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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/nix/test/test_stat.rs | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/nix/test/test_stat.rs')
-rw-r--r-- | third_party/rust/nix/test/test_stat.rs | 421 |
1 files changed, 421 insertions, 0 deletions
diff --git a/third_party/rust/nix/test/test_stat.rs b/third_party/rust/nix/test/test_stat.rs new file mode 100644 index 0000000000..55f15c0771 --- /dev/null +++ b/third_party/rust/nix/test/test_stat.rs @@ -0,0 +1,421 @@ +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +use std::fs; +use std::fs::File; +#[cfg(not(target_os = "redox"))] +use std::os::unix::fs::symlink; +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +use std::os::unix::fs::PermissionsExt; +use std::os::unix::prelude::AsRawFd; +#[cfg(not(target_os = "redox"))] +use std::path::Path; +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +use std::time::{Duration, UNIX_EPOCH}; + +use libc::mode_t; +#[cfg(not(any(target_os = "netbsd", target_os = "redox")))] +use libc::{S_IFLNK, S_IFMT}; + +#[cfg(not(target_os = "redox"))] +use nix::errno::Errno; +#[cfg(not(target_os = "redox"))] +use nix::fcntl; +#[cfg(any( + target_os = "linux", + target_os = "ios", + target_os = "macos", + target_os = "freebsd", + target_os = "netbsd" +))] +use nix::sys::stat::lutimes; +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +use nix::sys::stat::utimensat; +#[cfg(not(target_os = "redox"))] +use nix::sys::stat::FchmodatFlags; +use nix::sys::stat::Mode; +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +use nix::sys::stat::UtimensatFlags; +#[cfg(not(target_os = "redox"))] +use nix::sys::stat::{self}; +use nix::sys::stat::{fchmod, stat}; +#[cfg(not(target_os = "redox"))] +use nix::sys::stat::{fchmodat, mkdirat}; +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +use nix::sys::stat::{futimens, utimes}; + +#[cfg(not(any(target_os = "netbsd", target_os = "redox")))] +use nix::sys::stat::FileStat; + +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +use nix::sys::time::{TimeSpec, TimeVal, TimeValLike}; +#[cfg(not(target_os = "redox"))] +use nix::unistd::chdir; + +#[cfg(not(any(target_os = "netbsd", target_os = "redox")))] +use nix::Result; + +#[cfg(not(any(target_os = "netbsd", target_os = "redox")))] +fn assert_stat_results(stat_result: Result<FileStat>) { + let stats = stat_result.expect("stat call failed"); + assert!(stats.st_dev > 0); // must be positive integer, exact number machine dependent + assert!(stats.st_ino > 0); // inode is positive integer, exact number machine dependent + assert!(stats.st_mode > 0); // must be positive integer + assert_eq!(stats.st_nlink, 1); // there links created, must be 1 + assert_eq!(stats.st_size, 0); // size is 0 because we did not write anything to the file + assert!(stats.st_blksize > 0); // must be positive integer, exact number machine dependent + assert!(stats.st_blocks <= 16); // Up to 16 blocks can be allocated for a blank file +} + +#[cfg(not(any(target_os = "netbsd", target_os = "redox")))] +// (Android's st_blocks is ulonglong which is always non-negative.) +#[cfg_attr(target_os = "android", allow(unused_comparisons))] +#[allow(clippy::absurd_extreme_comparisons)] // Not absurd on all OSes +fn assert_lstat_results(stat_result: Result<FileStat>) { + let stats = stat_result.expect("stat call failed"); + assert!