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|
#!/usr/bin/env perl
require 5.008;
BEGIN { $^W = 1; }
use strict;
use File::Copy;
use File::Basename;
use Cwd;
use Digest::MD5;
chdir("qpdf") or die "chdir testdir failed: $!\n";
require TestDriver;
cleanup();
my $td = new TestDriver('qpdf');
my $compare_images = 1;
if ((exists $ENV{'SKIP_TEST_COMPARE_IMAGES'}) &&
($ENV{'SKIP_TEST_COMPARE_IMAGES'} eq '1'))
{
$compare_images = 0;
}
my $have_acroread = 0;
if ($compare_images)
{
# check for working acroread
if (system("acroread -toPostScript -pairs good1.pdf a.ps" .
" >/dev/null 2>&1") == 0)
{
$have_acroread = 1;
}
}
# These variables are used to store the total number of tests in the
# test suite. NOTE: qtest's requirement to indicate the number of
# tests serves as a check that the test suite is operating properly.
# Do not calculate these values as a side effect of running the tests.
# That defeats the purpose. However, since this test suite consists
# of several separate series of tests, many of which iterate over
# static lists of things, we calculate the numbers as we go in terms
# of static values.
# This should be set to the number of times we called compare_pdfs.
# This has to be kept separate because the number of test cases
# compare_pdfs generates depends on the value of $compare_images.
my $n_compare_pdfs = 0;
# This should be set to the number of times we call acroread.
my $n_acroread = 0;
# Each section of tests should increment this number by the number of
# tests they generate excluding calls to acroread or compare_pdfs,
# which are tracked separately by $n_compare_pdfs and $n_acroread.
my $n_tests = 0;
# Call show_ntests after each block of test cases. In show_ntests,
# you can turn on printing of the expected number of test cases. This
# is useful for tracking down problems in the number of test cases.
show_ntests();
# ----------
$n_compare_pdfs += 5;
# Check compare_pdfs to make sure that it works properly. Each call
# to compare_pdfs is worth three test cases.
compare_pdfs("p1-a-p2-b.pdf", "p1-a-p2-b.pdf");
compare_pdfs("p1-a.pdf", "p1-a.pdf");
compare_pdfs("p1-a.pdf", "p1-b.pdf", 1);
compare_pdfs("p1-a.pdf", "p1-a-p2-b.pdf", 1);
compare_pdfs("p1-a-p2-a.pdf", "p1-a-p2-b.pdf", 1);
flush_tiff_cache();
show_ntests();
# ----------
$td->notify("--- Stream Replacement Tests ---");
$n_tests += 8;
$td->runtest("replace stream data",
{$td->COMMAND => "test_driver 7 qstream.pdf"},
{$td->STRING => "test 7 done\n", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => "replaced-stream-data.pdf"});
$td->runtest("replace stream data compressed",
{$td->COMMAND => "test_driver 8 qstream.pdf"},
{$td->FILE => "test8.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => "replaced-stream-data-flate.pdf"});
$td->runtest("new streams",
{$td->COMMAND => "test_driver 9 minimal.pdf"},
{$td->FILE => "test9.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("new stream",
{$td->FILE => "a.pdf"},
{$td->FILE => "new-streams.pdf"});
$td->runtest("add page contents",
{$td->COMMAND => "test_driver 10 minimal.pdf"},
{$td->STRING => "test 10 done\n", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("new stream",
{$td->FILE => "a.pdf"},
{$td->FILE => "add-contents.pdf"});
show_ntests();
# ----------
$td->notify("--- Miscellaneous Tests ---");
$n_tests += 29;
$td->runtest("qpdf version",
{$td->COMMAND => "qpdf --version"},
{$td->REGEXP => "qpdf version \\S+\n.*", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("C API: qpdf version",
{$td->COMMAND => "qpdf-ctest --version"},
{$td->REGEXP => "qpdf-ctest version \\S+\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
foreach (my $i = 1; $i <= 3; ++$i)
{
$td->runtest("misc tests",
{$td->COMMAND => "test_driver 5 misc-$i.pdf"},
{$td->FILE => "misc-$i.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
$td->runtest("get stream data",
{$td->COMMAND => "test_driver 11 stream-data.pdf"},
{$td->FILE => "test11.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# Make sure we ignore decode parameters that we don't understand
$td->runtest("unknown decode parameters",
{$td->COMMAND => "qpdf --check fax-decode-parms.pdf"},
{$td->FILE => "fax-decode-parms.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# Handle xref stream with more entries than reported (bug 2872265)
$td->runtest("xref with short size",
{$td->COMMAND => "qpdf --show-xref xref-with-short-size.pdf"},
{$td->FILE => "xref-with-short-size.out",
$td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("recover xref with short size",
{$td->COMMAND => "qpdf xref-with-short-size.pdf a.pdf"},
{$td->FILE => "xref-with-short-size-recover.out",
$td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("show new xref stream",
{$td->COMMAND => "qpdf --show-xref a.pdf"},
{$td->FILE => "xref-with-short-size-new.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# Handle file with object stream containing an unreferenced object
