponentRegistrar.h"
#include "nsAutoLock.h"
#include "nsAutoPtr.h"
#include "nsThreadUtils.h"
#include "nsXPCOMCIDInternal.h"
#include "prmon.h"
#ifdef DEBUG
#define TEST_ASSERTION(_test, _msg) \
NS_ASSERTION(_test, _msg);
#else
#define TEST_ASSERTION(_test, _msg) \
PR_BEGIN_MACRO \
if (!(_test)) { \
NS_DebugBreak(NS_DEBUG_ABORT, _msg, #_test, __FILE__, __LINE__); \
} \
PR_END_MACRO
#endif
/* f93f6bdc-88af-42d7-9d64-1b43c649a3e5 */
#define FACTORY_CID1 \
{ \
0xf93f6bdc, \
0x88af, \
0x42d7, \
{ 0x9d, 0x64, 0x1b, 0x43, 0xc6, 0x49, 0xa3, 0xe5 } \
}
NS_DEFINE_CID(kFactoryCID1, FACTORY_CID1);
/* ef38ad65-6595-49f0-8048-e819f81d15e2 */
#define FACTORY_CID2 \
{ \
0xef38ad65, \
0x6595, \
0x49f0, \
{ 0x80, 0x48, 0xe8, 0x19, 0xf8, 0x1d, 0x15, 0xe2 } \
}
NS_DEFINE_CID(kFactoryCID2, FACTORY_CID2);
#define FACTORY_CONTRACTID \
"TestRacingThreadManager/factory;1"
PRInt32 gComponent1Count = 0;
PRInt32 gComponent2Count = 0;
PRMonitor* gMonitor = nsnull;
PRBool gCreateInstanceCalled = PR_FALSE;
PRBool gMainThreadWaiting = PR_FALSE;
class AutoCreateAndDestroyMonitor
{
public:
AutoCreateAndDestroyMonitor(PRMonitor** aMonitorPtr)
: mMonitorPtr(aMonitorPtr) {
*aMonitorPtr =
nsAutoMonitor::NewMonitor("TestRacingServiceManager::AutoMon");
TEST_ASSERTION(*aMonitorPtr, "Out of memory!");
}
~AutoCreateAndDestroyMonitor() {
if (*mMonitorPtr) {
nsAutoMonitor::DestroyMonitor(*mMonitorPtr);
*mMonitorPtr = nsnull;
}
}
private:
PRMonitor** mMonitorPtr;
};
class Factory : public nsIFactory
{
public:
NS_DECL_ISUPPORTS
Factory() : mFirstComponentCreated(PR_FALSE) { }
NS_IMETHOD CreateInstance(nsISupports* aDelegate,
const nsIID& aIID,
void** aResult);
NS_IMETHOD LockFactory(PRBool aLock) {
return NS_OK;
}
PRBool mFirstComponentCreated;
};
NS_IMPL_THREADSAFE_ISUPPORTS1(Factory, nsIFactory)
class Component1 : public nsISupports
{
public:
NS_DECL_ISUPPORTS
Component1() {
// This is the real test - make sure that only one instance is ever created.
PRInt32 count = PR_AtomicIncrement(&gComponent1Count);
TEST_ASSERTION(count == 1, "Too many components created!");
}
};
NS_IMPL_THREADSAFE_ADDREF(Component1)
NS_IMPL_THREADSAFE_RELEASE(Component1)
NS_INTERFACE_MAP_BEGIN(Component1)
NS_INTERFACE_MAP_ENTRY(Component1)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
class Component2 : public nsISupports
{
public:
NS_DECL_ISUPPORTS
Component2() {
// This is the real test - make sure that only one instance is ever created.
