1 #[cfg(any(target_os = "android", target_os = "linux"))]
2 #[test]
test_statfs_abi()3 fn test_statfs_abi() {
4 use rustix::fs::{FsWord, StatFs, NFS_SUPER_MAGIC, PROC_SUPER_MAGIC};
5
6 // Ensure these all have consistent types.
7 let t: StatFs = unsafe { std::mem::zeroed() };
8 let _s: FsWord = t.f_type;
9 let _u: FsWord = PROC_SUPER_MAGIC;
10 let _v: FsWord = NFS_SUPER_MAGIC;
11
12 // Ensure that after all the platform-specific dancing we have to do, this
13 // constant comes out with the correct value.
14 #[cfg(all(libc, not(target_env = "musl")))]
15 {
16 assert_eq!(
17 i128::from(PROC_SUPER_MAGIC),
18 i128::from(libc::PROC_SUPER_MAGIC)
19 );
20 assert_eq!(
21 i128::from(NFS_SUPER_MAGIC),
22 i128::from(libc::NFS_SUPER_MAGIC)
23 );
24 }
25
26 #[cfg(linux_raw)]
27 {
28 assert_eq!(
29 i128::from(PROC_SUPER_MAGIC),
30 i128::from(linux_raw_sys::general::PROC_SUPER_MAGIC)
31 );
32 assert_eq!(
33 i128::from(NFS_SUPER_MAGIC),
34 i128::from(linux_raw_sys::general::NFS_SUPER_MAGIC)
35 );
36 }
37
38 assert_eq!(PROC_SUPER_MAGIC, 0x0000_9fa0);
39 assert_eq!(NFS_SUPER_MAGIC, 0x0000_6969);
40 }
41
42 #[cfg(not(target_os = "netbsd"))]
43 #[test]
test_statfs()44 fn test_statfs() {
45 let statfs = rustix::fs::statfs("Cargo.toml").unwrap();
46 let f_blocks = statfs.f_blocks;
47 assert_ne!(f_blocks, 0);
48 // Previously we checked f_files != 0 here, but at least btrfs doesn't set
49 // that.
50 }
51
52 #[cfg(not(target_os = "netbsd"))]
53 #[test]
test_fstatfs()54 fn test_fstatfs() {
55 let file = std::fs::File::open("Cargo.toml").unwrap();
56 let statfs = rustix::fs::fstatfs(&file).unwrap();
57 let f_blocks = statfs.f_blocks;
58 assert_ne!(f_blocks, 0);
59 // Previously we checked f_files != 0 here, but at least btrfs doesn't set
60 // that.
61 }
62
63 /// Test that files in procfs are in a filesystem with `PROC_SUPER_MAGIC`.
64 #[cfg(any(target_os = "android", target_os = "linux"))]
65 #[test]
test_statfs_procfs()66 fn test_statfs_procfs() {
67 let statfs = rustix::fs::statfs("/proc/self/maps").unwrap();
68
69 // Do the field access outside the assert to work around Rust 1.48 thinking
70 // that this is otherwise a packed field borrow.
71 let f_type = statfs.f_type;
72
73 assert_eq!(f_type, rustix::fs::PROC_SUPER_MAGIC);
74 }
75
76 #[test]
test_statvfs()77 fn test_statvfs() {
78 let statvfs = rustix::fs::statvfs("Cargo.toml").unwrap();
79
80 let f_frsize = statvfs.f_frsize;
81 assert_ne!(f_frsize, 0);
82 }
83
84 #[test]
test_fstatvfs()85 fn test_fstatvfs() {
86 let file = std::fs::File::open("Cargo.toml").unwrap();
87 let statvfs = rustix::fs::fstatvfs(&file).unwrap();
88
89 let f_frsize = statvfs.f_frsize;
90 assert_ne!(f_frsize, 0);
91 }
92