deanm@chromium.org | bec47f4 | 2009-06-15 19:30:44 +0900 | [diff] [blame] | 1 | // Copyright (c) 2009 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 | #include "base/message_pump_glib.h" |
| 6 | |
| 7 | #include <gtk/gtk.h> |
agl@chromium.org | 927bd07 | 2009-06-16 04:53:08 +0900 | [diff] [blame^] | 8 | #include <math.h> |
| 9 | |
deanm@chromium.org | bec47f4 | 2009-06-15 19:30:44 +0900 | [diff] [blame] | 10 | #include <algorithm> |
| 11 | #include <vector> |
agl@chromium.org | 927bd07 | 2009-06-16 04:53:08 +0900 | [diff] [blame^] | 12 | |
deanm@chromium.org | bec47f4 | 2009-06-15 19:30:44 +0900 | [diff] [blame] | 13 | #include "base/logging.h" |
| 14 | #include "base/message_loop.h" |
| 15 | #include "base/platform_thread.h" |
| 16 | #include "base/ref_counted.h" |
| 17 | #include "base/thread.h" |
| 18 | #include "testing/gtest/include/gtest/gtest.h" |
| 19 | |
| 20 | namespace { |
| 21 | |
| 22 | // This class injects dummy "events" into the GLib loop. When "handled" these |
| 23 | // events can run tasks. This is intended to mock gtk events (the corresponding |
| 24 | // GLib source runs at the same priority). |
| 25 | class EventInjector { |
| 26 | public: |
| 27 | EventInjector() : processed_events_(0) { |
| 28 | source_ = static_cast<Source*>(g_source_new(&SourceFuncs, sizeof(Source))); |
| 29 | source_->injector = this; |
| 30 | g_source_attach(source_, NULL); |
| 31 | g_source_set_can_recurse(source_, TRUE); |
| 32 | } |
| 33 | |
| 34 | ~EventInjector() { |
| 35 | g_source_destroy(source_); |
| 36 | g_source_unref(source_); |
| 37 | } |
| 38 | |
| 39 | int HandlePrepare() { |
| 40 | // If the queue is empty, block. |
| 41 | if (events_.empty()) |
| 42 | return -1; |
| 43 | base::TimeDelta delta = events_[0].time - base::Time::NowFromSystemTime(); |
| 44 | return std::max(0, static_cast<int>(ceil(delta.InMillisecondsF()))); |
| 45 | } |
| 46 | |
| 47 | bool HandleCheck() { |
| 48 | if (events_.empty()) |
| 49 | return false; |
| 50 | Event event = events_[0]; |
| 51 | return events_[0].time <= base::Time::NowFromSystemTime(); |
| 52 | } |
| 53 | |
| 54 | void HandleDispatch() { |
| 55 | if (events_.empty()) |
| 56 | return; |
| 57 | Event event = events_[0]; |
| 58 | events_.erase(events_.begin()); |
| 59 | ++processed_events_; |
| 60 | if (event.task) { |
| 61 | event.task->Run(); |
| 62 | delete event.task; |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | // Adds an event to the queue. When "handled", executes |task|. |
| 67 | // delay_ms is relative to the last event if any, or to Now() otherwise. |
| 68 | void AddEvent(int delay_ms, Task* task) { |
| 69 | base::Time last_time; |
| 70 | if (!events_.empty()) { |
| 71 | last_time = (events_.end()-1)->time; |
| 72 | } else { |
| 73 | last_time = base::Time::NowFromSystemTime(); |
| 74 | } |
| 75 | base::Time future = last_time + base::TimeDelta::FromMilliseconds(delay_ms); |
| 76 | EventInjector::Event event = { future, task }; |
| 77 | events_.push_back(event); |
| 78 | } |
| 79 | |
| 80 | void Reset() { |
| 81 | processed_events_ = 0; |
| 82 | events_.clear(); |
| 83 | } |
| 84 | |
| 85 | int processed_events() const { return processed_events_; } |
| 86 | |
| 87 | private: |
| 88 | struct Event { |
| 89 | base::Time time; |
| 90 | Task* task; |
| 91 | }; |
| 92 | |
| 93 | struct Source : public GSource { |
| 94 | EventInjector* injector; |
| 95 | }; |
| 96 | |
| 97 | static gboolean Prepare(GSource* source, gint* timeout_ms) { |
| 98 | *timeout_ms = static_cast<Source*>(source)->injector->HandlePrepare(); |
