1 files changed, 33 insertions, 0 deletions
diff --git a/vendor/rustix/tests/fs/openat.rs b/vendor/rustix/tests/fs/openat.rs
new file mode 100644
index 000000000..564574dc1
--- /dev/null
+++ b/vendor/rustix/tests/fs/openat.rs
@@ -0,0 +1,33 @@
+use std::fs::File;
+
+use io_lifetimes::{FromFd, IntoFd};
+use rustix::fs::{cwd, openat, Mode, OFlags};
+use std::io::Write;
+
+#[test]
+fn test_openat_tmpfile() {
+    let tmp = tempfile::tempdir().unwrap();
+    let dir = openat(
+        cwd(),
+        tmp.path(),
+        OFlags::RDONLY | OFlags::CLOEXEC,
+        Mode::empty(),
+    )
+    .unwrap();
+    let f = match openat(
+        &dir,
+        ".",
+        OFlags::WRONLY | OFlags::CLOEXEC | OFlags::TMPFILE,
+        Mode::from_bits_truncate(0o644),
+    ) {
+        Ok(f) => Ok(Some(File::from_fd(f.into_fd()))),
+        // TODO: Factor out the `Err`, once we no longer support Rust 1.48.
+        Err(rustix::io::Errno::OPNOTSUPP)
+        | Err(rustix::io::Errno::ISDIR)
+        | Err(rustix::io::Errno::NOENT) => Ok(None),
+        Err(e) => Err(e),
+    };
+    if let Some(mut f) = f.unwrap() {
+        write!(f, "hello world").unwrap();
+    }
+}