From bce110cdd584f52f91bd83ba17078e63d8b89841 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 6 Jan 2007 10:42:17 +0100
Subject: * tests/fmt/basic (pfx-only, pfx-of-pfx): New tests, based on
 examples from G.P. Halkes in
 <http://article.gmane.org/gmane.comp.gnu.core-utils.bugs/9388>.

---
 tests/fmt/basic | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'tests')

diff --git a/tests/fmt/basic b/tests/fmt/basic
index 04938b860..66abe1305 100755
--- a/tests/fmt/basic
+++ b/tests/fmt/basic
@@ -64,6 +64,18 @@ my @Tests =
      ['pfx-1', qw (-p '>'),
       {IN=>  " 1\n  2\n\t3\n\t\t4\n> quoted\n> text\n"},
       {OUT=> " 1\n  2\n\t3\n\t\t4\n> quoted text\n"}],
+
+     # Don't remove prefix from a prefix-only line.
+     ['pfx-only', qw (-p '>'),
+      {IN=>  ">\n"},
+      {OUT=> ">\n"}],
+
+     # With a multi-byte prefix, say, "foo", don't empty a line that
+     # starts with a strict prefix (e.g. "fo") of that prefix.
+     # With fmt from coreutils-6.7, it would mistakenly output an empty line.
+     ['pfx-of-pfx', qw (-p 'foo'),
+      {IN=>  "fo\n"},
+      {OUT=> "fo\n"}],
 );
 
 my $save_temps = $ENV{DEBUG};
-- 
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