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coreutils/tests/misc/env-null.sh
Stefano Lattarini 21b5147fd8 build: don't use recursive make for tests/ subdirectory
* Makefile.am (SUBDIRS): Remove 'tests'.
(include): The '$(top_srcdir)/tests/local.mk' file.
(check-root): Remove this convenience target, it's no longer needed
now that the "real" check-root target once in 'tests/Makefile' will
land in the top-level makefile.
* configure.ac (AC_CONFIG_FILES): Remove 'tests/Makefile'.
* tests/Makefile.am: Rename ...
* tests/local.mk: ... like this, with a lot of adjustments.
* tests/init.cfg: Move ...
* init.cfg: ... here.  This is necessary, for a limitation of the
gnulib-provided 'tests/init.sh', which unconditionally look for
'init.cfg' in the $(srcdir) directory.
* tests/*/*.sh: Adjust: expect init.sh to be in '$srcdir/tests',
not in '$srcdir', and extend $PATH with './src', not with '../src'.
* tests/Coreutils.pm: Adjust similarly.
* tests/pr/pr-tests.pl ($pfx): Likewise.
2012-09-05 08:48:29 +02:00

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#!/bin/sh
# Verify behavior of env -0 and printenv -0.
# 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/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ env printenv
# POSIX is clear that environ may, but need not be, sorted.
# Environment variable values may contain newlines, which cannot be
# observed by merely inspecting output from env.
# Cygwin requires a minimal environment to launch new processes: execve
# adds missing variables SYSTEMROOT and WINDIR, which show up in a
# subsequent env. Cygwin also requires /bin to always be part of PATH,
# and attempts to unset or reduce PATH may cause execve to fail.
#
# For these reasons, it is better to compare two outputs from distinct
# programs that should be the same, rather than building an exp file.
env -i PATH="$PATH" env -0 > out1 || fail=1
env -i PATH="$PATH" printenv -0 > out2 || fail=1
compare out1 out2 || fail=1
env -i PATH="$PATH" env --null > out2 || fail=1
compare out1 out2 || fail=1
env -i PATH="$PATH" printenv --null > out2 || fail=1
compare out1 out2 || fail=1
# env -0 does not work if a command is specified.
env -0 echo hi > out
test $? = 125 || fail=1
test -s out && fail=1
# Test env -0 on a one-variable environment.
printf 'a=b\nc=\0' > exp || framework_failure_
env -i -0 "$(printf 'a=b\nc=')" > out || fail=1
compare exp out || fail=1
# Test printenv -0 on particular values.
printf 'b\nc=\0' > exp || framework_failure_
env "$(printf 'a=b\nc=')" printenv -0 a > out || fail=1
compare exp out || fail=1
env -u a printenv -0 a > out
test $? = 1 || fail=1
test -s out && fail=1
env -u b "$(printf 'a=b\nc=')" printenv -0 b a > out
test $? = 1 || fail=1
compare exp out || fail=1
Exit $fail