1 files changed, 40 insertions, 0 deletions
diff --git a/tests/cp/proc-short-read.sh b/tests/cp/proc-short-read.sh
new file mode 100755
index 0000000..4d65374
--- /dev/null
+++ b/tests/cp/proc-short-read.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+# exercise cp's short-read failure when operating on >4KB files in /proc
+
+# Copyright (C) 2009-2016 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_ cp
+
+kall=/proc/kallsyms
+
+test -r $kall || skip_ "your system lacks $kall"
+
+# Before coreutils-7.3, cp would copy less than 4KiB of this 1MB+ file.
+cp $kall 1    || fail=1
+cat $kall > 2 || fail=1
+compare 1 2   || fail=1
+
+# Also check md5sum, just for good measure.
+md5sum $kall > 3 || fail=1
+md5sum 2     > 4 || fail=1
+
+# Remove each file name before comparing checksums.
+sed 's/ .*//' 3 > sum.proc || fail=1
+sed 's/ .*//' 4 > sum.2    || fail=1
+compare sum.proc sum.2 || fail=1
+
+Exit $fail