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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // NOTE(vtl): Some of these tests are inherently flaky (e.g., if run on a | |
| 6 // heavily-loaded system). Sorry. |test::EpsilonTimeout()| may be increased to | |
| 7 // increase tolerance and reduce observed flakiness (though doing so reduces the | |
| 8 // meaningfulness of the test). | |
| 9 | |
| 10 #include "mojo/system/simple_dispatcher.h" | |
| 11 | |
| 12 #include "base/logging.h" | |
| 13 #include "base/macros.h" | |
| 14 #include "base/memory/ref_counted.h" | |
| 15 #include "base/memory/scoped_vector.h" | |
| 16 #include "base/synchronization/lock.h" | |
| 17 #include "base/threading/platform_thread.h" // For |Sleep()|. | |
| 18 #include "base/time/time.h" | |
| 19 #include "mojo/system/test_utils.h" | |
| 20 #include "mojo/system/waiter.h" | |
| 21 #include "mojo/system/waiter_test_utils.h" | |
| 22 #include "testing/gtest/include/gtest/gtest.h" | |
| 23 | |
| 24 namespace mojo { | |
| 25 namespace system { | |
| 26 namespace { | |
| 27 | |
| 28 class MockSimpleDispatcher : public SimpleDispatcher { | |
| 29 public: | |
| 30 MockSimpleDispatcher() | |
| 31 : state_(MOJO_HANDLE_SIGNAL_NONE, | |
| 32 MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE) {} | |
| 33 | |
| 34 void SetSatisfiedSignals(MojoHandleSignals new_satisfied_signals) { | |
| 35 base::AutoLock locker(lock()); | |
| 36 | |
| 37 // Any new signals that are set should be satisfiable. | |
| 38 CHECK_EQ(new_satisfied_signals & ~state_.satisfied_signals, | |
| 39 new_satisfied_signals & ~state_.satisfied_signals & | |
| 40 state_.satisfiable_signals); | |
| 41 | |
| 42 if (new_satisfied_signals == state_.satisfied_signals) | |
| 43 return; | |
| 44 | |
| 45 state_.satisfied_signals = new_satisfied_signals; | |
| 46 HandleSignalsStateChangedNoLock(); | |
| 47 } | |
| 48 | |
| 49 void SetSatisfiableSignals(MojoHandleSignals new_satisfiable_signals) { | |
| 50 base::AutoLock locker(lock()); | |
| 51 | |
| 52 // Satisfied implies satisfiable. | |
| 53 CHECK_EQ(new_satisfiable_signals & state_.satisfied_signals, | |
| 54 state_.satisfied_signals); | |
| 55 | |
| 56 if (new_satisfiable_signals == state_.satisfiable_signals) | |
| 57 return; | |
| 58 | |
| 59 state_.satisfiable_signals = new_satisfiable_signals; | |
| 60 HandleSignalsStateChangedNoLock(); | |
| 61 } | |
| 62 | |
| 63 virtual Type GetType() const override { return kTypeUnknown; } | |
| 64 | |
| 65 private: | |
| 66 friend class base::RefCountedThreadSafe<MockSimpleDispatcher>; | |
| 67 virtual ~MockSimpleDispatcher() {} | |
| 68 | |
| 69 virtual scoped_refptr<Dispatcher> | |
| 70 CreateEquivalentDispatcherAndCloseImplNoLock() override { | |
| 71 scoped_refptr<MockSimpleDispatcher> rv(new MockSimpleDispatcher()); | |
| 72 rv->state_ = state_; | |
| 73 return scoped_refptr<Dispatcher>(rv.get()); | |
| 74 } | |
| 75 | |
| 76 // |Dispatcher| override: | |
| 77 virtual HandleSignalsState GetHandleSignalsStateImplNoLock() const override { | |
| 78 lock().AssertAcquired(); | |
| 79 return state_; | |
| 80 } | |
| 81 | |
| 82 // Protected by |lock()|: | |
| 83 HandleSignalsState state_; | |
| 84 | |
| 85 DISALLOW_COPY_AND_ASSIGN(MockSimpleDispatcher); | |
| 86 }; | |
| 87 | |
| 88 #if defined(OS_WIN) | |
| 89 // http://crbug.com/396404 | |
| 90 #define MAYBE_Basic DISABLED_Basic | |
| 91 #else | |
| 92 #define MAYBE_Basic Basic | |
| 93 #endif | |
| 94 TEST(SimpleDispatcherTest, MAYBE_Basic) { | |
| 95 test::Stopwatch stopwatch; | |
| 96 | |
| 97 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 98 Waiter w; | |
| 99 uint32_t context = 0; | |
| 100 HandleSignalsState hss; | |
| 101 | |
| 102 // Try adding a readable waiter when already readable. | |
| 103 w.Init(); | |
| 104 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 105 hss = HandleSignalsState(); | |
| 106 EXPECT_EQ(MOJO_RESULT_ALREADY_EXISTS, | |
| 107 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_READABLE, 0, &hss)); | |
