diff options
| -rw-r--r-- | test/meson.build | 1 | ||||
| -rw-r--r-- | test/unique-fd.cpp | 220 |
2 files changed, 221 insertions, 0 deletions
diff --git a/test/meson.build b/test/meson.build index d0466f17..42dfbc1f 100644 --- a/test/meson.build +++ b/test/meson.build @@ -53,6 +53,7 @@ internal_tests = [ ['threads', 'threads.cpp'], ['timer', 'timer.cpp'], ['timer-thread', 'timer-thread.cpp'], + ['unique-fd', 'unique-fd.cpp'], ['utils', 'utils.cpp'], ] diff --git a/test/unique-fd.cpp b/test/unique-fd.cpp new file mode 100644 index 00000000..eb3b591f --- /dev/null +++ b/test/unique-fd.cpp @@ -0,0 +1,220 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2021, Google Inc. + * + * unique-fd.cpp - UniqueFD test + */ + +#include <fcntl.h> +#include <iostream> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> + +#include <libcamera/base/unique_fd.h> +#include <libcamera/base/utils.h> + +#include "test.h" + +using namespace libcamera; +using namespace std; + +class UniqueFDTest : public Test +{ +protected: + int init() override + { + return createFd(); + } + + int run() override + { + /* Test creating empty UniqueFD. */ + UniqueFD fd; + + if (fd.isValid() || fd.get() != -1) { + std::cout << "Failed fd check (default constructor)" + << std::endl; + return TestFail; + } + + /* Test creating UniqueFD from numerical file descriptor. */ + UniqueFD fd2(fd_); + if (!fd2.isValid() || fd2.get() != fd_) { + std::cout << "Failed fd check (fd constructor)" + << std::endl; + return TestFail; + } + + if (!isValidFd(fd_)) { + std::cout << "Failed fd validity (fd constructor)" + << std::endl; + return TestFail; + } + + /* Test move constructor. */ + UniqueFD fd3(std::move(fd2)); + if (!fd3.isValid() || fd3.get() != fd_) { + std::cout << "Failed fd check (move constructor)" + << std::endl; + return TestFail; + } + + if (fd2.isValid() || fd2.get() != -1) { + std::cout << "Failed moved fd check (move constructor)" + << std::endl; + return TestFail; + } + + if (!isValidFd(fd_)) { + std::cout << "Failed fd validity (move constructor)" + << std::endl; + return TestFail; + } + + /* Test move assignment operator. */ + fd = std::move(fd3); + if (!fd.isValid() || fd.get() != fd_) { + std::cout << "Failed fd check (move assignment)" + << std::endl; + return TestFail; + } + + if (fd3.isValid() || fd3.get() != -1) { + std::cout << "Failed moved fd check (move assignment)" + << std::endl; + return TestFail; + } + + if (!isValidFd(fd_)) { + std::cout << "Failed fd validity (move assignment)" + << std::endl; + return TestFail; + } + + /* Test swapping. */ + fd2.swap(fd); + if (!fd2.isValid() || fd2.get() != fd_) { + std::cout << "Failed fd check (swap)" + << std::endl; + return TestFail; + } + + if (fd.isValid() || fd.get() != -1) { + std::cout << "Failed swapped fd check (swap)" + << std::endl; + return TestFail; + } + + if (!isValidFd(fd_)) { + std::cout << "Failed fd validity (swap)" + << std::endl; + return TestFail; + } + + /* Test release. */ + int numFd = fd2.release(); + if (fd2.isValid() || fd2.get() != -1) { + std::cout << "Failed fd check (release)" + << std::endl; + return TestFail; + } + + if (numFd != fd_) { + std::cout << "Failed released fd check (release)" + << std::endl; + return TestFail; + } + + if (!isValidFd(fd_)) { + std::cout << "Failed fd validity (release)" + << std::endl; + return TestFail; + } + + /* Test reset assignment. */ + fd.reset(numFd); + if (!fd.isValid() || fd.get() != fd_) { + std::cout << "Failed fd check (reset assignment)" + << std::endl; + return TestFail; + } + + if (!isValidFd(fd_)) { + std::cout << "Failed fd validity (reset assignment)" + << std::endl; + return TestFail; + } + + /* Test reset destruction. */ + fd.reset(); + if (fd.isValid() || fd.get() != -1) { + std::cout << "Failed fd check (reset destruction)" + << std::endl; + return TestFail; + } + + if (isValidFd(fd_)) { + std::cout << "Failed fd validity (reset destruction)" + << std::endl; + return TestFail; + } + + /* Test destruction. */ + if (createFd() == TestFail) { + std::cout << "Failed to recreate test fd" + << std::endl; + return TestFail; + } + + { + UniqueFD fd4(fd_); + } + + if (isValidFd(fd_)) { + std::cout << "Failed fd validity (destruction)" + << std::endl; + return TestFail; + } + + return TestPass; + } + + void cleanup() override + { + if (fd_ > 0) + close(fd_); + } + +private: + int createFd() + { + fd_ = open("/tmp", O_TMPFILE | O_RDWR, S_IRUSR | S_IWUSR); + if (fd_ < 0) + return TestFail; + + /* Cache inode number of temp file. */ + struct stat s; + if (fstat(fd_, &s)) + return TestFail; + + inodeNr_ = s.st_ino; + + return 0; + } + + bool isValidFd(int fd) + { + struct stat s; + if (fstat(fd, &s)) + return false; + + /* Check that inode number matches cached temp file. */ + return s.st_ino == inodeNr_; + } + + int fd_; + ino_t inodeNr_; +}; + +TEST_REGISTER(UniqueFDTest) |