(stats.st_dev > 0); // must be positive integer, exact number machine dependent + assert!(stats.st_ino > 0); // inode is positive integer, exact number machine dependent + assert!(stats.st_mode > 0); // must be positive integer + + // st_mode is c_uint (u32 on Android) while S_IFMT is mode_t + // (u16 on Android), and that will be a compile error. + // On other platforms they are the same (either both are u16 or u32). + assert_eq!( + (stats.st_mode as usize) & (S_IFMT as usize), + S_IFLNK as usize + ); // should be a link + assert_eq!(stats.st_nlink, 1); // there links created, must be 1 + assert!(stats.st_size > 0); // size is > 0 because it points to another file + assert!(stats.st_blksize > 0); // must be positive integer, exact number machine dependent + + // st_blocks depends on whether the machine's file system uses fast + // or slow symlinks, so just make sure it's not negative + assert!(stats.st_blocks >= 0); +} + +#[test] +#[cfg(not(any(target_os = "netbsd", target_os = "redox")))] +fn test_stat_and_fstat() { + use nix::sys::stat::fstat; + + let tempdir = tempfile::tempdir().unwrap(); + let filename = tempdir.path().join("foo.txt"); + let file = File::create(&filename).unwrap(); + + let stat_result = stat(&filename); + assert_stat_results(stat_result); + + let fstat_result = fstat(file.as_raw_fd()); + assert_stat_results(fstat_result); +} + +#[test] +#[cfg(not(any(target_os = "netbsd", target_os = "redox")))] +fn test_fstatat() { + let tempdir = tempfile::tempdir().unwrap(); + let filename = tempdir.path().join("foo.txt"); + File::create(&filename).unwrap(); + let dirfd = + fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()); + + let result = + stat::fstatat(dirfd.unwrap(), &filename, fcntl::AtFlags::empty()); + assert_stat_results(result); +} + +#[test] +#[cfg(not(any(target_os = "netbsd", target_os = "redox")))] +fn test_stat_fstat_lstat() { + use nix::sys::stat::{fstat, lstat}; + + let tempdir = tempfile::tempdir().unwrap(); + let filename = tempdir.path().join("bar.txt"); + let linkname = tempdir.path().join("barlink"); + + File::create(&filename).unwrap(); + symlink("bar.txt", &linkname).unwrap(); + let link = File::open(&linkname).unwrap(); + + // should be the same result as calling stat, + // since it's a regular file + let stat_result = stat(&filename); + assert_stat_results(stat_result); + + let lstat_result = lstat(&linkname); + assert_lstat_results(lstat_result); + + let fstat_result = fstat(link.as_raw_fd()); + assert_stat_results(fstat_result); +} + +#[test] +fn test_fchmod() { + let tempdir = tempfile::tempdir().unwrap(); + let filename = tempdir.path().join("foo.txt"); + let file = File::create(&filename).unwrap(); + + let mut mode1 = Mode::empty(); + mode1.insert(Mode::S_IRUSR); + mode1.insert(Mode::S_IWUSR); + fchmod(file.as_raw_fd(), mode1).unwrap(); + + let file_stat1 = stat(&filename).unwrap(); + assert_eq!(file_stat1.st_mode as mode_t & 0o7777, mode1.bits()); + + let mut mode2 = Mode::empty(); + mode2.insert(Mode::S_IROTH); + fchmod(file.as_raw_fd(), mode2).unwrap(); + + let file_stat2 = stat(&filename).unwrap(); + assert_eq!