Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "base/unix_task_runner.h" |
| 18 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 19 | #include "base/build_config.h" |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 20 | #include "base/scoped_file.h" |
| 21 | #include "gtest/gtest.h" |
| 22 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 23 | #if BUILDFLAG(OS_ANDROID) |
| 24 | #include "base/android_task_runner.h" |
| 25 | #endif |
| 26 | |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 27 | #include <thread> |
| 28 | |
| 29 | namespace perfetto { |
| 30 | namespace base { |
| 31 | namespace { |
| 32 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 33 | template <typename T> |
| 34 | class TaskRunnerTest : public ::testing::Test { |
| 35 | public: |
| 36 | T task_runner; |
| 37 | }; |
| 38 | |
| 39 | #if BUILDFLAG(OS_ANDROID) |
| 40 | using TaskRunnerTypes = ::testing::Types<AndroidTaskRunner, UnixTaskRunner>; |
| 41 | #else |
| 42 | using TaskRunnerTypes = ::testing::Types<UnixTaskRunner>; |
| 43 | #endif |
| 44 | TYPED_TEST_CASE(TaskRunnerTest, TaskRunnerTypes); |
| 45 | |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 46 | struct Pipe { |
| 47 | Pipe() { |
| 48 | int pipe_fds[2]; |
| 49 | PERFETTO_DCHECK(pipe(pipe_fds) == 0); |
| 50 | read_fd.reset(pipe_fds[0]); |
| 51 | write_fd.reset(pipe_fds[1]); |
| 52 | // Make the pipe initially readable. |
| 53 | Write(); |
| 54 | } |
| 55 | |
| 56 | void Read() { |
| 57 | char b; |
| 58 | PERFETTO_DCHECK(read(read_fd.get(), &b, 1) == 1); |
| 59 | } |
| 60 | |
| 61 | void Write() { |
| 62 | const char b = '?'; |
| 63 | PERFETTO_DCHECK(write(write_fd.get(), &b, 1) == 1); |
| 64 | } |
| 65 | |
| 66 | ScopedFile read_fd; |
| 67 | ScopedFile write_fd; |
| 68 | }; |
| 69 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 70 | TYPED_TEST(TaskRunnerTest, PostImmediateTask) { |
| 71 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 72 | int counter = 0; |
| 73 | task_runner.PostTask([&counter] { counter = (counter << 4) | 1; }); |
| 74 | task_runner.PostTask([&counter] { counter = (counter << 4) | 2; }); |
| 75 | task_runner.PostTask([&counter] { counter = (counter << 4) | 3; }); |
| 76 | task_runner.PostTask([&counter] { counter = (counter << 4) | 4; }); |
| 77 | task_runner.PostTask([&task_runner] { task_runner.Quit(); }); |
| 78 | task_runner.Run(); |
| 79 | EXPECT_EQ(0x1234, counter); |
| 80 | } |
| 81 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 82 | TYPED_TEST(TaskRunnerTest, PostDelayedTask) { |
| 83 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 84 | int counter = 0; |
| 85 | task_runner.PostDelayedTask([&counter] { counter = (counter << 4) | 1; }, 5); |
| 86 | task_runner.PostDelayedTask([&counter] { counter = (counter << 4) | 2; }, 10); |
| 87 | task_runner.PostDelayedTask([&counter] { counter = (counter << 4) | 3; }, 15); |
| 88 | task_runner.PostDelayedTask([&counter] { counter = (counter << 4) | 4; }, 15); |
| 89 | task_runner.PostDelayedTask([&task_runner] { task_runner.Quit(); }, 20); |
| 90 | task_runner.Run(); |
| 91 | EXPECT_EQ(0x1234, counter); |
| 92 | } |
| 93 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 94 | TYPED_TEST(TaskRunnerTest, PostImmediateTaskFromTask) { |
| 95 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 96 | task_runner.PostTask([&task_runner] { |
| 97 | task_runner.PostTask([&task_runner] { task_runner.Quit(); }); |
| 98 | }); |
| 99 | task_runner.Run(); |
| 100 | } |
| 101 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 102 | TYPED_TEST(TaskRunnerTest, PostDelayedTaskFromTask) { |
| 103 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 104 | task_runner.PostTask([&task_runner] { |
| 105 | task_runner.PostDelayedTask([&task_runner] { task_runner.Quit(); }, 10); |
| 106 | }); |
| 107 | task_runner.Run(); |
| 108 | } |
| 109 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 110 | TYPED_TEST(TaskRunnerTest, PostImmediateTaskFromOtherThread) { |
