tests/cp/proc-short-read

   1 #!/bin/sh
   2 # exercise cp's short-read failure when operating on >4KB files in /proc
   3
   4 # Copyright (C) 2009-2010 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 if test "$VERBOSE" = yes; then
  20   set -x
  21   cp --version
  22 fi
  23
  24 . $srcdir/test-lib.sh
  25
  26 kall=/proc/kallsyms
  27
  28 test -r $kall || skip_test_ "your system lacks $kall"
  29
  30 # Before coreutils-7.3, cp would copy less than 4KiB of this 1MB+ file.
  31 cp $kall 1    || fail=1
  32 cat $kall > 2 || fail=1
  33 compare 1 2   || fail=1
  34
  35 # Also check md5sum, just for good measure.
  36 md5sum $kall > 3 || fail=1
  37 md5sum 2     > 4 || fail=1
  38
  39 # Remove each file name before comparing checksums.
  40 sed 's/ .*//' 3 > sum.proc || fail=1
  41 sed 's/ .*//' 4 > sum.2    || fail=1
  42 compare sum.proc sum.2 || fail=1
  43
  44 Exit $fail