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275c078fb4
Run "make update-copyright", but then also run this, perl -pi -e 's/2\d\d\d-//' tests/sample-test to make that one script use the single most recent year number.
53 lines
1.8 KiB
Bash
Executable File
53 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that sort --sort-random doesn't sort.
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# Copyright (C) 2005-2014 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ sort
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seq 100 > in || framework_failure_
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sort --random-sort in > out || fail=1
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# Fail if the input is the same as the output.
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# This is a probabilistic test :-)
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# However, the odds of failure are very low: 1 in 100! (~ 1 in 10^158)
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compare in out > /dev/null && { fail=1; echo "not random?" 1>&2; }
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# Fail if the sorted output is not the same as the input.
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sort -n out > out1
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compare in out1 || { fail=1; echo "not a permutation" 1>&2; }
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# If locale is available then use it to find a random non-C locale.
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if (locale --version) > /dev/null 2>&1; then
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locale=$(locale -a | sort --random-sort | $AWK '/^.._/{print;exit}')
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LC_ALL=$locale sort --random-sort in > out1 || fail=1
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LC_ALL=$locale sort --random-sort in > out2 || fail=1
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# Fail if the output "randomly" is the same twice in a row.
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compare out1 out2 > /dev/null &&
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{ fail=1; echo "not random with LC_ALL=$locale" 1>&2; }
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# Fail if the sorted output is not the same as the input.
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sort -n out > out1
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compare in out1 ||
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{ fail=1; echo "not a permutation with LC_ALL=$locale" 1>&2; }
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fi
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Exit $fail
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