Function dir_entries

tests/fs/readdir.rs:9–40

()

#[test]
fn dir_entries() {
    let tmpdir = tempfile::tempdir().expect("construct tempdir");
    let dirfd = 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 = File::create(tmpdir.path().join("file1")).expect("create file1");

    let entries = read_entries(&mut dir);
    assert!(
        entries.contains_key("file1"),
        "directory contains `file1`: {:?}",
        entries
    );
    assert_eq!(entries.len(), 1);

    let _f2 = File::create(tmpdir.path().join("file2")).expect("create file1");
    let entries = read_entries(&mut dir);
    assert!(
        entries.contains_key("file1"),
        "directory contains `file1`: {:?}",
        entries
    );
    assert!(
        entries.contains_key("file2"),
        "directory contains `file2`: {:?}",
        entries
    );
    assert_eq!(entries.len(), 2);
}

fn read_entries(dir: &mut Dir) -> HashMap<String, DirEntry> {
    dir.rewind();