/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera Camera API tests */ #include <iostream> #include "camera_test.h" using namespace std; namespace { class Statemachine : public CameraTest { protected: int testAvailable() { /* Test operations which should fail. */ if (camera_->configureStreams(defconf_) != -EACCES) return TestFail; if (camera_->allocateBuffers() != -EACCES) return TestFail; if (camera_->freeBuffers() != -EACCES) return TestFail; if (camera_->createRequest()) return TestFail; if (camera_->start() != -EACCES) return TestFail; Request request(camera_.get()); if (camera_->queueRequest(&request) != -EACCES) return TestFail; if (camera_->stop() != -EACCES) return TestFail; /* Test operations which should pass. */ if (camera_->release()) return TestFail; /* Test valid state transitions, end in Acquired state. */ if (camera_->acquire()) return TestFail; return TestPass; } int testAcquired() { /* Test operations which should fail. */ if (camera_->acquire() != -EBUSY) return TestFail; if (camera_->allocateBuffers() != -EACCES) return TestFail; if (camera_->freeBuffers() != -EACCES) return TestFail; if (camera_->createRequest()) return TestFail; if (camera_->start() != -EACCES) return TestFail; Request request(camera_.get()); if (camera_->queueRequest(&request) != -EACCES) return TestFail; if (camera_->stop() != -EACCES) return TestFail; /* Test valid state transitions, end in Configured state. */ if (camera_->release()) return TestFail; if (camera_->acquire()) return TestFail; if (camera_->configureStreams(defconf_)) return TestFail; return TestPass; } int testConfigured() { /* Test operations which should fail. */ if (camera_->acquire() != -EBUSY) return TestFail; if (camera_->freeBuffers() != -EACCES) return TestFail; if (camera_->createRequest()) return TestFail; Request request(camera_.get()); if (camera_->queueRequest(&request) != -EACCES) return TestFail; if (camera_->start() != -EACCES) return TestFail; if (camera_->stop() != -EACCES) return TestFail; /* Test operations which should pass. */ if (camera_->configureStreams(defconf_)) return TestFail; /* Test valid state transitions, end in Prepared state. */ if (camera_->release()) return TestFail; if (camera_->acquire()) return TestFail; if (camera_->configureStreams(defconf_)) return TestFail; if (camera_->allocateBuffers()) return TestFail; return TestPass; } int testPrepared() { /* Test operations which should fail. */ if (camera_->acquire() != -EBUSY) return TestFail; if (camera_->release() != -EBUSY) return TestFail; if (camera_->configureStreams(defconf_) != -EACCES) return TestFail; if (camera_->allocateBuffers() != -EACCES) return TestFail; Request request1(camera_.get()); if (camera_->queueRequest(&request1) != -EACCES) return TestFail; if (camera_->stop() != -EACCES) return TestFail; /* Test operations which should pass. */ Request *request2 = camera_->createRequest(); if (!request2) return TestFail; /* Never handed to hardware so need to manually delete it. */ delete request2; /* Test valid state transitions, end in Running state. */ if (camera_->freeBuffers()) return TestFail; if (camera_->release()) return TestFail; if (camera_->acquire()) return TestFail; if (camera_->configureStreams(defconf_)) return TestFail; if (camera_->allocateBuffers()) return TestFail; if (camera_->start()) return TestFail; return TestPass; } int testRuning() { /* Test operations which should fail. */ if (camera_->acquire() != -EBUSY) return TestFail; if (camera_->release() != -EBUSY) return TestFail; if (camera_->configureStreams(defconf_) != -EACCES) return TestFail; if (camera_->allocateBuffers() != -EACCES) return TestFail; if (camera_->freeBuffers() != -EACCES) return TestFail; if (camera_->start() != -EACCES) return TestFail; /* Test operations which should pass. */ Request *request = camera_->createRequest(); if (!request) return TestFail; Stream *stream = *camera_->streams().begin(); BufferPool &pool = stream->bufferPool(); Buffer &buffer = pool.buffers().front(); std::map<Stream *, Buffer *> map = { { stream, &buffer } }; if (request->setBuffers(map)) return TestFail; if (camera_->queueRequest(request)) return TestFail; /* Test valid state transitions, end in Available state. */ if (camera_->stop()) return TestFail; if (camera_->freeBuffers()) return TestFail; if (camera_->release()) return TestFail; return TestPass; } int run() { Stream *stream = *camera_->streams().begin(); std::set<Stream *> streams = { stream }; defconf_ = camera_->streamConfiguration(streams); if (testAvailable() != TestPass) { cout << "State machine in Available state failed" << endl; return TestFail; } if (testAcquired() != TestPass) { cout << "State machine in Acquired state failed" << endl; return TestFail; } if (testConfigured() != TestPass) { cout << "State machine in Configured state failed" << endl; return TestFail; } if (testPrepared() != TestPass) { cout << "State machine in Prepared state failed" << endl; return TestFail; } if (testRuning() != TestPass) { cout << "State machine in Running state failed" << endl; return TestFail; } return TestPass; } std::map<Stream *, StreamConfiguration> defconf_; }; } /* namespace */ TEST_REGISTER(Statemachine);