From 8373cfeead87b29e9be9a4d1d48f497c56260b21 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sat, 6 Sep 2025 10:58:14 +0900
Subject: fix(backend): normalize line endings before comparing test results

---
 backend/game/hub.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'backend/game/hub.go')

diff --git a/backend/game/hub.go b/backend/game/hub.go
index 436acf5..364e590 100644
--- a/backend/game/hub.go
+++ b/backend/game/hub.go
@@ -141,8 +141,13 @@ func (hub *Hub) processTaskResultRunTestcase(
 	return nil
 }
 
+func normalizeTestcaseResultOutput(s string) string {
+	re := regexp.MustCompile(`\r\n|\r`)
+	return re.ReplaceAllString(strings.TrimSpace(s), "\n")
+}
+
 func isTestcaseResultCorrect(expectedStdout, actualStdout string) bool {
-	expectedStdout = strings.TrimSpace(expectedStdout)
-	actualStdout = strings.TrimSpace(actualStdout)
+	expectedStdout = normalizeTestcaseResultOutput(expectedStdout)
+	actualStdout = normalizeTestcaseResultOutput(actualStdout)
 	return actualStdout == expectedStdout
 }
-- 
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