From 7ba2e7760b66dc1c37f7d158c6397d15ba536f1b Mon Sep 17 00:00:00 2001
From: Robert Garrett <robertgarrett404@gmail.com>
Date: Mon, 13 Oct 2025 08:02:38 -0500
Subject: [PATCH] Add an error enum to test/codec.rs

---
 tests/codec.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/codec.rs b/tests/codec.rs
index 0713741..6828d6a 100644
--- a/tests/codec.rs
+++ b/tests/codec.rs
@@ -7,6 +7,18 @@ use std::io::BufWriter;
 use std::path::Path;
 use std::{fs::File, io::Read};
 
+#[derive(Debug)]
+enum TestError {
+    SetupFailure, // an error during test initialization (missing file, no write permission for output)
+    CodecFailure(DecodeError),
+}
+
+impl From<DecodeError> for TestError {
+    fn from(err: DecodeError) -> Self {
+        Self::CodecFailure(err)
+    }
+}
+
 #[test]
 fn main() -> Result<(), DecodeError> {
     let file = File::open("qoi_test_images/dice.qoi").unwrap();