From fe6ad62ed846cf1d074a5e1fd8b4a9567258ab18 Mon Sep 17 00:00:00 2001
From: Wildan M <willnode@wellosoft.net>
Date: Fri, 16 Jan 2026 07:10:28 +0700
Subject: [PATCH] Allow missing stderr file in expected tests

---
 tests/src/main.rs | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/tests/src/main.rs b/tests/src/main.rs
index d6b6f8edef..41c97db275 100644
--- a/tests/src/main.rs
+++ b/tests/src/main.rs
@@ -23,12 +23,17 @@ fn expected(bin: &str, kind: &str, generated: &[u8], status: ExitStatus) -> Resu
     let expected = match fs::read(&expected_file) {
         Ok(ok) => ok,
         Err(err) => {
-            return Err(format!(
-                "{} failed to read {}: {}",
-                bin,
-                expected_file.display(),
-                err
-            ));
+            if kind == "stderr" {
+                // missing stderr file, assume test expect none emitted
+                vec![]
+            } else {
+                return Err(format!(
+                    "{} failed to read {}: {}",
+                    bin,
+                    expected_file.display(),
+                    err
+                ));
+            }
         }
     };