# that in turn contains an indirect scalar (bug 2974522).
$td->runtest("unreferenced indirect scalar",
{$td->COMMAND =>
"qpdf --qdf --static-id --object-streams=preserve" .
" unreferenced-indirect-scalar.pdf a.qdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.qdf"},
{$td->FILE => "unreferenced-indirect-scalar.out"});
# Encrypt files whose /ID strings are other than 32 bytes long (bug
# 2991412).
foreach my $file (qw(short-id long-id))
{
$td->runtest("encrypt $file.pdf",
{$td->COMMAND =>
"qpdf --encrypt '' pass 40 -- $file.pdf a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check $file.pdf",
{$td->COMMAND => "qpdf --check a.pdf"},
{$td->FILE => "$file-check.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
# Handle file with invalid xref table and object 0 as a regular object
# (bug 3159950).
$td->runtest("check obj0.pdf",
{$td->COMMAND => "qpdf --check obj0.pdf"},
{$td->FILE => "obj0-check.out",
$td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
# Min/Force version
$td->runtest("set min version",
{$td->COMMAND => "qpdf --min-version=1.6 good1.pdf a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check version",
{$td->COMMAND => "qpdf --check a.pdf"},
{$td->FILE => "min-version.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("force version",
{$td->COMMAND => "qpdf --force-version=1.4 a.pdf b.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check version",
{$td->COMMAND => "qpdf --check b.pdf"},
{$td->FILE => "forced-version.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
unlink "a.pdf", "b.pdf" or die;
$td->runtest("C API: min/force versions",
{$td->COMMAND => "qpdf-ctest 14 object-stream.pdf '' a.pdf b.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("C check version 1",
{$td->COMMAND => "qpdf --check a.pdf"},
{$td->FILE => "min-version.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("C check version 2",
{$td->COMMAND => "qpdf --check b.pdf"},
{$td->FILE => "forced-version.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# Stream filter abbreviations from table H.1
$td->runtest("stream filter abbreviations",
{$td->COMMAND => "qpdf --static-id filter-abbreviation.pdf a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => "filter-abbreviation.out"});
$td->runtest("empty object",
{$td->COMMAND => "qpdf -show-object=7,0 empty-object.pdf"},
{$td->FILE => "empty-object.out",
$td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("error/output redirection to null",
{$td->COMMAND => "test_driver 12 linearized-and-warnings.pdf"},
{$td->FILE => "linearized-and-warnings-1.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("error/output redirection to strings",
{$td->COMMAND => "test_driver 13 linearized-and-warnings.pdf"},
{$td->FILE => "linearized-and-warnings-2.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
show_ntests();
# ----------
$td->notify("--- Error Condition Tests ---");
