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| 1 /* | |
| 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include <memory> | |
| 12 | |
| 13 #include "webrtc/base/asyncinvoker.h" | |
| 14 #include "webrtc/base/asyncudpsocket.h" | |
| 15 #include "webrtc/base/event.h" | |
| 16 #include "webrtc/base/gunit.h" | |
| 17 #include "webrtc/base/physicalsocketserver.h" | |
| 18 #include "webrtc/base/sigslot.h" | |
| 19 #include "webrtc/base/socketaddress.h" | |
| 20 #include "webrtc/base/thread.h" | |
| 21 | |
| 22 #if defined(WEBRTC_WIN) | |
| 23 #include <comdef.h> // NOLINT | |
| 24 #endif | |
| 25 | |
| 26 using namespace rtc; | |
| 27 | |
| 28 // Generates a sequence of numbers (collaboratively). | |
| 29 class TestGenerator { | |
| 30 public: | |
| 31 TestGenerator() : last(0), count(0) {} | |
| 32 | |
| 33 int Next(int prev) { | |
| 34 int result = prev + last; | |
| 35 last = result; | |
| 36 count += 1; | |
| 37 return result; | |
| 38 } | |
| 39 | |
| 40 int last; | |
| 41 int count; | |
| 42 }; | |
| 43 | |
| 44 struct TestMessage : public MessageData { | |
| 45 explicit TestMessage(int v) : value(v) {} | |
| 46 virtual ~TestMessage() {} | |
| 47 | |
| 48 int value; | |
| 49 }; | |
| 50 | |
| 51 // Receives on a socket and sends by posting messages. | |
| 52 class SocketClient : public TestGenerator, public sigslot::has_slots<> { | |
| 53 public: | |
| 54 SocketClient(AsyncSocket* socket, const SocketAddress& addr, | |
| 55 Thread* post_thread, MessageHandler* phandler) | |
| 56 : socket_(AsyncUDPSocket::Create(socket, addr)), | |
| 57 post_thread_(post_thread), | |
| 58 post_handler_(phandler) { | |
| 59 socket_->SignalReadPacket.connect(this, &SocketClient::OnPacket); | |
| 60 } | |
| 61 | |
| 62 ~SocketClient() { | |
| 63 delete socket_; | |
| 64 } | |
| 65 | |
| 66 SocketAddress address() const { return socket_->GetLocalAddress(); } | |
| 67 | |
| 68 void OnPacket(AsyncPacketSocket* socket, const char* buf, size_t size, | |
| 69 const SocketAddress& remote_addr, | |
| 70 const PacketTime& packet_time) { | |
| 71 EXPECT_EQ(size, sizeof(uint32_t)); | |
| 72 uint32_t prev = reinterpret_cast<const uint32_t*>(buf)[0]; | |
| 73 uint32_t result = Next(prev); | |
| 74 | |
| 75 post_thread_->PostDelayed(RTC_FROM_HERE, 200, post_handler_, 0, | |
| 76 new TestMessage(result)); | |
| 77 } | |
| 78 | |
| 79 private: | |
| 80 AsyncUDPSocket* socket_; | |
| 81 Thread* post_thread_; | |
| 82 MessageHandler* post_handler_; | |
| 83 }; | |
| 84 | |
| 85 // Receives messages and sends on a socket. | |
| 86 class MessageClient : public MessageHandler, public TestGenerator { | |
| 87 public: | |
| 88 MessageClient(Thread* pth, Socket* socket) | |
| 89 : socket_(socket) { | |
| 90 } | |
| 91 | |
| 92 virtual ~MessageClient() { | |
| 93 delete socket_; | |
| 94 } | |
| 95 | |
| 96 virtual void OnMessage(Message *pmsg) { | |
| 97 TestMessage* msg = static_cast<TestMessage*>(pmsg->pdata); | |
| 98 int result = Next(msg->value); | |
| 99 EXPECT_GE(socket_->Send(&result, sizeof(result)), 0); | |
| 100 delete msg; | |
| 101 } | |
| 102 | |
| 103 private: | |
| 104 Socket* socket_; | |
| 105 }; | |
| 106 | |
| 107 class CustomThread : public rtc::Thread { | |
