Let `Document` be `Sync` again

Fixes #930.

1 files changed, 8 insertions, 9 deletions

diff --git a/src/doc.rs b/src/doc.rs
index 0a9b9a8d..c21b6546 100644
--- a/src/doc.rs
+++ b/src/doc.rs
@@ -683,20 +683,19 @@ cast_to_value! {
 
 #[cfg(test)]
 mod tests {
-    use crate::{doc::Region, util::option_eq};
-
-    #[test]
-    fn test_partialeq_str() {
-        let region = Region([b'U', b'S']);
-        assert_eq!(region, "US");
-        assert_ne!(region, "AB");
-    }
+    use super::*;
+    use crate::util::option_eq;
 
     #[test]
     fn test_region_option_eq() {
         let region = Some(Region([b'U', b'S']));
-
         assert!(option_eq(region, "US"));
         assert!(!option_eq(region, "AB"));
     }
+
+    #[test]
+    fn test_document_is_send() {
+        fn ensure_send<T: Send>() {}
+        ensure_send::<Document>();
+    }
 }