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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::EpsilonDeadline()| 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/edk/system/simple_dispatcher.h" | |
| 11 | |
| 12 #include <stdint.h> | |
| 13 | |
| 14 #include "base/logging.h" | |
| 15 #include "base/memory/ref_counted.h" | |
| 16 #include "base/memory/scoped_vector.h" | |
| 17 #include "base/synchronization/lock.h" | |
| 18 #include "mojo/edk/system/test_utils.h" | |
| 19 #include "mojo/edk/system/waiter.h" | |
| 20 #include "mojo/edk/system/waiter_test_utils.h" | |
| 21 #include "mojo/public/cpp/system/macros.h" | |
| 22 #include "testing/gtest/include/gtest/gtest.h" | |
| 23 | |
| 24 namespace mojo { | |
| 25 namespace edk { | |
| 26 namespace { | |
| 27 | |
| 28 class MockSimpleDispatcher final : 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 Type GetType() const override { return Type::UNKNOWN; } | |
| 64 | |
| 65 private: | |
| 66 friend class base::RefCountedThreadSafe<MockSimpleDispatcher>; | |
| 67 ~MockSimpleDispatcher() override {} | |
| 68 | |
| 69 scoped_refptr<Dispatcher> CreateEquivalentDispatcherAndCloseImplNoLock() | |
| 70 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 HandleSignalsState GetHandleSignalsStateImplNoLock() const override { | |
| 78 lock().AssertAcquired(); | |
| 79 return state_; | |
| 80 } | |
| 81 | |
| 82 // Protected by |lock()|: | |
| 83 HandleSignalsState state_; | |
| 84 | |
| 85 MOJO_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 uintptr_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->AddAwakable(&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->AddAwakable(&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::EpsilonDeadline()); | |
| 122 EXPECT_EQ(1u, context); | |
| 123 hss = HandleSignalsState(); | |
| 124 d->RemoveAwakable(&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->AddAwakable(&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::EpsilonDeadline()); | |
| 138 EXPECT_EQ(2u, context); | |
| 139 hss = HandleSignalsState(); | |
| 140 d->RemoveAwakable(&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->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 3, nullptr)); | |
| 150 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 151 stopwatch.Start(); | |
| 152 EXPECT_EQ(MOJO_RESULT_OK, w.Wait(2 * test::EpsilonDeadline(), &context)); | |
| 153 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 154 EXPECT_EQ(3u, context); | |
| 155 hss = HandleSignalsState(); | |
| 156 d->RemoveAwakable(&w, &hss); | |
| 157 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 158 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 159 hss.satisfiable_signals); | |
| 160 | |
| 161 // Wait for zero time for writable when not writable (will time out). | |
| 162 w.Init(); | |
| 163 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 164 ASSERT_EQ(MOJO_RESULT_OK, | |
| 165 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 4, nullptr)); | |
| 166 stopwatch.Start(); | |
| 167 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, w.Wait(0, nullptr)); | |
| 168 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 169 hss = HandleSignalsState(); | |
| 170 d->RemoveAwakable(&w, &hss); | |
| 171 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 172 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 173 hss.satisfiable_signals); | |
| 174 | |
| 175 // Wait for non-zero, finite time for writable when not writable (will time | |
| 176 // out). | |
| 177 w.Init(); | |
| 178 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 179 ASSERT_EQ(MOJO_RESULT_OK, | |
| 180 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 5, nullptr)); | |
| 181 stopwatch.Start(); | |
| 182 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, | |
| 183 w.Wait(2 * test::EpsilonDeadline(), nullptr)); | |
| 184 MojoDeadline elapsed = stopwatch.Elapsed(); | |
| 185 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonDeadline()); | |
| 186 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonDeadline()); | |
| 187 hss = HandleSignalsState(); | |
| 188 d->RemoveAwakable(&w, &hss); | |
| 189 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 190 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 191 hss.satisfiable_signals); | |
| 192 | |
| 193 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 194 } | |
| 195 | |
| 196 TEST(SimpleDispatcherTest, BasicUnsatisfiable) { | |
| 197 test::Stopwatch stopwatch; | |
| 198 | |
| 199 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 200 Waiter w; | |
| 201 uintptr_t context = 0; | |
| 202 HandleSignalsState hss; | |
