/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * threads.cpp - Threads test */ #include <chrono> #include <iostream> #include <thread> #include "libcamera/internal/thread.h" #include "test.h" using namespace std; using namespace libcamera; class DelayThread : public Thread { public: DelayThread(chrono::steady_clock::duration duration) : duration_(duration) { } protected: void run() { this_thread::sleep_for(duration_); } private: chrono::steady_clock::duration duration_; }; class ThreadTest : public Test { protected: int init() { return 0; } int run() { /* Test Thread() retrieval for the main thread. */ Thread *thread = Thread::current(); if (!thread) { cout << "Thread::current() failed to main thread" << endl; return TestFail; } if (!thread->isRunning()) { cout << "Main thread is not running" << endl; return TestFail; } /* Test starting the main thread, the test shall not crash. */ thread->start(); /* Test the running state of a custom thread. */ thread = new Thread(); thread->start(); if (!thread->isRunning()) { cout << "Thread is not running after being started" << endl; return TestFail; } thread->exit(0); thread->wait(); if (thread->isRunning()) { cout << "Thread is still running after finishing" << endl; return TestFail; } delete thread; /* Test waiting for completion with a timeout. */ thread = new DelayThread(chrono::milliseconds(500)); thread->start(); thread->exit(0); bool timeout = !thread->wait(chrono::milliseconds(100)); if (!timeout) { cout << "Waiting for thread didn't time out" << endl; return TestFail; } timeout = !thread->wait(chrono::milliseconds(1000)); if (timeout) { cout << "Waiting for thread timed out" << endl; return TestFail; } delete thread; /* Test waiting on a thread that isn't running. */ thread = new Thread(); timeout = !thread->wait(); if (timeout) { cout << "Waiting for non-started thread timed out" << endl; return TestFail; } thread->start(); thread->exit(0); thread->wait(); timeout = !thread->wait(); if (timeout) { cout << "Waiting for already stopped thread timed out" << endl; return TestFail; } return TestPass; } void cleanup() { } }; TEST_REGISTER(ThreadTest)