1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/rustix/tests/fs/readdir.rs b/vendor/rustix/tests/fs/readdir.rs
new file mode 100644
index 000000000..8925660a9
--- /dev/null
+++ b/vendor/rustix/tests/fs/readdir.rs
@@ -0,0 +1,68 @@
+#![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");
+}