# $n_tests incremented after initialization of badfiles below.
my @badfiles = ("not a PDF file", # 1
"no startxref", # 2
"bad primary xref offset", # 3
"invalid xref syntax", # 4
"invalid xref entry", # 5
"free table inconsistency", # 6
"no trailer dictionary", # 7
"bad secondary xref", # 8
"no /Size in trailer", # 9
"/Size not integer", # 10
"/Prev not integer", # 11
"/Size inconsistency", # 12
"bad {", # 13
"bad }", # 14
"bad ]", # 15
"bad >>", # 16
"odd number of dictionary items", # 17
"bad )", # 18
"bad >", # 19
"invalid hexstring character", # 20
"invalid name token", # 21
"no /Length for stream dictionary", # 22
"/Length not integer", # 23
"expected endstream", # 24
"bad obj declaration (objid)", # 25
"bad obj declaration (generation)", # 26
"bad obj declaration (obj)", # 27
"expected endobj", # 28
"null in name", # 29
"invalid stream /Filter", # 30
"unknown stream /Filter", # 31
"obj/gen mismatch", # 32
"invalid stream /Filter and xref", # 33
"obj/gen in wrong place", # 34
"object stream of wrong type", # 35
);
$n_tests += @badfiles + 5;
# Test 6 contains errors in the free table consistency, but we no
# longer have any consistency check for this since it is not important
# neither Acrobat nor other PDF viewers really care. Tests 12 and 28
# have error conditions that used to be fatal but are now considered
# non-fatal.
my %badtest_overrides = (6 => 0, 12 => 0, 28 => 0, 31 => 0);
for (my $i = 1; $i <= scalar(@badfiles); ++$i)
{
my $status = $badtest_overrides{$i};
$status = 2 unless defined $status;
$td->runtest($badfiles[$i-1],
{$td->COMMAND => "test_driver 0 bad$i.pdf"},
{$td->FILE => "bad$i.out",
$td->EXIT_STATUS => $status},
$td->NORMALIZE_NEWLINES);
}
$td->runtest("C API: errors",
{$td->COMMAND => "qpdf-ctest 2 bad1.pdf '' a.pdf"},
{$td->FILE => "c-read-errors.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("C API: warnings and errors",
{$td->COMMAND => "qpdf-ctest 2 bad17.pdf '' a.pdf"},
{$td->FILE => "c-read-warnings-and-errors.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("C API: errors writing",
{$td->COMMAND => "qpdf-ctest 2 bad30.pdf '' a.pdf"},
{$td->FILE => "c-write-errors.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("C API: errors and warnings writing",
{$td->COMMAND => "qpdf-ctest 2 bad33.pdf '' a.pdf"},
{$td->FILE => "c-write-warnings-and-errors.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("C API: no recovery",
{$td->COMMAND => "qpdf-ctest 10 bad33.pdf '' a.pdf"},
{$td->FILE => "c-no-recovery.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
show_ntests();
# ----------
$td->notify("--- Recovery Tests ---");
$n_tests += @badfiles + 8;
# Recovery tests. These are mostly after-the-fact -- when recovery
# was implemented, some degree of recovery was possible on many of the
# files. Mostly the recovery does not actually repair the error,
# though in some cases it may. Acrobat Reader would not be able to
# recover any of these files any better.
my %recover_failures = ();
for (1, 7, 13..21, 24, 29..30, 33, 35)
{
$recover_failures{$_} = 1;
}
for (my $i = 1; $i <= scalar(@badfiles); ++$i)
{
my $status = 0;
if (exists $recover_failures{$i})
{
$status = 2;
}
$td->runtest("recover " . $badfiles[$i-1],
{$td->COMMAND => "test_driver 1 bad$i.pdf"},
{$td->FILE => "bad$i-recover.out",
$td->EXIT_STATUS => $status},
$td->NORMALIZE_NEWLINES);
}
# This heifer file was a real file that contained errors that Acrobat
# Reader can recover. We can recover it too.
$td->runtest("recover heifer file",
{$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
" -qdf heifer.pdf a.pdf"},
{$td->FILE => "heifer.out",
$td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => "heifer.qdf"});
# See if we can recover the cross reference table on a file that has
# been appended to even when it deletes and reuses objects. We can't
# completely do it in the case of deleted objects, but we can get
# mostly there.
$td->runtest("good replaced page contents",
{$td->COMMAND =>
"qpdf --static-id -qdf --no-original-object-ids" .
" append-page-content.pdf a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => "append-page-content-good.qdf"});
$td->runtest("damaged replaced page contents",
{$td->COMMAND =>
"qpdf --static-id -qdf --no-original-object-ids" .
