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coreutils/tests/misc/sort-rand
Jim Meyering 512e111a92 Revamp test-related Makefiles.
One side-effect of this change is that "make check" now works even if
you put "." early in your shell's search PATH (don't do that!).

Remove all test-related Makefile.am files, except those generated
by mk-script.  Instead, tests/Makefile.am now lists not only the
tests directly under tests/, but also those in tests/*/ that are
not generated by mk-script, e.g., cp/abuse, cp/acl, mv/i-1, etc.

A lot of these changes are like this:

-. $srcdir/../lang-default
+. $top_srcdir/tests/lang-default

-. $srcdir/../test-lib.sh
+. $top_srcdir/tests/test-lib.sh

* configure.ac (AC_CONFIG_FILES): Remove corresponding Makefiles.
* tests/check.mk (vc_exe_in_TESTS): Relax syntax requirements.
* tests/rwx-to-mode: Remove file.  Rewritten as...
* tests/test-lib.sh (rwx_to_mode_): ...this new function.
* tests/Makefile.am (EXTRA_DIST): Remove rwx-to-mode.
(SUBDIRS): Remove each dir with a removed Makefile.am.
(EXTRA_DIST): Add $(TESTS).
(TESTS): Add over 300 entries.
2008-04-21 00:01:51 +02:00

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#!/bin/sh
# Ensure that sort --sort-random doesn't sort.
# Copyright (C) 2005-2008 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/>.
if test "$VERBOSE" = yes; then
set -x
sort --version
fi
. $top_srcdir/tests/test-lib.sh
seq 100 > in || framework_failure
fail=0
sort --random-sort in > out || fail=1
# Fail if the input is the same as the output.
# This is a probabilistic test :-)
# However, the odds of failure are very low: 1 in 100! (~ 1 in 10^158)
compare in out > /dev/null && { fail=1; echo "not random?" 1>&2; }
# Fail if the sorted output is not the same as the input.
sort -n out > out1
compare in out1 || { fail=1; echo "not a permutation" 1>&2; }
# If locale is available then use it to find a random non-C locale.
if (locale --version) > /dev/null 2>&1; then
locale=`locale -a | sort --random-sort | awk '/^.._/{print;exit}'`
LC_ALL=$locale sort --random-sort in > out1 || fail=1
LC_ALL=$locale sort --random-sort in > out2 || fail=1
# Fail if the output "randomly" is the same twice in a row.
compare out1 out2 > /dev/null && { fail=1; echo "not random with LC_ALL=$locale" 1>&2; }
# Fail if the sorted output is not the same as the input.
sort -n out > out1
compare in out1 || { fail=1; echo "not a permutation with LC_ALL=$locale" 1>&2; }
fi
(exit $fail); exit $fail