| 99 | return FALSE; |
| 100 | } |
| 101 | |
| 102 | static gboolean Check(GSource* source) { |
| 103 | return static_cast<Source*>(source)->injector->HandleCheck(); |
| 104 | } |
| 105 | |
| 106 | static gboolean Dispatch(GSource* source, |
| 107 | GSourceFunc unused_func, |
| 108 | gpointer unused_data) { |
| 109 | static_cast<Source*>(source)->injector->HandleDispatch(); |
| 110 | return TRUE; |
| 111 | } |
| 112 | |
| 113 | Source* source_; |
| 114 | std::vector<Event> events_; |
| 115 | int processed_events_; |
| 116 | static GSourceFuncs SourceFuncs; |
| 117 | DISALLOW_COPY_AND_ASSIGN(EventInjector); |
| 118 | }; |
| 119 | |
| 120 | GSourceFuncs EventInjector::SourceFuncs = { |
| 121 | EventInjector::Prepare, |
| 122 | EventInjector::Check, |
| 123 | EventInjector::Dispatch, |
| 124 | NULL |
| 125 | }; |
| 126 | |
| 127 | // Does nothing. This function can be called from a task. |
| 128 | void DoNothing() { |
| 129 | } |
| 130 | |
| 131 | void IncrementInt(int *value) { |
| 132 | ++*value; |
| 133 | } |
| 134 | |
| 135 | // Checks how many events have been processed by the injector. |
| 136 | void ExpectProcessedEvents(EventInjector* injector, int count) { |
| 137 | EXPECT_EQ(injector->processed_events(), count); |
| 138 | } |
| 139 | |
| 140 | // Quits the current message loop. |
| 141 | void QuitMessageLoop() { |
| 142 | MessageLoop::current()->Quit(); |
| 143 | } |
| 144 | |
| 145 | // Returns a new task that quits the main loop. |
| 146 | Task* NewQuitTask() { |
| 147 | return NewRunnableFunction(QuitMessageLoop); |
| 148 | } |
| 149 | |
| 150 | // Posts a task on the current message loop. |
| 151 | void PostMessageLoopTask(const tracked_objects::Location& from_here, |
| 152 | Task* task) { |
| 153 | MessageLoop::current()->PostTask(from_here, task); |
| 154 | } |
| 155 | |
| 156 | // Test fixture. |
| 157 | class MessagePumpGLibTest : public testing::Test { |
| 158 | public: |
| 159 | MessagePumpGLibTest() : loop_(NULL), injector_(NULL) { } |
| 160 | |
| 161 | virtual void SetUp() { |
| 162 | loop_ = new MessageLoop(MessageLoop::TYPE_UI); |
| 163 | injector_ = new EventInjector(); |
| 164 | } |
| 165 | |
| 166 | virtual void TearDown() { |
| 167 | delete injector_; |
| 168 | injector_ = NULL; |
| 169 | delete loop_; |
| 170 | loop_ = NULL; |
| 171 | } |
| 172 | |
| 173 | MessageLoop* loop() const { return loop_; } |
| 174 | EventInjector* injector() const { return injector_; } |
| 175 | |
| 176 | private: |
| 177 | MessageLoop* loop_; |
| 178 | EventInjector* injector_; |
| 179 | DISALLOW_COPY_AND_ASSIGN(MessagePumpGLibTest); |
| 180 | }; |
| 181 | |
| 182 | } // namespace |
| 183 | |
| 184 | // EventInjector is expected to always live longer than the runnable methods. |
| 185 | // This lets us call NewRunnableMethod on EventInjector instances. |
| 186 | template<> |
| 187 | struct RunnableMethodTraits<EventInjector> { |
| 188 | static void RetainCallee(EventInjector* obj) { } |
| 189 | static void ReleaseCallee(EventInjector* obj) { } |
| 190 | }; |
| 191 | |
| 192 | TEST_F(MessagePumpGLibTest, TestQuit) { |
| 193 | // Checks that Quit works and that the basic infrastructure is working. |
| 194 | |
| 195 | // Quit from a task |
| 196 | loop()->PostTask(FROM_HERE, NewQuitTask()); |
| 197 | loop()->Run(); |
| 198 | EXPECT_EQ(0, injector()->processed_events()); |
| 199 | |
| 200 | injector()->Reset(); |
| 201 | // Quit from an event |
| 202 | injector()->AddEvent(0, NewQuitTask()); |
| 203 | loop()->Run(); |
