global: convert indentation-TABs to spaces
[coreutils.git] / tests / misc / sort-merge
blobaedd64c64b1c7b14855a3d2a5a158d60d6186f2a
1 #!/usr/bin/perl
2 # Test "sort -m".
4 # Copyright (C) 2002, 2003, 2005-2009 Free Software Foundation, Inc.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 use strict;
21 my $limits = getlimits ();
23 (my $program_name = $0) =~ s|.*/||;
24 my $prog = 'sort';
26 # Turn off localization of executable's output.
27 @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
29 # three empty files and one that says 'foo'
30 my @inputs = (+(map{{IN=> {"empty$_"=> ''}}}1..3), {IN=> {foo=> "foo\n"}});
32 my $big_input = "aaa\n" x 1024;
34 # don't need to check for existence, since we're running in a temp dir
35 my $badtmp = 'does/not/exist';
37 my $bigint = $limits->{'UINTMAX_OFLOW'};
39 my @Tests =
41 ['m1', '-m', @inputs, {OUT=>"foo\n"}],
43 # check validation of --batch-size option
44 ['nmerge-0', "-m --batch-size=0", @inputs,
45 {ERR=>"$prog: invalid --batch-size argument `0'\n".
46 "$prog: minimum --batch-size argument is `2'\n"}, {EXIT=>2}],
48 ['nmerge-1', "-m --batch-size=1", @inputs,
49 {ERR=>"$prog: invalid --batch-size argument `1'\n".
50 "$prog: minimum --batch-size argument is `2'\n"}, {EXIT=>2}],
52 ['nmerge-neg', "-m --batch-size=-1", @inputs,
53 {ERR=>"$prog: invalid --batch-size argument `-1'\n"}, {EXIT=>2}],
55 ['nmerge-nan', "-m --batch-size=a", @inputs,
56 {ERR=>"$prog: invalid --batch-size argument `a'\n"}, {EXIT=>2}],
58 ['nmerge-big', "-m --batch-size=$bigint", @inputs,
59 {ERR_SUBST=>'s/(current rlimit is) \d+/$1/'},
60 {ERR=>"$prog: --batch-size argument `$bigint' too large\n".
61 "$prog: maximum --batch-size argument with current rlimit is\n"},
62 {EXIT=>2}],
64 # This should work since nmerge >= the number of input files
65 ['nmerge-yes', "-m --batch-size=4 -T$badtmp", @inputs, {OUT=>"foo\n"}],
67 # this should fail since nmerge < # of input files, so
68 # temp files are needed
69 ['nmerge-no', "-m --batch-size=2 -T$badtmp", @inputs,
70 {ERR_SUBST=>"s|': .*|':|"},
71 {ERR=>"$prog: cannot create temporary file in `$badtmp':\n"},
72 {EXIT=>2}],
74 # This used to fail because setting batch-size without also setting
75 # buffer size would cause the buffer size to be set to the minimum.
76 ['batch-size', "--batch-size=16 -T$badtmp", {IN=> {big=> $big_input}},
77 {OUT=>$big_input}],
80 my $save_temps = $ENV{DEBUG};
81 my $verbose = $ENV{VERBOSE};
83 my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
84 exit $fail;