From: Collin Funk <collin.funk1@gmail.com>
Date: Mon, 26 Jan 2026 01:12:18 +0000 (-0800)
Subject: tests: tac: test --regex with anchors in the separator
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2bd3e8bb7a2ab0535b59411bdd345c669e0a856b;p=thirdparty%2Fcoreutils.git

tests: tac: test --regex with anchors in the separator

* tests/tac/tac.pl (@Tests): Add a few test cases.
---

diff --git a/tests/tac/tac.pl b/tests/tac/tac.pl
index 576978aea9..99d2d0d504 100755
--- a/tests/tac/tac.pl
+++ b/tests/tac/tac.pl
@@ -63,6 +63,10 @@ my @Tests =
    {IN=>"a.___b.__1._2.__3.___4._"},
    {OUT=>"4._3.___2.__1._b.__a.___"}],
 
+ ['opt-r3', qw(-r -s '^'), {IN=>"a\nb\nc\n"}, {OUT=>"c\nb\na\n"}],
+ ['opt-r4', qw(-r -s '$'), {IN=>"a\nb\nc\n"}, {OUT=>"\n\nc\nba"}],
+ ['opt-r5', qw(-r -s '^$'), {IN=>"a\nb\nc\n"}, {OUT=>"a\nb\nc\n"}],
+
   # This gave incorrect output (.___4._2.__3._1) with tac-1.22.
   ['opt-br', qw(-b -r -s '\._+'),
    {IN=>"._1._2.__3.___4"}, {OUT=>".___4.__3._2._1"}],