| 203 | |
| 204 // Try adding a writable waiter when it can never be writable. | |
| 205 w.Init(); | |
| 206 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 207 d->SetSatisfiedSignals(0); | |
| 208 hss = HandleSignalsState(); | |
| 209 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 210 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 1, &hss)); | |
| 211 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 212 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 213 // Shouldn't need to remove the waiter (it was not added). | |
| 214 | |
| 215 // Wait (forever) for writable and then it becomes never writable. | |
| 216 w.Init(); | |
| 217 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE | | |
| 218 MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 219 ASSERT_EQ(MOJO_RESULT_OK, | |
| 220 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 2, nullptr)); | |
| 221 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 222 stopwatch.Start(); | |
| 223 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 224 w.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 225 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 226 EXPECT_EQ(2u, context); | |
| 227 hss = HandleSignalsState(); | |
| 228 d->RemoveAwakable(&w, &hss); | |
| 229 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 230 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 231 | |
| 232 // Wait for zero time for writable and then it becomes never writable. | |
| 233 w.Init(); | |
| 234 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE | | |
| 235 MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 236 ASSERT_EQ(MOJO_RESULT_OK, | |
| 237 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 3, nullptr)); | |
| 238 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 239 stopwatch.Start(); | |
| 240 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, w.Wait(0, &context)); | |
| 241 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 242 EXPECT_EQ(3u, context); | |
| 243 hss = HandleSignalsState(); | |
| 244 d->RemoveAwakable(&w, &hss); | |
| 245 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 246 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 247 | |
| 248 // Wait for non-zero, finite time for writable and then it becomes never | |
| 249 // writable. | |
| 250 w.Init(); | |
| 251 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE | | |
| 252 MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 253 ASSERT_EQ(MOJO_RESULT_OK, | |
| 254 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 4, nullptr)); | |
| 255 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 256 stopwatch.Start(); | |
| 257 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 258 w.Wait(2 * test::EpsilonDeadline(), &context)); | |
| 259 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 260 EXPECT_EQ(4u, context); | |
| 261 hss = HandleSignalsState(); | |
| 262 d->RemoveAwakable(&w, &hss); | |
| 263 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 264 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfiable_signals); | |
| 265 | |
| 266 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 267 } | |
| 268 | |
| 269 TEST(SimpleDispatcherTest, BasicClosed) { | |
| 270 test::Stopwatch stopwatch; | |
| 271 | |
| 272 scoped_refptr<MockSimpleDispatcher> d; | |
| 273 Waiter w; | |
| 274 uintptr_t context = 0; | |
| 275 HandleSignalsState hss; | |
| 276 | |
| 277 // Try adding a writable waiter when the dispatcher has been closed. | |
| 278 d = new MockSimpleDispatcher(); | |
| 279 w.Init(); | |
| 280 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 281 hss = HandleSignalsState(); | |
| 282 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | |
| 283 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 1, &hss)); | |
| 284 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 285 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 286 // Shouldn't need to remove the waiter (it was not added). | |
| 287 | |
| 288 // Wait (forever) for writable and then the dispatcher is closed. | |
| 289 d = new MockSimpleDispatcher(); | |
| 290 w.Init(); | |
| 291 ASSERT_EQ(MOJO_RESULT_OK, | |
| 292 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 2, nullptr)); | |
| 293 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 294 stopwatch.Start(); | |
| 295 EXPECT_EQ(MOJO_RESULT_CANCELLED, w.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 296 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 297 EXPECT_EQ(2u, context); | |
| 298 // Don't need to remove waiters from closed dispatchers. | |
| 299 | |
| 300 // Wait for zero time for writable and then the dispatcher is closed. | |
