/* 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)