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/*
* SPDX-FileCopyrightText: 2019-2019 CSSlayer <wengxt@gmail.com>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
*/
#include <unistd.h>
#include <atomic>
#include <mutex>
#include <thread>
#include <vector>
#include "fcitx-utils/event.h"
#include "fcitx-utils/eventdispatcher.h"
#include "fcitx-utils/eventloopinterface.h"
#include "fcitx-utils/log.h"
#include "fcitx-utils/trackableobject.h"
using namespace fcitx;
std::atomic<int> a = 0;
void scheduleEvent(EventDispatcher *dispatcher, EventLoop *loop) {
for (int i = 0; i < 100; i++) {
dispatcher->schedule([]() { a.fetch_add(1); });
}
while (a != 100) {
usleep(1000);
}
dispatcher->schedule([loop, dispatcher]() {
loop->exit();
dispatcher->detach();
});
}
void basicTest() {
EventLoop loop;
EventDispatcher dispatcher;
dispatcher.attach(&loop);
std::thread thread(scheduleEvent, &dispatcher, &loop);
loop.exec();
thread.join();
}
void testOrder() {
EventLoop loop;
EventDispatcher dispatcher;
dispatcher.attach(&loop);
std::vector<int> value;
for (int i = 0; i < 100; i++) {
dispatcher.schedule([i, &value]() { value.push_back(i); });
}
dispatcher.schedule([&loop]() { loop.exit(); });
loop.exec();
FCITX_ASSERT(value.size() == 100);
for (int i = 0; i < 100; i++) {
FCITX_ASSERT(i == value[i]) << i << " " << value[i];
}
}
void recursiveSchedule() {
EventDispatcher dispatcher;
EventLoop loop;
dispatcher.attach(&loop);
int counter = 0;
std::function<void()> callback = [&dispatcher, &counter, &loop,
&callback]() {
if (counter == 100) {
loop.exit();
return;
}
++counter;
dispatcher.schedule(callback);
};
dispatcher.schedule(callback);
loop.exec();
FCITX_ASSERT(counter == 100);
}
class TestObject : public TrackableObject<TestObject> {};
void withContext() {
EventDispatcher dispatcher;
EventLoop loop;
dispatcher.attach(&loop);
bool called = false;
bool invalidCalled = false;
TestObject validObject;
{
TestObject invalidObject;
dispatcher.scheduleWithContext(validObject.watch(),
[&called]() { called = true; });
dispatcher.scheduleWithContext(
invalidObject.watch(),
[&invalidCalled]() { invalidCalled = true; });
}
dispatcher.schedule([&loop]() { loop.exit(); });
loop.exec();
FCITX_ASSERT(called);
FCITX_ASSERT(!invalidCalled);
}
void scheduleNull() {
EventLoop e;
EventDispatcher dispatcher;
std::mutex readyLock;
bool ready = false;
// Post event may run immediately after exec, so we need a "ready" to ensure
// it is after schedule the event.
auto post = e.addPostEvent([&ready, &readyLock, &e](EventSource *) {
FCITX_INFO() << "POST IO";
{
std::lock_guard<std::mutex> lock(readyLock);
if (ready) {
e.exit();
}
}
return true;
});
dispatcher.attach(&e);
std::thread thread([&dispatcher, &ready, &readyLock]() {
sleep(2);
{
std::lock_guard<std::mutex> lock(readyLock);
ready = true;
}
// Test schedule nullptr is accepted.
dispatcher.schedule(nullptr);
});
e.exec();
thread.join();
}
int main() {
fcitx::Log::setLogRule("*=5");
basicTest();
testOrder();
recursiveSchedule();
withContext();
scheduleNull();
return 0;
}
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