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# Copyright (C) 2002-2003, 2005-2011 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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my $limits = getlimits ();
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(my $program_name = $0) =~ s|.*/||;
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# Turn off localization of executable's output.
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@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
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# three empty files and one that says 'foo'
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my @inputs = (+(map{{IN=> {"empty$_"=> ''}}}1..3), {IN=> {foo=> "foo\n"}});
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my $big_input = "aaa\n" x 1024;
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# don't need to check for existence, since we're running in a temp dir
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my $badtmp = 'does/not/exist';
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my $bigint = $limits->{UINTMAX_OFLOW};
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['m1', '-m', @inputs, {OUT=>"foo\n"}],
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# check validation of --batch-size option
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['nmerge-0', "-m --batch-size=0", @inputs,
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{ERR=>"$prog: invalid --batch-size argument `0'\n".
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"$prog: minimum --batch-size argument is `2'\n"}, {EXIT=>2}],
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['nmerge-1', "-m --batch-size=1", @inputs,
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{ERR=>"$prog: invalid --batch-size argument `1'\n".
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"$prog: minimum --batch-size argument is `2'\n"}, {EXIT=>2}],
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['nmerge-neg', "-m --batch-size=-1", @inputs,
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{ERR=>"$prog: invalid --batch-size argument `-1'\n"}, {EXIT=>2}],
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['nmerge-nan', "-m --batch-size=a", @inputs,
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{ERR=>"$prog: invalid --batch-size argument `a'\n"}, {EXIT=>2}],
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['nmerge-big', "-m --batch-size=$bigint", @inputs,
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{ERR_SUBST=>'s/(current rlimit is) \d+/$1/'},
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{ERR=>"$prog: --batch-size argument `$bigint' too large\n".
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"$prog: maximum --batch-size argument with current rlimit is\n"},
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# This should work since nmerge >= the number of input files
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['nmerge-yes', "-m --batch-size=4 -T$badtmp", @inputs, {OUT=>"foo\n"}],
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# this should fail since nmerge < # of input files, so
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# temp files are needed
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['nmerge-no', "-m --batch-size=2 -T$badtmp", @inputs,
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{ERR_SUBST=>"s|': .*|':|"},
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{ERR=>"$prog: cannot create temporary file in `$badtmp':\n"},
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# This used to fail because setting batch-size without also setting
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# buffer size would cause the buffer size to be set to the minimum.
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['batch-size', "--batch-size=16 -T$badtmp", {IN=> {big=> $big_input}},
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my $save_temps = $ENV{DEBUG};
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my $verbose = $ENV{VERBOSE};
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my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
added
removed
tests/misc/sort-merge
