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coreutils/tests/cp/proc-zero-len
Jim Meyering 9d6231ef2a maint: update all copyright year number ranges
Run "make update-copyright".
2011-01-01 22:16:47 +01:00

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#!/bin/sh
# Ensure that cp copies contents of non-empty "regular" file with st_size==0
# Copyright (C) 2007-2011 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=.}/init.sh"; path_prepend_ ../src
print_ver_ cp
touch empty || framework_failure
f=/proc/cpuinfo
test -r $f || f=empty
cat $f > out || fail=1
# With coreutils-6.9, this would create a zero-length "exp" file.
cp $f exp || fail=1
# Don't simply compare contents; they might differ,
# e.g., if CPU freq changes between cat and cp invocations.
# Instead, simply compare whether they're both nonempty.
test -s out && { rm -f out; echo nonempty > out; }
test -s exp && { rm -f exp; echo nonempty > exp; }
compare out exp || fail=1
Exit $fail