From 6ccee76621fcceaa05375ca296b2617d3e144e0d Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Sat, 5 Aug 2023 16:53:22 +0200
Subject: [PATCH] Add a test for an invalid resource
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This one uses unassigned codepoints in Unicode 3.2.
---
 jid/src/lib.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/jid/src/lib.rs b/jid/src/lib.rs
index bf28db54..efecccf5 100644
--- a/jid/src/lib.rs
+++ b/jid/src/lib.rs
@@ -880,6 +880,11 @@ mod tests {
         assert_eq!(full, equiv);
     }
 
+    #[test]
+    fn invalid_stringprep() {
+        FullJid::from_str("a@b/🎉").unwrap_err();
+    }
+
     #[test]
     fn jid_from_parts() {
         let node = NodePart::new("node").unwrap();