| 111 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 112 | ThreadChecker thread_checker; |
| 113 | int counter = 0; |
| 114 | std::thread thread([&task_runner, &counter, &thread_checker] { |
| 115 | task_runner.PostTask([&thread_checker] { |
| 116 | EXPECT_TRUE(thread_checker.CalledOnValidThread()); |
| 117 | }); |
| 118 | task_runner.PostTask([&counter] { counter = (counter << 4) | 1; }); |
| 119 | task_runner.PostTask([&counter] { counter = (counter << 4) | 2; }); |
| 120 | task_runner.PostTask([&counter] { counter = (counter << 4) | 3; }); |
| 121 | task_runner.PostTask([&counter] { counter = (counter << 4) | 4; }); |
| 122 | task_runner.PostTask([&task_runner] { task_runner.Quit(); }); |
| 123 | }); |
| 124 | task_runner.Run(); |
| 125 | thread.join(); |
| 126 | EXPECT_EQ(0x1234, counter); |
| 127 | } |
| 128 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 129 | TYPED_TEST(TaskRunnerTest, PostDelayedTaskFromOtherThread) { |
| 130 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 131 | std::thread thread([&task_runner] { |
| 132 | task_runner.PostDelayedTask([&task_runner] { task_runner.Quit(); }, 10); |
| 133 | }); |
| 134 | task_runner.Run(); |
| 135 | thread.join(); |
| 136 | } |
| 137 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 138 | TYPED_TEST(TaskRunnerTest, AddFileDescriptorWatch) { |
| 139 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 140 | Pipe pipe; |
| 141 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 142 | [&task_runner] { task_runner.Quit(); }); |
| 143 | task_runner.Run(); |
| 144 | } |
| 145 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 146 | TYPED_TEST(TaskRunnerTest, RemoveFileDescriptorWatch) { |
| 147 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 148 | Pipe pipe; |
| 149 | |
| 150 | bool watch_ran = false; |
| 151 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 152 | [&watch_ran] { watch_ran = true; }); |
| 153 | task_runner.RemoveFileDescriptorWatch(pipe.read_fd.get()); |
| 154 | task_runner.PostDelayedTask([&task_runner] { task_runner.Quit(); }, 10); |
| 155 | task_runner.Run(); |
| 156 | |
| 157 | EXPECT_FALSE(watch_ran); |
| 158 | } |
| 159 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 160 | TYPED_TEST(TaskRunnerTest, RemoveFileDescriptorWatchFromTask) { |
| 161 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 162 | Pipe pipe; |
| 163 | |
| 164 | bool watch_ran = false; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 165 | task_runner.PostTask([&task_runner, &pipe] { |
| 166 | task_runner.RemoveFileDescriptorWatch(pipe.read_fd.get()); |
| 167 | }); |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 168 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 169 | [&watch_ran] { watch_ran = true; }); |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 170 | task_runner.PostDelayedTask([&task_runner] { task_runner.Quit(); }, 10); |
| 171 | task_runner.Run(); |
| 172 | |
| 173 | EXPECT_FALSE(watch_ran); |
| 174 | } |
| 175 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 176 | TYPED_TEST(TaskRunnerTest, AddFileDescriptorWatchFromAnotherWatch) { |
| 177 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 178 | Pipe pipe; |
| 179 | Pipe pipe2; |
| 180 | |
| 181 | task_runner.AddFileDescriptorWatch( |
| 182 | pipe.read_fd.get(), [&task_runner, &pipe, &pipe2] { |
| 183 | pipe.Read(); |
| 184 | task_runner.AddFileDescriptorWatch( |
| 185 | pipe2.read_fd.get(), [&task_runner] { task_runner.Quit(); }); |
| 186 | }); |
| 187 | task_runner.Run(); |
| 188 | } |
| 189 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 190 | TYPED_TEST(TaskRunnerTest, RemoveFileDescriptorWatchFromAnotherWatch) { |
| 191 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 192 | Pipe pipe; |
| 193 | Pipe pipe2; |
| 194 | |
| 195 | bool watch_ran = false; |
| 196 | task_runner.AddFileDescriptorWatch( |
| 197 | pipe.read_fd.get(), [&task_runner, &pipe, &pipe2] { |
| 198 | pipe.Read(); |