| 108 public: | |
| 109 CustomThread() {} | |
| 110 virtual ~CustomThread() { Stop(); } | |
| 111 bool Start() { return false; } | |
| 112 | |
| 113 bool WrapCurrent() { | |
| 114 return Thread::WrapCurrent(); | |
| 115 } | |
| 116 void UnwrapCurrent() { | |
| 117 Thread::UnwrapCurrent(); | |
| 118 } | |
| 119 }; | |
| 120 | |
| 121 | |
| 122 // A thread that does nothing when it runs and signals an event | |
| 123 // when it is destroyed. | |
| 124 class SignalWhenDestroyedThread : public Thread { | |
| 125 public: | |
| 126 SignalWhenDestroyedThread(Event* event) | |
| 127 : event_(event) { | |
| 128 } | |
| 129 | |
| 130 virtual ~SignalWhenDestroyedThread() { | |
| 131 Stop(); | |
| 132 event_->Set(); | |
| 133 } | |
| 134 | |
| 135 virtual void Run() { | |
| 136 // Do nothing. | |
| 137 } | |
| 138 | |
| 139 private: | |
| 140 Event* event_; | |
| 141 }; | |
| 142 | |
| 143 // A bool wrapped in a mutex, to avoid data races. Using a volatile | |
| 144 // bool should be sufficient for correct code ("eventual consistency" | |
| 145 // between caches is sufficient), but we can't tell the compiler about | |
| 146 // that, and then tsan complains about a data race. | |
| 147 | |
| 148 // See also discussion at | |
| 149 // http://stackoverflow.com/questions/7223164/is-mutex-needed-to-synchronize-a-s
imple-flag-between-pthreads | |
| 150 | |
| 151 // Using std::atomic<bool> or std::atomic_flag in C++11 is probably | |
| 152 // the right thing to do, but those features are not yet allowed. Or | |
| 153 // rtc::AtomicInt, if/when that is added. Since the use isn't | |
| 154 // performance critical, use a plain critical section for the time | |
| 155 // being. | |
| 156 | |
| 157 class AtomicBool { | |
| 158 public: | |
| 159 explicit AtomicBool(bool value = false) : flag_(value) {} | |
| 160 AtomicBool& operator=(bool value) { | |
| 161 CritScope scoped_lock(&cs_); | |
| 162 flag_ = value; | |
| 163 return *this; | |
| 164 } | |
| 165 bool get() const { | |
| 166 CritScope scoped_lock(&cs_); | |
| 167 return flag_; | |
| 168 } | |
| 169 | |
| 170 private: | |
| 171 CriticalSection cs_; | |
| 172 bool flag_; | |
| 173 }; | |
| 174 | |
| 175 // Function objects to test Thread::Invoke. | |
| 176 struct FunctorA { | |
| 177 int operator()() { return 42; } | |
| 178 }; | |
| 179 class FunctorB { | |
| 180 public: | |
| 181 explicit FunctorB(AtomicBool* flag) : flag_(flag) {} | |
| 182 void operator()() { if (flag_) *flag_ = true; } | |
| 183 private: | |
| 184 AtomicBool* flag_; | |
| 185 }; | |
| 186 struct FunctorC { | |
| 187 int operator()() { | |
| 188 Thread::Current()->ProcessMessages(50); | |
| 189 return 24; | |
| 190 } | |
| 191 }; | |
| 192 | |
| 193 // See: https://code.google.com/p/webrtc/issues/detail?id=2409 | |
| 194 TEST(ThreadTest, DISABLED_Main) { | |
| 195 const SocketAddress addr("127.0.0.1", 0); | |
| 196 | |
| 197 // Create the messaging client on its own thread. | |
| 198 Thread th1; | |
| 199 Socket* socket = th1.socketserver()->CreateAsyncSocket(addr.family(), | |
| 200 SOCK_DGRAM); | |
| 201 MessageClient msg_client(&th1, socket); | |
| 202 | |
| 203 // Create the socket client on its own thread. | |
