From 4d161329485fd8c6b31d34c6411addb06a586d21 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri, 18 Nov 2022 21:32:59 +0100
Subject: [PATCH] date: add a test for the issue 3780 to make sure we don't
 regress

---
 tests/by-util/test_date.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/by-util/test_date.rs b/tests/by-util/test_date.rs
index 41fd54798..d17e9624e 100644
--- a/tests/by-util/test_date.rs
+++ b/tests/by-util/test_date.rs
@@ -109,6 +109,11 @@ fn test_date_format_full_day() {
         .stdout_matches(&re);
 }
 
+#[test]
+fn test_date_issue_3780() {
+    new_ucmd!().arg("+%Y-%m-%d %H-%M-%S%:::z").succeeds();
+}
+
 #[test]
 fn test_date_nano_seconds() {
     // %N     nanoseconds (000000000..999999999)