From 210c000b8c121592636db3d87aa7dd912092986c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
Date: Sun, 11 Jan 2026 18:51:19 +0000
Subject: [PATCH] tests: date: test nested parenthesis comment handling

* tests/date/date.pl: Add test cases.
Suggested by Sylvestre Ledru.
---
 tests/date/date.pl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/date/date.pl b/tests/date/date.pl
index 0343cb913..8a5e57363 100755
--- a/tests/date/date.pl
+++ b/tests/date/date.pl
@@ -334,6 +334,11 @@ my @Tests =
      # Text enclosed in parentheses is treated as a comment
      ['paren-4', "-d '2026(this is a comment)-01-05' -u +'%Y-%m-%d'",
       {OUT=>"2026-01-05"}],
+
+     # Nested comments are supported
+     ['paren-5', "-d '((nested))2026-01-05' -u +'%Y-%m-%d'",
+      {OUT=>"2026-01-05"}],
+     ['paren-6', "-d '((nested)2026-01-05)' +'%H:%M:%S'", {OUT=>"00:00:00"}],
     );
 
 # Repeat the cross-dst test, using Jan 1, 2005 and every interval from 1..364.