/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * libcamera Camera API tests */ #include <iostream> #include "camera_test.h" #include "test.h" using namespace std; namespace { class Statemachine : public CameraTest, public Test { public: Statemachine() : CameraTest("VIMC Sensor B") { } protected: int testAvailable() { /* Test operations which should fail. */ if (camera_->configure(defconf_.get()) != -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_->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_->configure(defconf_.get())) return TestFail; return TestPass; } int testConfigured() { /* Test operations which should fail. */ if (camera_->acquire() != -EBUSY) 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_->release()) return TestFail; if (camera_->acquire()) return TestFail; if (camera_->configure(defconf_.get())) return TestFail; /* Use internally allocated buffers. */ allocator_ = new FrameBufferAllocator(camera_); Stream *stream = *camera_->streams().begin(); if (allocator_->allocate(stream) < 0) 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_->configure(defconf_.get()) != -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(); if (request->addBuffer(stream, allocator_->buffers(stream)[0].get())) return TestFail; if (camera_->queueRequest(request)) return TestFail; /* Test valid state transitions, end in Available state. */ if (camera_->stop()) return TestFail; delete allocator_; if (camera_->release()) return TestFail; return TestPass; } int init() override { if (status_ != TestPass) return status_; defconf_ = camera_->generateConfiguration({ StreamRole::VideoRecording }); if (!defconf_) { cout << "Failed to generate default configuration" << endl; return TestFail; } return TestPass; } int run() override { 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 (testRuning() != TestPass) { cout << "State machine in Running state failed" << endl; return TestFail; } return TestPass; } std::unique_ptr<CameraConfiguration> defconf_; FrameBufferAllocator *allocator_; }; } /* namespace */ TEST_REGISTER(Statemachine);