1 files changed, 80 insertions, 0 deletions
diff --git a/vendor/io-lifetimes/tests/ffi.rs b/vendor/io-lifetimes/tests/ffi.rs
new file mode 100644
index 000000000..af03efe05
--- /dev/null
+++ b/vendor/io-lifetimes/tests/ffi.rs
@@ -0,0 +1,80 @@
+#![cfg_attr(not(rustc_attrs), allow(unused_imports))]
+#![cfg(feature = "close")]
+#![cfg_attr(io_lifetimes_use_std, feature(io_safety))]
+
+#[cfg(any(unix, windows))]
+use io_lifetimes::example_ffi::*;
+#[cfg(windows)]
+use io_lifetimes::{InvalidHandleError, OwnedHandle};
+#[cfg(windows)]
+use std::{convert::TryInto, os::windows::io::RawHandle, ptr::null_mut};
+#[cfg(windows)]
+use windows_sys::Win32::Storage::FileSystem::{
+    FILE_ATTRIBUTE_NORMAL, FILE_GENERIC_READ, OPEN_EXISTING,
+};
+
+#[cfg(all(rustc_attrs, unix))]
+#[test]
+fn test_file_not_found() {
+    assert!(unsafe {
+        open(
+            "/dev/no/such/file\0".as_ptr() as *const _,
+            O_RDONLY | O_CLOEXEC,
+        )
+    }
+    .is_none());
+}
+
+#[cfg(windows)]
+#[test]
+fn test_file_not_found() {
+    let handle: Result<OwnedHandle, InvalidHandleError> = unsafe {
+        CreateFileW(
+            [
+                'C' as u16, ':' as _, '/' as _, 'n' as _, 'o' as _, '/' as _, 's' as _, 'u' as _,
+                'c' as _, 'h' as _, '/' as _, 'f' as _, 'i' as _, 'l' as _, 'e' as _, 0,
+            ]
+            .as_ptr(),
+            FILE_GENERIC_READ,
+            0,
+            null_mut(),
+            OPEN_EXISTING,
+            FILE_ATTRIBUTE_NORMAL,
+            null_mut() as RawHandle as HANDLE,
+        )
+    }
+    .try_into();
+    assert!(handle.is_err());
+    assert_eq!(
+        std::io::Error::last_os_error().kind(),
+        std::io::ErrorKind::NotFound
+    );
+}
+
+#[cfg(all(rustc_attrs, unix))]
+#[test]
+fn test_file_found() {
+    assert!(unsafe { open("Cargo.toml\0".as_ptr() as *const _, O_RDONLY | O_CLOEXEC) }.is_some());
+}
+
+#[cfg(windows)]
+#[test]
+fn test_file_found() {
+    let handle: Result<OwnedHandle, InvalidHandleError> = unsafe {
+        CreateFileW(
+            [
+                'C' as u16, 'a' as _, 'r' as _, 'g' as _, 'o' as _, '.' as _, 't' as _, 'o' as _,
+                'm' as _, 'l' as _, 0,
+            ]
+            .as_ptr(),
+            FILE_GENERIC_READ,
+            0,
+            null_mut(),
+            OPEN_EXISTING,
+            FILE_ATTRIBUTE_NORMAL,
+            null_mut() as RawHandle as HANDLE,
+        )
+    }
+    .try_into();
+    assert!(handle.is_ok());
+}