tests/zfs-tests/tests/functional/large_files/large_files_002_pos.ksh

   1 #!/bin/ksh -p
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22
  23 #
  24 # Copyright (c) 2015 by Lawrence Livermore National Security, LLC.
  25 # All rights reserved.
  26 #
  27
  28 . $STF_SUITE/include/libtest.shlib
  29
  30 #
  31 # DESCRIPTION:
  32 # Verify 'ulimit -f' file size restrictions are enforced.
  33 #
  34 # STRATEGY:
  35 # 1. Set ulimit file size to unlimited, verify files can be created.
  36 # 2. Reduce ulimit file size, verify the expected error is returned.
  37 #
  38
  39 verify_runnable "both"
  40
  41 log_assert "Verify 'ulimit -f' maximum file size is enforced"
  42
  43 # Verify 'ulimit -f unlimited' works
  44 log_must ulimit -f unlimited
  45 log_must sh -c 'dd if=/dev/zero of=$TESTDIR/ulimit_write_file bs=1M count=2'
  46 log_must sh -c 'truncate -s2M $TESTDIR/ulimit_trunc_file'
  47 log_must rm $TESTDIR/ulimit_write_file $TESTDIR/ulimit_trunc_file
  48
  49 # Verify 'ulimit -f <size>' works
  50 log_must ulimit -f 1024
  51 log_mustnot sh -c 'dd if=/dev/zero of=$TESTDIR/ulimit_write_file bs=1M count=2'
  52 log_mustnot sh -c 'truncate -s2M $TESTDIR/ulimit_trunc_file'
  53 log_must rm $TESTDIR/ulimit_write_file $TESTDIR/ulimit_trunc_file
  54
  55 log_pass "Successfully enforced 'ulimit -f' maximum file size"