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#!/bin/sh
# test for basic tee functionality.
# Copyright (C) 2005-2015 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/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ tee
echo line >sample || framework_failure_
nums=$(seq 9) || framework_failure_
for n in 0 $nums; do
files=$(seq $n)
rm -f $files
tee $files <sample >out || fail=1
for f in out $files; do
compare sample $f || fail=1
done
done
# Ensure tee exits early if no more writable outputs
if test -w /dev/full && test -c /dev/full; then
yes | returns_ 1 timeout 10 tee /dev/full 2>err >/dev/full || fail=1
# Ensure an error for each of the 2 outputs
# (and no redundant errors for stdout).
test $(wc -l < err) = 2 || { cat err; fail=1; }
# Ensure we continue with outputs that are OK
seq 10000 > multi_read || framework_failure_
returns_ 1 tee /dev/full out2 2>err >out1 <multi_read || fail=1
cmp multi_read out1 || fail=1
cmp multi_read out2 || fail=1
# Ensure an error for failing output
test $(wc -l < err) = 1 || { cat err; fail=1; }
returns_ 1 tee out1 out2 2>err >/dev/full <multi_read || fail=1
cmp multi_read out1 || fail=1
cmp multi_read out2 || fail=1
# Ensure an error for failing output
test $(wc -l < err) = 1 || { cat err; fail=1; }
fi
Exit $fail
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