| 204 Thread th2; | |
| 205 AsyncSocket* asocket = | |
| 206 th2.socketserver()->CreateAsyncSocket(addr.family(), SOCK_DGRAM); | |
| 207 SocketClient sock_client(asocket, addr, &th1, &msg_client); | |
| 208 | |
| 209 socket->Connect(sock_client.address()); | |
| 210 | |
| 211 th1.Start(); | |
| 212 th2.Start(); | |
| 213 | |
| 214 // Get the messages started. | |
| 215 th1.PostDelayed(RTC_FROM_HERE, 100, &msg_client, 0, new TestMessage(1)); | |
| 216 | |
| 217 // Give the clients a little while to run. | |
| 218 // Messages will be processed at 100, 300, 500, 700, 900. | |
| 219 Thread* th_main = Thread::Current(); | |
| 220 th_main->ProcessMessages(1000); | |
| 221 | |
| 222 // Stop the sending client. Give the receiver a bit longer to run, in case | |
| 223 // it is running on a machine that is under load (e.g. the build machine). | |
| 224 th1.Stop(); | |
| 225 th_main->ProcessMessages(200); | |
| 226 th2.Stop(); | |
| 227 | |
| 228 // Make sure the results were correct | |
| 229 EXPECT_EQ(5, msg_client.count); | |
| 230 EXPECT_EQ(34, msg_client.last); | |
| 231 EXPECT_EQ(5, sock_client.count); | |
| 232 EXPECT_EQ(55, sock_client.last); | |
| 233 } | |
| 234 | |
| 235 // Test that setting thread names doesn't cause a malfunction. | |
| 236 // There's no easy way to verify the name was set properly at this time. | |
| 237 TEST(ThreadTest, Names) { | |
| 238 // Default name | |
| 239 Thread *thread; | |
| 240 thread = new Thread(); | |
| 241 EXPECT_TRUE(thread->Start()); | |
| 242 thread->Stop(); | |
| 243 delete thread; | |
| 244 thread = new Thread(); | |
| 245 // Name with no object parameter | |
| 246 EXPECT_TRUE(thread->SetName("No object", nullptr)); | |
| 247 EXPECT_TRUE(thread->Start()); | |
| 248 thread->Stop(); | |
| 249 delete thread; | |
| 250 // Really long name | |
| 251 thread = new Thread(); | |
| 252 EXPECT_TRUE(thread->SetName("Abcdefghijklmnopqrstuvwxyz1234567890", this)); | |
| 253 EXPECT_TRUE(thread->Start()); | |
| 254 thread->Stop(); | |
| 255 delete thread; | |
| 256 } | |
| 257 | |
| 258 TEST(ThreadTest, Wrap) { | |
| 259 Thread* current_thread = Thread::Current(); | |
| 260 current_thread->UnwrapCurrent(); | |
| 261 CustomThread* cthread = new CustomThread(); | |
| 262 EXPECT_TRUE(cthread->WrapCurrent()); | |
| 263 EXPECT_TRUE(cthread->RunningForTest()); | |
| 264 EXPECT_FALSE(cthread->IsOwned()); | |
| 265 cthread->UnwrapCurrent(); | |
| 266 EXPECT_FALSE(cthread->RunningForTest()); | |
| 267 delete cthread; | |
| 268 current_thread->WrapCurrent(); | |
| 269 } | |
| 270 | |
| 271 TEST(ThreadTest, Invoke) { | |
| 272 // Create and start the thread. | |
| 273 Thread thread; | |
| 274 thread.Start(); | |
| 275 // Try calling functors. | |
| 276 EXPECT_EQ(42, thread.Invoke<int>(RTC_FROM_HERE, FunctorA())); | |
| 277 AtomicBool called; | |
| 278 FunctorB f2(&called); | |
| 279 thread.Invoke<void>(RTC_FROM_HERE, f2); | |
| 280 EXPECT_TRUE(called.get()); | |
| 281 // Try calling bare functions. | |
| 282 struct LocalFuncs { | |
| 283 static int Func1() { return 999; } | |
| 284 static void Func2() {} | |
| 285 }; | |
| 286 EXPECT_EQ(999, thread.Invoke<int>(RTC_FROM_HERE, &LocalFuncs::Func1)); | |