" append-page-content-damaged.pdf a.pdf"},
{$td->FILE => "append-page-content-damaged.out",
$td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => "append-page-content-damaged.qdf"});
$td->runtest("run check on damaged file",
{$td->COMMAND => "qpdf --check append-page-content-damaged.pdf"},
{$td->FILE => "append-page-content-damaged-check.out",
$td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
$td->runtest("check with C API",
{$td->COMMAND =>
"qpdf-ctest 1 append-page-content-damaged.pdf '' ''"},
{$td->FILE => "append-page-content-damaged-c-check.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
show_ntests();
# ----------
$td->notify("--- Basic Parsing Tests ---");
# $n_tests incremented below after initialization of @goodfiles.
my @goodfiles = ("implicit null", # 1
"direct null", # 2
"unresolved null", # 3
"indirect null", # 4
"indirect bool, real", # 5
"direct bool", # 6
"integer", # 7
"real, ASCIIHexDecode", # 8
"string", # 9
"array", # 10
"dictionary", # 11
"stream", # 12
"nesting, strings, names", # 13
"tokenizing pipeline", # 14
"name", # 15
"object-stream", # 16
"hybrid xref", # 17
"hybrid xref old mode", # 18
"xref with prev", # 19
"lots of compressible objects", # 20
);
$n_tests += (3 * @goodfiles) + 6;
my %goodtest_overrides = ('14' => 3);
my %goodtest_flags =
('18' => '-ignore-xref-streams',
'20' => '-object-streams=generate',
);
for (my $i = 1; $i <= scalar(@goodfiles); ++$i)
{
my $n = $goodtest_overrides{$i} || 1;
$td->runtest("$goodfiles[$i-1]",
{$td->COMMAND => "test_driver $n good$i.pdf"},
{$td->FILE => "good$i.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
my $xflags = $goodtest_flags{$i} || '';
check_pdf("create qdf",
"qpdf --static-id -qdf $xflags good$i.pdf",
"good$i.qdf", 0);
}
check_pdf("no normalization",
"qpdf -qdf --static-id --normalize-content=n good7.pdf",
"good7-not-normalized.qdf",
0);
check_pdf("no qdf",
"qpdf --static-id good17.pdf",
"good17-not-qdf.pdf",
0);
check_pdf("no recompression",
"qpdf --static-id --stream-data=preserve good17.pdf",
"good17-not-recompressed.pdf",
0);
show_ntests();
# ----------
$td->notify("--- C API Tests ---");
my @capi = (
[2, 'no options'],
[3, 'normalized content'],
[4, 'ignore xref streams'],
[5, 'linearized'],
[6, 'object streams'],
[7, 'qdf'],
[8, 'no original object ids'],
[9, 'uncompressed streams'],
);
$n_tests += (2 * @capi) + 3;
foreach my $d (@capi)
{
my ($n, $description) = @$d;
my $outfile = $description;
$outfile =~ s/ /-/g;
$outfile = "c-$outfile.pdf";
$td->runtest($description,
{$td->COMMAND => "qpdf-ctest $n hybrid-xref.pdf '' a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("check $description",
{$td->FILE => "a.pdf"},
{$td->FILE => $outfile});
}
$td->runtest("write to bad file name",
{$td->COMMAND => "qpdf-ctest 2 hybrid-xref.pdf '' /:a:/:b:"},
{$td->REGEXP => "error: open /:a:/:b:: .*",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("write damaged to bad file name",
{$td->COMMAND => "qpdf-ctest 2 append-page-content-damaged.pdf" .
" '' /:a:/:b:"},
{$td->REGEXP =>
"warning:(?s:.*)\n" .
"error: open /:a:/:b:: .*",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("write damaged",
{$td->COMMAND => "qpdf-ctest 2 append-page-content-damaged.pdf" .
