blob: 8b9fb2df0b90388bc9bbe6b130cae47e76504232 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#!/bin/sh
# Ensure that sort --sort-random doesn't sort.
# Copyright (C) 2005-2007 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
. $srcdir/../test-lib.sh
seq 100 > in || framework_failure
fail=0
sort --random-sort in > out || fail=1
# Fail if the input is the same as the output.
# This is a probabilistic test :-)
# However, the odds of failure are very low: 1 in 100! (~ 1 in 10^158)
compare in out > /dev/null && { fail=1; echo "not random?" 1>&2; }
# Fail if the sorted output is not the same as the input.
sort -n out > out1
compare in out1 || { fail=1; echo "not a permutation" 1>&2; }
# If locale is available then use it to find a random non-C locale.
if (locale --version) > /dev/null 2>&1; then
locale=`locale -a | sort --random-sort | awk '/^.._/{print;exit}'`
LC_ALL=$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
|