| 301 d = new MockSimpleDispatcher(); | |
| 302 w.Init(); | |
| 303 ASSERT_EQ(MOJO_RESULT_OK, | |
| 304 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 3, nullptr)); | |
| 305 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 306 stopwatch.Start(); | |
| 307 EXPECT_EQ(MOJO_RESULT_CANCELLED, w.Wait(0, &context)); | |
| 308 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 309 EXPECT_EQ(3u, context); | |
| 310 // Don't need to remove waiters from closed dispatchers. | |
| 311 | |
| 312 // Wait for non-zero, finite time for writable and then the dispatcher is | |
| 313 // closed. | |
| 314 d = new MockSimpleDispatcher(); | |
| 315 w.Init(); | |
| 316 ASSERT_EQ(MOJO_RESULT_OK, | |
| 317 d->AddAwakable(&w, MOJO_HANDLE_SIGNAL_WRITABLE, 4, nullptr)); | |
| 318 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 319 stopwatch.Start(); | |
| 320 EXPECT_EQ(MOJO_RESULT_CANCELLED, | |
| 321 w.Wait(2 * test::EpsilonDeadline(), &context)); | |
| 322 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 323 EXPECT_EQ(4u, context); | |
| 324 // Don't need to remove waiters from closed dispatchers. | |
| 325 } | |
| 326 | |
| 327 #if defined(OS_WIN) | |
| 328 // http://crbug.com/396393 | |
| 329 #define MAYBE_BasicThreaded DISABLED_BasicThreaded | |
| 330 #else | |
| 331 #define MAYBE_BasicThreaded BasicThreaded | |
| 332 #endif | |
| 333 TEST(SimpleDispatcherTest, MAYBE_BasicThreaded) { | |
| 334 test::Stopwatch stopwatch; | |
| 335 bool did_wait; | |
| 336 MojoResult result; | |
| 337 uintptr_t context; | |
| 338 HandleSignalsState hss; | |
| 339 | |
| 340 // Wait for readable (already readable). | |
| 341 { | |
| 342 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 343 { | |
| 344 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 345 test::WaiterThread thread(d, MOJO_HANDLE_SIGNAL_READABLE, | |
| 346 MOJO_DEADLINE_INDEFINITE, 1, &did_wait, &result, | |
| 347 &context, &hss); | |
| 348 stopwatch.Start(); | |
| 349 thread.Start(); | |
| 350 } // Joins the thread. | |
| 351 // If we closed earlier, then probably we'd get a |MOJO_RESULT_CANCELLED|. | |
| 352 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 353 } | |
| 354 EXPECT_LT(stopwatch.Elapsed(), test::EpsilonDeadline()); | |
| 355 EXPECT_FALSE(did_wait); | |
| 356 EXPECT_EQ(MOJO_RESULT_ALREADY_EXISTS, result); | |
| 357 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 358 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 359 hss.satisfiable_signals); | |
| 360 | |
| 361 // Wait for readable and becomes readable after some time. | |
| 362 { | |
| 363 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 364 { | |
| 365 test::WaiterThread thread(d, MOJO_HANDLE_SIGNAL_READABLE, | |
| 366 MOJO_DEADLINE_INDEFINITE, 2, &did_wait, &result, | |
| 367 &context, &hss); | |
| 368 stopwatch.Start(); | |
| 369 thread.Start(); | |
| 370 test::Sleep(2 * test::EpsilonDeadline()); | |
| 371 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 372 } // Joins the thread. | |
| 373 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 374 } | |
| 375 MojoDeadline elapsed = stopwatch.Elapsed(); | |
| 376 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonDeadline()); | |
| 377 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonDeadline()); | |
| 378 EXPECT_TRUE(did_wait); | |
| 379 EXPECT_EQ(MOJO_RESULT_OK, result); | |
| 380 EXPECT_EQ(2u, context); | |
| 381 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE, hss.satisfied_signals); | |
| 382 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 383 hss.satisfiable_signals); | |
| 384 | |
| 385 // Wait for readable and becomes never-readable after some time. | |
| 386 { | |
| 387 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 388 { | |
| 389 test::WaiterThread thread(d, MOJO_HANDLE_SIGNAL_READABLE, | |
| 390 MOJO_DEADLINE_INDEFINITE, 3, &did_wait, &result, | |
| 391 &context, &hss); | |
| 392 stopwatch.Start(); | |
| 393 thread.Start(); | |
| 394 test::Sleep(2 * test::EpsilonDeadline()); | |
| 395 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_NONE); | |
| 396 } // Joins the thread. | |
| 397 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 398 } | |
| 399 elapsed = stopwatch.Elapsed(); | |
| 400 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonDeadline()); | |
| 401 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonDeadline()); | |
| 402 EXPECT_TRUE(did_wait); | |
| 403 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result); | |
| 404 EXPECT_EQ(3u, context); | |
| 405 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 406 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 407 | |