| 287 thread.Invoke<void>(RTC_FROM_HERE, &LocalFuncs::Func2); | |
| 288 } | |
| 289 | |
| 290 // Verifies that two threads calling Invoke on each other at the same time does | |
| 291 // not deadlock. | |
| 292 TEST(ThreadTest, TwoThreadsInvokeNoDeadlock) { | |
| 293 AutoThread thread; | |
| 294 Thread* current_thread = Thread::Current(); | |
| 295 ASSERT_TRUE(current_thread != nullptr); | |
| 296 | |
| 297 Thread other_thread; | |
| 298 other_thread.Start(); | |
| 299 | |
| 300 struct LocalFuncs { | |
| 301 static void Set(bool* out) { *out = true; } | |
| 302 static void InvokeSet(Thread* thread, bool* out) { | |
| 303 thread->Invoke<void>(RTC_FROM_HERE, Bind(&Set, out)); | |
| 304 } | |
| 305 }; | |
| 306 | |
| 307 bool called = false; | |
| 308 other_thread.Invoke<void>( | |
| 309 RTC_FROM_HERE, Bind(&LocalFuncs::InvokeSet, current_thread, &called)); | |
| 310 | |
| 311 EXPECT_TRUE(called); | |
| 312 } | |
| 313 | |
| 314 // Verifies that if thread A invokes a call on thread B and thread C is trying | |
| 315 // to invoke A at the same time, thread A does not handle C's invoke while | |
| 316 // invoking B. | |
| 317 TEST(ThreadTest, ThreeThreadsInvoke) { | |
| 318 AutoThread thread; | |
| 319 Thread* thread_a = Thread::Current(); | |
| 320 Thread thread_b, thread_c; | |
| 321 thread_b.Start(); | |
| 322 thread_c.Start(); | |
| 323 | |
| 324 class LockedBool { | |
| 325 public: | |
| 326 explicit LockedBool(bool value) : value_(value) {} | |
| 327 | |
| 328 void Set(bool value) { | |
| 329 CritScope lock(&crit_); | |
| 330 value_ = value; | |
| 331 } | |
| 332 | |
| 333 bool Get() { | |
| 334 CritScope lock(&crit_); | |
| 335 return value_; | |
| 336 } | |
| 337 | |
| 338 private: | |
| 339 CriticalSection crit_; | |
| 340 bool value_ GUARDED_BY(crit_); | |
| 341 }; | |
| 342 | |
| 343 struct LocalFuncs { | |
| 344 static void Set(LockedBool* out) { out->Set(true); } | |
| 345 static void InvokeSet(Thread* thread, LockedBool* out) { | |
| 346 thread->Invoke<void>(RTC_FROM_HERE, Bind(&Set, out)); | |
| 347 } | |
| 348 | |
| 349 // Set |out| true and call InvokeSet on |thread|. | |
| 350 static void SetAndInvokeSet(LockedBool* out, | |
| 351 Thread* thread, | |
| 352 LockedBool* out_inner) { | |
| 353 out->Set(true); | |
| 354 InvokeSet(thread, out_inner); | |
| 355 } | |
| 356 | |
| 357 // Asynchronously invoke SetAndInvokeSet on |thread1| and wait until | |
| 358 // |thread1| starts the call. | |
| 359 static void AsyncInvokeSetAndWait(AsyncInvoker* invoker, | |
| 360 Thread* thread1, | |
| 361 Thread* thread2, | |
| 362 LockedBool* out) { | |
| 363 CriticalSection crit; | |
| 364 LockedBool async_invoked(false); | |
| 365 | |
| 366 invoker->AsyncInvoke<void>( | |
| 367 RTC_FROM_HERE, thread1, | |
| 368 Bind(&SetAndInvokeSet, &async_invoked, thread2, out)); | |
| 369 | |
| 370 EXPECT_TRUE_WAIT(async_invoked.Get(), 2000); | |
| 371 } | |
| 372 }; | |
| 373 | |
| 374 AsyncInvoker invoker; | |
| 375 LockedBool thread_a_called(false); | |
| 376 | |
| 377 // Start the sequence A --(invoke)--> B --(async invoke)--> C --(invoke)--> A. | |
| 378 // Thread B returns when C receives the call and C should be blocked until A | |
| 379 // starts to process messages. | |