" '' a.pdf"},
{$td->FILE => "c-write-damaged.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
show_ntests();
# ----------
$td->notify("--- Object Stream Tests ---");
$n_tests += (36 * 4) + (12 * 2);
$n_compare_pdfs += 36;
for (my $n = 16; $n <= 19; ++$n)
{
my $in = "good$n.pdf";
foreach my $flags ('-object-streams=disable',
'-object-streams=preserve',
'-object-streams=generate')
{
foreach my $qdf ('-qdf', '', '-encrypt "" x 128 --')
{
# 4 tests + 1 compare_pdfs * 36 cases
# 2 additional tests * 12 cases
$td->runtest("object stream mode",
{$td->COMMAND =>
"qpdf --static-id $flags $qdf $in a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
compare_pdfs("good$n.pdf", "a.pdf");
if ($qdf eq '-qdf')
{
$td->runtest("fix-qdf identity check",
{$td->COMMAND => "fix-qdf a.pdf >| b.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("compare files",
{$td->FILE => "a.pdf"},
{$td->FILE => "b.pdf"});
}
$td->runtest("convert to qdf",
{$td->COMMAND =>
"qpdf --static-id --no-original-object-ids" .
" -qdf -decrypt" .
" -object-streams=disable $in a.qdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("convert output to qdf",
{$td->COMMAND =>
"qpdf --static-id --no-original-object-ids" .
" -qdf -object-streams=disable a.pdf b.qdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("compare files",
{$td->FILE => "a.qdf"},
{$td->FILE => "b.qdf"});
}
}
flush_tiff_cache();
}
show_ntests();
# ----------
$td->notify("--- Specific File Tests ---");
$n_tests += 4;
$n_compare_pdfs += 1;
# Special PDF files that caused problems at some point
# This file is a PDF 1.1 file with /# as a name and with
# inconsistencies in its free table. It also has LZW streams that
# happen to test boundary conditions in the LZW decoder.
$td->runtest("old and complex",
{$td->COMMAND => "qpdf --check old-and-complex.pdf"},
{$td->FILE => "old-and-complex-check.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("old and complex (C API)",
{$td->COMMAND => "qpdf-ctest 1 old-and-complex.pdf '' ''"},
{$td->FILE => "old-and-complex-c-check.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("convert to qdf",
{$td->COMMAND => "qpdf --qdf old-and-complex.pdf a.qdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
compare_pdfs("old-and-complex.pdf", "a.qdf");
$td->runtest("damaged stream",
{$td->COMMAND => "qpdf --check damaged-stream.pdf"},
{$td->FILE => "damaged-stream.out", $td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
show_ntests();
# ----------
$td->notify("--- Mutability Tests ---");
$n_tests += 4;
$td->runtest("no normalization",
{$td->COMMAND => "test_driver 4 test4-1.pdf"},
{$td->FILE => "test4-1.qdf",
$td->EXIT_STATUS => 0});
$td->runtest("object ordering",
{$td->COMMAND => "test_driver 4 test4-4.pdf"},
{$td->FILE => "test4-4.qdf",
$td->EXIT_STATUS => 0});
$td->runtest("loop detected",
{$td->COMMAND => "test_driver 4 test4-2.pdf"},
{$td->FILE => "test4-2.out",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
$td->runtest("stream detected",
{$td->COMMAND => "test_driver 4 test4-3.pdf"},
{$td->FILE => "test4-3.out",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
show_ntests();
# ----------
$td->notify("--- Extraction Tests ---");
$n_tests += 11;
$td->runtest("show xref",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-xref"},
{$td->FILE => "show-xref.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("show pages",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-pages"},
{$td->FILE => "show-pages.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("show-pages-images",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-pages --with-images"},
{$td->FILE => "show-pages-images.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("show-page-1",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-object=5,0"},
{$td->FILE => "show-page-1.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("show-page-1-content-raw",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-object=7 --raw-stream-data"},
{$td->FILE => "show-page-1-content-raw.out",
$td->EXIT_STATUS => 0});
$td->runtest("show-page-1-content-filtered",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-object=7 --filtered-stream-data"},
{$td->FILE => "show-page-1-content-filtered.out",
$td->EXIT_STATUS => 0});
$td->runtest("show-page-1-content-normalized",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-object=7,0 --filtered-stream-data --normalize-content=y"},
{$td->FILE => "show-page-1-content-normalized.out",
$td->EXIT_STATUS => 0});
$td->runtest("show-page-1-image",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-object=8 --raw-stream-data"},
{$td->FILE => "show-page-1-image.out",
$td->EXIT_STATUS => 0});
$td->runtest("unfilterable stream data",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-object=8 --filtered-stream-data"},
{$td->FILE => "show-unfilterable.out",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
$td->runtest("show-xref-by-id",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-object=12"},
{$td->FILE => "show-xref-by-id.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("show-xref-by-id-filtered",
{$td->COMMAND => "qpdf encrypted-with-images.pdf" .
