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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2020, Google Inc.
*
* object.cpp - Object deletion tests
*/
#include <iostream>
#include <libcamera/base/object.h>
#include <libcamera/base/thread.h>
#include "test.h"
using namespace std;
using namespace libcamera;
class TestObject : public Object
{
public:
TestObject(unsigned int *count)
: deleteCount_(count)
{
}
~TestObject()
{
/* Count the deletions from the correct thread. */
if (thread() == Thread::current())
(*deleteCount_)++;
}
unsigned int *deleteCount_;
};
class NewThread : public Thread
{
public:
NewThread(Object *obj)
: object_(obj)
{
}
protected:
void run()
{
object_->deleteLater();
}
private:
Object *object_;
};
class ObjectDeleteTest : public Test
{
protected:
int run()
{
/*
* Test that deferred deletion is executed from the object's
* thread, not the caller's thread.
*/
unsigned int count = 0;
TestObject *obj = new TestObject(&count);
NewThread thread(obj);
thread.start();
thread.wait();
Thread::current()->dispatchMessages(Message::Type::DeferredDelete);
if (count != 1) {
cout << "Failed to dispatch DeferredDelete (" << count << ")" << endl;
return TestFail;
}
/*
* Test that multiple calls to deleteLater() delete the object
* once only.
*/
count = 0;
obj = new TestObject(&count);
obj->deleteLater();
obj->deleteLater();
Thread::current()->dispatchMessages(Message::Type::DeferredDelete);
if (count != 1) {
cout << "Multiple deleteLater() failed (" << count << ")" << endl;
return TestFail;
}
return TestPass;
}
};
TEST_REGISTER(ObjectDeleteTest)
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