| 108 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 109 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 110 hss.satisfiable_signals); | |
| 111 // Shouldn't need to remove the waiter (it was not added). | |
| 112 | |
| 113 // Wait (forever) for writable when already writable. | |
| 114 w.Init(); | |
| 115 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 116 ASSERT_EQ(MOJO_RESULT_OK, | |
| 117 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 1, nullptr)); | |
| 118 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 119 stopwatch.Start(); | |
| 120 EXPECT_EQ(MOJO_RESULT_OK, w.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 121 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 122 EXPECT_EQ(1u, context); | |
| 123 hss = HandleSignalsState(); | |
| 124 d->RemoveWaiter(&w, &hss); | |
| 125 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 126 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 127 hss.satisfiable_signals); | |
| 128 | |
| 129 // Wait for zero time for writable when already writable. | |
| 130 w.Init(); | |
| 131 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 132 ASSERT_EQ(MOJO_RESULT_OK, | |
| 133 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 2, nullptr)); | |
| 134 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 135 stopwatch.Start(); | |
| 136 EXPECT_EQ(MOJO_RESULT_OK, w.Wait(0, &context)); | |
| 137 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 138 EXPECT_EQ(2u, context); | |
| 139 hss = HandleSignalsState(); | |
| 140 d->RemoveWaiter(&w, &hss); | |
| 141 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 142 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 143 hss.satisfiable_signals); | |
| 144 | |
| 145 // Wait for non-zero, finite time for writable when already writable. | |
| 146 w.Init(); | |
| 147 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 148 ASSERT_EQ(MOJO_RESULT_OK, | |
| 149 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 3, nullptr)); | |
| 150 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 151 stopwatch.Start(); | |
| 152 EXPECT_EQ(MOJO_RESULT_OK, | |
| 153 w.Wait(2 * test::EpsilonTimeout().InMicroseconds(), &context)); | |
| 154 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 155 EXPECT_EQ(3u, context); | |
| 156 hss = HandleSignalsState(); | |
| 157 d->RemoveWaiter(&w, &hss); | |
| 158 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 159 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 160 hss.satisfiable_signals); | |
| 161 | |
| 162 // Wait for zero time for writable when not writable (will time out). | |
| 163 w.Init(); | |
| 164 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 165 ASSERT_EQ(MOJO_RESULT_OK, | |
| 166 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 4, nullptr)); | |
| 167 stopwatch.Start(); | |
| 168 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, w.Wait(0, nullptr)); | |
| 169 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 170 hss = HandleSignalsState(); | |
| 171 d->RemoveWaiter(&w, &hss); | |
| 172 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 173 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 174 hss.satisfiable_signals); | |
| 175 | |
| 176 // Wait for non-zero, finite time for writable when not writable (will time | |
| 177 // out). | |
| 178 w.Init(); | |
| 179 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 180 ASSERT_EQ(MOJO_RESULT_OK, | |
| 181 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 5, nullptr)); | |
| 182 stopwatch.Start(); | |
| 183 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 184 w.Wait(2 * test::EpsilonTimeout().InMicroseconds(), nullptr)); | |
| 185 base::TimeDelta elapsed = stopwatch.Elapsed(); | |
| 186 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonTimeout()); | |
| 187 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonTimeout()); | |
| 188 hss = HandleSignalsState(); | |
| 189 d->RemoveWaiter(&w, &hss); | |