" --show-object=12 --filtered-stream-data"},
{$td->FILE => "show-xref-by-id-filtered.out",
$td->EXIT_STATUS => 0});
show_ntests();
# ----------
$td->notify("--- Clear-text Metadata Tests ---");
$n_tests += 42;
# args: file, exp_encrypted, exp_cleartext
check_metadata("compressed-metadata.pdf", 0, 0);
check_metadata("enc-base.pdf", 0, 1);
foreach my $f (qw(compressed-metadata.pdf enc-base.pdf))
{
foreach my $w (qw(compress preserve))
{
$td->runtest("$w streams",
{$td->COMMAND => "qpdf --stream-data=$w $f a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
check_metadata("a.pdf", 0, 1);
$td->runtest("encrypt normally",
{$td->COMMAND =>
"qpdf --encrypt '' '' 128 -- a.pdf b.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
check_metadata("b.pdf", 1, 0);
unlink "b.pdf";
$td->runtest("encrypt V4",
{$td->COMMAND =>
"qpdf --encrypt '' '' 128 --force-V4 -- a.pdf b.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
check_metadata("b.pdf", 1, 0);
unlink "b.pdf";
$td->runtest("encrypt with cleartext metadata",
{$td->COMMAND =>
"qpdf --encrypt '' '' 128 --cleartext-metadata --" .
" a.pdf b.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
check_metadata("b.pdf", 1, 1);
unlink "b.pdf";
$td->runtest("encrypt with aes and cleartext metadata",
{$td->COMMAND =>
"qpdf --encrypt '' '' 128" .
" --cleartext-metadata --use-aes=y -- a.pdf b.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
check_metadata("b.pdf", 1, 1);
}
}
show_ntests();
# ----------
$td->notify("--- Linearization Tests ---");
# $n_tests incremented after initialization of @linearized_files and
# @to_linearize.
# *'ed files were linearized with Pdlin.
my @linearized_files =
('lin0', # not linearized
'lin1', # * outlines, page labels, pdlin
'lin2', # * lin1 with null and newline
'lin3', # same file saved with acrobat
'lin4', # * lin1 with no /PageMode
'lin5', # lin3 with embedded thumbnails
'lin6', # * lin5 with pdlin
'lin7', # lin5 with /PageMode /UseThumbs
'lin8', # * lin7 with pdlin
'lin9', # * shared objects, indirect null
'badlin1', # parameter dictionary errors
);
my @to_linearize =
('lin-special', # lots of weird cases -- see file comments
'delete-and-reuse', # deleted, reused objects
'lin-delete-and-reuse', # linearized, then delete and reuse
'object-stream', # contains object streams
'hybrid-xref', # contains both xref tables and streams
@linearized_files, # we should be able to relinearize
);
$n_tests += @linearized_files + 6;
$n_tests += (3 * @to_linearize * 5) + 6;
foreach my $base (@linearized_files)
{
$td->runtest("dump linearization: $base",
{$td->COMMAND => "qpdf --show-linearization $base.pdf"},
{$td->FILE => "$base.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
# Check normal modified and linearized modified files, making sure
# that their qdf files are identical. The next two tests have the
# same expected output files and different input files.
check_pdf("modified",
"qpdf --static-id --qdf --no-original-object-ids" .
" delete-and-reuse.pdf", "delete-and-reuse.qdf",
0);
check_pdf("linearized and modified",
"qpdf --static-id --qdf --no-original-object-ids" .