| 204 | EXPECT_EQ(1, injector()->processed_events()); |
| 205 | } |
| 206 | |
| 207 | TEST_F(MessagePumpGLibTest, TestEventTaskInterleave) { |
| 208 | // Checks that tasks posted by events are executed before the next event if |
| 209 | // the posted task queue is empty. |
| 210 | // MessageLoop doesn't make strong guarantees that it is the case, but the |
| 211 | // current implementation ensures it and the tests below rely on it. |
| 212 | // If changes cause this test to fail, it is reasonable to change it, but |
| 213 | // TestWorkWhileWaitingForEvents and TestEventsWhileWaitingForWork have to be |
| 214 | // changed accordingly, otherwise they can become flaky. |
| 215 | injector()->AddEvent(0, NewRunnableFunction(DoNothing)); |
| 216 | Task* check_task = NewRunnableFunction(ExpectProcessedEvents, injector(), 2); |
| 217 | Task* posted_task = NewRunnableFunction(PostMessageLoopTask, |
| 218 | FROM_HERE, check_task); |
| 219 | injector()->AddEvent(0, posted_task); |
| 220 | injector()->AddEvent(0, NewRunnableFunction(DoNothing)); |
| 221 | injector()->AddEvent(0, NewQuitTask()); |
| 222 | loop()->Run(); |
| 223 | EXPECT_EQ(4, injector()->processed_events()); |
| 224 | |
| 225 | injector()->Reset(); |
| 226 | injector()->AddEvent(0, NewRunnableFunction(DoNothing)); |
| 227 | check_task = NewRunnableFunction(ExpectProcessedEvents, injector(), 2); |
| 228 | posted_task = NewRunnableFunction(PostMessageLoopTask, FROM_HERE, check_task); |
| 229 | injector()->AddEvent(0, posted_task); |
| 230 | injector()->AddEvent(10, NewRunnableFunction(DoNothing)); |
| 231 | injector()->AddEvent(0, NewQuitTask()); |
| 232 | loop()->Run(); |
| 233 | EXPECT_EQ(4, injector()->processed_events()); |
| 234 | } |
| 235 | |
| 236 | TEST_F(MessagePumpGLibTest, TestWorkWhileWaitingForEvents) { |
| 237 | int task_count = 0; |
| 238 | // Tests that we process tasks while waiting for new events. |
| 239 | // The event queue is empty at first. |
| 240 | for (int i = 0; i < 10; ++i) { |
| 241 | loop()->PostTask(FROM_HERE, NewRunnableFunction(IncrementInt, &task_count)); |
| 242 | } |
| 243 | // After all the previous tasks have executed, enqueue an event that will |
| 244 | // quit. |
| 245 | loop()->PostTask( |
| 246 | FROM_HERE, NewRunnableMethod(injector(), &EventInjector::AddEvent, |
| 247 | 0, NewQuitTask())); |
| 248 | loop()->Run(); |
| 249 | ASSERT_EQ(10, task_count); |
| 250 | EXPECT_EQ(1, injector()->processed_events()); |
| 251 | |
| 252 | // Tests that we process delayed tasks while waiting for new events. |
| 253 | injector()->Reset(); |
| 254 | task_count = 0; |
| 255 | for (int i = 0; i < 10; ++i) { |
| 256 | loop()->PostDelayedTask( |
| 257 | FROM_HERE, NewRunnableFunction(IncrementInt, &task_count), 10*i); |
| 258 | } |
| 259 | // After all the previous tasks have executed, enqueue an event that will |
| 260 | // quit. |
| 261 | // This relies on the fact that delayed tasks are executed in delay order. |
| 262 | // That is verified in message_loop_unittest.cc. |
| 263 | loop()->PostDelayedTask( |
| 264 | FROM_HERE, NewRunnableMethod(injector(), &EventInjector::AddEvent, |
| 265 | 10, NewQuitTask()), 150); |
| 266 | loop()->Run(); |
| 267 | ASSERT_EQ(10, task_count); |
| 268 | EXPECT_EQ(1, injector()->processed_events()); |
| 269 | } |
| 270 | |
| 271 | TEST_F(MessagePumpGLibTest, TestEventsWhileWaitingForWork) { |
| 272 | // Tests that we process events while waiting for work. |
| 273 | // The event queue is empty at first. |
