ladybird/Tests/LibCore/TestLibCoreFileWatcher.cpp
2024-06-07 09:44:41 +02:00

63 lines
1.9 KiB
C++

/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/EventLoop.h>
#include <LibCore/FileWatcher.h>
#include <LibCore/Timer.h>
#include <LibTest/TestCase.h>
#include <fcntl.h>
#include <unistd.h>
TEST_CASE(file_watcher_child_events)
{
auto event_loop = Core::EventLoop();
auto maybe_file_watcher = Core::FileWatcher::create();
EXPECT_NE(maybe_file_watcher.is_error(), true);
auto file_watcher = maybe_file_watcher.release_value();
auto watch_result = file_watcher->add_watch("/tmp/",
Core::FileWatcherEvent::Type::ChildCreated
| Core::FileWatcherEvent::Type::ChildDeleted);
EXPECT_NE(watch_result.is_error(), true);
int event_count = 0;
file_watcher->on_change = [&](Core::FileWatcherEvent const& event) {
// Ignore path events under /tmp that can occur for anything else the OS is
// doing to create/delete files there.
if (event.event_path != "/tmp/testfile"sv)
return;
if (event_count == 0) {
EXPECT(has_flag(event.type, Core::FileWatcherEvent::Type::ChildCreated));
} else if (event_count == 1) {
EXPECT(has_flag(event.type, Core::FileWatcherEvent::Type::ChildDeleted));
EXPECT(MUST(file_watcher->remove_watch("/tmp/"sv)));
event_loop.quit(0);
}
event_count++;
};
auto timer1 = Core::Timer::create_single_shot(500, [&] {
int rc = creat("/tmp/testfile", 0777);
EXPECT_NE(rc, -1);
});
timer1->start();
auto timer2 = Core::Timer::create_single_shot(1000, [&] {
int rc = unlink("/tmp/testfile");
EXPECT_NE(rc, -1);
});
timer2->start();
auto catchall_timer = Core::Timer::create_single_shot(2000, [&] {
VERIFY_NOT_REACHED();
});
catchall_timer->start();
event_loop.exec();
}