| 408 // Wait for readable and dispatcher gets closed. | |
| 409 { | |
| 410 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 411 test::WaiterThread thread(d, MOJO_HANDLE_SIGNAL_READABLE, | |
| 412 MOJO_DEADLINE_INDEFINITE, 4, &did_wait, &result, | |
| 413 &context, &hss); | |
| 414 stopwatch.Start(); | |
| 415 thread.Start(); | |
| 416 test::Sleep(2 * test::EpsilonDeadline()); | |
| 417 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 418 } // Joins the thread. | |
| 419 elapsed = stopwatch.Elapsed(); | |
| 420 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonDeadline()); | |
| 421 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonDeadline()); | |
| 422 EXPECT_TRUE(did_wait); | |
| 423 EXPECT_EQ(MOJO_RESULT_CANCELLED, result); | |
| 424 EXPECT_EQ(4u, context); | |
| 425 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 426 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 427 | |
| 428 // Wait for readable and times out. | |
| 429 { | |
| 430 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 431 { | |
| 432 test::WaiterThread thread(d, MOJO_HANDLE_SIGNAL_READABLE, | |
| 433 2 * test::EpsilonDeadline(), 5, &did_wait, | |
| 434 &result, &context, &hss); | |
| 435 stopwatch.Start(); | |
| 436 thread.Start(); | |
| 437 test::Sleep(1 * test::EpsilonDeadline()); | |
| 438 // Not what we're waiting for. | |
| 439 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_WRITABLE); | |
| 440 } // Joins the thread (after its wait times out). | |
| 441 // If we closed earlier, then probably we'd get a |MOJO_RESULT_CANCELLED|. | |
| 442 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 443 } | |
| 444 elapsed = stopwatch.Elapsed(); | |
| 445 EXPECT_GT(elapsed, (2 - 1) * test::EpsilonDeadline()); | |
| 446 EXPECT_LT(elapsed, (2 + 1) * test::EpsilonDeadline()); | |
| 447 EXPECT_TRUE(did_wait); | |
| 448 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, result); | |
| 449 EXPECT_EQ(MOJO_HANDLE_SIGNAL_WRITABLE, hss.satisfied_signals); | |
| 450 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 451 hss.satisfiable_signals); | |
| 452 } | |
| 453 | |
| 454 #if defined(OS_WIN) | |
| 455 // http://crbug.com/387124 | |
| 456 #define MAYBE_MultipleWaiters DISABLED_MultipleWaiters | |
| 457 #else | |
| 458 #define MAYBE_MultipleWaiters MultipleWaiters | |
| 459 #endif | |
| 460 TEST(SimpleDispatcherTest, MAYBE_MultipleWaiters) { | |
| 461 static const uint32_t kNumWaiters = 20; | |
| 462 | |
| 463 bool did_wait[kNumWaiters]; | |
| 464 MojoResult result[kNumWaiters]; | |
| 465 uintptr_t context[kNumWaiters]; | |
| 466 HandleSignalsState hss[kNumWaiters]; | |
| 467 | |
| 468 // All wait for readable and becomes readable after some time. | |
| 469 { | |
| 470 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 471 ScopedVector<test::WaiterThread> threads; | |
| 472 for (uint32_t i = 0; i < kNumWaiters; i++) { | |
| 473 threads.push_back(new test::WaiterThread( | |
| 474 d, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE, i, | |
| 475 &did_wait[i], &result[i], &context[i], &hss[i])); | |
| 476 threads.back()->Start(); | |
| 477 } | |
| 478 test::Sleep(2 * test::EpsilonDeadline()); | |
| 479 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 480 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 481 } // Joins the threads. | |
| 482 for (uint32_t i = 0; i < kNumWaiters; i++) { | |
| 483 EXPECT_TRUE(did_wait[i]) << i; | |
| 484 EXPECT_EQ(MOJO_RESULT_OK, result[i]) << i; | |
| 485 EXPECT_EQ(i, context[i]) << i; | |
| 486 // Since we closed before joining, we can't say much about what each thread | |
| 487 // saw as the state. | |
| 488 } | |
| 489 | |
| 490 // Some wait for readable, some for writable, and becomes readable after some | |
| 491 // time. | |
| 492 { | |
| 493 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 494 ScopedVector<test::WaiterThread> threads; | |
| 495 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 496 threads.push_back(new test::WaiterThread( | |
| 497 d, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE, i, | |
| 498 &did_wait[i], &result[i], &context[i], &hss[i])); | |
| 499 threads.back()->Start(); | |
| 500 } | |
| 501 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 502 threads.push_back(new test::WaiterThread( | |
| 503 d, MOJO_HANDLE_SIGNAL_WRITABLE, MOJO_DEADLINE_INDEFINITE, i, | |
| 504 &did_wait[i], &result[i], &context[i], &hss[i])); | |
| 505 threads.back()->Start(); | |
| 506 } | |
| 507 test::Sleep(2 * test::EpsilonDeadline()); | |
| 508 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 509 // This will wake up the ones waiting to write. | |
