From b9b54fd1b4b10e783ef6a2397913071aeb07d0c3 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sun, 29 Mar 2020 18:36:38 +0300 Subject: test: Add File class tests MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add tests for the File class API. Signed-off-by: Laurent Pinchart Reviewed-by: Niklas Söderlund --- test/file.cpp | 293 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ test/meson.build | 1 + 2 files changed, 294 insertions(+) create mode 100644 test/file.cpp (limited to 'test') diff --git a/test/file.cpp b/test/file.cpp new file mode 100644 index 00000000..65583998 --- /dev/null +++ b/test/file.cpp @@ -0,0 +1,293 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * file.cpp - File I/O operations tests + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "file.h" +#include "test.h" + +using namespace std; +using namespace libcamera; + +class FileTest : public Test +{ +protected: + int init() + { + fileName_ = "/tmp/libcamera.test.XXXXXX"; + int fd = mkstemp(&fileName_.front()); + if (fd == -1) + return TestFail; + + write(fd, "libcamera", 9); + close(fd); + + return TestPass; + } + + int run() + { + /* Test static functions. */ + if (!File::exists("/dev/null")) { + cerr << "Valid file not found" << endl; + return TestFail; + } + + if (File::exists("/dev/null/invalid")) { + cerr << "Invalid file should not exist" << endl; + return TestFail; + } + + /* Test unnamed file. */ + File file; + + if (!file.fileName().empty()) { + cerr << "Unnamed file has non-empty file name" << endl; + return TestFail; + } + + if (file.exists()) { + cerr << "Unnamed file exists" << endl; + return TestFail; + } + + if (file.isOpen()) { + cerr << "File is open after construction" << endl; + return TestFail; + } + + if (file.openMode() != File::NotOpen) { + cerr << "File has invalid open mode after construction" + << endl; + return TestFail; + } + + if (file.size() >= 0) { + cerr << "Unnamed file has a size" << endl; + return TestFail; + } + + if (file.open(File::ReadWrite)) { + cerr << "Opening unnamed file succeeded" << endl; + return TestFail; + } + + if (file.error() == 0) { + cerr << "Open failure didn't set error" << endl; + return TestFail; + } + + /* Test named file referring to an invalid file. */ + file.setFileName("/dev/null/invalid"); + + if (file.fileName() != "/dev/null/invalid") { + cerr << "File reports incorrect file name" << endl; + return TestFail; + } + + if (file.exists()) { + cerr << "Invalid file exists" << endl; + return TestFail; + } + + if (file.isOpen()) { + cerr << "Invalid file is open after construction" << endl; + return TestFail; + } + + if (file.openMode() != File::NotOpen) { + cerr << "Invalid file has invalid open mode after construction" + << endl; + return TestFail; + } + + if (file.size() >= 0) { + cerr << "Invalid file has a size" << endl; + return TestFail; + } + + if (file.open(File::ReadWrite)) { + cerr << "Opening invalid file succeeded" << endl; + return TestFail; + } + + /* Test named file referring to a valid file. */ + file.setFileName("/dev/null"); + + if (!file.exists()) { + cerr << "Valid file does not exist" << endl; + return TestFail; + } + + if (file.isOpen()) { + cerr << "Valid file is open after construction" << endl; + return TestFail; + } + + if (file.openMode() != File::NotOpen) { + cerr << "Valid file has invalid open mode after construction" + << endl; + return TestFail; + } + + if (file.size() >= 0) { + cerr << "Invalid file has a size" << endl; + return TestFail; + } + + /* Test open and close. */ + if (!file.open(File::ReadWrite)) { + cerr << "Opening file failed" << endl; + return TestFail; + } + + if (!file.isOpen()) { + cerr << "Open file reported as closed" << endl; + return TestFail; + } + + if (file.openMode() != File::ReadWrite) { + cerr << "Open file has invalid open mode" << endl; + return TestFail; + } + + file.close(); + + if (file.isOpen()) { + cerr << "Closed file reported as open" << endl; + return TestFail; + } + + if (file.openMode() != File::NotOpen) { + cerr << "Closed file has invalid open mode" << endl; + return TestFail; + } + + /* Test size(). */ + file.setFileName("/proc/self/exe"); + + if (file.size() >= 0) { + cerr << "File has valid size before open" << endl; + return TestFail; + } + + file.open(File::ReadOnly); + + ssize_t size = file.size(); + if (size <= 0) { + cerr << "File has invalid size after open" << endl; + return TestFail; + } + + /* Test mapping and unmapping. */ + Span data = file.map(); + if (data.empty()) { + cerr << "Mapping of complete file failed" << endl; + return TestFail; + } + + if (data.size() != static_cast(size)) { + cerr << "Mapping of complete file has invalid size" << endl; + return TestFail; + } + + if (!file.unmap(data.data())) { + cerr << "Unmapping of complete file failed" << endl; + return TestFail; + } + + data = file.map(4096, 8192); + if (data.empty()) { + cerr << "Mapping of file region failed" << endl; + return TestFail; + } + + if (data.size() != 8192) { + cerr << "Mapping of file region has invalid size" << endl; + return TestFail; + } + + if (!file.unmap(data.data())) { + cerr << "Unmapping of file region failed" << endl; + return TestFail; + } + + file.close(); + + /* Test private mapping. */ + file.setFileName(fileName_); + file.open(File::ReadWrite); + + data = file.map(0, -1, File::MapPrivate); + if (data.empty()) { + cerr << "Private mapping failed" << endl; + return TestFail; + } + + std::string str{ reinterpret_cast(data.data()), data.size() }; + if (str != "libcamera") { + cerr << "Invalid contents of private mapping" << endl; + return TestFail; + } + + memcpy(data.data(), "LIBCAMERA", 9); + + if (!file.unmap(data.data())) { + cerr << "Private unmapping failed" << endl; + return TestFail; + } + + data = file.map(); + + str = { reinterpret_cast(data.data()), data.size() }; + if (str != "libcamera") { + cerr << "Private mapping changed file contents" << endl; + return TestFail; + } + + /* Test shared mapping. */ + data = file.map(); + if (data.empty()) { + cerr << "Shared mapping failed" << endl; + return TestFail; + } + + memcpy(data.data(), "LIBCAMERA", 9); + + if (!file.unmap(data.data())) { + cerr << "Shared unmapping failed" << endl; + return TestFail; + } + + data = file.map(); + + str = { reinterpret_cast(data.data()), data.size() }; + if (str != "LIBCAMERA") { + cerr << "Shared mapping failed to change file contents" + << endl; + return TestFail; + } + + return TestPass; + } + + void cleanup() + { + unlink(fileName_.c_str()); + } + +private: + std::string fileName_; +}; + +TEST_REGISTER(FileTest) diff --git a/test/meson.build b/test/meson.build index 8ab58ac1..5a45a85e 100644 --- a/test/meson.build +++ b/test/meson.build @@ -26,6 +26,7 @@ internal_tests = [ ['event', 'event.cpp'], ['event-dispatcher', 'event-dispatcher.cpp'], ['event-thread', 'event-thread.cpp'], + ['file', 'file.cpp'], ['file-descriptor', 'file-descriptor.cpp'], ['message', 'message.cpp'], ['object', 'object.cpp'], -- cgit v1.2.1