diff options
Diffstat (limited to 'tests/du/8gb')
-rwxr-xr-x | tests/du/8gb | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tests/du/8gb b/tests/du/8gb new file mode 100755 index 0000000..400c29d --- /dev/null +++ b/tests/du/8gb @@ -0,0 +1,77 @@ +#!/bin/sh +# Ensure that du does not rely on narrow types like size_t for +# file sizes or sums. + +# Copyright (C) 2003, 2005, 2006 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 2 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, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +if test "$VERBOSE" = yes; then + set -x + du --version +fi + +. $srcdir/../envvar-check +. $srcdir/../sparse-file + +pwd=`pwd` +t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$ +trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0 +trap '(exit $?); exit $?' 1 2 13 15 + +framework_failure=0 +mkdir -p $tmp || framework_failure=1 +cd $tmp || framework_failure=1 + +if test $framework_failure = 1; then + echo "$0: failure in testing framework" 1>&2 + (exit 1); exit 1 +fi + +dd bs=1 seek=8G of=big < /dev/null 2> /dev/null +if test $? != 0; then + echo "$0: cannot create a file large enough for this test; possibly" 1>&2 + echo "$0: because file offsets are only 32 bits on this file system" 1>&2 + (exit 77); exit 77 +fi + +# FIXME: this should be a test of dd. +# On some systems (at least linux-2.4.18 + NFS to disks on a Solaris system) +# the `dd' command above mistakenly creates a file of length `0', yet +# doesn't fail. The root of that failure is that the ftruncate call +# returns zero but doesn't do its job. Detect this failure. +set x `ls -gG big` +size=$4 +if test "$size" = 0; then + echo "$0: cannot create a file large enough for this test;" 1>&2 + echo "$0: possibly because this system's NFS support is buggy;" 1>&2 + echo "$0: Consider rerunning this test on a different file system." 1>&2 + (exit 77); exit 77 +fi + +fail=0 + +# This would print `0 big' with coreutils-4.5.8. +du -ab big > out || fail=1 + +cat <<\EOF > exp +8589934592 big +EOF + +cmp out exp || fail=1 +test $fail = 1 && diff out exp 2> /dev/null + +(exit $fail); exit $fail |