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coreutils/tests/dd/stderr.sh
Stefano Lattarini 9eb4c31eb7 tests: add .sh and .pl suffixes to shell and perl tests, respectively
Not only this shrinks the size of the generated Makefile (from > 6300
lines to ~3000), but will allow further simplifications in future
changes.

* tests/Makefile.am (TEST_EXTENSIONS): Add '.sh' and '.pl'.
(PL_LOG_COMPILER, SH_LOG_COMPILER): New, still defined simply to
$(LOG_COMPILER) for the time being.
(TESTS, root_tests): Adjust as described.
* All tests: Rename as described.
2012-08-30 18:55:59 +02:00

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#!/bin/sh
# Ensure dd recognizes failure to write to stderr.
# Copyright (C) 2009-2012 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/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ dd
p=$abs_top_builddir
# Ensure this exits successfully, even though stderr is closed,
# because it generates no stderr output.
dd --help >/dev/null 2>&- || fail=1
# If 2>&- works, ensure this fails, because stderr is closed and it
# *does* generate output. 2>&- apparently does not work in HP-UX 11.23.
# This test is ineffective unless /dev/stderr also works.
# This exposes a failure present in 6.11 through 7.5.
if "$p/src/test" -w /dev/stderr 2>/dev/null &&
"$p/src/test" ! -w /dev/stderr 2>&-; then
: | dd 2>&- && fail=1
fi
# Likewise for /dev/full, if /dev/full works.
if test -w /dev/full && test -c /dev/full; then
: | dd 2>/dev/full && fail=1
fi
Exit $fail