From f55bdf754de1c4d4332aad4f7a5a07c820487029 Mon Sep 17 00:00:00 2001
From: Alex Povel <git@alexpovel.de>
Date: Thu, 21 Mar 2024 17:57:31 +0100
Subject: [PATCH] tests: Sanity check for invalid UTF8 test

---
 tests/cli.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tests/cli.rs b/tests/cli.rs
index 4754bbbe..637f0c3d 100644
--- a/tests/cli.rs
+++ b/tests/cli.rs
@@ -138,14 +138,18 @@ Duebel
     }
 
     #[test]
-    #[should_panic]
     fn test_cli_on_invalid_utf8() {
         let mut cmd = get_cmd();
 
         let input = b"invalid utf8 \xFF";
+
+        #[allow(invalid_from_utf8)] // Attribute didn't work on `assert` macro?
+        let check = std::str::from_utf8(input);
+        assert!(check.is_err(), "Input is valid UTF8, test is broken");
+
         cmd.write_stdin(*input);
 
-        cmd.assert().success();
+        cmd.assert().failure();
     }
 
     fn get_cmd() -> Command {