The Tor Browser: ipc/ipdl/test/cxx/TestNestedLoops.cpp@8bccb770b82d

     1 #include "base/basictypes.h"

     3 #include "nsThreadUtils.h"

     5 #include "TestNestedLoops.h"

     7 #include "IPDLUnitTests.h"      // fail etc.

     9 template<>

    10 struct RunnableMethodTraits<mozilla::_ipdltest::TestNestedLoopsParent>

    11 {

    12     static void RetainCallee(mozilla::_ipdltest::TestNestedLoopsParent* obj) { }

    13     static void ReleaseCallee(mozilla::_ipdltest::TestNestedLoopsParent* obj) { }

    14 };

    16 namespace mozilla {

    17 namespace _ipdltest {

    19 //-----------------------------------------------------------------------------

    20 // parent

    22 TestNestedLoopsParent::TestNestedLoopsParent() : mBreakNestedLoop(false)

    23 {

    24     MOZ_COUNT_CTOR(TestNestedLoopsParent);

    25 }

    27 TestNestedLoopsParent::~TestNestedLoopsParent()

    28 {

    29     MOZ_COUNT_DTOR(TestNestedLoopsParent);

    30 }

    32 void

    33 TestNestedLoopsParent::Main()

    34 {

    35     if (!SendStart())

    36         fail("sending Start");

    38     // sigh ... spin for a while to let Nonce arrive

    39     puts(" (sleeping to wait for nonce ... sorry)");

    40     PR_Sleep(5000);

    42     // while waiting for the reply to R, we'll receive Nonce

    43     if (!CallR())

    44         fail("calling R");

    46     Close();

    47 }

    49 bool

    50 TestNestedLoopsParent::RecvNonce()

    51 {

    52     // if we have an OnMaybeDequeueOne waiting for us (we may not, due

    53     // to the inherent race condition in this test, then this event

    54     // must be ordered after it in the queue

    55     MessageLoop::current()->PostTask(

    56         FROM_HERE,

    57         NewRunnableMethod(this, &TestNestedLoopsParent::BreakNestedLoop));

    59     // sigh ... spin for a while to let the reply to R arrive

    60     puts(" (sleeping to wait for reply to R ... sorry)");

    61     PR_Sleep(5000);

    63     // sigh ... we have no idea when code might do this

    64     do {

    65         if (!NS_ProcessNextEvent(nullptr, false))

    66             fail("expected at least one pending event");

    67     } while (!mBreakNestedLoop);

    69     return true;

    70 }

    72 void

    73 TestNestedLoopsParent::BreakNestedLoop()

    74 {

    75     mBreakNestedLoop = true;

    76 }

    78 //-----------------------------------------------------------------------------

    79 // child

    81 TestNestedLoopsChild::TestNestedLoopsChild()

    82 {

    83     MOZ_COUNT_CTOR(TestNestedLoopsChild);

    84 }

    86 TestNestedLoopsChild::~TestNestedLoopsChild()

    87 {

    88     MOZ_COUNT_DTOR(TestNestedLoopsChild);

    89 }

    91 bool

    92 TestNestedLoopsChild::RecvStart()

    93 {

    94     if (!SendNonce())

    95         fail("sending Nonce");

    96     return true;

    97 }

    99 bool

   100 TestNestedLoopsChild::AnswerR()

   101 {

   102     return true;

   103 }

   105 } // namespace _ipdltest

   106 } // namespace mozilla

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