(file_stat2.st_mode as mode_t & 0o7777, mode2.bits()); +} + +#[test] +#[cfg(not(target_os = "redox"))] +fn test_fchmodat() { + let _dr = crate::DirRestore::new(); + let tempdir = tempfile::tempdir().unwrap(); + let filename = "foo.txt"; + let fullpath = tempdir.path().join(filename); + File::create(&fullpath).unwrap(); + + let dirfd = + fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()) + .unwrap(); + + let mut mode1 = Mode::empty(); + mode1.insert(Mode::S_IRUSR); + mode1.insert(Mode::S_IWUSR); + fchmodat(Some(dirfd), filename, mode1, FchmodatFlags::FollowSymlink) + .unwrap(); + + let file_stat1 = stat(&fullpath).unwrap(); + assert_eq!(file_stat1.st_mode as mode_t & 0o7777, mode1.bits()); + + chdir(tempdir.path()).unwrap(); + + let mut mode2 = Mode::empty(); + mode2.insert(Mode::S_IROTH); + fchmodat(None, filename, mode2, FchmodatFlags::FollowSymlink).unwrap(); + + let file_stat2 = stat(&fullpath).unwrap(); + assert_eq!(file_stat2.st_mode as mode_t & 0o7777, mode2.bits()); +} + +/// Asserts that the atime and mtime in a file's metadata match expected values. +/// +/// The atime and mtime are expressed with a resolution of seconds because some file systems +/// (like macOS's HFS+) do not have higher granularity. +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +fn assert_times_eq( + exp_atime_sec: u64, + exp_mtime_sec: u64, + attr: &fs::Metadata, +) { + assert_eq!( + Duration::new(exp_atime_sec, 0), + attr.accessed().unwrap().duration_since(UNIX_EPOCH).unwrap() + ); + assert_eq!( + Duration::new(exp_mtime_sec, 0), + attr.modified().unwrap().duration_since(UNIX_EPOCH).unwrap() + ); +} + +#[test] +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +fn test_utimes() { + let tempdir = tempfile::tempdir().unwrap(); + let fullpath = tempdir.path().join("file"); + drop(File::create(&fullpath).unwrap()); + + utimes(&fullpath, &TimeVal::seconds(9990), &TimeVal::seconds(5550)) + .unwrap(); + assert_times_eq(9990, 5550, &fs::metadata(&fullpath).unwrap()); +} + +#[test] +#[cfg(any( + target_os = "linux", + target_os = "ios", + target_os = "macos", + target_os = "freebsd", + target_os = "netbsd" +))] +fn test_lutimes() { + let tempdir = tempfile::tempdir().unwrap(); + let target = tempdir.path().join("target"); + let fullpath = tempdir.path().join("symlink"); + drop(File::create(&target).unwrap()); + symlink(&target, &fullpath).unwrap(); + + let exp_target_metadata = fs::symlink_metadata(&target).unwrap(); + lutimes(&fullpath, &TimeVal::seconds(4560), &TimeVal::seconds(1230)) + .unwrap(); + assert_times_eq(4560, 1230, &fs::symlink_metadata(&fullpath).unwrap()); + + let target_metadata = fs::symlink_metadata(&target).unwrap(); + assert_eq!( + exp_target_metadata.accessed().unwrap(), + target_metadata.accessed().unwrap(), + "atime of symlink target was unexpectedly modified" + ); + assert_eq!( + exp_target_metadata.modified().unwrap(), + target_metadata.modified().unwrap(), + "mtime of symlink target was unexpectedly modified" + ); +} + +#[test] +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +fn test_futimens() { + let tempdir = tempfile::tempdir().unwrap(); + let fullpath = tempdir.path().join("file"); + drop(File::create(&fullpath).unwrap()); + + let fd = fcntl::open(&fullpath, fcntl::OFlag::empty(), stat::Mode::empty()) + .unwrap(); + + futimens(fd, &TimeSpec::seconds(10), &TimeSpec::seconds(20)).unwrap(); + assert_times_eq(10, 20, &fs::metadata(&fullpath).unwrap()); +} + +#[test] +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +fn test_utimensat() { + let _dr = crate::DirRestore::new(); + let tempdir = tempfile::tempdir().unwrap(); + let filename = "foo.txt"; + let fullpath = tempdir.path().join(filename); + drop(File::create(&fullpath).unwrap()); + + let