| 380 thread_b.Invoke<void>(RTC_FROM_HERE, | |
| 381 Bind(&LocalFuncs::AsyncInvokeSetAndWait, &invoker, | |
| 382 &thread_c, thread_a, &thread_a_called)); | |
| 383 EXPECT_FALSE(thread_a_called.Get()); | |
| 384 | |
| 385 EXPECT_TRUE_WAIT(thread_a_called.Get(), 2000); | |
| 386 } | |
| 387 | |
| 388 // Set the name on a thread when the underlying QueueDestroyed signal is | |
| 389 // triggered. This causes an error if the object is already partially | |
| 390 // destroyed. | |
| 391 class SetNameOnSignalQueueDestroyedTester : public sigslot::has_slots<> { | |
| 392 public: | |
| 393 SetNameOnSignalQueueDestroyedTester(Thread* thread) : thread_(thread) { | |
| 394 thread->SignalQueueDestroyed.connect( | |
| 395 this, &SetNameOnSignalQueueDestroyedTester::OnQueueDestroyed); | |
| 396 } | |
| 397 | |
| 398 void OnQueueDestroyed() { | |
| 399 // Makes sure that if we access the Thread while it's being destroyed, that | |
| 400 // it doesn't cause a problem because the vtable has been modified. | |
| 401 thread_->SetName("foo", nullptr); | |
| 402 } | |
| 403 | |
| 404 private: | |
| 405 Thread* thread_; | |
| 406 }; | |
| 407 | |
| 408 TEST(ThreadTest, SetNameOnSignalQueueDestroyed) { | |
| 409 Thread* thread1 = new Thread(); | |
| 410 SetNameOnSignalQueueDestroyedTester tester1(thread1); | |
| 411 delete thread1; | |
| 412 | |
| 413 Thread* thread2 = new AutoThread(); | |
| 414 SetNameOnSignalQueueDestroyedTester tester2(thread2); | |
| 415 delete thread2; | |
| 416 } | |
| 417 | |
| 418 class AsyncInvokeTest : public testing::Test { | |
| 419 public: | |
| 420 void IntCallback(int value) { | |
| 421 EXPECT_EQ(expected_thread_, Thread::Current()); | |
| 422 int_value_ = value; | |
| 423 } | |
| 424 void SetExpectedThreadForIntCallback(Thread* thread) { | |
| 425 expected_thread_ = thread; | |
| 426 } | |
| 427 | |
| 428 protected: | |
| 429 enum { kWaitTimeout = 1000 }; | |
| 430 AsyncInvokeTest() | |
| 431 : int_value_(0), | |
| 432 expected_thread_(nullptr) {} | |
| 433 | |
| 434 int int_value_; | |
| 435 Thread* expected_thread_; | |
| 436 }; | |
| 437 | |
| 438 TEST_F(AsyncInvokeTest, FireAndForget) { | |
| 439 AsyncInvoker invoker; | |
| 440 // Create and start the thread. | |
| 441 Thread thread; | |
| 442 thread.Start(); | |
| 443 // Try calling functor. | |
| 444 AtomicBool called; | |
| 445 invoker.AsyncInvoke<void>(RTC_FROM_HERE, &thread, FunctorB(&called)); | |
| 446 EXPECT_TRUE_WAIT(called.get(), kWaitTimeout); | |
| 447 } | |
| 448 | |
| 449 TEST_F(AsyncInvokeTest, KillInvokerDuringExecute) { | |
| 450 // Use these events to get in a state where the functor is in the middle of | |
| 451 // executing, and then to wait for it to finish, ensuring the "EXPECT_FALSE" | |
| 452 // is run. | |
| 453 Event functor_started(false, false); | |
| 454 Event functor_continue(false, false); | |
| 455 Event functor_finished(false, false); | |
| 456 | |
| 457 Thread thread; | |
| 458 thread.Start(); | |
| 459 volatile bool invoker_destroyed = false; | |
| 460 { | |
| 461 AsyncInvoker invoker; | |
| 462 invoker.AsyncInvoke<void>(RTC_FROM_HERE, &thread, | |
| 463 [&functor_started, &functor_continue, | |
| 464 &functor_finished, &invoker_destroyed] { | |