| 274 | for (int i = 0; i < 10; ++i) { |
| 275 | injector()->AddEvent(0, NULL); |
| 276 | } |
| 277 | // After all the events have been processed, post a task that will check that |
| 278 | // the events have been processed (note: the task executes after the event |
| 279 | // that posted it has been handled, so we expect 11 at that point). |
| 280 | Task* check_task = NewRunnableFunction(ExpectProcessedEvents, injector(), 11); |
| 281 | Task* posted_task = NewRunnableFunction(PostMessageLoopTask, |
| 282 | FROM_HERE, check_task); |
| 283 | injector()->AddEvent(10, posted_task); |
| 284 | |
| 285 | // And then quit (relies on the condition tested by TestEventTaskInterleave). |
| 286 | injector()->AddEvent(10, NewQuitTask()); |
| 287 | loop()->Run(); |
| 288 | |
| 289 | EXPECT_EQ(12, injector()->processed_events()); |
| 290 | } |
| 291 | |
| 292 | namespace { |
| 293 | |
| 294 | // This class is a helper for the concurrent events / posted tasks test below. |
| 295 | // It will quit the main loop once enough tasks and events have been processed, |
| 296 | // while making sure there is always work to do and events in the queue. |
| 297 | class ConcurrentHelper : public base::RefCounted<ConcurrentHelper> { |
| 298 | public: |
| 299 | ConcurrentHelper(EventInjector* injector) |
| 300 | : injector_(injector), |
| 301 | event_count_(kStartingEventCount), |
| 302 | task_count_(kStartingTaskCount) { |
| 303 | } |
| 304 | |
| 305 | void FromTask() { |
| 306 | if (task_count_ > 0) { |
| 307 | --task_count_; |
| 308 | } |
| 309 | if (task_count_ == 0 && event_count_ == 0) { |
| 310 | MessageLoop::current()->Quit(); |
| 311 | } else { |
| 312 | MessageLoop::current()->PostTask( |
| 313 | FROM_HERE, NewRunnableMethod(this, &ConcurrentHelper::FromTask)); |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | void FromEvent() { |
| 318 | if (event_count_ > 0) { |
| 319 | --event_count_; |
| 320 | } |
| 321 | if (task_count_ == 0 && event_count_ == 0) { |
| 322 | MessageLoop::current()->Quit(); |
| 323 | } else { |
| 324 | injector_->AddEvent( |
| 325 | 0, NewRunnableMethod(this, &ConcurrentHelper::FromEvent)); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | int event_count() const { return event_count_; } |
| 330 | int task_count() const { return task_count_; } |
| 331 | |
| 332 | private: |
| 333 | static const int kStartingEventCount = 20; |
| 334 | static const int kStartingTaskCount = 20; |
| 335 | |
| 336 | EventInjector* injector_; |
| 337 | int event_count_; |
| 338 | int task_count_; |
| 339 | }; |
| 340 | |
| 341 | } // namespace |
| 342 | |
| 343 | TEST_F(MessagePumpGLibTest, TestConcurrentEventPostedTask) { |
| 344 | // Tests that posted tasks don't starve events, nor the opposite. |
| 345 | // We use the helper class above. We keep both event and posted task queues |
| 346 | // full, the helper verifies that both tasks and events get processed. |
| 347 | // If that is not the case, either event_count_ or task_count_ will not get |
| 348 | // to 0, and MessageLoop::Quit() will never be called. |
| 349 | scoped_refptr<ConcurrentHelper> helper = new ConcurrentHelper(injector()); |
| 350 | |
| 351 | // Add 2 events to the queue to make sure it is always full (when we remove |
| 352 | // the event before processing it). |
| 353 | injector()->AddEvent( |
| 354 | 0, NewRunnableMethod(helper.get(), &ConcurrentHelper::FromEvent)); |
| 355 | injector()->AddEvent( |
| 356 | 0, NewRunnableMethod(helper.get(), &ConcurrentHelper::FromEvent)); |
| 357 | |
| 358 | // Similarly post 2 tasks. |
