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comparison: ipc/ipdl/test/cxx/TestInterruptRaces.cpp
ipc/ipdl/test/cxx/TestInterruptRaces.cpp
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- TOR_BUG_3246
- changeset 6
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| -1:000000000000 | 0:ddb7b11ca56b |
|---|---|
| 1 #include "TestInterruptRaces.h" | |
| 2 | |
| 3 #include "IPDLUnitTests.h" // fail etc. | |
| 4 | |
| 5 using mozilla::ipc::MessageChannel; | |
| 6 | |
| 7 template<> | |
| 8 struct RunnableMethodTraits<mozilla::_ipdltest::TestInterruptRacesParent> | |
| 9 { | |
| 10 static void RetainCallee(mozilla::_ipdltest::TestInterruptRacesParent* obj) { } | |
| 11 static void ReleaseCallee(mozilla::_ipdltest::TestInterruptRacesParent* obj) { } | |
| 12 }; | |
| 13 | |
| 14 | |
| 15 namespace mozilla { | |
| 16 namespace _ipdltest { | |
| 17 | |
| 18 ipc::RacyInterruptPolicy | |
| 19 MediateRace(const MessageChannel::Message& parent, | |
| 20 const MessageChannel::Message& child) | |
| 21 { | |
| 22 return (PTestInterruptRaces::Msg_Child__ID == parent.type()) ? | |
| 23 ipc::RIPParentWins : ipc::RIPChildWins; | |
| 24 } | |
| 25 | |
| 26 //----------------------------------------------------------------------------- | |
| 27 // parent | |
| 28 void | |
| 29 TestInterruptRacesParent::Main() | |
| 30 { | |
| 31 if (!SendStart()) | |
| 32 fail("sending Start()"); | |
| 33 } | |
| 34 | |
| 35 bool | |
| 36 TestInterruptRacesParent::RecvStartRace() | |
| 37 { | |
| 38 MessageLoop::current()->PostTask( | |
| 39 FROM_HERE, | |
| 40 NewRunnableMethod(this, &TestInterruptRacesParent::OnRaceTime)); | |
| 41 return true; | |
| 42 } | |
| 43 | |
| 44 void | |
| 45 TestInterruptRacesParent::OnRaceTime() | |
| 46 { | |
| 47 if (!CallRace(&mChildHasReply)) | |
| 48 fail("problem calling Race()"); | |
| 49 | |
| 50 if (!mChildHasReply) | |
| 51 fail("child should have got a reply already"); | |
| 52 | |
| 53 mHasReply = true; | |
| 54 | |
| 55 MessageLoop::current()->PostTask( | |
| 56 FROM_HERE, | |
| 57 NewRunnableMethod(this, &TestInterruptRacesParent::Test2)); | |
| 58 } | |
| 59 | |
| 60 bool | |
| 61 TestInterruptRacesParent::AnswerRace(bool* hasReply) | |
| 62 { | |
| 63 if (mHasReply) | |
| 64 fail("apparently the parent won the Interrupt race!"); | |
| 65 *hasReply = hasReply; | |
| 66 return true; | |
| 67 } | |
| 68 | |
| 69 void | |
| 70 TestInterruptRacesParent::Test2() | |
| 71 { | |
| 72 puts(" passed"); | |
| 73 puts("Test 2"); | |
| 74 | |
| 75 mHasReply = false; | |
| 76 mChildHasReply = false; | |
| 77 | |
| 78 if (!CallStackFrame()) | |
| 79 fail("can't set up a stack frame"); | |
| 80 | |
| 81 puts(" passed"); | |
| 82 | |
| 83 MessageLoop::current()->PostTask( | |
| 84 FROM_HERE, | |
| 85 NewRunnableMethod(this, &TestInterruptRacesParent::Test3)); | |
| 86 } | |
| 87 | |
| 88 bool | |
| 89 TestInterruptRacesParent::AnswerStackFrame() | |
| 90 { | |
| 91 if (!SendWakeup()) | |
| 92 fail("can't wake up the child"); | |
| 93 | |
| 94 if (!CallRace(&mChildHasReply)) | |
| 95 fail("can't set up race condition"); | |
| 96 mHasReply = true; | |
| 97 | |
| 98 if (!mChildHasReply) | |
| 99 fail("child should have got a reply already"); | |
| 100 | |
| 101 return true; | |
| 102 } | |
| 103 | |
| 104 void | |
| 105 TestInterruptRacesParent::Test3() | |
