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# Copyright (c) 1997-2024
# Ewgenij Gawrilow, Michael Joswig, and the polymake team
# Technische Universität Berlin, Germany
# https://polymake.org
#
# 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 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# 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.
#-------------------------------------------------------------------------------
use strict;
use namespaces;
use warnings qw(FATAL void syntax misc);
require Scalar::Util;
package Polymake::Test::Stream;
use Polymake::Struct (
[ '@ISA' => 'Case' ],
'$buffer',
'$handle',
[ '$filters' => '#%', default => 'undef' ],
);
sub new {
my $self=&Case::new;
open my $h, ">", \($self->buffer);
$self->handle=$h;
$self;
}
sub execute {
my ($self) = @_;
close $self->handle;
my (@expected, @gotten);
local $_;
my $expected_file = $self->subgroup->group->env->find_data_file($self->name."$_.OK");
open my $expected, "<", $expected_file
or die "can't read $expected_file: $!\n";
while (<$expected>) {
if (defined(my $filters = $self->filters)) {
foreach my $filter (@$filters) {
&$filter;
defined($_) or last;
}
}
if (defined($_)) {
push @expected, Scalar::Util::dualvar($., $_);
}
}
foreach (split /(?<=\n)/, $self->buffer) {
if (defined(my $filters = $self->filters)) {
foreach my $filter (@$filters) {
&$filter;
defined($_) or last;
}
}
if (defined($_)) {
push @gotten, $_;
}
}
my $lineno;
my $gotten_lineno = -1;
$self->fail_log = "";
foreach my $expected_line (@expected) {
$lineno = $expected_line+0;
if (++$gotten_lineno > $#gotten) {
$self->fail_log .= "line $lineno:\n".
"expected: $expected_line\n".
" got: __END__\n";
last;
}
if ($expected_line ne $gotten[$gotten_lineno]) {
$self->fail_log .= "line $lineno:\n".
"expected: $expected_line\n".
" got: $gotten[$gotten_lineno]\n";
}
}
if (++$gotten_lineno <= $#gotten) {
++$lineno;
$self->fail_log .= "line $lineno:\n".
"expected: __END__\n".
" got: $gotten[$gotten_lineno]\n";
}
length($self->fail_log) == 0
}
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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