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coreutils/tests/tail-2/assert
Jim Meyering 12a0a583f6 tests: remove the less-regular fail=0 assignments manually
* tests/tail-2/assert-2:
* tests/tail-2/assert:
* tests/cp/file-perm-race:
* tests/misc/df:
* tests/misc/truncate-dir-fail:
2009-10-30 10:49:22 +01:00

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#!/bin/sh
# Test for assertion failure in "test".
# Copyright (C) 1999, 2000, 2004, 2006-2009 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/>.
# This test fails with tail from textutils-2.0.
# It would get something like this:
# tail: tail.c:718: recheck: Assertion `valid_file_spec (f)' failed.
# Aborted
# due to a race condition in which a dev/inode pair is reused.
if test "$VERBOSE" = yes; then
set -x
tail --version
fi
# Not "expensive" per se, but sleeping for so long is annoying.
. $srcdir/test-lib.sh
very_expensive_
ok='ok ok ok'
touch a foo
tail --follow=name a foo > err 2>&1 &
tail_pid=$!
# Arrange for the tail process to die after 12 seconds.
(sleep 12; kill $tail_pid) &
echo sleeping for 7 seconds...
# Give the backgrounded `tail' a chance to start before removing foo.
# Otherwise, without --retry, tail wouldn't try to open `foo' again.
sleep 1
rm -f foo
sleep 6
echo $ok > f
mv f foo
# echo waiting....
wait
case "`cat err`" in
*$ok) ;;
*) fail=1;;
esac
test $fail = 1 && cat err
Exit $fail