| 190 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 191 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 192 hss.satisfiable_signals); | |
| 193 | |
| 194 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 195 } | |
| 196 | |
| 197 TEST(SimpleDispatcherTest, BasicUnsatisfiable) { | |
| 198 test::Stopwatch stopwatch; | |
| 199 | |
| 200 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 201 Waiter w; | |
| 202 uint32_t context = 0; | |
| 203 HandleSignalsState hss; | |
| 204 | |
| 205 // Try adding a writable waiter when it can never be writable. | |
| 206 w.Init(); | |
| 207 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 208 d->SetSatisfiedSignals(0); | |
| 209 hss = HandleSignalsState(); | |
| 210 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 211 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 1, &hss)); | |
| 212 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 213 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 214 // Shouldn't need to remove the waiter (it was not added). | |
| 215 | |
| 216 // Wait (forever) for writable and then it becomes never writable. | |
| 217 w.Init(); | |
| 218 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE | | |
| 219 MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 220 ASSERT_EQ(MOJO_RESULT_OK, | |
| 221 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 2, nullptr)); | |
| 222 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 223 stopwatch.Start(); | |
| 224 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 225 w.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 226 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 227 EXPECT_EQ(2u, context); | |
| 228 hss = HandleSignalsState(); | |
| 229 d->RemoveWaiter(&w, &hss); | |
| 230 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 231 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 232 | |
| 233 // Wait for zero time for writable and then it becomes never writable. | |
| 234 w.Init(); | |
| 235 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE | | |
| 236 MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 237 ASSERT_EQ(MOJO_RESULT_OK, | |
| 238 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 3, nullptr)); | |
| 239 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 240 stopwatch.Start(); | |
| 241 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, w.Wait(0, &context)); | |
| 242 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 243 EXPECT_EQ(3u, context); | |
| 244 hss = HandleSignalsState(); | |
| 245 d->RemoveWaiter(&w, &hss); | |
| 246 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 247 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 248 | |
| 249 // Wait for non-zero, finite time for writable and then it becomes never | |
| 250 // writable. | |
| 251 w.Init(); | |
| 252 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE | | |
| 253 MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 254 ASSERT_EQ(MOJO_RESULT_OK, | |
| 255 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 4, nullptr)); | |
| 256 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 257 stopwatch.Start(); | |
| 258 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 259 w.Wait(2 * test::EpsilonTimeout().InMicroseconds(), &context)); | |
| 260 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 261 EXPECT_EQ(4u, context); | |
| 262 hss = HandleSignalsState(); | |
| 263 d->RemoveWaiter(&w, &hss); | |
| 264 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 265 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 266 | |
| 267 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 268 } | |
| 269 | |
| 270 TEST(SimpleDispatcherTest, BasicClosed) { | |
| 271 test::Stopwatch stopwatch; | |
| 272 | |
| 273 scoped_refptr<MockSimpleDispatcher> d; | |
| 274 Waiter w; | |
| 275 uint32_t context = 0; | |
| 276 HandleSignalsState hss; | |
| 277 | |
| 278 // Try adding a writable waiter when the dispatcher has been closed. | |
