gecko-dev/xpcom/tests/TestRacingServiceManager.cpp

312 lines
7.3 KiB
C++

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "TestHarness.h"
#include "nsIFactory.h"
#include "mozilla/Module.h"
#include "nsXULAppAPI.h"
#include "nsIThread.h"
#include "nsIComponentRegistrar.h"
#include "nsAutoPtr.h"
#include "nsThreadUtils.h"
#include "nsXPCOMCIDInternal.h"
#include "pratom.h"
#include "prmon.h"
#include "mozilla/Attributes.h"
#include "mozilla/ReentrantMonitor.h"
using namespace mozilla;
#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"
int32_t gComponent1Count = 0;
int32_t gComponent2Count = 0;
ReentrantMonitor* gReentrantMonitor = nullptr;
bool gCreateInstanceCalled = false;
bool gMainThreadWaiting = false;
class AutoCreateAndDestroyReentrantMonitor
{
public:
explicit AutoCreateAndDestroyReentrantMonitor(ReentrantMonitor** aReentrantMonitorPtr)
: mReentrantMonitorPtr(aReentrantMonitorPtr) {
*aReentrantMonitorPtr =
new ReentrantMonitor("TestRacingServiceManager::AutoMon");
TEST_ASSERTION(*aReentrantMonitorPtr, "Out of memory!");
}
~AutoCreateAndDestroyReentrantMonitor() {
if (*mReentrantMonitorPtr) {
delete *mReentrantMonitorPtr;
*mReentrantMonitorPtr = nullptr;
}
}
private:
ReentrantMonitor** mReentrantMonitorPtr;
};
class Factory MOZ_FINAL : public nsIFactory
{
~Factory() {}
public:
NS_DECL_THREADSAFE_ISUPPORTS
Factory() : mFirstComponentCreated(false) { }
NS_IMETHOD CreateInstance(nsISupports* aDelegate,
const nsIID& aIID,
void** aResult);
NS_IMETHOD LockFactory(bool aLock) {
return NS_OK;
}
bool mFirstComponentCreated;
};
NS_IMPL_ISUPPORTS(Factory, nsIFactory)
class Component1 MOZ_FINAL : public nsISupports
{
~Component1() {}
public:
NS_DECL_THREADSAFE_ISUPPORTS
Component1() {
// This is the real test - make sure that only one instance is ever created.
int32_t count = PR_AtomicIncrement(&gComponent1Count);
TEST_ASSERTION(count == 1, "Too many components created!");
}
};
NS_IMPL_ADDREF(Component1)
NS_IMPL_RELEASE(Component1)
NS_INTERFACE_MAP_BEGIN(Component1)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
class Component2 MOZ_FINAL : public nsISupports
{
~Component2() {}
public:
NS_DECL_THREADSAFE_ISUPPORTS
Component2() {
// This is the real test - make sure that only one instance is ever created.
int32_t count = PR_AtomicIncrement(&gComponent2Count);
TEST_ASSERTION(count == 1, "Too many components created!");
}
};
NS_IMPL_ADDREF(Component2)
NS_IMPL_RELEASE(Component2)
NS_INTERFACE_MAP_BEGIN(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!");
{
ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
gCreateInstanceCalled = 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(false) { }
bool mFirstRunnableDone;
};
NS_IMETHODIMP
Runnable::Run()
{
{
ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
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;
}
static Factory* gFactory;
static already_AddRefed<nsIFactory>
CreateFactory(const mozilla::Module& module, const mozilla::Module::CIDEntry& entry)
{
if (!gFactory) {
gFactory = new Factory();
NS_ADDREF(gFactory);
}
nsCOMPtr<nsIFactory> ret = gFactory;
return ret.forget();
}
static const mozilla::Module::CIDEntry kLocalCIDs[] = {
{ &kFactoryCID1, false, CreateFactory, nullptr },
{ &kFactoryCID2, false, CreateFactory, nullptr },
{ nullptr }
};
static const mozilla::Module::ContractIDEntry kLocalContracts[] = {
{ FACTORY_CONTRACTID, &kFactoryCID2 },
{ nullptr }
};
static const mozilla::Module kLocalModule = {
mozilla::Module::kVersion,
kLocalCIDs,
kLocalContracts
};
int main(int argc, char** argv)
{
nsresult rv;
XRE_AddStaticComponent(&kLocalModule);
ScopedXPCOM xpcom("RacingServiceManager");
NS_ENSURE_FALSE(xpcom.failed(), 1);
AutoCreateAndDestroyReentrantMonitor mon(&gReentrantMonitor);
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);
{
ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
gMainThreadWaiting = 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 = false;
gFactory->mFirstComponentCreated = runnable->mFirstRunnableDone = true;
component = nullptr;
rv = newThread->Dispatch(runnable, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS(rv, 1);
{
ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
gMainThreadWaiting = true;
mon.Notify();
while (!gCreateInstanceCalled) {
mon.Wait();
}
}
component = do_GetService(FACTORY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, 1);
NS_RELEASE(gFactory);
return 0;
}