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-rw-r--r--NEWS5
-rwxr-xr-xtests/misc/comm9
2 files changed, 13 insertions, 1 deletions
diff --git a/NEWS b/NEWS
index 63c7e19dd..fd101a400 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,11 @@ GNU coreutils NEWS -*- outline -*-
** Bug fixes
+ comm's new --check-order option would fail to detect disorder on any pair
+ of lines where one was a prefix of the other. For example, this would
+ fail to report the disorder: printf 'Xb\nX\n'>k; comm --check-order k k
+ [bug introduced in coreutils-7.0]
+
cp once again diagnoses the invalid "cp -rl dir dir" right away,
rather than after creating a very deep dir/dir/dir/... hierarchy.
The bug strikes only with both --recursive (-r, -R) and --link (-l).
diff --git a/tests/misc/comm b/tests/misc/comm
index 81a852944..80a0c2dd3 100755
--- a/tests/misc/comm
+++ b/tests/misc/comm
@@ -2,7 +2,7 @@
# -*- perl -*-
# Test comm
-# Copyright (C) 2008 Free Software Foundation, Inc.
+# Copyright (C) 2008-2009 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -116,6 +116,13 @@ my @Tests =
{OUT => "\t\t2\n"},
{ERR => "$prog: file 1 is not in sorted order\n"}],
+ # out-of-order, line 2 is a prefix of line 1
+ # until coreutils-7.2, this test would fail -- no disorder detected
+ ['ooo-prefix', '--check-order', {IN=>{a=>"Xa\nX\n"}}, {IN=>{b=>""}},
+ {EXIT=>1},
+ {OUT => "Xa\n"},
+ {ERR => "$prog: file 1 is not in sorted order\n"}],
+
# alternate delimiter: ','
['delim-comma', '--output-delimiter=,', @inputs,
{OUT=>"1\n,2\n,,3\n"} ],