| 465 functor_started.Set(); | |
| 466 functor_continue.Wait(Event::kForever); | |
| 467 rtc::Thread::Current()->SleepMs(kWaitTimeout); | |
| 468 EXPECT_FALSE(invoker_destroyed); | |
| 469 functor_finished.Set(); | |
| 470 }); | |
| 471 functor_started.Wait(Event::kForever); | |
| 472 | |
| 473 // Allow the functor to continue and immediately destroy the invoker. | |
| 474 functor_continue.Set(); | |
| 475 } | |
| 476 | |
| 477 // If the destructor DIDN'T wait for the functor to finish executing, it will | |
| 478 // hit the EXPECT_FALSE(invoker_destroyed) after it finishes sleeping for a | |
| 479 // second. | |
| 480 invoker_destroyed = true; | |
| 481 functor_finished.Wait(Event::kForever); | |
| 482 } | |
| 483 | |
| 484 TEST_F(AsyncInvokeTest, Flush) { | |
| 485 AsyncInvoker invoker; | |
| 486 AtomicBool flag1; | |
| 487 AtomicBool flag2; | |
| 488 // Queue two async calls to the current thread. | |
| 489 invoker.AsyncInvoke<void>(RTC_FROM_HERE, Thread::Current(), FunctorB(&flag1)); | |
| 490 invoker.AsyncInvoke<void>(RTC_FROM_HERE, Thread::Current(), FunctorB(&flag2)); | |
| 491 // Because we haven't pumped messages, these should not have run yet. | |
| 492 EXPECT_FALSE(flag1.get()); | |
| 493 EXPECT_FALSE(flag2.get()); | |
| 494 // Force them to run now. | |
| 495 invoker.Flush(Thread::Current()); | |
| 496 EXPECT_TRUE(flag1.get()); | |
| 497 EXPECT_TRUE(flag2.get()); | |
| 498 } | |
| 499 | |
| 500 TEST_F(AsyncInvokeTest, FlushWithIds) { | |
| 501 AsyncInvoker invoker; | |
| 502 AtomicBool flag1; | |
| 503 AtomicBool flag2; | |
| 504 // Queue two async calls to the current thread, one with a message id. | |
| 505 invoker.AsyncInvoke<void>(RTC_FROM_HERE, Thread::Current(), FunctorB(&flag1), | |
| 506 5); | |
| 507 invoker.AsyncInvoke<void>(RTC_FROM_HERE, Thread::Current(), FunctorB(&flag2)); | |
| 508 // Because we haven't pumped messages, these should not have run yet. | |
| 509 EXPECT_FALSE(flag1.get()); | |
| 510 EXPECT_FALSE(flag2.get()); | |
| 511 // Execute pending calls with id == 5. | |
| 512 invoker.Flush(Thread::Current(), 5); | |
| 513 EXPECT_TRUE(flag1.get()); | |
| 514 EXPECT_FALSE(flag2.get()); | |
| 515 flag1 = false; | |
| 516 // Execute all pending calls. The id == 5 call should not execute again. | |
| 517 invoker.Flush(Thread::Current()); | |
| 518 EXPECT_FALSE(flag1.get()); | |
| 519 EXPECT_TRUE(flag2.get()); | |
| 520 } | |
| 521 | |
| 522 class GuardedAsyncInvokeTest : public testing::Test { | |
| 523 public: | |
| 524 void IntCallback(int value) { | |
| 525 EXPECT_EQ(expected_thread_, Thread::Current()); | |
| 526 int_value_ = value; | |
| 527 } | |
| 528 void SetExpectedThreadForIntCallback(Thread* thread) { | |
| 529 expected_thread_ = thread; | |
| 530 } | |
| 531 | |
| 532 protected: | |
| 533 const static int kWaitTimeout = 1000; | |
| 534 GuardedAsyncInvokeTest() | |
| 535 : int_value_(0), | |
| 536 expected_thread_(nullptr) {} | |
| 537 | |
| 538 int int_value_; | |
| 539 Thread* expected_thread_; | |
| 540 }; | |
| 541 | |
| 542 // Functor for creating an invoker. | |
| 543 struct CreateInvoker { | |
| 544 CreateInvoker(std::unique_ptr<GuardedAsyncInvoker>* invoker) | |
