1 files changed, 51 insertions, 0 deletions
diff --git a/tests/fs_open_options_windows.rs b/tests/fs_open_options_windows.rs
new file mode 100644
index 0000000..f09e8b4
--- /dev/null
+++ b/tests/fs_open_options_windows.rs
@@ -0,0 +1,51 @@
+#![warn(rust_2018_idioms)]
+#![cfg(all(feature = "full", not(target_os = "wasi")))] // WASI does not support all fs operations
+#![cfg(windows)]
+
+use tokio::fs::OpenOptions;
+use windows_sys::Win32::Storage::FileSystem;
+
+#[tokio::test]
+#[cfg(windows)]
+async fn open_options_windows_access_mode() {
+    // TESTING HACK: use Debug output to check the stored data
+    assert!(format!("{:?}", OpenOptions::new().access_mode(0)).contains("access_mode: Some(0)"));
+}
+
+#[tokio::test]
+#[cfg(windows)]
+async fn open_options_windows_share_mode() {
+    // TESTING HACK: use Debug output to check the stored data
+    assert!(format!("{:?}", OpenOptions::new().share_mode(0)).contains("share_mode: 0,"));
+}
+
+#[tokio::test]
+#[cfg(windows)]
+async fn open_options_windows_custom_flags() {
+    // TESTING HACK: use Debug output to check the stored data
+    assert!(format!(
+        "{:?}",
+        OpenOptions::new().custom_flags(FileSystem::FILE_FLAG_DELETE_ON_CLOSE)
+    )
+    .contains("custom_flags: 67108864,"));
+}
+
+#[tokio::test]
+#[cfg(windows)]
+async fn open_options_windows_attributes() {
+    assert!(format!(
+        "{:?}",
+        OpenOptions::new().attributes(FileSystem::FILE_ATTRIBUTE_HIDDEN)
+    )
+    .contains("attributes: 2,"));
+}
+
+#[tokio::test]
+#[cfg(windows)]
+async fn open_options_windows_security_qos_flags() {
+    assert!(format!(
+        "{:?}",
+        OpenOptions::new().security_qos_flags(FileSystem::SECURITY_IDENTIFICATION)
+    )
+    .contains("security_qos_flags: 1114112,"));
+}