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-rw-r--r--xpcom/tests/gtest/TestRacingServiceManager.cpp300
1 files changed, 300 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/TestRacingServiceManager.cpp b/xpcom/tests/gtest/TestRacingServiceManager.cpp
new file mode 100644
index 000000000..b0638db02
--- /dev/null
+++ b/xpcom/tests/gtest/TestRacingServiceManager.cpp
@@ -0,0 +1,300 @@
+/* -*- 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 "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/Assertions.h"
+#include "mozilla/Attributes.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() {}
+
+public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+
+ Factory() : mFirstComponentCreated(false) { }
+
+ NS_IMETHOD CreateInstance(nsISupports* aDelegate,
+ const nsIID& aIID,
+ void** aResult) override;
+
+ NS_IMETHOD LockFactory(bool aLock) override {
+ return NS_OK;
+ }
+
+ bool mFirstComponentCreated;
+};
+
+NS_IMPL_ISUPPORTS(Factory, nsIFactory)
+
+class Component1 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);
+ 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() {}
+
+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(nsISupports* aDelegate,
+ 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_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 TestRunnable : public Runnable
+{
+public:
+ NS_DECL_NSIRUNNABLE
+
+ 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;
+
+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
+};
+
+TEST(RacingServiceManager, Test)
+{
+ nsresult rv;
+ XRE_AddStaticComponent(&kLocalModule);
+
+ AutoCreateAndDestroyReentrantMonitor mon1(&gReentrantMonitor);
+
+ RefPtr<TestRunnable> runnable = new TestRunnable();
+ ASSERT_TRUE(runnable);
+
+ // Run the classID test
+ nsCOMPtr<nsIThread> newThread;
+ rv = NS_NewThread(getter_AddRefs(newThread), runnable);
+ ASSERT_TRUE(NS_SUCCEEDED(rv));
+
+ {
+ ReentrantMonitorAutoEnter mon2(*gReentrantMonitor);
+
+ gMainThreadWaiting = true;
+ mon2.Notify();
+
+ while (!gCreateInstanceCalled) {
+ mon2.Wait();
+ }
+ }
+
+ nsCOMPtr<nsISupports> component(do_GetService(kFactoryCID1, &rv));
+ ASSERT_TRUE(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_TRUE(NS_SUCCEEDED(rv));
+
+ {
+ ReentrantMonitorAutoEnter mon3(*gReentrantMonitor);
+
+ gMainThreadWaiting = true;
+ mon3.Notify();
+
+ while (!gCreateInstanceCalled) {
+ mon3.Wait();
+ }
+ }
+
+ component = do_GetService(FACTORY_CONTRACTID, &rv);
+ ASSERT_TRUE(NS_SUCCEEDED(rv));
+
+ NS_RELEASE(gFactory);
+}
+
+} // namespace TestRacingServiceManager