fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 1 | // Copyright 2016 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/task_scheduler/task_tracker_posix.h" |
| 6 | |
| 7 | #include <unistd.h> |
| 8 | |
| 9 | #include <utility> |
| 10 | |
| 11 | #include "base/bind.h" |
Peter Kasting | 88430fa | 2018-02-13 15:22:40 +0900 | [diff] [blame] | 12 | #include "base/bind_helpers.h" |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 13 | #include "base/files/file_descriptor_watcher_posix.h" |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 14 | #include "base/macros.h" |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 15 | #include "base/memory/ptr_util.h" |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 16 | #include "base/memory/ref_counted.h" |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 17 | #include "base/message_loop/message_loop.h" |
| 18 | #include "base/posix/eintr_wrapper.h" |
| 19 | #include "base/run_loop.h" |
| 20 | #include "base/sequence_token.h" |
| 21 | #include "base/task_scheduler/task.h" |
| 22 | #include "base/task_scheduler/task_traits.h" |
Jeffrey He | 5b18cb9 | 2017-06-07 00:36:03 +0900 | [diff] [blame] | 23 | #include "base/task_scheduler/test_utils.h" |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 24 | #include "base/test/null_task_runner.h" |
| 25 | #include "base/threading/thread.h" |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 26 | #include "base/time/time.h" |
| 27 | #include "testing/gtest/include/gtest/gtest.h" |
| 28 | |
| 29 | namespace base { |
| 30 | namespace internal { |
| 31 | |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 32 | namespace { |
| 33 | |
| 34 | class TaskSchedulerTaskTrackerPosixTest : public testing::Test { |
| 35 | public: |
| 36 | TaskSchedulerTaskTrackerPosixTest() : service_thread_("ServiceThread") { |
| 37 | Thread::Options service_thread_options; |
| 38 | service_thread_options.message_loop_type = MessageLoop::TYPE_IO; |
| 39 | service_thread_.StartWithOptions(service_thread_options); |
| 40 | tracker_.set_watch_file_descriptor_message_loop( |
| 41 | static_cast<MessageLoopForIO*>(service_thread_.message_loop())); |
| 42 | } |
| 43 | |
| 44 | protected: |
| 45 | Thread service_thread_; |
Gabriel Charette | 1907539 | 2018-01-19 20:00:53 +0900 | [diff] [blame] | 46 | TaskTrackerPosix tracker_ = {"Test"}; |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 47 | |
| 48 | private: |
| 49 | DISALLOW_COPY_AND_ASSIGN(TaskSchedulerTaskTrackerPosixTest); |
| 50 | }; |
| 51 | |
| 52 | } // namespace |
| 53 | |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 54 | // Verify that TaskTrackerPosix runs a Task it receives. |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 55 | TEST_F(TaskSchedulerTaskTrackerPosixTest, RunTask) { |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 56 | bool did_run = false; |
Robert Liao | 6ce6b3c | 2017-12-18 10:38:07 +0900 | [diff] [blame] | 57 | Task task(FROM_HERE, |
| 58 | Bind([](bool* did_run) { *did_run = true; }, Unretained(&did_run)), |
| 59 | TaskTraits(), TimeDelta()); |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 60 | |
Robert Liao | 6ce6b3c | 2017-12-18 10:38:07 +0900 | [diff] [blame] | 61 | EXPECT_TRUE(tracker_.WillPostTask(task)); |