| 279 d = new MockSimpleDispatcher(); | |
| 280 w.Init(); | |
| 281 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 282 hss = HandleSignalsState(); | |
| 283 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 284 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 1, &hss)); | |
| 285 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 286 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 287 // Shouldn't need to remove the waiter (it was not added). | |
| 288 | |
| 289 // Wait (forever) for writable and then the dispatcher is closed. | |
| 290 d = new MockSimpleDispatcher(); | |
| 291 w.Init(); | |
| 292 ASSERT_EQ(MOJO_RESULT_OK, | |
| 293 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 2, nullptr)); | |
| 294 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 295 stopwatch.Start(); | |
| 296 EXPECT_EQ(MOJO_RESULT_CANCELLED, w.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 297 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 298 EXPECT_EQ(2u, context); | |
| 299 // Don't need to remove waiters from closed dispatchers. | |
| 300 | |
| 301 // Wait for zero time for writable and then the dispatcher is closed. | |
| 302 d = new MockSimpleDispatcher(); | |
| 303 w.Init(); | |
| 304 ASSERT_EQ(MOJO_RESULT_OK, | |
| 305 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 3, nullptr)); | |
| 306 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 307 stopwatch.Start(); | |
| 308 EXPECT_EQ(MOJO_RESULT_CANCELLED, w.Wait(0, &context)); | |
| 309 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 310 EXPECT_EQ(3u, context); | |
| 311 // Don't need to remove waiters from closed dispatchers. | |
| 312 | |
| 313 // Wait for non-zero, finite time for writable and then the dispatcher is | |
| 314 // closed. | |
| 315 d = new MockSimpleDispatcher(); | |
| 316 w.Init(); | |
| 317 ASSERT_EQ(MOJO_RESULT_OK, | |
| 318 d->AddWaiter(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 4, nullptr)); | |
| 319 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 320 stopwatch.Start(); | |
| 321 EXPECT_EQ(MOJO_RESULT_CANCELLED, | |
| 322 w.Wait(2 * test::EpsilonTimeout().InMicroseconds(), &context)); | |
| 323 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 324 EXPECT_EQ(4u, context); | |
| 325 // Don't need to remove waiters from closed dispatchers. | |
| 326 } | |
| 327 | |
| 328 #if defined(OS_WIN) | |
| 329 // http://crbug.com/396393 | |
| 330 #define MAYBE_BasicThreaded DISABLED_BasicThreaded | |
| 331 #else | |
| 332 #define MAYBE_BasicThreaded BasicThreaded | |
| 333 #endif | |
| 334 TEST(SimpleDispatcherTest, MAYBE_BasicThreaded) { | |
| 335 test::Stopwatch stopwatch; | |
| 336 bool did_wait; | |
| 337 MojoResult result; | |
| 338 uint32_t context; | |
| 339 HandleSignalsState hss; | |
| 340 | |
| 341 // Wait for readable (already readable). | |
| 342 { | |
| 343 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 344 { | |
| 345 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 346 test::WaiterThread thread(d, | |
| 347 MOJO_HANDLE_SIGNAL_READABLE, | |
| 348 MOJO_DEADLINE_INDEFINITE, | |
| 349 1, | |
| 350 &did_wait, | |
| 351 &result, | |
| 352 &context, | |
| 353 &hss); | |
| 354 stopwatch.Start(); | |
| 355 thread.Start(); | |
| 356 } // Joins the thread. | |
| 357 // If we closed earlier, then probably we'd get a |MOJO_RESULT_CANCELLED|. | |
| 358 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 359 } | |
| 360 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonTimeout()); | |
| 361 EXPECT_FALSE(did_wait); | |
| 362 EXPECT_EQ(MOJO_RESULT_ALREADY_EXISTS, result); | |
| 363 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 364 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 365 hss.satisfiable_signals); | |
| 366 | |
| 367 // Wait for readable and becomes readable after some time. | |
| 368 { | |
| 369 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 370 { | |
| 371 test::WaiterThread thread(d, | |
