From 4f62d2fe28abe9d7b59b2fc50b59db4d8f2a3853 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 8 Dec 2012 12:04:14 -0800
Subject: tests: add test case and note that last week's cut change is a bug
 fix

* tests/misc/cut-huge-to-eol-range.sh: New test, showing that
the change in v8.20-51-g7d03466 is a bug fix after all.
* tests/local.mk (all_tests): Add it.
* NEWS (Bug fixes): Mention it.
---
 tests/local.mk                      |  1 +
 tests/misc/cut-huge-to-eol-range.sh | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100755 tests/misc/cut-huge-to-eol-range.sh

(limited to 'tests')

diff --git a/tests/local.mk b/tests/local.mk
index d5bb6f718..5eeddd53b 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -246,6 +246,7 @@ all_tests =					\
   tests/misc/pwd-option.sh			\
   tests/misc/chcon-fail.sh			\
   tests/misc/cut.pl				\
+  tests/misc/cut-huge-to-eol-range.sh		\
   tests/misc/wc.pl				\
   tests/misc/wc-files0-from.pl			\
   tests/misc/wc-files0.sh			\
diff --git a/tests/misc/cut-huge-to-eol-range.sh b/tests/misc/cut-huge-to-eol-range.sh
new file mode 100755
index 000000000..4e3ee036a
--- /dev/null
+++ b/tests/misc/cut-huge-to-eol-range.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+# Ensure that cut does not allocate mem for a range like -b9999999999999-
+
+# Copyright (C) 2012 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
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ cut
+require_ulimit_
+getlimits_
+
+# From coreutils-8.10 through 8.20, this would make cut try to allocate
+# a 256MiB bit vector.  With a 20MB limit on VM, the following would fail.
+(ulimit -v 20000; : | cut -b$INT_MAX- > err 2>&1) || fail=1
+
+compare /dev/null err || fail=1
+
+Exit $fail
-- 
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