Jeffrey He | 5b18cb9 | 2017-06-07 00:36:03 +0900 | [diff] [blame] | 62 | |
Francois Doray | cfa05a8 | 2017-10-13 03:10:17 +0900 | [diff] [blame] | 63 | auto sequence = test::CreateSequenceWithTask(std::move(task)); |
| 64 | EXPECT_EQ(sequence, tracker_.WillScheduleSequence(sequence, nullptr)); |
Robert Liao | 72b2771 | 2018-02-17 04:27:45 +0900 | [diff] [blame] | 65 | // Expect RunAndPopNextTask to return nullptr since |sequence| is empty after |
Francois Doray | cfa05a8 | 2017-10-13 03:10:17 +0900 | [diff] [blame] | 66 | // popping a task from it. |
Robert Liao | 72b2771 | 2018-02-17 04:27:45 +0900 | [diff] [blame] | 67 | EXPECT_FALSE(tracker_.RunAndPopNextTask(sequence, nullptr)); |
Jeffrey He | 5b18cb9 | 2017-06-07 00:36:03 +0900 | [diff] [blame] | 68 | |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 69 | EXPECT_TRUE(did_run); |
| 70 | } |
| 71 | |
| 72 | // Verify that FileDescriptorWatcher::WatchReadable() can be called from a task |
| 73 | // running in TaskTrackerPosix without a crash. |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 74 | TEST_F(TaskSchedulerTaskTrackerPosixTest, FileDescriptorWatcher) { |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 75 | int fds[2]; |
| 76 | ASSERT_EQ(0, pipe(fds)); |
Robert Liao | 6ce6b3c | 2017-12-18 10:38:07 +0900 | [diff] [blame] | 77 | Task task(FROM_HERE, |
| 78 | Bind(IgnoreResult(&FileDescriptorWatcher::WatchReadable), fds[0], |
Peter Kasting | 24efe5e | 2018-02-24 09:03:01 +0900 | [diff] [blame^] | 79 | DoNothing()), |
Robert Liao | 6ce6b3c | 2017-12-18 10:38:07 +0900 | [diff] [blame] | 80 | TaskTraits(), TimeDelta()); |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 81 | // FileDescriptorWatcher::WatchReadable needs a SequencedTaskRunnerHandle. |
Robert Liao | 6ce6b3c | 2017-12-18 10:38:07 +0900 | [diff] [blame] | 82 | task.sequenced_task_runner_ref = MakeRefCounted<NullTaskRunner>(); |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 83 | |
Robert Liao | 6ce6b3c | 2017-12-18 10:38:07 +0900 | [diff] [blame] | 84 | EXPECT_TRUE(tracker_.WillPostTask(task)); |
Jeffrey He | 5b18cb9 | 2017-06-07 00:36:03 +0900 | [diff] [blame] | 85 | |
Francois Doray | cfa05a8 | 2017-10-13 03:10:17 +0900 | [diff] [blame] | 86 | auto sequence = test::CreateSequenceWithTask(std::move(task)); |
| 87 | EXPECT_EQ(sequence, tracker_.WillScheduleSequence(sequence, nullptr)); |
Robert Liao | 72b2771 | 2018-02-17 04:27:45 +0900 | [diff] [blame] | 88 | // Expect RunAndPopNextTask to return nullptr since |sequence| is empty after |
Francois Doray | cfa05a8 | 2017-10-13 03:10:17 +0900 | [diff] [blame] | 89 | // popping a task from it. |
Robert Liao | 72b2771 | 2018-02-17 04:27:45 +0900 | [diff] [blame] | 90 | EXPECT_FALSE(tracker_.RunAndPopNextTask(sequence, nullptr)); |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 91 | |
Francois Doray | a9b608b | 2017-08-04 23:56:22 +0900 | [diff] [blame] | 92 | // Join the service thread to make sure that the read watch is registered and |
| 93 | // unregistered before file descriptors are closed. |
| 94 | service_thread_.Stop(); |
fdoray | 03181a7 | 2016-10-28 01:19:08 +0900 | [diff] [blame] | 95 | |
| 96 | EXPECT_EQ(0, IGNORE_EINTR(close(fds[0]))); |
| 97 | EXPECT_EQ(0, IGNORE_EINTR(close(fds[1]))); |
| 98 | } |
| 99 | |
| 100 | } // namespace internal |
| 101 | } // namespace base |