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use nix::sys::statfs::*;
use nix::sys::statvfs::*;
use std::fs::File;
use std::path::Path;
fn check_fstatfs(path: &str) {
if !Path::new(path).exists() {
return;
}
let vfs = statvfs(path.as_bytes()).unwrap();
let file = File::open(path).unwrap();
let fs = fstatfs(&file).unwrap();
assert_fs_equals(fs, vfs);
}
fn check_statfs(path: &str) {
if !Path::new(path).exists() {
return;
}
let vfs = statvfs(path.as_bytes()).unwrap();
let fs = statfs(path.as_bytes()).unwrap();
assert_fs_equals(fs, vfs);
}
fn check_fstatfs_strict(path: &str) {
if !Path::new(path).exists() {
return;
}
let vfs = statvfs(path.as_bytes());
let file = File::open(path).unwrap();
let fs = fstatfs(&file);
assert_fs_equals_strict(fs.unwrap(), vfs.unwrap())
}
fn check_statfs_strict(path: &str) {
if !Path::new(path).exists() {
return;
}
let vfs = statvfs(path.as_bytes());
let fs = statfs(path.as_bytes());
assert_fs_equals_strict(fs.unwrap(), vfs.unwrap())
}
// The cast is not unnecessary on all platforms.
#[allow(clippy::unnecessary_cast)]
fn assert_fs_equals(fs: Statfs, vfs: Statvfs) {
assert_eq!(fs.blocks() as u64, vfs.blocks() as u64);
assert_eq!(fs.block_size() as u64, vfs.fragment_size() as u64);
}
#[test]
fn statfs_call() {
check_statfs("/tmp");
check_statfs("/dev");
check_statfs("/run");
check_statfs("/");
}
#[test]
fn fstatfs_call() {
check_fstatfs("/tmp");
check_fstatfs("/dev");
check_fstatfs("/run");
check_fstatfs("/");
}
// This test is ignored because files_free/blocks_free can change after statvfs call and before
// statfs call.
#[test]
#[ignore]
fn statfs_call_strict() {
check_statfs_strict("/tmp");
check_statfs_strict("/dev");
check_statfs_strict("/run");
check_statfs_strict("/");
}
// This test is ignored because files_free/blocks_free can change after statvfs call and before
// fstatfs call.
#[test]
#[ignore]
fn fstatfs_call_strict() {
check_fstatfs_strict("/tmp");
check_fstatfs_strict("/dev");
check_fstatfs_strict("/run");
check_fstatfs_strict("/");
}
// The cast is not unnecessary on all platforms.
#[allow(clippy::unnecessary_cast)]
fn assert_fs_equals_strict(fs: Statfs, vfs: Statvfs) {
assert_eq!(fs.files_free() as u64, vfs.files_free() as u64);
assert_eq!(fs.blocks_free() as u64, vfs.blocks_free() as u64);
assert_eq!(fs.blocks_available() as u64, vfs.blocks_available() as u64);
assert_eq!(fs.files() as u64, vfs.files() as u64);
assert_eq!(fs.blocks() as u64, vfs.blocks() as u64);
assert_eq!(fs.block_size() as u64, vfs.fragment_size() as u64);
}