void run_timed_wait_regular_test() {
Baton<Atom> b;
auto thr = DSched::thread([&] {
// To wait forever we'd like to use time_point<Clock>::max, but
// std::condition_variable does math to convert the timeout to
// system_clock without handling overflow.
auto farFuture = Clock::now() + std::chrono::hours(1000);
bool rv = b.timed_wait(farFuture);
if (!std::is_same<Atom<int>, DeterministicAtomic<int>>::value) {
// DeterministicAtomic ignores actual times, so doesn't guarantee
// a lack of timeout
EXPECT_TRUE(rv);
}
});
if (!std::is_same<Atom<int>, DeterministicAtomic<int>>::value) {
// If we are using std::atomic (or EmulatedFutexAtomic) then
// a sleep here guarantees to a large extent that 'thr' will
// execute wait before we post it, thus testing late delivery. For
// DeterministicAtomic, we just rely on DeterministicSchedule to do
// the scheduling. The test won't fail if we lose the race, we just
// don't get coverage.
std::this_thread::sleep_for(std::chrono::milliseconds(2));
}
b.post();
DSched::join(thr);
}
TEST_F(EventBaseThreadTest, example) {
EventBaseThread ebt;
Baton<> done;
ebt.getEventBase()->runInEventBaseThread([&] { done.post(); });
ASSERT_TRUE(done.timed_wait(seconds(1)));
}
TEST(Interrupt, withinTimedOut) {
Promise<int> p;
Baton<> done;
p.setInterruptHandler([&](const exception_wrapper& /* e */) { done.post(); });
p.getFuture().within(std::chrono::milliseconds(1));
// Give it 100ms to time out and call the interrupt handler
auto t = std::chrono::steady_clock::now() + std::chrono::milliseconds(100);
EXPECT_TRUE(done.timed_wait(t));
}
void after(uv_async_t *handle, int status)
{
pthread_mutex_lock(&queue_mutex);
Baton *baton = queue_msg.front();
queue_msg.pop();
pthread_mutex_unlock(&queue_mutex);
baton->afterCallBack(baton);
}
TEST_F(EventBaseThreadTest, self_move) {
EventBaseThread ebt0;
auto ebt = std::move(ebt0);
EXPECT_NE(nullptr, ebt.getEventBase());
Baton<> done;
ebt.getEventBase()->runInEventBaseThread([&] { done.post(); });
ASSERT_TRUE(done.try_wait_for(seconds(1)));
}
TEST_F(EventBaseThreadTest, example) {
EventBaseThread ebt(true, nullptr, "monkey");
Baton<> done;
ebt.getEventBase()->runInEventBaseThread([&] {
EXPECT_EQ(getCurrentThreadName().value(), "monkey");
done.post();
});
ASSERT_TRUE(done.try_wait_for(seconds(1)));
}
void run_timed_wait_tmo_tests() {
Baton<Atom> b;
auto thr = DSched::thread([&]{
bool rv = b.timed_wait(Clock::now() + std::chrono::milliseconds(1));
// main thread is guaranteed to not post until timeout occurs
EXPECT_FALSE(rv);
});
DSched::join(thr);
}
TEST_F(FilePollerTest, TestDeleteFile) {
Baton<> baton;
bool updated = false;
createFile();
FilePoller poller(tmpFile, std::chrono::milliseconds(1));
poller.addCallback([&]() {
updated = true;
baton.post();
});
remove(tmpFile.c_str());
ASSERT_TRUE(baton.timed_wait(std::chrono::seconds(5)));
ASSERT_TRUE(updated);
}
TEST_F(FilePollerTest, TestUpdateFileBackwards) {
createFile();
Baton<> baton;
bool updated = false;
FilePoller poller(tmpFile, std::chrono::milliseconds(1));
poller.addCallback([&]() {
updated = true;
baton.post();
});
updateModifiedTime(tmpFile, false);
ASSERT_TRUE(baton.timed_wait(std::chrono::seconds(5)));
ASSERT_TRUE(updated);
}
TEST_F(FilePollerTest, TestDeleteFile) {
Baton<> baton;
bool updated = false;
createFile();
FilePoller poller(milliseconds(1));
poller.addFileToTrack(tmpFile, [&]() {
updated = true;
baton.post();
