1 files changed, 5 insertions, 0 deletions
diff --git a/src/parser.rs b/src/parser.rs
index 4cd75be..a31b4f9 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -489,4 +489,9 @@ mod tests {
     fn parse_unmatched_op() {
         assert_eq!(parse("2^2+"), None);
     }
+
+    #[test]
+    fn parse_unicode() {
+        assert_eq!(parse("你好"), None);
+    }
 }