The Tor Browser / file comparison
comparison: ipc/ipdl/test/cxx/TestRacyInterruptReplies.cpp
ipc/ipdl/test/cxx/TestRacyInterruptReplies.cpp
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
equal
deleted
inserted
replaced
| -1:000000000000 | 0:f9385e12a1b2 |
|---|---|
| 1 #include "TestRacyInterruptReplies.h" | |
| 2 | |
| 3 #include "IPDLUnitTests.h" // fail etc. | |
| 4 | |
| 5 namespace mozilla { | |
| 6 namespace _ipdltest { | |
| 7 | |
| 8 //----------------------------------------------------------------------------- | |
| 9 // parent | |
| 10 | |
| 11 TestRacyInterruptRepliesParent::TestRacyInterruptRepliesParent() : mReplyNum(0) | |
| 12 { | |
| 13 MOZ_COUNT_CTOR(TestRacyInterruptRepliesParent); | |
| 14 } | |
| 15 | |
| 16 TestRacyInterruptRepliesParent::~TestRacyInterruptRepliesParent() | |
| 17 { | |
| 18 MOZ_COUNT_DTOR(TestRacyInterruptRepliesParent); | |
| 19 } | |
| 20 | |
| 21 void | |
| 22 TestRacyInterruptRepliesParent::Main() | |
| 23 { | |
| 24 int replyNum = -1; | |
| 25 if (!CallR_(&replyNum)) | |
| 26 fail("calling R()"); | |
| 27 | |
| 28 if (1 != replyNum) | |
| 29 fail("this should have been the first reply to R()"); | |
| 30 | |
| 31 if (!SendChildTest()) | |
| 32 fail("sending ChildStart"); | |
| 33 } | |
| 34 | |
| 35 bool | |
| 36 TestRacyInterruptRepliesParent::RecvA_() | |
| 37 { | |
| 38 int replyNum = -1; | |
| 39 // this R() call races with the reply being generated by the other | |
| 40 // side to the R() call from Main(). This is a pretty nasty edge | |
| 41 // case for which one could argue we're breaking in-order message | |
| 42 // delivery, since this side will process the second reply to R() | |
| 43 // before the first. | |
| 44 if (!CallR_(&replyNum)) | |
| 45 fail("calling R()"); | |
| 46 | |
| 47 if (2 != replyNum) | |
| 48 fail("this should have been the second reply to R()"); | |
| 49 | |
| 50 return true; | |
| 51 } | |
| 52 | |
| 53 bool | |
| 54 TestRacyInterruptRepliesParent::Answer_R(int* replyNum) | |
| 55 { | |
| 56 *replyNum = ++mReplyNum; | |
| 57 | |
| 58 if (1 == *replyNum) | |
| 59 if (!Send_A()) | |
| 60 fail("sending _A()"); | |
| 61 | |
| 62 return true; | |
| 63 } | |
| 64 | |
| 65 //----------------------------------------------------------------------------- | |
| 66 // child | |
| 67 | |
| 68 TestRacyInterruptRepliesChild::TestRacyInterruptRepliesChild() : mReplyNum(0) | |
| 69 { | |
| 70 MOZ_COUNT_CTOR(TestRacyInterruptRepliesChild); | |
| 71 } | |
| 72 | |
| 73 TestRacyInterruptRepliesChild::~TestRacyInterruptRepliesChild() | |
| 74 { | |
| 75 MOZ_COUNT_DTOR(TestRacyInterruptRepliesChild); | |
| 76 } | |
| 77 | |
| 78 bool | |
| 79 TestRacyInterruptRepliesChild::AnswerR_(int* replyNum) | |
| 80 { | |
| 81 *replyNum = ++mReplyNum; | |
| 82 | |
| 83 if (1 == *replyNum) | |
| 84 SendA_(); | |
| 85 | |
| 86 return true; | |
| 87 } | |
| 88 | |
| 89 bool | |
| 90 TestRacyInterruptRepliesChild::RecvChildTest() | |
| 91 { | |
| 92 int replyNum = -1; | |
| 93 if (!Call_R(&replyNum)) | |
| 94 fail("calling R()"); | |
| 95 | |
| 96 if (1 != replyNum) | |
| 97 fail("this should have been the first reply to R()"); | |
| 98 | |
| 99 Close(); | |
| 100 | |
| 101 return true; | |
| 102 } | |
| 103 | |
| 104 bool | |
| 105 TestRacyInterruptRepliesChild::Recv_A() | |
| 106 { | |
| 107 int replyNum = -1; | |
| 108 | |
| 109 if (!Call_R(&replyNum)) | |
| 110 fail("calling _R()"); | |
| 111 | |
| 112 if (2 != replyNum) | |
| 113 fail("this should have been the second reply to R()"); | |
| 114 | |
| 115 return true; | |
| 116 } | |
| 117 | |
| 118 } // namespace _ipdltest | |
| 119 } // namespace mozilla |