| 372 MOJO_HANDLE_SIGNAL_READABLE, | |
| 373 MOJO_DEADLINE_INDEFINITE, | |
| 374 2, | |
| 375 &did_wait, | |
| 376 &result, | |
| 377 &context, | |
| 378 &hss); | |
| 379 stopwatch.Start(); | |
| 380 thread.Start(); | |
| 381 base::PlatformThread::Sleep(2 * test::EpsilonTimeout()); | |
| 382 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 383 } // Joins the thread. | |
| 384 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 385 } | |
| 386 base::TimeDelta elapsed = stopwatch.Elapsed(); | |
| 387 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonTimeout()); | |
| 388 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonTimeout()); | |
| 389 EXPECT_TRUE(did_wait); | |
| 390 EXPECT_EQ(MOJO_RESULT_OK, result); | |
| 391 EXPECT_EQ(2u, context); | |
| 392 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 393 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 394 hss.satisfiable_signals); | |
| 395 | |
| 396 // Wait for readable and becomes never-readable after some time. | |
| 397 { | |
| 398 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 399 { | |
| 400 test::WaiterThread thread(d, | |
| 401 MOJO_HANDLE_SIGNAL_READABLE, | |
| 402 MOJO_DEADLINE_INDEFINITE, | |
| 403 3, | |
| 404 &did_wait, | |
| 405 &result, | |
| 406 &context, | |
| 407 &hss); | |
| 408 stopwatch.Start(); | |
| 409 thread.Start(); | |
| 410 base::PlatformThread::Sleep(2 * test::EpsilonTimeout()); | |
| 411 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_NONE); | |
| 412 } // Joins the thread. | |
| 413 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 414 } | |
| 415 elapsed = stopwatch.Elapsed(); | |
| 416 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonTimeout()); | |
| 417 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonTimeout()); | |
| 418 EXPECT_TRUE(did_wait); | |
| 419 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result); | |
| 420 EXPECT_EQ(3u, context); | |
| 421 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 422 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 423 | |
| 424 // Wait for readable and dispatcher gets closed. | |
| 425 { | |
| 426 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 427 test::WaiterThread thread(d, | |
| 428 MOJO_HANDLE_SIGNAL_READABLE, | |
| 429 MOJO_DEADLINE_INDEFINITE, | |
| 430 4, | |
| 431 &did_wait, | |
| 432 &result, | |
| 433 &context, | |
| 434 &hss); | |
| 435 stopwatch.Start(); | |
| 436 thread.Start(); | |
| 437 base::PlatformThread::Sleep(2 * test::EpsilonTimeout()); | |
| 438 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 439 } // Joins the thread. | |
| 440 elapsed = stopwatch.Elapsed(); | |
| 441 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonTimeout()); | |
| 442 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonTimeout()); | |
| 443 EXPECT_TRUE(did_wait); | |
| 444 EXPECT_EQ(MOJO_RESULT_CANCELLED, result); | |
| 445 EXPECT_EQ(4u, context); | |
| 446 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 447 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 448 | |
| 449 // Wait for readable and times out. | |
| 450 { | |
| 451 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 452 { | |
| 453 test::WaiterThread thread(d, | |
| 454 MOJO_HANDLE_SIGNAL_READABLE, | |
| 455 2 * test::EpsilonTimeout().InMicroseconds(), | |
| 456 5, | |
| 457 &did_wait, | |
| 458 &result, | |
| 459 &context, | |
| 460 &hss); | |
| 461 stopwatch.Start(); | |
| 462 thread.Start(); | |
| 463 base::PlatformThread::Sleep(1 * test::EpsilonTimeout()); | |
| 464 // Not what we're waiting for. | |
| 465 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 466 } // Joins the thread (after its wait times out). | |
| 467 // If we closed earlier, then probably we'd get a |MOJO_RESULT_CANCELLED|. | |
| 468 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 469 } | |
| 470 elapsed = stopwatch.Elapsed(); | |
| 471 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonTimeout()); | |
| 472 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonTimeout()); | |
