gecko-dev/xpcom/tests/TestTimers.cpp

189 lines
4.4 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 "nsIThread.h"
#include "nsITimer.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "prinrval.h"
#include "prmon.h"
#include "prthread.h"
#include "mozilla/Attributes.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 MOZ_NO_ADDREF_RELEASE_ON_RETURN {
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 MOZ_FINAL : public nsITimerCallback
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
TimerCallback(nsIThread** aThreadPtr, ReentrantMonitor* aReentrantMonitor)
: mThreadPtr(aThreadPtr), mReentrantMonitor(aReentrantMonitor) { }
NS_IMETHOD Notify(nsITimer* aTimer) MOZ_OVERRIDE {
NS_ASSERTION(mThreadPtr, "Callback was not supposed to be called!");
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:
~TimerCallback() {}
nsIThread** mThreadPtr;
ReentrantMonitor* mReentrantMonitor;
};
NS_IMPL_ISUPPORTS(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 = nullptr;
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;
}
nsresult
TestTimerWithStoppedTarget()
{
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);
// If this is called, we'll assert
nsCOMPtr<nsITimerCallback> callback =
new TimerCallback(nullptr, nullptr);
NS_ENSURE_TRUE(callback, NS_ERROR_OUT_OF_MEMORY);
rv = timer->InitWithCallback(callback, PR_MillisecondsToInterval(100),
nsITimer::TYPE_ONE_SHOT);
NS_ENSURE_SUCCESS(rv, rv);
testThread->Shutdown();
PR_Sleep(400);
return NS_OK;
}
int main(int argc, char** argv)
{
ScopedXPCOM xpcom("TestTimers");
NS_ENSURE_FALSE(xpcom.failed(), 1);
static TestFuncPtr testsToRun[] = {
TestTargetedTimers,
TestTimerWithStoppedTarget
};
static uint32_t testCount = sizeof(testsToRun) / sizeof(testsToRun[0]);
for (uint32_t i = 0; i < testCount; i++) {
nsresult rv = testsToRun[i]();
NS_ENSURE_SUCCESS(rv, 1);
}
return 0;
}