| 545 : invoker_(invoker) {} | |
| 546 void operator()() { invoker_->reset(new GuardedAsyncInvoker()); } | |
| 547 std::unique_ptr<GuardedAsyncInvoker>* invoker_; | |
| 548 }; | |
| 549 | |
| 550 // Test that we can call AsyncInvoke<void>() after the thread died. | |
| 551 TEST_F(GuardedAsyncInvokeTest, KillThreadFireAndForget) { | |
| 552 // Create and start the thread. | |
| 553 std::unique_ptr<Thread> thread(new Thread()); | |
| 554 thread->Start(); | |
| 555 std::unique_ptr<GuardedAsyncInvoker> invoker; | |
| 556 // Create the invoker on |thread|. | |
| 557 thread->Invoke<void>(RTC_FROM_HERE, CreateInvoker(&invoker)); | |
| 558 // Kill |thread|. | |
| 559 thread = nullptr; | |
| 560 // Try calling functor. | |
| 561 AtomicBool called; | |
| 562 EXPECT_FALSE(invoker->AsyncInvoke<void>(RTC_FROM_HERE, FunctorB(&called))); | |
| 563 // With thread gone, nothing should happen. | |
| 564 WAIT(called.get(), kWaitTimeout); | |
| 565 EXPECT_FALSE(called.get()); | |
| 566 } | |
| 567 | |
| 568 // The remaining tests check that GuardedAsyncInvoker behaves as AsyncInvoker | |
| 569 // when Thread is still alive. | |
| 570 TEST_F(GuardedAsyncInvokeTest, FireAndForget) { | |
| 571 GuardedAsyncInvoker invoker; | |
| 572 // Try calling functor. | |
| 573 AtomicBool called; | |
| 574 EXPECT_TRUE(invoker.AsyncInvoke<void>(RTC_FROM_HERE, FunctorB(&called))); | |
| 575 EXPECT_TRUE_WAIT(called.get(), kWaitTimeout); | |
| 576 } | |
| 577 | |
| 578 TEST_F(GuardedAsyncInvokeTest, Flush) { | |
| 579 GuardedAsyncInvoker invoker; | |
| 580 AtomicBool flag1; | |
| 581 AtomicBool flag2; | |
| 582 // Queue two async calls to the current thread. | |
| 583 EXPECT_TRUE(invoker.AsyncInvoke<void>(RTC_FROM_HERE, FunctorB(&flag1))); | |
| 584 EXPECT_TRUE(invoker.AsyncInvoke<void>(RTC_FROM_HERE, FunctorB(&flag2))); | |
| 585 // Because we haven't pumped messages, these should not have run yet. | |
| 586 EXPECT_FALSE(flag1.get()); | |
| 587 EXPECT_FALSE(flag2.get()); | |
| 588 // Force them to run now. | |
| 589 EXPECT_TRUE(invoker.Flush()); | |
| 590 EXPECT_TRUE(flag1.get()); | |
| 591 EXPECT_TRUE(flag2.get()); | |
| 592 } | |
| 593 | |
| 594 TEST_F(GuardedAsyncInvokeTest, FlushWithIds) { | |
| 595 GuardedAsyncInvoker invoker; | |
| 596 AtomicBool flag1; | |
| 597 AtomicBool flag2; | |
| 598 // Queue two async calls to the current thread, one with a message id. | |
| 599 EXPECT_TRUE(invoker.AsyncInvoke<void>(RTC_FROM_HERE, FunctorB(&flag1), 5)); | |
| 600 EXPECT_TRUE(invoker.AsyncInvoke<void>(RTC_FROM_HERE, FunctorB(&flag2))); | |
| 601 // Because we haven't pumped messages, these should not have run yet. | |
| 602 EXPECT_FALSE(flag1.get()); | |
| 603 EXPECT_FALSE(flag2.get()); | |
| 604 // Execute pending calls with id == 5. | |
| 605 EXPECT_TRUE(invoker.Flush(5)); | |
| 606 EXPECT_TRUE(flag1.get()); | |
| 607 EXPECT_FALSE(flag2.get()); | |
| 608 flag1 = false; | |
| 609 // Execute all pending calls. The id == 5 call should not execute again. | |
| 610 EXPECT_TRUE(invoker.Flush()); | |
| 611 EXPECT_FALSE(flag1.get()); | |
| 612 EXPECT_TRUE(flag2.get()); | |
| 613 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2877023002:
Move webrtc/{base => rtc_base} (Closed)
