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#include "TestInterruptShutdownRace.h"
#include "base/task.h"
#include "IPDLUnitTests.h" // fail etc.
#include "IPDLUnitTestSubprocess.h"
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() {
gSubprocess->Destroy();
gSubprocess = nullptr;
}
void Done() {
passed(__FILE__);
QuitParent();
}
} // namespace
TestInterruptShutdownRaceParent::TestInterruptShutdownRaceParent() {
MOZ_COUNT_CTOR(TestInterruptShutdownRaceParent);
}
TestInterruptShutdownRaceParent::~TestInterruptShutdownRaceParent() {
MOZ_COUNT_DTOR(TestInterruptShutdownRaceParent);
}
void TestInterruptShutdownRaceParent::Main() {
if (!SendStart()) fail("sending Start");
}
mozilla::ipc::IPCResult TestInterruptShutdownRaceParent::RecvStartDeath() {
// this will be ordered before the OnMaybeDequeueOne event of
// Orphan in the queue
MessageLoop::current()->PostTask(NewNonOwningRunnableMethod(
"_ipdltest::TestInterruptShutdownRaceParent::StartShuttingDown", this,
&TestInterruptShutdownRaceParent::StartShuttingDown));
return IPC_OK();
}
void TestInterruptShutdownRaceParent::StartShuttingDown() {
// NB: we sleep here to try and avoid receiving the Orphan message
// while waiting for the CallExit() reply. if we fail at that, it
// will cause the test to pass spuriously, because there won't be
// an OnMaybeDequeueOne task for Orphan
PR_Sleep(2000);
if (CallExit()) fail("connection was supposed to be interrupted");
Close();
delete static_cast<TestInterruptShutdownRaceParent*>(gParentActor);
gParentActor = nullptr;
XRE_GetIOMessageLoop()->PostTask(
NewRunnableFunction("DeleteSubprocess", DeleteSubprocess));
// this is ordered after the OnMaybeDequeueOne event in the queue
MessageLoop::current()->PostTask(NewRunnableFunction("Done", Done));
// |this| has been deleted, be mindful
}
mozilla::ipc::IPCResult TestInterruptShutdownRaceParent::RecvOrphan() {
// it would be nice to fail() here, but we'll process this message
// while waiting for the reply CallExit(). The OnMaybeDequeueOne
// task will still be in the queue, it just wouldn't have had any
// work to do, if we hadn't deleted ourself
return IPC_OK();
}
//-----------------------------------------------------------------------------
// child
TestInterruptShutdownRaceChild::TestInterruptShutdownRaceChild() {
MOZ_COUNT_CTOR(TestInterruptShutdownRaceChild);
}
TestInterruptShutdownRaceChild::~TestInterruptShutdownRaceChild() {
MOZ_COUNT_DTOR(TestInterruptShutdownRaceChild);
}
mozilla::ipc::IPCResult TestInterruptShutdownRaceChild::RecvStart() {
if (!SendStartDeath()) fail("sending StartDeath");
// See comment in StartShuttingDown(): we want to send Orphan()
// while the parent is in its PR_Sleep()
PR_Sleep(1000);
if (!SendOrphan()) fail("sending Orphan");
return IPC_OK();
}
mozilla::ipc::IPCResult TestInterruptShutdownRaceChild::AnswerExit() {
_exit(0);
MOZ_CRASH("unreached");
}
} // namespace _ipdltest
} // namespace mozilla
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