large-file.test
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#!/usr/bin/env perl
require 5.008;
use warnings;
use strict;
unshift(@INC, '.');
require qpdf_test_helpers;
chdir("qpdf") or die "chdir testdir failed: $!\n";
require TestDriver;
my $td = new TestDriver('large-file');
my $large_file_test_path = $ENV{'QPDF_LARGE_FILE_TEST_PATH'} || undef;
if (defined($large_file_test_path))
{
$large_file_test_path = File::Spec->rel2abs($large_file_test_path);
$large_file_test_path =~ s!\\!/!g;
}
large_cleanup();
my $nlarge = 1;
if (defined $large_file_test_path)
{
$nlarge = 2;
}
else
{
$td->notify("--- Skipping tests on actual large files ---");
}
my $n_tests = $nlarge * 21;
for (my $large = 0; $large < $nlarge; ++$large)
{
my $now = time();
my $show_time = sub {};
if ($large)
{
$td->notify("--- Running tests on actual large files ---");
$show_time = sub {
$td->notify("--- time: " . (time() - $now));
};
}
else
{
$td->notify("--- Running large file tests on small files ---");
}
my $size = ($large ? "large" : "small");
my $file = $large ? "$large_file_test_path/a.pdf" : "a.pdf";
my $json = $large ? "$large_file_test_path/a.json" : "a.json";
# Pick a stream near the end of the file to test.
my $stream = $large ? "$large_file_test_path/a.json-603" : "a.json-603";
$now = time();
$td->runtest("write test file",
{$td->COMMAND => "test_large_file write $size '$file'"},
{$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
&$show_time();
$now = time();
$td->runtest("read test file",
{$td->COMMAND => "test_large_file read $size '$file'"},
{$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
&$show_time();
$td->runtest("check",
{$td->COMMAND => "qpdf --suppress-recovery --check '$file'",
$td->FILTER => "grep -v checking"},
{$td->FILE => "large_file-check-normal.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$now = time();
$td->runtest("large to json inline",
{$td->COMMAND => "qpdf --json-output '$file' '$json'"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
&$show_time();
$now = time();
$td->runtest("json inline to large",
{$td->COMMAND =>
"qpdf --json-input --compress-streams=n" .
" --static-id '$json' '$file'"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
&$show_time();
$td->runtest("read test file",
{$td->COMMAND => "test_large_file read $size '$file'"},
{$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$now = time();
$td->runtest("large to json with file",
{$td->COMMAND =>
"qpdf --json-output --json-stream-data=file" .
" '$file' '$json'"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
&$show_time();
$td->runtest("inspect json",
{$td->FILE => $json, $td->FILTER => "perl filter-json.pl"},
{$td->FILE => "exp-large-json.json"},
$td->NORMALIZE_NEWLINES);
$td->runtest("spot check stream",
{$td->FILE => $stream},
{$td->FILE => "exp-large-stream"},
$td->NORMALIZE_NEWLINES);
$now = time();
$td->runtest("json with file to large",
{$td->COMMAND =>
"qpdf --json-input" .
" --compress-streams=n '$json' '$file'"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
&$show_time();
$td->runtest("read test file",
{$td->COMMAND => "test_large_file read $size '$file'"},
{$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
for my $ostream (0, 1)
{
for my $linearize (0, 1)
{
if (($ostream == 0) && ($linearize == 0))
{
# Original file has no object streams and is not linearized.
next;
}
my $args = "";
my $omode = $ostream ? "generate" : "disable";
my $lin = $linearize ? "--linearize" : "";
my $newfile = "$file-new";
$td->runtest("transform: ostream=$ostream, linearize=$linearize",
{$td->COMMAND =>
"qpdf --stream-data=preserve" .
" --object-streams=$omode" .
" $lin '$file' '$newfile'"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("read: ostream=$ostream, linearize=$linearize",
{$td->COMMAND =>
"test_large_file read $size '$newfile'"},
{$td->FILE => "large_file.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
my $check_out =
($linearize
? ($ostream
? "large_file-check-ostream-linearized.out"
: "large_file-check-linearized.out")
: ($ostream
? "large_file-check-ostream.out"
: "large_file-check-normal.out"));
$td->runtest("check: ostream=$ostream, linearize=$linearize",
{$td->COMMAND =>
"qpdf --suppress-recovery --check '$newfile'",
$td->FILTER => "grep -v checking"},
{$td->FILE => $check_out, $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
unlink $newfile;
}
}
# Clobber xref
open(F, "+<$file") or die;
seek(F, -50, 2);
my $pos = tell F;
my $buf;
read(F, $buf, 50);
die unless $buf =~ m/^(.*startxref\n)\d+/s;
$pos += length($1);
seek(F, $pos, 0) or die;
print F "oops" or die;
close(F);
my $cmd = +{$td->COMMAND => "test_large_file read $size '$file'"};
if ($large)
{
$cmd->{$td->FILTER} = "sed -e 's,$large_file_test_path/,,'";
}
$td->runtest("reconstruct xref table",
$cmd,
{$td->FILE => "large_file_xref_reconstruct.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
unlink $file;
large_cleanup();
}
large_cleanup();
sub large_cleanup
{
cleanup();
system("rm -f a.json* a.pdf*");
if (defined $large_file_test_path)
{
system("rm -f $large_file_test_path/a.pdf*" .
" $large_file_test_path/a.json*");
}
}
$td->report($n_tests);