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/* -*- 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
#include "nsIFactory.h"
#include "nsXULAppAPI.h"
#include "nsIThread.h"
#include "nsComponentManager.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "nsXPCOMCIDInternal.h"
#include "pratom.h"
#include "prmon.h"
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
#include "mozilla/gtest/MozAssertions.h"
#include "mozilla/ReentrantMonitor.h"
#include "gtest/gtest.h"
using namespace mozilla;
/* 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"
namespace TestRacingServiceManager {
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");
MOZ_RELEASE_ASSERT(*aReentrantMonitorPtr, "Out of memory!");
}
~AutoCreateAndDestroyReentrantMonitor() {
if (*mReentrantMonitorPtr) {
delete *mReentrantMonitorPtr;
*mReentrantMonitorPtr = nullptr;
}
}
private:
ReentrantMonitor** mReentrantMonitorPtr;
};
class Factory final : public nsIFactory {
~Factory() = default;
public:
NS_DECL_THREADSAFE_ISUPPORTS
Factory() : mFirstComponentCreated(false) {}
NS_IMETHOD CreateInstance(const nsIID& aIID, void** aResult) override;
bool mFirstComponentCreated;
};
NS_IMPL_ISUPPORTS(Factory, nsIFactory)
class Component1 final : public nsISupports {
~Component1() = default;
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);
MOZ_RELEASE_ASSERT(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 final : public nsISupports {
~Component2() = default;
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);
EXPECT_EQ(count, int32_t(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(const nsIID& aIID, void** aResult) {
// Make sure that the second thread beat the main thread to the getService
// call.
MOZ_RELEASE_ASSERT(!NS_IsMainThread(), "Wrong thread!");
{
ReentrantMonitorAutoEnter mon(*gReentrantMonitor);
gCreateInstanceCalled = true;
mon.Notify();
mon.Wait(PR_MillisecondsToInterval(3000));
}
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 TestRunnable : public Runnable {
public:
NS_DECL_NSIRUNNABLE
TestRunnable()
: mozilla::Runnable("TestRacingServiceManager::TestRunnable"),
mFirstRunnableDone(false) {}
bool mFirstRunnableDone;
};
NS_IMETHODIMP
TestRunnable::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);
}
EXPECT_TRUE(NS_SUCCEEDED(rv)) << "GetService failed!";
return NS_OK;
}
static Factory* gFactory;
TEST(RacingServiceManager, Test)
{
nsresult rv;
gFactory = new Factory();
NS_ADDREF(gFactory);
nsComponentManagerImpl::gComponentManager->RegisterFactory(
kFactoryCID2, "factory1", FACTORY_CONTRACTID, gFactory);
nsComponentManagerImpl::gComponentManager->RegisterFactory(
kFactoryCID1, "factory2", nullptr, gFactory);
AutoCreateAndDestroyReentrantMonitor mon1(&gReentrantMonitor);
RefPtr<TestRunnable> runnable = new TestRunnable();
ASSERT_TRUE(runnable);
// Run the classID test
nsCOMPtr<nsIThread> newThread;
rv = NS_NewNamedThread("RacingServMan", getter_AddRefs(newThread), runnable);
ASSERT_NS_SUCCEEDED(rv);
{
ReentrantMonitorAutoEnter mon2(*gReentrantMonitor);
gMainThreadWaiting = true;
mon2.Notify();
while (!gCreateInstanceCalled) {
mon2.Wait();
}
}
nsCOMPtr<nsISupports> component(do_GetService(kFactoryCID1, &rv));
ASSERT_NS_SUCCEEDED(rv);
// Reset for the contractID test
gMainThreadWaiting = gCreateInstanceCalled = false;
gFactory->mFirstComponentCreated = runnable->mFirstRunnableDone = true;
component = nullptr;
rv = newThread->Dispatch(runnable, NS_DISPATCH_NORMAL);
ASSERT_NS_SUCCEEDED(rv);
{
ReentrantMonitorAutoEnter mon3(*gReentrantMonitor);
gMainThreadWaiting = true;
mon3.Notify();
while (!gCreateInstanceCalled) {
mon3.Wait();
}
}
component = do_GetService(FACTORY_CONTRACTID, &rv);
ASSERT_NS_SUCCEEDED(rv);
NS_RELEASE(gFactory);
}
} // namespace TestRacingServiceManager