| 359 | loop()->PostTask( |
| 360 | FROM_HERE, NewRunnableMethod(helper.get(), &ConcurrentHelper::FromTask)); |
| 361 | loop()->PostTask( |
| 362 | FROM_HERE, NewRunnableMethod(helper.get(), &ConcurrentHelper::FromTask)); |
| 363 | |
| 364 | loop()->Run(); |
| 365 | EXPECT_EQ(0, helper->event_count()); |
| 366 | EXPECT_EQ(0, helper->task_count()); |
| 367 | } |
| 368 | |
| 369 | namespace { |
| 370 | |
| 371 | void AddEventsAndDrainGLib(EventInjector* injector) { |
| 372 | // Add a couple of dummy events |
| 373 | injector->AddEvent(0, NULL); |
| 374 | injector->AddEvent(0, NULL); |
| 375 | // Then add an event that will quit the main loop. |
| 376 | injector->AddEvent(0, NewQuitTask()); |
| 377 | |
| 378 | // Post a couple of dummy tasks |
| 379 | MessageLoop::current()->PostTask(FROM_HERE, NewRunnableFunction(DoNothing)); |
| 380 | MessageLoop::current()->PostTask(FROM_HERE, NewRunnableFunction(DoNothing)); |
| 381 | |
| 382 | // Drain the events |
| 383 | while (g_main_context_pending(NULL)) { |
| 384 | g_main_context_iteration(NULL, FALSE); |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | } // namespace |
| 389 | |
| 390 | TEST_F(MessagePumpGLibTest, TestDrainingGLib) { |
| 391 | // Tests that draining events using GLib works. |
| 392 | loop()->PostTask( |
| 393 | FROM_HERE, NewRunnableFunction(AddEventsAndDrainGLib, injector())); |
| 394 | loop()->Run(); |
| 395 | |
| 396 | EXPECT_EQ(3, injector()->processed_events()); |
| 397 | } |
| 398 | |
| 399 | |
| 400 | namespace { |
| 401 | |
| 402 | void AddEventsAndDrainGtk(EventInjector* injector) { |
| 403 | // Add a couple of dummy events |
| 404 | injector->AddEvent(0, NULL); |
| 405 | injector->AddEvent(0, NULL); |
| 406 | // Then add an event that will quit the main loop. |
| 407 | injector->AddEvent(0, NewQuitTask()); |
| 408 | |
| 409 | // Post a couple of dummy tasks |
| 410 | MessageLoop::current()->PostTask(FROM_HERE, NewRunnableFunction(DoNothing)); |
| 411 | MessageLoop::current()->PostTask(FROM_HERE, NewRunnableFunction(DoNothing)); |
| 412 | |
| 413 | // Drain the events |
| 414 | while (gtk_events_pending()) { |
| 415 | gtk_main_iteration(); |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | } // namespace |
| 420 | |
| 421 | TEST_F(MessagePumpGLibTest, TestDrainingGtk) { |
| 422 | // Tests that draining events using Gtk works. |
| 423 | loop()->PostTask( |
| 424 | FROM_HERE, NewRunnableFunction(AddEventsAndDrainGtk, injector())); |
| 425 | loop()->Run(); |
| 426 | |
| 427 | EXPECT_EQ(3, injector()->processed_events()); |
| 428 | } |
| 429 | |
| 430 | namespace { |
| 431 | |
| 432 | // Helper class that lets us run the GLib message loop. |
| 433 | class GLibLoopRunner : public base::RefCounted<GLibLoopRunner> { |
| 434 | public: |
| 435 | GLibLoopRunner() : quit_(false) { } |
| 436 | |
| 437 | void RunGLib() { |
| 438 | while (!quit_) { |
| 439 | g_main_context_iteration(NULL, TRUE); |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | void RunGtk() { |
| 444 | while (!quit_) { |
| 445 | gtk_main_iteration(); |
| 446 | } |
| 447 | } |
| 448 | |
| 449 | void Quit() { |
| 450 | quit_ = true; |
| 451 | } |
| 452 | |
| 453 | void Reset() { |
| 454 | quit_ = false; |
| 455 | } |
| 456 | |
| 457 | private: |
| 458 | bool quit_; |
| 459 | }; |
| 460 | |
| 461 | void TestGLibLoopInternal(EventInjector* injector) { |
| 462 | // Allow tasks to be processed from 'native' event loops. |
| 463 | MessageLoop::current()->SetNestableTasksAllowed(true); |
