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#![cfg(not(target_os = "redox"))]
use rustix::fs::{Dir, DirEntry};
use std::collections::HashMap;
#[test]
fn dir_entries() {
let tmpdir = tempfile::tempdir().expect("construct tempdir");
let dirfd = std::fs::File::open(tmpdir.path()).expect("open tempdir as file");
let mut dir = Dir::read_from(dirfd).expect("construct Dir from dirfd");
let entries = read_entries(&mut dir);
assert_eq!(entries.len(), 0, "no files in directory");
let _f1 = std::fs::File::create(tmpdir.path().join("file1")).expect("create file1");
let entries = read_entries(&mut dir);
assert!(
entries.get("file1").is_some(),
"directory contains `file1`: {:?}",
entries
);
assert_eq!(entries.len(), 1);
let _f2 = std::fs::File::create(tmpdir.path().join("file2")).expect("create file1");
let entries = read_entries(&mut dir);
assert!(
entries.get("file1").is_some(),
"directory contains `file1`: {:?}",
entries
);
assert!(
entries.get("file2").is_some(),
"directory contains `file2`: {:?}",
entries
);
assert_eq!(entries.len(), 2);
}
fn read_entries(dir: &mut Dir) -> HashMap<String, DirEntry> {
dir.rewind();
let mut out = HashMap::new();
loop {
match dir.read() {
Some(e) => {
let e = e.expect("non-error entry");
let name = e.file_name().to_str().expect("utf8 filename").to_owned();
if name != "." && name != ".." {
out.insert(name, e);
}
}
None => break,
}
}
out
}
#[test]
fn dir_from_openat() {
let dirfd = rustix::fs::openat(
rustix::fs::cwd(),
".",
rustix::fs::OFlags::RDONLY,
rustix::fs::Mode::empty(),
)
.expect("open cwd as file");
let _dir = Dir::read_from(dirfd).expect("construct Dir from dirfd");
}
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