2 * Copyright 2016 Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include <folly/io/async/ScopedEventBaseThread.h>
21 #include <folly/Baton.h>
22 #include <folly/Optional.h>
23 #include <folly/io/async/EventBaseManager.h>
24 #include <folly/portability/GTest.h>
27 using namespace std::chrono;
28 using namespace folly;
30 class ScopedEventBaseThreadTest : public testing::Test {};
32 TEST_F(ScopedEventBaseThreadTest, example) {
33 ScopedEventBaseThread sebt;
36 sebt.getEventBase()->runInEventBaseThread([&] { done.post(); });
37 ASSERT_TRUE(done.timed_wait(seconds(1)));
40 TEST_F(ScopedEventBaseThreadTest, default_manager) {
41 auto ebm = EventBaseManager::get();
42 ScopedEventBaseThread sebt;
43 auto sebt_eb = sebt.getEventBase();
44 auto ebm_eb = static_cast<EventBase*>(nullptr);
45 sebt_eb->runInEventBaseThreadAndWait([&] { ebm_eb = ebm->getEventBase(); });
46 EXPECT_EQ(uintptr_t(sebt_eb), uintptr_t(ebm_eb));
49 TEST_F(ScopedEventBaseThreadTest, custom_manager) {
51 ScopedEventBaseThread sebt(&ebm);
52 auto sebt_eb = sebt.getEventBase();
53 auto ebm_eb = static_cast<EventBase*>(nullptr);
54 sebt_eb->runInEventBaseThreadAndWait([&] { ebm_eb = ebm.getEventBase(); });
55 EXPECT_EQ(uintptr_t(sebt_eb), uintptr_t(ebm_eb));
58 TEST_F(ScopedEventBaseThreadTest, eb_dtor_in_io_thread) {
59 Optional<ScopedEventBaseThread> sebt;
61 auto const io_thread_id = sebt->getThreadId();
62 EXPECT_NE(this_thread::get_id(), io_thread_id) << "sanity";
64 auto const eb = sebt->getEventBase();
65 thread::id eb_dtor_thread_id;
66 eb->runOnDestruction(new EventBase::FunctionLoopCallback(
67 [&] { eb_dtor_thread_id = this_thread::get_id(); }));
69 EXPECT_EQ(io_thread_id, eb_dtor_thread_id);