PRInt32 count = PR_AtomicIncrement(&gComponent2Count);
TEST_ASSERTION(count == 1, "Too many components created!");
}
};
NS_IMPL_THREADSAFE_ADDREF(Component2)
NS_IMPL_THREADSAFE_RELEASE(Component2)
NS_INTERFACE_MAP_BEGIN(Component2)
NS_INTERFACE_MAP_ENTRY(Component2)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMETHODIMP
Factory::CreateInstance(nsISupports* aDelegate,
const nsIID& aIID,
void** aResult)
{
// Make sure that the second thread beat the main thread to the getService
// call.
TEST_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
{
nsAutoMonitor mon(gMonitor);
gCreateInstanceCalled = PR_TRUE;
mon.Notify();
mon.Wait(PR_MillisecondsToInterval(3000));
}
NS_ENSURE_FALSE(aDelegate, NS_ERROR_NO_AGGREGATION);
NS_ENSURE_ARG_POINTER(aResult);
nsCOMPtr<nsISupports> instance;
if (!mFirstComponentCreated) {
instance = new Component1();
}
else {
instance = new Component2();
}
NS_ENSURE_TRUE(instance, NS_ERROR_OUT_OF_MEMORY);
nsresult rv = instance->QueryInterface(aIID, aResult);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
class Runnable : public nsRunnable
{
public:
NS_DECL_NSIRUNNABLE
Runnable() : mFirstRunnableDone(PR_FALSE) { }
PRBool mFirstRunnableDone;
};
NS_IMETHODIMP
Runnable::Run()
{
{
nsAutoMonitor mon(gMonitor);
while (!gMainThreadWaiting) {
mon.Wait();
}
}
nsresult rv;
nsCOMPtr<nsISupports> component;
if (!mFirstRunnableDone) {
component = do_GetService(kFactoryCID1, &rv);
}
else {
component = do_GetService(FACTORY_CONTRACTID, &rv);
}
TEST_ASSERTION(NS_SUCCEEDED(rv), "GetService failed!");
return NS_OK;
}
int main(int argc, char** argv)
{
ScopedXPCOM xpcom("RacingServiceManager");
NS_ENSURE_FALSE(xpcom.failed(), 1);
nsCOMPtr<nsIComponentRegistrar> registrar;
nsresult rv = NS_GetComponentRegistrar(getter_AddRefs(registrar));
NS_ENSURE_SUCCESS(rv, 1);
nsRefPtr<Factory> factory = new Factory();
NS_ENSURE_TRUE(factory, 1);
rv = registrar->RegisterFactory(kFactoryCID1, nsnull, nsnull, factory);
NS_ENSURE_SUCCESS(rv, 1);
rv = registrar->RegisterFactory(kFactoryCID2, nsnull, FACTORY_CONTRACTID,
factory);
NS_ENSURE_SUCCESS(rv, 1);
AutoCreateAndDestroyMonitor mon(&gMonitor);
nsRefPtr<Runnable> runnable = new Runnable();
NS_ENSURE_TRUE(runnable, 1);
// Run the classID test
nsCOMPtr<nsIThread> newThread;
rv = NS_NewThread(getter_AddRefs(newThread), runnable);
NS_ENSURE_SUCCESS(rv, 1);
{
nsAutoMonitor mon(gMonitor);
gMainThreadWaiting = PR_TRUE;
mon.Notify();
while (!gCreateInstanceCalled) {
mon.Wait();
}
}
nsCOMPtr<nsISupports> component(do_GetService(kFactoryCID1, &rv));
NS_ENSURE_SUCCESS(rv, 1);
// Reset for the contractID test
gMainThreadWaiting = gCreateInstanceCalled = PR_FALSE;
factory->mFirstComponentCreated = runnable->mFirstRunnableDone = PR_TRUE;
component = nsnull;
rv = newThread->Dispatch(runnable, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS(rv, 1);
{
nsAutoMonitor mon(gMonitor);
gMainThreadWaiting = PR_TRUE;
mon.Notify();
while (!gCreateInstanceCalled) {
mon.Wait();
}
}
component = do_GetService(FACTORY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, 1);
return 0;
}