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95 lines
2.9 KiB
Perl
95 lines
2.9 KiB
Perl
#!/usr/bin/env perl
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require 5.008;
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use warnings;
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use strict;
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use File::Copy;
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unshift(@INC, '.');
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require qpdf_test_helpers;
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chdir("qpdf") or die "chdir testdir failed: $!\n";
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require TestDriver;
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cleanup();
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my $td = new TestDriver('deterministic-id');
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my $n_tests = 19;
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# Do not use qpdf-test-compare in this test suite since it ignores
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# /ID[1].
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foreach my $d ('nn', 'ny', 'yn', 'yy')
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{
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my $linearize = ($d =~ m/^y/);
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my $ostream = ($d =~ m/y$/);
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# The deterministic ID is a function of all the data in the file.
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# As such, it is affected by which zlib implementation is in use.
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# The important thing is that the ID is the same if a file is
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# generated the same way more than once, so rather than comparing
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# the output file to a known output, compare subsequent outputs
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# with each other.
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foreach my $out ('a.pdf', 'b.pdf')
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{
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$td->runtest("deterministic ID: linearize/ostream=$d",
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{$td->COMMAND =>
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"qpdf -deterministic-id" .
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($linearize ? " -linearize" : "") .
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" -object-streams=" . ($ostream ? "generate" : "disable") .
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" deterministic-id-in.pdf $out"},
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{$td->STRING => "",
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$td->EXIT_STATUS => 0});
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}
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$td->runtest("compare files",
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{$td->FILE => "a.pdf"},
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{$td->FILE => "b.pdf"});
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check_id('a.pdf');
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if ($d eq 'nn')
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{
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# Save for the C API test
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copy("a.pdf", 'c.pdf');
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}
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}
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$td->runtest("deterministic ID with encryption",
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{$td->COMMAND => "qpdf -deterministic-id encrypted-with-images.pdf a.pdf"},
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{$td->STRING => "qpdf: INTERNAL ERROR: QPDFWriter::generateID" .
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" has no data for deterministic ID." .
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" This may happen if deterministic ID and" .
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" file encryption are requested together.\n",
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$td->EXIT_STATUS => 2},
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$td->NORMALIZE_NEWLINES);
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$td->runtest("deterministic ID (C API)",
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{$td->COMMAND =>
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"qpdf-ctest 19 deterministic-id-in.pdf '' a.pdf"},
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{$td->STRING => "C test 19 done\n",
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$td->EXIT_STATUS => 0},
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$td->NORMALIZE_NEWLINES);
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$td->runtest("compare files",
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{$td->FILE => "a.pdf"},
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{$td->FILE => "c.pdf"});
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cleanup();
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$td->report($n_tests);
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sub check_id
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{
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my $f = shift;
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chomp(my $id = `qpdf --show-object=trailer $f`);
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if ($id =~ m,.*/ID \[ <(9b1c69409fc9a5f50e44b9588e3e60f8)> <(.{32})>,)
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{
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my $id0 = $1;
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my $id1 = $2;
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$td->runtest("ID fields differ",
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{$td->STRING => $id0 ne $id1 ? "YES\n" : "$id0 $id1\n"},
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{$td->STRING => "YES\n"});
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}
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else
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{
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$td->runtest("checked ID",
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{$td->STRING => "YES\n"},
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{$td->STRING => "$id\n"});
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}
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}
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