| 106 { | |
| 107 puts("Test 3"); | |
| 108 | |
| 109 if (!CallStackFrame3()) | |
| 110 fail("can't set up a stack frame"); | |
| 111 | |
| 112 puts(" passed"); | |
| 113 | |
| 114 Close(); | |
| 115 } | |
| 116 | |
| 117 bool | |
| 118 TestInterruptRacesParent::AnswerStackFrame3() | |
| 119 { | |
| 120 if (!SendWakeup3()) | |
| 121 fail("can't wake up the child"); | |
| 122 | |
| 123 if (!CallChild()) | |
| 124 fail("can't set up race condition"); | |
| 125 | |
| 126 return true; | |
| 127 } | |
| 128 | |
| 129 bool | |
| 130 TestInterruptRacesParent::AnswerParent() | |
| 131 { | |
| 132 mAnsweredParent = true; | |
| 133 return true; | |
| 134 } | |
| 135 | |
| 136 bool | |
| 137 TestInterruptRacesParent::RecvGetAnsweredParent(bool* answeredParent) | |
| 138 { | |
| 139 *answeredParent = mAnsweredParent; | |
| 140 return true; | |
| 141 } | |
| 142 | |
| 143 //----------------------------------------------------------------------------- | |
| 144 // child | |
| 145 bool | |
| 146 TestInterruptRacesChild::RecvStart() | |
| 147 { | |
| 148 puts("Test 1"); | |
| 149 | |
| 150 if (!SendStartRace()) | |
| 151 fail("problem sending StartRace()"); | |
| 152 | |
| 153 bool dontcare; | |
| 154 if (!CallRace(&dontcare)) | |
| 155 fail("problem calling Race()"); | |
| 156 | |
| 157 mHasReply = true; | |
| 158 return true; | |
| 159 } | |
| 160 | |
| 161 bool | |
| 162 TestInterruptRacesChild::AnswerRace(bool* hasReply) | |
| 163 { | |
| 164 if (!mHasReply) | |
| 165 fail("apparently the child lost the Interrupt race!"); | |
| 166 | |
| 167 *hasReply = mHasReply; | |
| 168 | |
| 169 return true; | |
| 170 } | |
| 171 | |
| 172 bool | |
| 173 TestInterruptRacesChild::AnswerStackFrame() | |
| 174 { | |
| 175 // reset for the second test | |
| 176 mHasReply = false; | |
| 177 | |
| 178 if (!CallStackFrame()) | |
| 179 fail("can't set up stack frame"); | |
| 180 | |
| 181 if (!mHasReply) | |
| 182 fail("should have had reply by now"); | |
| 183 | |
| 184 return true; | |
| 185 } | |
| 186 | |
| 187 bool | |
| 188 TestInterruptRacesChild::RecvWakeup() | |
| 189 { | |
| 190 bool dontcare; | |
| 191 if (!CallRace(&dontcare)) | |
| 192 fail("can't set up race condition"); | |
| 193 | |
| 194 mHasReply = true; | |
| 195 return true; | |
| 196 } | |
| 197 | |
| 198 bool | |
| 199 TestInterruptRacesChild::AnswerStackFrame3() | |
| 200 { | |
| 201 if (!CallStackFrame3()) | |
| 202 fail("can't set up stack frame"); | |
| 203 return true; | |
| 204 } | |
| 205 | |
| 206 bool | |
| 207 TestInterruptRacesChild::RecvWakeup3() | |
| 208 { | |
| 209 if (!CallParent()) | |
| 210 fail("can't set up race condition"); | |
| 211 return true; | |
| 212 } | |
| 213 | |
| 214 bool | |
| 215 TestInterruptRacesChild::AnswerChild() | |
| 216 { | |
| 217 bool parentAnsweredParent; | |
| 218 // the parent is supposed to win the race, which means its | |
| 219 // message, Child(), is supposed to be processed before the | |
| 220 // child's message, Parent() | |
| 221 if (!SendGetAnsweredParent(&parentAnsweredParent)) | |
| 222 fail("sending GetAnsweredParent"); | |
| 223 | |
| 224 if (parentAnsweredParent) | |
| 225 fail("parent was supposed to win the race!"); | |
| 226 | |
| 227 return true; | |
| 228 } | |
| 229 | |
| 230 } // namespace _ipdltest | |
| 231 } // namespace mozilla |
