From 92b4af98cd67e29890aabd15b8e2af314d761768 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sun, 11 Aug 2019 18:51:48 +0300 Subject: test: Add EventNotifier thread move test MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The test verifies correct behaviour of an enabled event notifier moved to a different thread. Signed-off-by: Laurent Pinchart Reviewed-by: Jacopo Mondi Reviewed-by: Niklas Söderlund --- test/event-thread.cpp | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++ test/meson.build | 1 + 2 files changed, 122 insertions(+) create mode 100644 test/event-thread.cpp diff --git a/test/event-thread.cpp b/test/event-thread.cpp new file mode 100644 index 00000000..5488a44a --- /dev/null +++ b/test/event-thread.cpp @@ -0,0 +1,121 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2019, Google Inc. + * + * event-thread.cpp - Threaded event test + */ + +#include +#include +#include +#include + +#include +#include + +#include "test.h" +#include "thread.h" + +using namespace std; +using namespace libcamera; + +class EventHandler : public Object +{ +public: + EventHandler() + : notified_(false) + { + pipe(pipefd_); + + notifier_ = new EventNotifier(pipefd_[0], EventNotifier::Read); + notifier_->activated.connect(this, &EventHandler::readReady); + } + + ~EventHandler() + { + delete notifier_; + + close(pipefd_[0]); + close(pipefd_[1]); + } + + int notify() + { + std::string data("H2G2"); + ssize_t ret; + + memset(data_, 0, sizeof(data_)); + size_ = 0; + + ret = write(pipefd_[1], data.data(), data.size()); + if (ret < 0) { + cout << "Pipe write failed" << endl; + return TestFail; + } + + return TestPass; + } + + bool notified() const + { + return notified_; + } + + void moveToThread(Thread *thread) + { + Object::moveToThread(thread); + notifier_->moveToThread(thread); + } + +private: + void readReady(EventNotifier *notifier) + { + size_ = read(notifier->fd(), data_, sizeof(data_)); + notified_ = true; + } + + EventNotifier *notifier_; + + int pipefd_[2]; + + bool notified_; + char data_[16]; + ssize_t size_; +}; + +class EventThreadTest : public Test +{ +protected: + int run() + { + Thread thread; + thread.start(); + + /* + * Fire the event notifier and then move the notifier to a + * different thread. The notifier will not notice the event + * immediately as there is no event dispatcher loop running in + * the main thread. This tests that a notifier being moved to a + * different thread will correctly process already pending + * events in the new thread. + */ + EventHandler handler; + handler.notify(); + handler.moveToThread(&thread); + + this_thread::sleep_for(chrono::milliseconds(100)); + + /* Must stop thread before destroying the handler. */ + thread.exit(0); + thread.wait(); + + if (!handler.notified()) { + cout << "Thread event handling test failed" << endl; + return TestFail; + } + + return TestPass; + } +}; + +TEST_REGISTER(EventThreadTest) diff --git a/test/meson.build b/test/meson.build index c6601813..f695ffd7 100644 --- a/test/meson.build +++ b/test/meson.build @@ -23,6 +23,7 @@ public_tests = [ internal_tests = [ ['camera-sensor', 'camera-sensor.cpp'], + ['event-thread', 'event-thread.cpp'], ['message', 'message.cpp'], ['object', 'object.cpp'], ['object-invoke', 'object-invoke.cpp'], -- cgit v1.2.1