| 473 EXPECT_TRUE(did_wait); | |
| 474 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, result); | |
| 475 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 476 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 477 hss.satisfiable_signals); | |
| 478 } | |
| 479 | |
| 480 #if defined(OS_WIN) | |
| 481 // http://crbug.com/387124 | |
| 482 #define MAYBE_MultipleWaiters DISABLED_MultipleWaiters | |
| 483 #else | |
| 484 #define MAYBE_MultipleWaiters MultipleWaiters | |
| 485 #endif | |
| 486 TEST(SimpleDispatcherTest, MAYBE_MultipleWaiters) { | |
| 487 static const uint32_t kNumWaiters = 20; | |
| 488 | |
| 489 bool did_wait[kNumWaiters]; | |
| 490 MojoResult result[kNumWaiters]; | |
| 491 uint32_t context[kNumWaiters]; | |
| 492 HandleSignalsState hss[kNumWaiters]; | |
| 493 | |
| 494 // All wait for readable and becomes readable after some time. | |
| 495 { | |
| 496 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 497 ScopedVector<test::WaiterThread> threads; | |
| 498 for (uint32_t i = 0; i < kNumWaiters; i++) { | |
| 499 threads.push_back(new test::WaiterThread(d, | |
| 500 MOJO_HANDLE_SIGNAL_READABLE, | |
| 501 MOJO_DEADLINE_INDEFINITE, | |
| 502 i, | |
| 503 &did_wait[i], | |
| 504 &result[i], | |
| 505 &context[i], | |
| 506 &hss[i])); | |
| 507 threads.back()->Start(); | |
| 508 } | |
| 509 base::PlatformThread::Sleep(2 * test::EpsilonTimeout()); | |
| 510 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 511 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 512 } // Joins the threads. | |
| 513 for (uint32_t i = 0; i < kNumWaiters; i++) { | |
| 514 EXPECT_TRUE(did_wait[i]) << i; | |
| 515 EXPECT_EQ(MOJO_RESULT_OK, result[i]) << i; | |
| 516 EXPECT_EQ(i, context[i]) << i; | |
| 517 // Since we closed before joining, we can't say much about what each thread | |
| 518 // saw as the state. | |
| 519 } | |
| 520 | |
| 521 // Some wait for readable, some for writable, and becomes readable after some | |
| 522 // time. | |
| 523 { | |
| 524 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 525 ScopedVector<test::WaiterThread> threads; | |
| 526 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 527 threads.push_back(new test::WaiterThread(d, | |
| 528 MOJO_HANDLE_SIGNAL_READABLE, | |
| 529 MOJO_DEADLINE_INDEFINITE, | |
| 530 i, | |
| 531 &did_wait[i], | |
| 532 &result[i], | |
| 533 &context[i], | |
| 534 &hss[i])); | |
| 535 threads.back()->Start(); | |
| 536 } | |
| 537 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 538 threads.push_back(new test::WaiterThread(d, | |
| 539 MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 540 MOJO_DEADLINE_INDEFINITE, | |
| 541 i, | |
| 542 &did_wait[i], | |
| 543 &result[i], | |
| 544 &context[i], | |
| 545 &hss[i])); | |
| 546 threads.back()->Start(); | |
| 547 } | |
| 548 base::PlatformThread::Sleep(2 * test::EpsilonTimeout()); | |
| 549 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 550 // This will wake up the ones waiting to write. | |
| 551 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 552 } // Joins the threads. | |
| 553 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 554 EXPECT_TRUE(did_wait[i]) << i; | |
| 555 EXPECT_EQ(MOJO_RESULT_OK, result[i]) << i; | |
| 556 EXPECT_EQ(i, context[i]) << i; | |
| 557 // Since we closed before joining, we can't say much about what each thread | |
| 558 // saw as the state. | |
| 559 } | |
| 560 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 561 EXPECT_TRUE(did_wait[i]) << i; | |
| 562 EXPECT_EQ(MOJO_RESULT_CANCELLED, result[i]) << i; | |
| 563 EXPECT_EQ(i, context[i]) << i; | |
| 564 // Since we closed before joining, we can't say much about what each thread | |
| 565 // saw as the state. | |
| 566 } | |
| 567 | |
| 568 // Some wait for readable, some for writable, and becomes readable and | |
| 569 // never-writable after some time. | |
| 570 { | |
| 571 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 572 ScopedVector<test::WaiterThread> threads; | |