});
PCHECK(remove(tmpFile.c_str()) == 0);
ASSERT_FALSE(baton.try_wait_for(seconds(1)));
ASSERT_FALSE(updated);
}
TEST_F(EventBaseThreadTest, move) {
auto ebt0 = EventBaseThread();
auto ebt1 = std::move(ebt0);
auto ebt2 = std::move(ebt1);
EXPECT_EQ(nullptr, ebt0.getEventBase());
EXPECT_EQ(nullptr, ebt1.getEventBase());
EXPECT_NE(nullptr, ebt2.getEventBase());
Baton<> done;
ebt2.getEventBase()->runInEventBaseThread([&] { done.post(); });
ASSERT_TRUE(done.try_wait_for(seconds(1)));
}
TEST_F(FilePollerTest, TestUpdateFile) {
createFile();
Baton<> baton;
bool updated = false;
FilePoller poller(milliseconds(1));
poller.addFileToTrack(tmpFile, [&]() {
updated = true;
baton.post();
});
updateModifiedTime(tmpFile);
ASSERT_TRUE(baton.try_wait_for(seconds(5)));
ASSERT_TRUE(updated);
}
TEST_F(ProcessTicketTest, TestUpdateTicketFile) {
Baton<> baton;
TLSTicketProcessor processor(ticketFile);
bool updated = false;
processor.addCallback([&](TLSTicketKeySeeds) {
updated = true;
baton.post();
});
CHECK(writeFile(validTicketData, ticketFile.c_str()));
updateModifiedTime(ticketFile);
baton.timed_wait(std::chrono::seconds(30));
ASSERT_TRUE(updated);
}
TEST(ThreadPoolExecutorTest, DynamicThreadAddRemoveRace) {
CPUThreadPoolExecutor e(1);
e.setThreadDeathTimeout(std::chrono::milliseconds(0));
std::atomic<uint64_t> count{0};
for (int i = 0; i < 10000; i++) {
Baton<> b;
e.add([&]() {
count.fetch_add(1, std::memory_order_relaxed);
b.post();
});
b.wait();
}
e.join();
EXPECT_EQ(count, 10000);
}
bool EventBase::runInEventBaseThreadAndWait(Func fn) {
if (inRunningEventBaseThread()) {
LOG(ERROR) << "EventBase " << this << ": Waiting in the event loop is not "
<< "allowed";
return false;
}
Baton<> ready;
runInEventBaseThread([&ready, fn = std::move(fn)]() mutable {
SCOPE_EXIT {
ready.post();
};
// A trick to force the stored functor to be executed and then destructed
// before posting the baton and waking the waiting thread.
copy(std::move(fn))();
});
TEST_F(EventBaseThreadTest, start_stop) {
EventBaseThread ebt(false);
for (size_t i = 0; i < 4; ++i) {
EXPECT_EQ(nullptr, ebt.getEventBase());
ebt.start();
EXPECT_NE(nullptr, ebt.getEventBase());
Baton<> done;
ebt.getEventBase()->runInEventBaseThread([&] { done.post(); });
ASSERT_TRUE(done.try_wait_for(seconds(1)));
EXPECT_NE(nullptr, ebt.getEventBase());
ebt.stop();
EXPECT_EQ(nullptr, ebt.getEventBase());
}
}
void run_timed_wait_regular_test() {
Baton<Atom> b;
auto thr = DSched::thread([&] {
bool rv = b.timed_wait(
std::chrono::time_point<std::chrono::system_clock>::max());
if (std::is_same<Atom<int>, std::atomic<int>>::value) {
// We can only ensure this for std::atomic
EXPECT_TRUE(rv);
}
});
if (std::is_same<Atom<int>, std::atomic<int>>::value) {
// If we are using std::atomic, then a sleep here guarantees to a large
// extent that 'thr' will execute wait before we post it, thus testing
// late delivery. For DeterministicAtomic, we just rely on
// DeterministicSchedule to do the scheduling
std::this_thread::sleep_for(std::chrono::milliseconds(2));
}
b.post();
DSched::join(thr);
}
TEST(Baton, basic) {
Baton<> b;
b.post();
b.wait();
}
void run_try_wait_tests() {
Baton<Atom> b;
EXPECT_FALSE(b.try_wait());
b.post();
EXPECT_TRUE(b.try_wait());
}
void run_basic_timed_wait_tests() {
Baton<Atom> b;
b.post();
// tests if early delivery works fine
EXPECT_TRUE(b.timed_wait(std::chrono::system_clock::now()));
}