Files
ladybird/Tests/LibCore/TestLibCoreEventLoop.cpp

45 lines
1.2 KiB
C++

/*
* Copyright (c) 2025, Gregory Bertilson <gregory@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/OwnPtr.h>
#include <LibCore/EventLoop.h>
#include <LibTest/TestCase.h>
#include <LibThreading/Thread.h>
TEST_CASE(test_poll_for_events)
{
Core::EventLoop event_loop;
event_loop.pump(Core::EventLoop::WaitMode::PollForEvents);
}
// Simulate the condition that occurs during exit(): ThreadData (thread-local) is destroyed
// while the EventLoop (normally stack-allocated) is still alive. Another thread holding a
// WeakEventLoopReference can then call wake(), which must handle the closed pipe FD gracefully.
TEST_CASE(wake_after_thread_exit)
{
Core::EventLoop main_loop;
IGNORE_USE_IN_ESCAPING_LAMBDA OwnPtr<Core::EventLoop> worker_loop;
IGNORE_USE_IN_ESCAPING_LAMBDA RefPtr<Core::WeakEventLoopReference> weak_ref;
auto thread = Threading::Thread::construct("Worker"sv, [&] {
worker_loop = make<Core::EventLoop>();
weak_ref = Core::EventLoop::current_weak();
return 0;
});
thread->start();
MUST(thread->join());
{
auto strong = weak_ref->take();
if (strong)
strong->wake();
}
worker_loop.clear();
}