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coreutils/tests/df/no-mtab-status.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
# Test df's behaviour when the mount list cannot be read.
# This test is skipped on systems that lack LD_PRELOAD support; that's fine.
# Copyright (C) 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_ df
df || skip_ "df fails"
# Simulate "mtab" failure.
cat > k.c <<'EOF' || framework_failure_
#include <stdio.h>
#include <errno.h>
#include <mntent.h>
struct mntent *getmntent (FILE *fp)
{
/* Prove that LD_PRELOAD works. */
static int done = 0;
if (!done)
{
fclose (fopen ("x", "w"));
++done;
}
/* Now simulate the failure. */
errno = ENOENT;
return NULL;
}
EOF
# Then compile/link it:
$CC -shared -fPIC -ldl -O2 k.c -o k.so \
|| skip_ "getmntent hack does not work on this platform"
# Test if LD_PRELOAD works:
LD_PRELOAD=./k.so df
test -f x || skip_ "internal test failure: maybe LD_PRELOAD doesn't work?"
# These tests are supposed to succeed:
LD_PRELOAD=./k.so df '.' || fail=1
LD_PRELOAD=./k.so df -i '.' || fail=1
LD_PRELOAD=./k.so df -T '.' || fail=1
LD_PRELOAD=./k.so df -Ti '.' || fail=1
LD_PRELOAD=./k.so df --total '.' || fail=1
# These tests are supposed to fail:
LD_PRELOAD=./k.so df && fail=1
LD_PRELOAD=./k.so df -i && fail=1
LD_PRELOAD=./k.so df -T && fail=1
LD_PRELOAD=./k.so df -Ti && fail=1
LD_PRELOAD=./k.so df --total && fail=1
LD_PRELOAD=./k.so df -a && fail=1
LD_PRELOAD=./k.so df -a '.' && fail=1
LD_PRELOAD=./k.so df -l && fail=1
LD_PRELOAD=./k.so df -l '.' && fail=1
LD_PRELOAD=./k.so df -t hello && fail=1
LD_PRELOAD=./k.so df -t hello '.' && fail=1
LD_PRELOAD=./k.so df -x hello && fail=1
LD_PRELOAD=./k.so df -x hello '.' && fail=1
Exit $fail