| 199 | task_runner.RemoveFileDescriptorWatch(pipe2.read_fd.get()); |
| 200 | }); |
| 201 | task_runner.AddFileDescriptorWatch(pipe2.read_fd.get(), |
| 202 | [&watch_ran] { watch_ran = true; }); |
| 203 | task_runner.PostDelayedTask([&task_runner] { task_runner.Quit(); }, 10); |
| 204 | task_runner.Run(); |
| 205 | |
| 206 | EXPECT_FALSE(watch_ran); |
| 207 | } |
| 208 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 209 | TYPED_TEST(TaskRunnerTest, ReplaceFileDescriptorWatchFromAnotherWatch) { |
| 210 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 211 | Pipe pipe; |
| 212 | Pipe pipe2; |
| 213 | |
| 214 | bool watch_ran = false; |
| 215 | task_runner.AddFileDescriptorWatch( |
| 216 | pipe.read_fd.get(), [&task_runner, &pipe2] { |
| 217 | task_runner.RemoveFileDescriptorWatch(pipe2.read_fd.get()); |
| 218 | task_runner.AddFileDescriptorWatch( |
| 219 | pipe2.read_fd.get(), [&task_runner] { task_runner.Quit(); }); |
| 220 | }); |
| 221 | task_runner.AddFileDescriptorWatch(pipe2.read_fd.get(), |
| 222 | [&watch_ran] { watch_ran = true; }); |
| 223 | task_runner.Run(); |
| 224 | |
| 225 | EXPECT_FALSE(watch_ran); |
| 226 | } |
| 227 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 228 | TYPED_TEST(TaskRunnerTest, AddFileDescriptorWatchFromAnotherThread) { |
| 229 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 230 | Pipe pipe; |
| 231 | |
| 232 | std::thread thread([&task_runner, &pipe] { |
| 233 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 234 | [&task_runner] { task_runner.Quit(); }); |
| 235 | }); |
| 236 | task_runner.Run(); |
| 237 | thread.join(); |
| 238 | } |
| 239 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 240 | TYPED_TEST(TaskRunnerTest, FileDescriptorWatchWithMultipleEvents) { |
| 241 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 242 | Pipe pipe; |
| 243 | |
| 244 | int event_count = 0; |
| 245 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 246 | [&task_runner, &pipe, &event_count] { |
| 247 | if (++event_count == 3) { |
| 248 | task_runner.Quit(); |
| 249 | return; |
| 250 | } |
| 251 | pipe.Read(); |
| 252 | }); |
| 253 | task_runner.PostTask([&pipe] { pipe.Write(); }); |
| 254 | task_runner.PostTask([&pipe] { pipe.Write(); }); |
| 255 | task_runner.Run(); |
| 256 | } |
| 257 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 258 | TYPED_TEST(TaskRunnerTest, FileDescriptorClosedEvent) { |
| 259 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 260 | int pipe_fds[2]; |
| 261 | PERFETTO_DCHECK(pipe(pipe_fds) == 0); |
| 262 | ScopedFile read_fd(pipe_fds[0]); |
| 263 | ScopedFile write_fd(pipe_fds[1]); |
| 264 | |
| 265 | write_fd.reset(); |
| 266 | task_runner.AddFileDescriptorWatch(read_fd.get(), |
| 267 | [&task_runner] { task_runner.Quit(); }); |
| 268 | task_runner.Run(); |
| 269 | } |
| 270 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 271 | TYPED_TEST(TaskRunnerTest, PostManyDelayedTasks) { |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 272 | // Check that PostTask doesn't start failing if there are too many scheduled |
| 273 | // wake-ups. |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 274 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 275 | for (int i = 0; i < 0x1000; i++) |
| 276 | task_runner.PostDelayedTask([] {}, 0); |
| 277 | task_runner.PostDelayedTask([&task_runner] { task_runner.Quit(); }, 10); |
| 278 | task_runner.Run(); |
| 279 | } |
| 280 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 281 | TYPED_TEST(TaskRunnerTest, RunAgain) { |
| 282 | auto& task_runner = this->task_runner; |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 283 | int counter = 0; |
| 284 | task_runner.PostTask([&task_runner, &counter] { |
| 285 | counter++; |
| 286 | task_runner.Quit(); |
| 287 | }); |
| 288 | task_runner.Run(); |
| 289 | task_runner.PostTask([&task_runner, &counter] { |
| 290 | counter++; |
| 291 | task_runner.Quit(); |
| 292 | }); |
| 293 | task_runner.Run(); |
