1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/rustix/tests/fs/long_paths.rs b/vendor/rustix/tests/fs/long_paths.rs
new file mode 100644
index 000000000..dbc2fa6ea
--- /dev/null
+++ b/vendor/rustix/tests/fs/long_paths.rs
@@ -0,0 +1,28 @@
+#[cfg(not(any(target_os = "redox", target_os = "wasi")))]
+#[test]
+fn test_long_paths() {
+    use rustix::fs::{cwd, mkdirat, openat, Mode, OFlags};
+
+    let tmp = tempfile::tempdir().unwrap();
+    let dir = openat(cwd(), tmp.path(), OFlags::RDONLY, Mode::empty()).unwrap();
+
+    #[cfg(libc)]
+    const PATH_MAX: usize = libc::PATH_MAX as usize;
+    #[cfg(linux_raw)]
+    const PATH_MAX: usize = linux_raw_sys::general::PATH_MAX as usize;
+
+    mkdirat(&dir, "a", Mode::RUSR | Mode::XUSR | Mode::WUSR).unwrap();
+
+    let mut long_path = String::new();
+    for _ in 0..PATH_MAX / 5 {
+        long_path.push_str("a/../");
+    }
+
+    let mut too_long_path = String::new();
+    for _ in 0..PATH_MAX / 4 {
+        too_long_path.push_str("a/../");
+    }
+
+    let _ = openat(&dir, &long_path, OFlags::RDONLY, Mode::empty()).unwrap();
+    let _ = openat(&dir, &too_long_path, OFlags::RDONLY, Mode::empty()).unwrap_err();
+}