(buf: &mut [MaybeUninit<u8>])
| 54 | |
| 55 | #[cfg(linux_kernel)] |
| 56 | fn test_raw_dir(buf: &mut [MaybeUninit<u8>]) { |
| 57 | use std::collections::HashSet; |
| 58 | use std::io::{Seek as _, SeekFrom}; |
| 59 | |
| 60 | use rustix::fd::AsFd; |
| 61 | use rustix::fs::RawDir; |
| 62 | |
| 63 | fn read_raw_entries<Fd: AsFd>(dir: &mut RawDir<'_, Fd>) -> HashSet<String> { |
| 64 | let mut out = HashSet::new(); |
| 65 | while let Some(entry) = dir.next() { |
| 66 | let entry = entry.expect("non-error entry"); |
| 67 | let name = entry |
| 68 | .file_name() |
| 69 | .to_str() |
| 70 | .expect("utf8 filename") |
| 71 | .to_owned(); |
| 72 | if name != "." && name != ".." { |
| 73 | out.insert(name); |
| 74 | } |
| 75 | } |
| 76 | out |
| 77 | } |
| 78 | |
| 79 | let tmpdir = tempfile::tempdir().expect("construct tempdir"); |
| 80 | let mut dirfd = File::open(tmpdir.path()).expect("open tempdir as file"); |
| 81 | let mut dir = RawDir::new(dirfd.try_clone().unwrap(), buf); |
| 82 | |
| 83 | let entries = read_raw_entries(&mut dir); |
| 84 | assert_eq!(entries.len(), 0, "no files in directory"); |
| 85 | |
| 86 | let _f1 = File::create(tmpdir.path().join("file1")).expect("create file1"); |
| 87 | |
| 88 | dirfd.seek(SeekFrom::Start(0)).unwrap(); |
| 89 | let entries = read_raw_entries(&mut dir); |
| 90 | assert!( |
| 91 | entries.contains("file1"), |
| 92 | "directory contains `file1`: {:?}", |
| 93 | entries |
| 94 | ); |
| 95 | assert_eq!(entries.len(), 1); |
| 96 | |
| 97 | let _f2 = File::create(tmpdir.path().join("file2")).expect("create file1"); |
| 98 | dirfd.seek(SeekFrom::Start(0)).unwrap(); |
| 99 | let entries = read_raw_entries(&mut dir); |
| 100 | assert!( |
| 101 | entries.contains("file1"), |
| 102 | "directory contains `file1`: {:?}", |
| 103 | entries |
| 104 | ); |
| 105 | assert!( |
| 106 | entries.contains("file2"), |
| 107 | "directory contains `file2`: {:?}", |
| 108 | entries |
| 109 | ); |
| 110 | assert_eq!(entries.len(), 2); |
| 111 | } |
| 112 | |
| 113 | #[test] |
no test coverage detected