1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/ipc/ipdl/test/cxx/TestRacyInterruptReplies.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,119 @@
1.4 +#include "TestRacyInterruptReplies.h"
1.5 +
1.6 +#include "IPDLUnitTests.h" // fail etc.
1.7 +
1.8 +namespace mozilla {
1.9 +namespace _ipdltest {
1.10 +
1.11 +//-----------------------------------------------------------------------------
1.12 +// parent
1.13 +
1.14 +TestRacyInterruptRepliesParent::TestRacyInterruptRepliesParent() : mReplyNum(0)
1.15 +{
1.16 + MOZ_COUNT_CTOR(TestRacyInterruptRepliesParent);
1.17 +}
1.18 +
1.19 +TestRacyInterruptRepliesParent::~TestRacyInterruptRepliesParent()
1.20 +{
1.21 + MOZ_COUNT_DTOR(TestRacyInterruptRepliesParent);
1.22 +}
1.23 +
1.24 +void
1.25 +TestRacyInterruptRepliesParent::Main()
1.26 +{
1.27 + int replyNum = -1;
1.28 + if (!CallR_(&replyNum))
1.29 + fail("calling R()");
1.30 +
1.31 + if (1 != replyNum)
1.32 + fail("this should have been the first reply to R()");
1.33 +
1.34 + if (!SendChildTest())
1.35 + fail("sending ChildStart");
1.36 +}
1.37 +
1.38 +bool
1.39 +TestRacyInterruptRepliesParent::RecvA_()
1.40 +{
1.41 + int replyNum = -1;
1.42 + // this R() call races with the reply being generated by the other
1.43 + // side to the R() call from Main(). This is a pretty nasty edge
1.44 + // case for which one could argue we're breaking in-order message
1.45 + // delivery, since this side will process the second reply to R()
1.46 + // before the first.
1.47 + if (!CallR_(&replyNum))
1.48 + fail("calling R()");
1.49 +
1.50 + if (2 != replyNum)
1.51 + fail("this should have been the second reply to R()");
1.52 +
1.53 + return true;
1.54 +}
1.55 +
1.56 +bool
1.57 +TestRacyInterruptRepliesParent::Answer_R(int* replyNum)
1.58 +{
1.59 + *replyNum = ++mReplyNum;
1.60 +
1.61 + if (1 == *replyNum)
1.62 + if (!Send_A())
1.63 + fail("sending _A()");
1.64 +
1.65 + return true;
1.66 +}
1.67 +
1.68 +//-----------------------------------------------------------------------------
1.69 +// child
1.70 +
1.71 +TestRacyInterruptRepliesChild::TestRacyInterruptRepliesChild() : mReplyNum(0)
1.72 +{
1.73 + MOZ_COUNT_CTOR(TestRacyInterruptRepliesChild);
1.74 +}
1.75 +
1.76 +TestRacyInterruptRepliesChild::~TestRacyInterruptRepliesChild()
1.77 +{
1.78 + MOZ_COUNT_DTOR(TestRacyInterruptRepliesChild);
1.79 +}
1.80 +
1.81 +bool
1.82 +TestRacyInterruptRepliesChild::AnswerR_(int* replyNum)
1.83 +{
1.84 + *replyNum = ++mReplyNum;
1.85 +
1.86 + if (1 == *replyNum)
1.87 + SendA_();
1.88 +
1.89 + return true;
1.90 +}
1.91 +
1.92 +bool
1.93 +TestRacyInterruptRepliesChild::RecvChildTest()
1.94 +{
1.95 + int replyNum = -1;
1.96 + if (!Call_R(&replyNum))
1.97 + fail("calling R()");
1.98 +
1.99 + if (1 != replyNum)
1.100 + fail("this should have been the first reply to R()");
1.101 +
1.102 + Close();
1.103 +
1.104 + return true;
1.105 +}
1.106 +
1.107 +bool
1.108 +TestRacyInterruptRepliesChild::Recv_A()
1.109 +{
1.110 + int replyNum = -1;
1.111 +
1.112 + if (!Call_R(&replyNum))
1.113 + fail("calling _R()");
1.114 +
1.115 + if (2 != replyNum)
1.116 + fail("this should have been the second reply to R()");
1.117 +
1.118 + return true;
1.119 +}
1.120 +
1.121 +} // namespace _ipdltest
1.122 +} // namespace mozilla