dirfd = + fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()) + .unwrap(); + + utimensat( + Some(dirfd), + filename, + &TimeSpec::seconds(12345), + &TimeSpec::seconds(678), + UtimensatFlags::FollowSymlink, + ) + .unwrap(); + assert_times_eq(12345, 678, &fs::metadata(&fullpath).unwrap()); + + chdir(tempdir.path()).unwrap(); + + utimensat( + None, + filename, + &TimeSpec::seconds(500), + &TimeSpec::seconds(800), + UtimensatFlags::FollowSymlink, + ) + .unwrap(); + assert_times_eq(500, 800, &fs::metadata(&fullpath).unwrap()); +} + +#[test] +#[cfg(not(target_os = "redox"))] +fn test_mkdirat_success_path() { + let tempdir = tempfile::tempdir().unwrap(); + let filename = "example_subdir"; + let dirfd = + fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()) + .unwrap(); + mkdirat(dirfd, filename, Mode::S_IRWXU).expect("mkdirat failed"); + assert!(Path::exists(&tempdir.path().join(filename))); +} + +#[test] +#[cfg(not(any(target_os = "redox", target_os = "haiku")))] +fn test_mkdirat_success_mode() { + let expected_bits = + stat::SFlag::S_IFDIR.bits() | stat::Mode::S_IRWXU.bits(); + let tempdir = tempfile::tempdir().unwrap(); + let filename = "example_subdir"; + let dirfd = + fcntl::open(tempdir.path(), fcntl::OFlag::empty(), stat::Mode::empty()) + .unwrap(); + mkdirat(dirfd, filename, Mode::S_IRWXU).expect("mkdirat failed"); + let permissions = fs::metadata(tempdir.path().join(filename)) + .unwrap() + .permissions(); + let mode = permissions.mode(); + assert_eq!(mode as mode_t, expected_bits) +} + +#[test] +#[cfg(not(target_os = "redox"))] +fn test_mkdirat_fail() { + let tempdir = tempfile::tempdir().unwrap(); + let not_dir_filename = "example_not_dir"; + let filename = "example_subdir_dir"; + let dirfd = fcntl::open( + &tempdir.path().join(not_dir_filename), + fcntl::OFlag::O_CREAT, + stat::Mode::empty(), + ) + .unwrap(); + let result = mkdirat(dirfd, filename, Mode::S_IRWXU).unwrap_err(); + assert_eq!(result, Errno::ENOTDIR); +} + +#[test] +#[cfg(not(any( + target_os = "dragonfly", + target_os = "freebsd", + target_os = "ios", + target_os = "macos", + target_os = "haiku", + target_os = "redox" +)))] +fn test_mknod() { + use stat::{lstat, mknod, SFlag}; + + let file_name = "test_file"; + let tempdir = tempfile::tempdir().unwrap(); + let target = tempdir.path().join(file_name); + mknod(&target, SFlag::S_IFREG, Mode::S_IRWXU, 0).unwrap(); + let mode = lstat(&target).unwrap().st_mode as mode_t; + assert_eq!(mode & libc::S_IFREG, libc::S_IFREG); + assert_eq!(mode & libc::S_IRWXU, libc::S_IRWXU); +} + +#[test] +#[cfg(not(any( + target_os = "dragonfly", + target_os = "freebsd", + target_os = "illumos", + target_os = "ios", + target_os = "macos", + target_os = "haiku", + target_os = "redox" +)))] +fn test_mknodat() { + use fcntl::{AtFlags, OFlag}; + use nix::dir::Dir; + use stat::{fstatat, mknodat, SFlag}; + + let file_name = "test_file"; + let tempdir = tempfile::tempdir().unwrap(); + let target_dir = + Dir::open(tempdir.path(), OFlag::O_DIRECTORY, Mode::S_IRWXU).unwrap(); + mknodat( + target_dir.as_raw_fd(), + file_name, + SFlag::S_IFREG, + Mode::S_IRWXU, + 0, + ) + .unwrap(); + let mode = fstatat( + target_dir.as_raw_fd(), + file_name, + AtFlags::AT_SYMLINK_NOFOLLOW, + ) + .unwrap() + .st_mode as mode_t; + assert_eq!(mode & libc::S_IFREG, libc::S_IFREG); + assert_eq!(mode & libc::S_IRWXU, libc::S_IRWXU); +} |