| 573 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 574 threads.push_back(new test::WaiterThread(d, | |
| 575 MOJO_HANDLE_SIGNAL_READABLE, | |
| 576 MOJO_DEADLINE_INDEFINITE, | |
| 577 i, | |
| 578 &did_wait[i], | |
| 579 &result[i], | |
| 580 &context[i], | |
| 581 &hss[i])); | |
| 582 threads.back()->Start(); | |
| 583 } | |
| 584 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 585 threads.push_back(new test::WaiterThread(d, | |
| 586 MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 587 MOJO_DEADLINE_INDEFINITE, | |
| 588 i, | |
| 589 &did_wait[i], | |
| 590 &result[i], | |
| 591 &context[i], | |
| 592 &hss[i])); | |
| 593 threads.back()->Start(); | |
| 594 } | |
| 595 base::PlatformThread::Sleep(1 * test::EpsilonTimeout()); | |
| 596 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 597 base::PlatformThread::Sleep(1 * test::EpsilonTimeout()); | |
| 598 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 599 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 600 } // Joins the threads. | |
| 601 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 602 EXPECT_TRUE(did_wait[i]) << i; | |
| 603 EXPECT_EQ(MOJO_RESULT_OK, result[i]) << i; | |
| 604 EXPECT_EQ(i, context[i]) << i; | |
| 605 // Since we closed before joining, we can't say much about what each thread | |
| 606 // saw as the state. | |
| 607 } | |
| 608 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 609 EXPECT_TRUE(did_wait[i]) << i; | |
| 610 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result[i]) << i; | |
| 611 EXPECT_EQ(i, context[i]) << i; | |
| 612 // Since we closed before joining, we can't say much about what each thread | |
| 613 // saw as the state. | |
| 614 } | |
| 615 | |
| 616 // Some wait for readable, some for writable, and becomes readable after some | |
| 617 // time. | |
| 618 { | |
| 619 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 620 ScopedVector<test::WaiterThread> threads; | |
| 621 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 622 threads.push_back( | |
| 623 new test::WaiterThread(d, | |
| 624 MOJO_HANDLE_SIGNAL_READABLE, | |
| 625 3 * test::EpsilonTimeout().InMicroseconds(), | |
| 626 i, | |
| 627 &did_wait[i], | |
| 628 &result[i], | |
| 629 &context[i], | |
| 630 &hss[i])); | |
| 631 threads.back()->Start(); | |
| 632 } | |
| 633 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 634 threads.push_back( | |
| 635 new test::WaiterThread(d, | |
| 636 MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 637 1 * test::EpsilonTimeout().InMicroseconds(), | |
| 638 i, | |
| 639 &did_wait[i], | |
| 640 &result[i], | |
| 641 &context[i], | |
| 642 &hss[i])); | |
| 643 threads.back()->Start(); | |
| 644 } | |
| 645 base::PlatformThread::Sleep(2 * test::EpsilonTimeout()); | |
| 646 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 647 // All those waiting for writable should have timed out. | |
| 648 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 649 } // Joins the threads. | |
| 650 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 651 EXPECT_TRUE(did_wait[i]) << i; | |
| 652 EXPECT_EQ(MOJO_RESULT_OK, result[i]) << i; | |
| 653 EXPECT_EQ(i, context[i]) << i; | |
| 654 // Since we closed before joining, we can't say much about what each thread | |
| 655 // saw as the state. | |
| 656 } | |
| 657 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 658 EXPECT_TRUE(did_wait[i]) << i; | |
| 659 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, result[i]) << i; | |
| 660 // Since we closed before joining, we can't say much about what each thread | |
| 661 // saw as the state. | |
| 662 } | |
| 663 } | |
| 664 | |
| 665 // TODO(vtl): Stress test? | |
| 666 | |
| 667 } // namespace | |
| 668 } // namespace system | |
| 669 } // namespace mojo | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 621153003:
Move mojo edk into mojo/edk (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master