From b2f9b144a62e0ef40eff6baf0ec64c3286f0a8dc Mon Sep 17 00:00:00 2001
From: Bob Beck <beck@openssl.org>
Date: Wed, 8 Oct 2025 07:46:33 -0600
Subject: [PATCH] asn1_time_test.c: More asn1 to utc testcases

Test out of bounds month, day of month, hour, minute and seconds.
Ensure we check the leap year boundaries.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/28789)
---
 test/asn1_time_test.c | 50 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/test/asn1_time_test.c b/test/asn1_time_test.c
index 7b1b3700bc8..f39f690231b 100644
--- a/test/asn1_time_test.c
+++ b/test/asn1_time_test.c
@@ -68,6 +68,56 @@ static const struct TESTDATA_asn1_to_utc asn1_to_utc[] = {
         "20210328030000+0200",
         1616893200,
     },
+    {
+        /* test seconds out of bound */
+        "210328005960Z",
+        -1,
+    },
+    {
+        /* test minutes out of bound */
+        "210328006059Z",
+        -1,
+    },
+    {
+        /* test hours out of bound */
+        "210328255959Z",
+        -1,
+    },
+    {
+        /* test days out of bound */
+        "210332005959Z",
+        -1,
+    },
+    {
+        /* test days out of bound */
+        "210230005959Z",
+        -1,
+    },
+    {
+        /* test days out of bound (non leap year)*/
+        "210229005959Z",
+        -1,
+    },
+    {
+        /* test days not out of bound (non leap year) */
+        "210228005959Z",
+        1614473999,
+    },
+    {
+        /* test days not out of bound (leap year)*/
+        "200229005959Z",
+        1582937999,
+    },
+    {
+        /* test days out of bound (leap year)*/
+        "200230005959Z",
+        -1
+    },
+    {
+        /* test month out of bound */
+        "211328005960Z",
+        -1,
+    },
     {
         /*
          * Invalid strings should get -1 as a result
-- 
2.47.3