| 510 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 511 } // Joins the threads. | |
| 512 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 513 EXPECT_TRUE(did_wait[i]) << i; | |
| 514 EXPECT_EQ(MOJO_RESULT_OK, result[i]) << i; | |
| 515 EXPECT_EQ(i, context[i]) << i; | |
| 516 // Since we closed before joining, we can't say much about what each thread | |
| 517 // saw as the state. | |
| 518 } | |
| 519 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 520 EXPECT_TRUE(did_wait[i]) << i; | |
| 521 EXPECT_EQ(MOJO_RESULT_CANCELLED, result[i]) << i; | |
| 522 EXPECT_EQ(i, context[i]) << i; | |
| 523 // Since we closed before joining, we can't say much about what each thread | |
| 524 // saw as the state. | |
| 525 } | |
| 526 | |
| 527 // Some wait for readable, some for writable, and becomes readable and | |
| 528 // never-writable after some time. | |
| 529 { | |
| 530 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 531 ScopedVector<test::WaiterThread> threads; | |
| 532 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 533 threads.push_back(new test::WaiterThread( | |
| 534 d, MOJO_HANDLE_SIGNAL_READABLE, MOJO_DEADLINE_INDEFINITE, i, | |
| 535 &did_wait[i], &result[i], &context[i], &hss[i])); | |
| 536 threads.back()->Start(); | |
| 537 } | |
| 538 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 539 threads.push_back(new test::WaiterThread( | |
| 540 d, MOJO_HANDLE_SIGNAL_WRITABLE, MOJO_DEADLINE_INDEFINITE, i, | |
| 541 &did_wait[i], &result[i], &context[i], &hss[i])); | |
| 542 threads.back()->Start(); | |
| 543 } | |
| 544 test::Sleep(1 * test::EpsilonDeadline()); | |
| 545 d->SetSatisfiableSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 546 test::Sleep(1 * test::EpsilonDeadline()); | |
| 547 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 548 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 549 } // Joins the threads. | |
| 550 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 551 EXPECT_TRUE(did_wait[i]) << i; | |
| 552 EXPECT_EQ(MOJO_RESULT_OK, result[i]) << i; | |
| 553 EXPECT_EQ(i, context[i]) << i; | |
| 554 // Since we closed before joining, we can't say much about what each thread | |
| 555 // saw as the state. | |
| 556 } | |
| 557 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 558 EXPECT_TRUE(did_wait[i]) << i; | |
| 559 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, result[i]) << i; | |
| 560 EXPECT_EQ(i, context[i]) << i; | |
| 561 // Since we closed before joining, we can't say much about what each thread | |
| 562 // saw as the state. | |
| 563 } | |
| 564 | |
| 565 // Some wait for readable, some for writable, and becomes readable after some | |
| 566 // time. | |
| 567 { | |
| 568 scoped_refptr<MockSimpleDispatcher> d(new MockSimpleDispatcher()); | |
| 569 ScopedVector<test::WaiterThread> threads; | |
| 570 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 571 threads.push_back(new test::WaiterThread( | |
| 572 d, MOJO_HANDLE_SIGNAL_READABLE, 3 * test::EpsilonDeadline(), i, | |
| 573 &did_wait[i], &result[i], &context[i], &hss[i])); | |
| 574 threads.back()->Start(); | |
| 575 } | |
| 576 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 577 threads.push_back(new test::WaiterThread( | |
| 578 d, MOJO_HANDLE_SIGNAL_WRITABLE, 1 * test::EpsilonDeadline(), i, | |
| 579 &did_wait[i], &result[i], &context[i], &hss[i])); | |
| 580 threads.back()->Start(); | |
| 581 } | |
| 582 test::Sleep(2 * test::EpsilonDeadline()); | |
| 583 d->SetSatisfiedSignals(MOJO_HANDLE_SIGNAL_READABLE); | |
| 584 // All those waiting for writable should have timed out. | |
| 585 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | |
| 586 } // Joins the threads. | |
| 587 for (uint32_t i = 0; i < kNumWaiters / 2; i++) { | |
| 588 EXPECT_TRUE(did_wait[i]) << i; | |
| 589 EXPECT_EQ(MOJO_RESULT_OK, result[i]) << i; | |
| 590 EXPECT_EQ(i, context[i]) << i; | |
| 591 // Since we closed before joining, we can't say much about what each thread | |
| 592 // saw as the state. | |
| 593 } | |
| 594 for (uint32_t i = kNumWaiters / 2; i < kNumWaiters; i++) { | |
| 595 EXPECT_TRUE(did_wait[i]) << i; | |
| 596 EXPECT_EQ(MOJO_RESULT_DEADLINE_EXCEEDED, result[i]) << i; | |
| 597 // Since we closed before joining, we can't say much about what each thread | |
| 598 // saw as the state. | |
| 599 } | |
| 600 } | |
| 601 | |
| 602 // TODO(vtl): Stress test? | |
| 603 | |
| 604 } // namespace | |
| 605 } // namespace edk | |
| 606 } // namespace mojo | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1649633002:
Remove files that are no longer used in the Port EDK. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master