gecko/ipc/ipdl/test/cxx/TestNestedLoops.cpp
2010-03-18 17:52:34 -05:00

107 lines
2.3 KiB
C++

#include "base/basictypes.h"
#include "nsThreadUtils.h"
#include "TestNestedLoops.h"
#include "IPDLUnitTests.h" // fail etc.
template<>
struct RunnableMethodTraits<mozilla::_ipdltest::TestNestedLoopsParent>
{
static void RetainCallee(mozilla::_ipdltest::TestNestedLoopsParent* obj) { }
static void ReleaseCallee(mozilla::_ipdltest::TestNestedLoopsParent* obj) { }
};
namespace mozilla {
namespace _ipdltest {
//-----------------------------------------------------------------------------
// parent
TestNestedLoopsParent::TestNestedLoopsParent() : mBreakNestedLoop(false)
{
MOZ_COUNT_CTOR(TestNestedLoopsParent);
}
TestNestedLoopsParent::~TestNestedLoopsParent()
{
MOZ_COUNT_DTOR(TestNestedLoopsParent);
}
void
TestNestedLoopsParent::Main()
{
if (!SendStart())
fail("sending Start");
// sigh ... spin for a while to let Nonce arrive
puts(" (sleeping to wait for nonce ... sorry)");
PR_Sleep(5000);
// while waiting for the reply to R, we'll receive Nonce
if (!CallR())
fail("calling R");
Close();
}
bool
TestNestedLoopsParent::RecvNonce()
{
// if we have an OnMaybeDequeueOne waiting for us (we may not, due
// to the inherent race condition in this test, then this event
// must be ordered after it in the queue
MessageLoop::current()->PostTask(
FROM_HERE,
NewRunnableMethod(this, &TestNestedLoopsParent::BreakNestedLoop));
// sigh ... spin for a while to let the reply to R arrive
puts(" (sleeping to wait for reply to R ... sorry)");
PR_Sleep(5000);
// sigh ... we have no idea when code might do this
do {
if (!NS_ProcessNextEvent(nsnull, PR_FALSE))
fail("expected at least one pending event");
} while (!mBreakNestedLoop);
return true;
}
void
TestNestedLoopsParent::BreakNestedLoop()
{
mBreakNestedLoop = true;
}
//-----------------------------------------------------------------------------
// child
TestNestedLoopsChild::TestNestedLoopsChild()
{
MOZ_COUNT_CTOR(TestNestedLoopsChild);
}
TestNestedLoopsChild::~TestNestedLoopsChild()
{
MOZ_COUNT_DTOR(TestNestedLoopsChild);
}
bool
TestNestedLoopsChild::RecvStart()
{
if (!SendNonce())
fail("sending Nonce");
return true;
}
bool
TestNestedLoopsChild::AnswerR()
{
return true;
}
} // namespace _ipdltest
} // namespace mozilla