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b78c6b68f7
* tests/CuTmpdir.pm: New file.
* tests/Makefile.am (EXTRA_DIST): Add CuTmpdir.pm.
* tests/misc/od, tests/misc/base64, tests/misc/basename:
* tests/misc/cut, tests/misc/date, tests/misc/dirname:
* tests/misc/expand, tests/misc/fold, tests/misc/head-elide-tail:
* tests/misc/paste-no-nl, tests/misc/pr, tests/misc/sha224sum:
* tests/misc/sha256sum, tests/misc/sha384sum, tests/misc/sha512sum:
* tests/misc/sort-merge, tests/misc/stat-printf, tests/misc/test-diag:
* tests/misc/wc-files0-from, tests/misc/xstrtol:
* tests/dd/skip-seek, tests/dircolors/simple, tests/du/files0-from:
* tests/expr/basic, tests/factor/basic, tests/fmt/basic:
* tests/ls-2/tests, tests/md5sum/basic-1, tests/md5sum/newline-1:
* tests/seq/basic, tests/sha1sum/basic-1, tests/sha1sum/sample-vec:
* tests/sum/basic-1, tests/tsort/basic-1, tests/unexpand/basic-1:
* tests/mv/i-1, tests/rm/empty-name, tests/rm/unreadable: Use it.
* tests/misc/test-diag: Use "$ENV{abs_top_builddir}/src/test",
not "../../src/test", so it works when run from a subdirectory.
* tests/ls-2/tests: Create temp files and dirs from within the perl
script, so that they're removed, when run from a subdirectory.
123 lines
3.8 KiB
Perl
Executable File
123 lines
3.8 KiB
Perl
Executable File
#!/bin/sh
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# -*- perl -*-
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# Exercise head's --bytes=-N option.
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# Copyright (C) 2003, 2005 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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: ${PERL=perl}
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: ${srcdir=.}
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$PERL -e 1 > /dev/null 2>&1 || {
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echo 1>&2 "$0: configure didn't find a usable version of Perl," \
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"so can't run this test"
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exit 77
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}
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me=`echo $0|sed 's,.*/,,'`
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exec $PERL -w -I$srcdir/.. -MCoreutils -M"CuTmpdir qw($me)" -- - <<\EOF
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#/
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require 5.003;
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use strict;
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(my $program_name = $0) =~ s|.*/||;
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$ENV{PROG} = 'head';
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# Turn off localization of executable's ouput.
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@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
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# This should match the definition in head.c.
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my $READ_BUFSIZE = 4096;
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my @Tests =
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(
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# Elide the exact size of the file.
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['elide-b1', "--bytes=-2", {IN=>"a\n"}, {OUT=>''}],
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# Elide more than the size of the file.
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['elide-b2', "--bytes=-2", {IN=>"a"}, {OUT=>''}],
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# Leave just one byte.
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['elide-b3', "--bytes=-2", {IN=>"abc"}, {OUT=>'a'}],
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# Make it so the elided bytes straddle the end of the first
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# $READ_BUFSIZE block.
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['elide-b4', "--bytes=-2",
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{IN=> 'a' x ($READ_BUFSIZE-3) . "\nbcd"},
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{OUT=>'a' x ($READ_BUFSIZE-3) . "\nb"}],
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# Make it so the elided bytes straddle the end of the 2nd
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# $READ_BUFSIZE block.
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['elide-b5', "--bytes=-2",
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{IN=> 'a' x (2 * $READ_BUFSIZE - 2) . 'bcd'},
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{OUT=>'a' x (2 * $READ_BUFSIZE - 2) . 'b'}],
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['elide-l0', "--lines=-1", {IN=>''}, {OUT=>''}],
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['elide-l1', "--lines=-1", {IN=>"a\n"}, {OUT=>''}],
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['elide-l2', "--lines=-1", {IN=>"a"}, {OUT=>''}],
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['elide-l3', "--lines=-1", {IN=>"a\nb"}, {OUT=>"a\n"}],
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['elide-l4', "--lines=-1", {IN=>"a\nb\n"}, {OUT=>"a\n"}],
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);
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if ($ENV{RUN_EXPENSIVE_TESTS})
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{
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# Brute force: use all combinations of file sizes [0..20] and
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# number of bytes to elide [0..20]. For better coverage, recompile
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# head with -DHEAD_TAIL_PIPE_READ_BUFSIZE=4 and
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# -DHEAD_TAIL_PIPE_BYTECOUNT_THRESHOLD=8
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my $s = "abcdefghijklmnopqrst";
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for my $file_size (0..20)
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{
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for my $n_elide (0..20)
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{
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my $input = substr $s, 0, $file_size;
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my $out_len = $n_elide < $file_size ? $file_size - $n_elide : 0;
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my $output = substr $input, 0, $out_len;
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my $t = ["elideb$file_size-$n_elide", "--bytes=-$n_elide",
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{IN=>$input}, {OUT=>$output}];
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push @Tests, $t;
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my @u = @$t;
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# Insert the ---presume-input-pipe option.
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$u[0] .= 'p';
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$u[1] .= ' ---presume-input-pipe';
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push @Tests, \@u;
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}
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}
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$s =~ s/(.)/$1\n/g;
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for my $file_size (0..20)
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{
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for my $n_elide (0..20)
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{
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my $input = substr $s, 0, 2 * $file_size;
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my $out_len = $n_elide < $file_size ? $file_size - $n_elide : 0;
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my $output = substr $input, 0, 2 * $out_len;
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my $t = ["elidel$file_size-$n_elide", "--lines=-$n_elide",
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{IN=>$input}, {OUT=>$output}];
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push @Tests, $t;
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my @u = @$t;
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# Insert the ---presume-input-pipe option.
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$u[0] .= 'p';
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$u[1] .= ' ---presume-input-pipe';
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push @Tests, \@u;
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}
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}
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}
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my $save_temps = $ENV{DEBUG};
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my $verbose = $ENV{VERBOSE};
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my $prog = $ENV{PROG} || die "$0: \$PROG not specified in environment\n";
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my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
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exit $fail;
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EOF
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