| 464 | scoped_refptr<GLibLoopRunner> runner = new GLibLoopRunner(); |
| 465 | |
| 466 | int task_count = 0; |
| 467 | // Add a couple of dummy events |
| 468 | injector->AddEvent(0, NULL); |
| 469 | injector->AddEvent(0, NULL); |
| 470 | // Post a couple of dummy tasks |
| 471 | MessageLoop::current()->PostTask( |
| 472 | FROM_HERE, NewRunnableFunction(IncrementInt, &task_count)); |
| 473 | MessageLoop::current()->PostTask( |
| 474 | FROM_HERE, NewRunnableFunction(IncrementInt, &task_count)); |
| 475 | // Delayed events |
| 476 | injector->AddEvent(10, NULL); |
| 477 | injector->AddEvent(10, NULL); |
| 478 | // Delayed work |
| 479 | MessageLoop::current()->PostDelayedTask( |
| 480 | FROM_HERE, NewRunnableFunction(IncrementInt, &task_count), 30); |
| 481 | MessageLoop::current()->PostDelayedTask( |
| 482 | FROM_HERE, NewRunnableMethod(runner.get(), &GLibLoopRunner::Quit), 40); |
| 483 | |
| 484 | // Run a nested, straight GLib message loop. |
| 485 | runner->RunGLib(); |
| 486 | |
| 487 | ASSERT_EQ(3, task_count); |
| 488 | EXPECT_EQ(4, injector->processed_events()); |
| 489 | MessageLoop::current()->Quit(); |
| 490 | } |
| 491 | |
| 492 | void TestGtkLoopInternal(EventInjector* injector) { |
| 493 | // Allow tasks to be processed from 'native' event loops. |
| 494 | MessageLoop::current()->SetNestableTasksAllowed(true); |
| 495 | scoped_refptr<GLibLoopRunner> runner = new GLibLoopRunner(); |
| 496 | |
| 497 | int task_count = 0; |
| 498 | // Add a couple of dummy events |
| 499 | injector->AddEvent(0, NULL); |
| 500 | injector->AddEvent(0, NULL); |
| 501 | // Post a couple of dummy tasks |
| 502 | MessageLoop::current()->PostTask( |
| 503 | FROM_HERE, NewRunnableFunction(IncrementInt, &task_count)); |
| 504 | MessageLoop::current()->PostTask( |
| 505 | FROM_HERE, NewRunnableFunction(IncrementInt, &task_count)); |
| 506 | // Delayed events |
| 507 | injector->AddEvent(10, NULL); |
| 508 | injector->AddEvent(10, NULL); |
| 509 | // Delayed work |
| 510 | MessageLoop::current()->PostDelayedTask( |
| 511 | FROM_HERE, NewRunnableFunction(IncrementInt, &task_count), 30); |
| 512 | MessageLoop::current()->PostDelayedTask( |
| 513 | FROM_HERE, NewRunnableMethod(runner.get(), &GLibLoopRunner::Quit), 40); |
| 514 | |
| 515 | // Run a nested, straight Gtk message loop. |
| 516 | runner->RunGtk(); |
| 517 | |
| 518 | ASSERT_EQ(3, task_count); |
| 519 | EXPECT_EQ(4, injector->processed_events()); |
| 520 | MessageLoop::current()->Quit(); |
| 521 | } |
| 522 | |
| 523 | } // namespace |
| 524 | |
| 525 | TEST_F(MessagePumpGLibTest, TestGLibLoop) { |
| 526 | // Tests that events and posted tasks are correctly exectuted if the message |
| 527 | // loop is not run by MessageLoop::Run() but by a straight GLib loop. |
| 528 | // Note that in this case we don't make strong guarantees about niceness |
| 529 | // between events and posted tasks. |
| 530 | loop()->PostTask(FROM_HERE, |
| 531 | NewRunnableFunction(TestGLibLoopInternal, injector())); |
| 532 | loop()->Run(); |
| 533 | } |
| 534 | |
| 535 | TEST_F(MessagePumpGLibTest, TestGtkLoop) { |
| 536 | // Tests that events and posted tasks are correctly exectuted if the message |
| 537 | // loop is not run by MessageLoop::Run() but by a straight Gtk loop. |
| 538 | // Note that in this case we don't make strong guarantees about niceness |
| 539 | // between events and posted tasks. |
| 540 | loop()->PostTask(FROM_HERE, |
| 541 | NewRunnableFunction(TestGtkLoopInternal, injector())); |
| 542 | loop()->Run(); |
| 543 | } |