gecko/ipc/ipdl/test/cxx/TestCrashCleanup.cpp

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#include "TestCrashCleanup.h"
#include "mozilla/CondVar.h"
#include "mozilla/Mutex.h"
#include "IPDLUnitTests.h" // fail etc.
#include "IPDLUnitTestSubprocess.h"
using mozilla::CondVar;
using mozilla::Mutex;
using mozilla::MutexAutoLock;
namespace mozilla {
namespace _ipdltest {
//-----------------------------------------------------------------------------
// parent
namespace {
// NB: this test does its own shutdown, rather than going through
// QuitParent(), because it's testing degenerate edge cases
void DeleteSubprocess(Mutex* mutex, CondVar* cvar)
{
MutexAutoLock lock(*mutex);
delete gSubprocess;
gSubprocess = NULL;
cvar->Notify();
}
void DeleteTheWorld()
{
delete static_cast<TestCrashCleanupParent*>(gParentActor);
gParentActor = NULL;
// needs to be synchronous to avoid affecting event ordering on
// the main thread
Mutex mutex("TestCrashCleanup.DeleteTheWorld.mutex");
CondVar cvar(mutex, "TestCrashCleanup.DeleteTheWorld.cvar");
MutexAutoLock lock(mutex);
XRE_GetIOMessageLoop()->PostTask(
FROM_HERE,
NewRunnableFunction(DeleteSubprocess, &mutex, &cvar));
cvar.Wait();
}
void Done()
{
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
nsCOMPtr<nsIAppShell> appShell (do_GetService(kAppShellCID));
appShell->Exit();
passed(__FILE__);
}
} // namespace <anon>
TestCrashCleanupParent::TestCrashCleanupParent() : mCleanedUp(false)
{
MOZ_COUNT_CTOR(TestCrashCleanupParent);
}
TestCrashCleanupParent::~TestCrashCleanupParent()
{
MOZ_COUNT_DTOR(TestCrashCleanupParent);
if (!mCleanedUp)
fail("should have been ActorDestroy()d!");
}
void
TestCrashCleanupParent::Main()
{
// NB: has to be enqueued before IO thread's error notification
MessageLoop::current()->PostTask(
FROM_HERE, NewRunnableFunction(DeleteTheWorld));
if (CallDIEDIEDIE())
fail("expected an error!");
Close();
MessageLoop::current()->PostTask(FROM_HERE, NewRunnableFunction(Done));
}
//-----------------------------------------------------------------------------
// child
TestCrashCleanupChild::TestCrashCleanupChild()
{
MOZ_COUNT_CTOR(TestCrashCleanupChild);
}
TestCrashCleanupChild::~TestCrashCleanupChild()
{
MOZ_COUNT_DTOR(TestCrashCleanupChild);
}
bool
TestCrashCleanupChild::AnswerDIEDIEDIE()
{
_exit(0);
NS_RUNTIMEABORT("unreached");
return false;
}
} // namespace _ipdltest
} // namespace mozilla