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coreutils/tests/misc/sort-rand.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 that sort --sort-random doesn't sort.
# Copyright (C) 2005-2012 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/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ sort
seq 100 > in || framework_failure_
sort --random-sort in > out || fail=1
# Fail if the input is the same as the output.
# This is a probabilistic test :-)
# However, the odds of failure are very low: 1 in 100! (~ 1 in 10^158)
compare in out > /dev/null && { fail=1; echo "not random?" 1>&2; }
# Fail if the sorted output is not the same as the input.
sort -n out > out1
compare in out1 || { fail=1; echo "not a permutation" 1>&2; }
# If locale is available then use it to find a random non-C locale.
if (locale --version) > /dev/null 2>&1; then
locale=$(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