ScopedEventBaseThreadTest.cpp File Reference

#include <folly/io/async/ScopedEventBaseThread.h>
#include <chrono>
#include <string>
#include <folly/Optional.h>
#include <folly/io/async/EventBaseManager.h>
#include <folly/portability/GTest.h>
#include <folly/synchronization/Baton.h>
#include <folly/system/ThreadName.h>

Go to the source code of this file.

Classes
class	ScopedEventBaseThreadTest

Functions
	TEST_F (ScopedEventBaseThreadTest, example)
	TEST_F (ScopedEventBaseThreadTest, named_example)
	TEST_F (ScopedEventBaseThreadTest, default_manager)
	TEST_F (ScopedEventBaseThreadTest, custom_manager)
	TEST_F (ScopedEventBaseThreadTest, eb_dtor_in_io_thread)

Function Documentation

TEST_F	(	ScopedEventBaseThreadTest	,
		example
	)

Definition at line 34 of file ScopedEventBaseThreadTest.cpp.

References ASSERT_TRUE, folly::ScopedEventBaseThread::getEventBase(), folly::Baton< MayBlock, Atom >::post(), folly::EventBase::runInEventBaseThread(), and folly::Baton< MayBlock, Atom >::try_wait_for().

                                           {
  ScopedEventBaseThread sebt;

  Baton<> done;
  sebt.getEventBase()->runInEventBaseThread([&] { done.post(); });
  ASSERT_TRUE(done.try_wait_for(seconds(1)));
}

TEST_F	(	ScopedEventBaseThreadTest	,
		named_example
	)

Definition at line 42 of file ScopedEventBaseThreadTest.cpp.

References ASSERT_EQ, ASSERT_TRUE, folly::getCurrentThreadName(), folly::ScopedEventBaseThread::getEventBase(), folly::Baton< MayBlock, Atom >::post(), folly::EventBase::runInEventBaseThread(), folly::Baton< MayBlock, Atom >::try_wait_for(), and folly::Optional< Value >::value().

                                                 {
  static constexpr StringPiece kThreadName{"named_example"};

  Optional<std::string> createdThreadName;
  Baton<> done;

  ScopedEventBaseThread sebt{kThreadName};
  sebt.getEventBase()->runInEventBaseThread([&] {
    createdThreadName = folly::getCurrentThreadName();
    done.post();
  });

  ASSERT_TRUE(done.try_wait_for(seconds(1)));
  if (createdThreadName) {
    ASSERT_EQ(kThreadName.toString(), createdThreadName.value());
  }
}

TEST_F	(	ScopedEventBaseThreadTest	,
		default_manager
	)

Definition at line 60 of file ScopedEventBaseThreadTest.cpp.

References EXPECT_EQ, folly::pushmi::operators::get, folly::ScopedEventBaseThread::getEventBase(), and folly::EventBase::runInEventBaseThreadAndWait().

                                                   {
  auto ebm = EventBaseManager::get();
  ScopedEventBaseThread sebt;
  auto sebt_eb = sebt.getEventBase();
  auto ebm_eb = static_cast<EventBase*>(nullptr);
  sebt_eb->runInEventBaseThreadAndWait([&] { ebm_eb = ebm->getEventBase(); });
  EXPECT_EQ(uintptr_t(sebt_eb), uintptr_t(ebm_eb));
}

TEST_F	(	ScopedEventBaseThreadTest	,
		custom_manager
	)

Definition at line 69 of file ScopedEventBaseThreadTest.cpp.

References EXPECT_EQ, folly::ScopedEventBaseThread::getEventBase(), folly::EventBaseManager::getEventBase(), and folly::EventBase::runInEventBaseThreadAndWait().

                                                  {
  EventBaseManager ebm;
  ScopedEventBaseThread sebt(&ebm);
  auto sebt_eb = sebt.getEventBase();
  auto ebm_eb = static_cast<EventBase*>(nullptr);
  sebt_eb->runInEventBaseThreadAndWait([&] { ebm_eb = ebm.getEventBase(); });
  EXPECT_EQ(uintptr_t(sebt_eb), uintptr_t(ebm_eb));
}

TEST_F	(	ScopedEventBaseThreadTest	,
		eb_dtor_in_io_thread
	)

Definition at line 78 of file ScopedEventBaseThreadTest.cpp.

References folly::Optional< Value >::clear(), folly::Optional< Value >::emplace(), EXPECT_EQ, EXPECT_NE, folly::ScopedEventBaseThread::getEventBase(), folly::ScopedEventBaseThread::getThreadId(), and folly::EventBase::runOnDestruction().

                                                        {
  Optional<ScopedEventBaseThread> sebt;
  sebt.emplace();
  auto const io_thread_id = sebt->getThreadId();
  EXPECT_NE(this_thread::get_id(), io_thread_id) << "sanity";

  auto const eb = sebt->getEventBase();
  thread::id eb_dtor_thread_id;
  eb->runOnDestruction(new EventBase::FunctionLoopCallback(
      [&] { eb_dtor_thread_id = this_thread::get_id(); }));
  sebt.clear();
  EXPECT_EQ(io_thread_id, eb_dtor_thread_id);
}