tests/du/fd-leak

   1 #!/bin/sh
   2 # check for file descriptor leak
   3
   4 # Copyright (C) 2003, 2006-2008 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   du --version
  22 fi
  23
  24 . $srcdir/test-lib.sh
  25
  26 # Call this an expensive test.  It's not that expensive, but command line
  27 # limitations might induce failure on some losing systems.
  28 expensive_
  29
  30 # Create 1296 (36^2) files.
  31 # Their names and separating spaces take up 3887 bytes.
  32 x='a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9'
  33 f=
  34 for i in $x; do
  35   for j in $x; do
  36     f="$f $i$j"
  37   done
  38 done
  39
  40 # This may fail due to command line limitations.
  41 touch $f || framework_failure
  42
  43 fail=0
  44
  45 # With coreutils-5.0, this would fail due to a file descriptor leak.
  46 du $f > out || fail=1
  47
  48 Exit $fail