" lin-delete-and-reuse.pdf", "delete-and-reuse.qdf", # same output
0);
$td->runtest("check linearized and modified",
{$td->COMMAND => "qpdf --check lin-delete-and-reuse.pdf"},
{$td->FILE => "lin-delete-and-reuse-check.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check multiple modifications",
{$td->COMMAND => "qpdf --check multiple-mods.pdf"},
{$td->FILE => "multiple-mods-check.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
foreach my $base (@to_linearize)
{
foreach my $omode (qw(disable preserve generate))
{
my $oarg = "-object-streams=$omode";
$td->runtest("linearize $base ($omode)",
{$td->COMMAND =>
"qpdf -linearize $oarg --static-id $base.pdf a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("check linearization",
{$td->COMMAND => "qpdf --check-linearization a.pdf"},
{$td->STRING => "a.pdf: no linearization errors\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# Relinearizing twice should produce identical results. We
# have to do it twice because, if objects changed ordering
# during the original linearization, the hint tables won't
# exactly match. This is because object identifiers are
# inserted into the hint table in their original order since
# we don't yet have renumbering information when we compute
# the table values.
$td->runtest("relinearize $base 1",
{$td->COMMAND =>
"qpdf -linearize --static-id a.pdf b.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("relinearize $base 2",
{$td->COMMAND =>
"qpdf -linearize --static-id b.pdf c.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("compare files ($omode)",
{$td->FILE => "b.pdf"},
{$td->FILE => "c.pdf"});
if (($base eq 'lin-special') || ($base eq 'object-stream'))
{
$td->runtest("check $base ($omode)",
{$td->FILE => "a.pdf"},
{$td->FILE => "$base.$omode.exp"});
}
}
}
show_ntests();
# ----------
$td->notify("--- Encryption Tests ---");
# $n_tests incremented below
# The enc-file.pdf files were encrypted using Acrobat 5.0, not the
# qpdf library. The files are decrypted using qpdf, then re-encrypted
# using qpdf with specific flags. The /P value is checked. The
# resulting files were saved and manually checked with Acrobat 5.0 to
# ensure that the security settings were as intended.
# Values: basename, password, encryption flags, /P Encrypt key,
# extract-for-accessibility, extract-for-any-purpose,
# print-low-res, print-high-res, modify-assembly, modify-forms,
# modify-annotate, modify-other, modify-all
my @encrypted_files =
(['base', ''],
['R3,V2', '',
'-accessibility=n -extract=n -print=full -modify=all', -532,
0, 0, 1, 1, 1, 1, 1, 1, 1],
['R3,V2,U=view', 'view',
'-accessibility=y -extract=n -print=none -modify=none', -3392,
1, 0, 0, 0, 0, 0, 0, 0, 0],
['R3,V2,O=master', 'master',
'-accessibility=n -extract=y -print=none -modify=annotate', -2576,
0, 1, 0, 0, 1, 1, 1, 0, 0],
['R3,V2,O=master', '',
'-accessibility=n -extract=n -print=none -modify=form', -2624,
0, 0, 0, 0, 1, 1, 0, 0, 0],
['R3,V2,U=view,O=master', 'view',
'-accessibility=n -extract=n -print=none -modify=assembly', -2880,
0, 0, 0, 0, 1, 0, 0, 0, 0],
['R3,V2,U=view,O=master', 'master',
'-accessibility=n -print=low', -2564,
0, 1, 1, 0, 1, 1, 1, 1, 1],
['R2,V1', '',
'-print=n -modify=n -extract=n -annotate=n', -64,
0, 0, 0, 0, 0, 0, 0, 0, 0],
['R2,V1,U=view', 'view',
'-print=y -modify=n -extract=n -annotate=n', -60,
0, 0, 1, 1, 0, 0, 0, 0, 0],
['R2,V1,O=master', 'master',
'-print=n -modify=y -extract=n -annotate=n', -56,
0, 0, 0, 0, 1, 0, 0, 1, 0],
['R2,V1,O=master', '',
'-print=n -modify=n -extract=y -annotate=n', -48,
1, 1, 0, 0, 0, 0, 0, 0, 0],
['R2,V1,U=view,O=master', 'view',
'-print=n -modify=n -extract=n -annotate=y', -32,
0, 0, 0, 0, 0, 1, 1, 0, 0],
['R2,V1,U=view,O=master', 'master',
'', -4,
1, 1, 1, 1, 1, 1, 1, 1, 1],
['long-password', 'asdf asdf asdf asdf asdf asdf qwer'],
['long-password', 'asdf asdf asdf asdf asdf asdf qw']);
$n_tests += 3 + (2 * (@encrypted_files)) + (6 * (@encrypted_files - 3)) + 9;
$td->runtest("encrypted file",
{$td->COMMAND => "test_driver 2 U25A0.pdf"},
{$td->FILE => "encrypted1.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("preserve encryption",
{$td->COMMAND => "qpdf U25A0.pdf U25A0.enc"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("recheck encrypted file",
{$td->COMMAND => "test_driver 2 U25A0.enc"},
{$td->FILE => "encrypted1.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
foreach my $d (@encrypted_files)
{
my ($file, $pass, $xeflags, $P,
$accessible, $extract, $printlow, $printhigh,
$modifyassembly, $modifyform, $modifyannot,
$modifyother, $modifyall) = @$d;
my $f = sub { $_[0] ? "allowed" : "not allowed" };
my $enc_details =
"extract for accessibility: " . &$f($accessible) . "\n" .
