Add a test for HandleOrInvalid preserving the error.

sunfishcode · sunfishcode · commit d132ba635d91 · 2022-03-21T15:59:04.000-07:00
diff --git a/tests/ffi.rs b/tests/ffi.rs
@@ -46,6 +46,10 @@ fn test_file_not_found() {
     }
     .try_into();
     assert!(handle.is_err());
+    assert_eq!(
+        std::io::Error::last_os_error().kind(),
+        std::io::ErrorKind::NotFound
+    );
 }
 
 #[cfg(all(rustc_attrs, unix))]

Original file line number	Diff line number	Diff line change
`@@ -46,6 +46,10 @@ fn test_file_not_found() {`
`46`	`46`	`}`
`47`	`47`	`.try_into();`
`48`	`48`	`assert!(handle.is_err());`
	`49`	`+ assert_eq!(`
	`50`	`+ std::io::Error::last_os_error().kind(),`
	`51`	`+ std::io::ErrorKind::NotFound`
	`52`	`+ );`
`49`	`53`	`}`
`50`	`54`
`51`	`55`	`#[cfg(all(rustc_attrs, unix))]`