| 294 | EXPECT_EQ(2, counter); |
| 295 | } |
| 296 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 297 | template <typename TaskRunner> |
| 298 | void RepeatingTask(TaskRunner* task_runner) { |
| 299 | task_runner->PostTask(std::bind(&RepeatingTask<TaskRunner>, task_runner)); |
Sami Kyostila | c25f837 | 2017-11-22 11:15:41 +0000 | [diff] [blame] | 300 | } |
| 301 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 302 | TYPED_TEST(TaskRunnerTest, FileDescriptorWatchesNotStarved) { |
| 303 | auto& task_runner = this->task_runner; |
Sami Kyostila | c25f837 | 2017-11-22 11:15:41 +0000 | [diff] [blame] | 304 | Pipe pipe; |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 305 | task_runner.PostTask(std::bind(&RepeatingTask<TypeParam>, &task_runner)); |
Sami Kyostila | c25f837 | 2017-11-22 11:15:41 +0000 | [diff] [blame] | 306 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 307 | [&task_runner] { task_runner.Quit(); }); |
| 308 | task_runner.Run(); |
| 309 | } |
| 310 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 311 | template <typename TaskRunner> |
| 312 | void CountdownTask(TaskRunner* task_runner, int* counter) { |
Sami Kyostila | 78b72d3 | 2017-11-23 18:08:57 +0000 | [diff] [blame] | 313 | if (!--(*counter)) { |
| 314 | task_runner->Quit(); |
| 315 | return; |
| 316 | } |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 317 | task_runner->PostTask( |
| 318 | std::bind(&CountdownTask<TaskRunner>, task_runner, counter)); |
Sami Kyostila | 78b72d3 | 2017-11-23 18:08:57 +0000 | [diff] [blame] | 319 | } |
| 320 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 321 | TYPED_TEST(TaskRunnerTest, NoDuplicateFileDescriptorWatchCallbacks) { |
| 322 | auto& task_runner = this->task_runner; |
Sami Kyostila | 78b72d3 | 2017-11-23 18:08:57 +0000 | [diff] [blame] | 323 | Pipe pipe; |
| 324 | bool watch_called = 0; |
| 325 | int counter = 10; |
| 326 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 327 | [&pipe, &watch_called] { |
| 328 | ASSERT_FALSE(watch_called); |
| 329 | pipe.Read(); |
| 330 | watch_called = true; |
| 331 | }); |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 332 | task_runner.PostTask( |
| 333 | std::bind(&CountdownTask<TypeParam>, &task_runner, &counter)); |
Sami Kyostila | 78b72d3 | 2017-11-23 18:08:57 +0000 | [diff] [blame] | 334 | task_runner.Run(); |
| 335 | } |
| 336 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 337 | TYPED_TEST(TaskRunnerTest, ReplaceFileDescriptorWatchFromOtherThread) { |
| 338 | auto& task_runner = this->task_runner; |
Sami Kyostila | 78b72d3 | 2017-11-23 18:08:57 +0000 | [diff] [blame] | 339 | Pipe pipe; |
| 340 | |
| 341 | // The two watch tasks here race each other. We don't particularly care which |
| 342 | // wins as long as one of them runs. |
| 343 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 344 | [&task_runner] { task_runner.Quit(); }); |
| 345 | |
| 346 | std::thread thread([&task_runner, &pipe] { |
| 347 | task_runner.RemoveFileDescriptorWatch(pipe.read_fd.get()); |
| 348 | task_runner.AddFileDescriptorWatch(pipe.read_fd.get(), |
| 349 | [&task_runner] { task_runner.Quit(); }); |
| 350 | }); |
| 351 | |
| 352 | task_runner.Run(); |
| 353 | thread.join(); |
| 354 | } |
| 355 | |
Sami Kyostila | 73d41c8 | 2017-11-24 18:38:46 +0000 | [diff] [blame] | 356 | TYPED_TEST(TaskRunnerTest, IsIdleForTesting) { |
| 357 | auto& task_runner = this->task_runner; |
Sami Kyostila | eaed956 | 2017-11-22 12:48:10 +0000 | [diff] [blame] | 358 | task_runner.PostTask( |
| 359 | [&task_runner] { EXPECT_FALSE(task_runner.IsIdleForTesting()); }); |
| 360 | task_runner.PostTask([&task_runner] { |
| 361 | EXPECT_TRUE(task_runner.IsIdleForTesting()); |
| 362 | task_runner.Quit(); |
| 363 | }); |
| 364 | task_runner.Run(); |
| 365 | } |
| 366 | |
Sami Kyostila | 2c6c2f5 | 2017-11-21 16:08:16 +0000 | [diff] [blame] | 367 | } // namespace |
| 368 | } // namespace base |
| 369 | } // namespace perfetto |