"extract for any purpose: " . &$f($extract) . "\n" .
"print low resolution: " . &$f($printlow) . "\n" .
"print high resolution: " . &$f($printhigh) . "\n" .
"modify document assembly: " . &$f($modifyassembly) . "\n" .
"modify forms: " . &$f($modifyform) . "\n" .
"modify annotations: " . &$f($modifyannot) . "\n" .
"modify other: " . &$f($modifyother) . "\n" .
"modify anything: " . &$f($modifyall) . "\n";
# Test writing to stdout
$td->runtest("decrypt $file",
{$td->COMMAND =>
"qpdf --static-id -qdf --no-original-object-ids" .
" --password=\"$pass\" enc-$file.pdf -" .
" > $file.enc"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
if ($file eq 'base')
{
$td->runtest("check ID",
{$td->COMMAND => "perl check-ID.pl $file.enc"},
{$td->STRING => "ID okay\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
else
{
$td->runtest("check against base",
{$td->COMMAND => "./diff-encrypted base.enc $file.enc"},
{$td->STRING => "okay\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
if ($file =~ m/^R(\d),V(\d)(?:,U=(\w+))?(?:,O=(\w+))?$/)
{
my $R = $1;
my $V = $2;
my $upass = $3 || "";
my $opass = $4 || "";
my $bits = (($V == 2) ? 128 : 40);
my $eflags = "-encrypt \"$upass\" \"$opass\" $bits $xeflags --";
$td->runtest("encrypt $file",
{$td->COMMAND =>
"qpdf --static-id --no-original-object-ids -qdf" .
" $eflags $file.enc $file.enc2"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("check /P",
{$td->COMMAND =>
"qpdf --show-encryption --password=\"$pass\"" .
" $file.enc2"},
{$td->STRING => "R = $R\nP = $P\n" .
"User password = $upass\n$enc_details",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("decrypt again",
{$td->COMMAND =>
"qpdf --static-id --no-original-object-ids -qdf" .
" --password=\"$pass\"" .
" $file.enc2 $file.enc3"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("compare",
{$td->FILE => "$file.enc"},
{$td->FILE => "$file.enc3"});
$td->runtest("preserve encryption",
{$td->COMMAND =>
"qpdf --static-id --password=\"$pass\"" .
" $file.enc2 $file.enc4"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("check /P",
{$td->COMMAND =>
"qpdf --show-encryption --password=\"$pass\"" .
" $file.enc4"},
{$td->STRING => "R = $R\nP = $P\n" .
"User password = $upass\n$enc_details",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
}
$td->runtest("non-encrypted",
{$td->COMMAND => "qpdf --show-encryption enc-base.pdf"},
{$td->STRING => "File is not encrypted\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("invalid password",
{$td->COMMAND => "qpdf -qdf --password=quack" .
" enc-R2,V1,U=view.pdf a.qdf"},
{$td->STRING => "enc-R2,V1,U=view.pdf: invalid password\n",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
$td->runtest("C API: invalid password",
{$td->COMMAND => "qpdf-ctest 2 enc-R2,V1,U=view.pdf '' a.qdf"},
{$td->FILE => "c-invalid-password.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
my @cenc = (
[11, 'hybrid-xref.pdf', "''", 'r2', ""],
[12, 'hybrid-xref.pdf', "''", 'r3', ""],
[15, 'hybrid-xref.pdf', "''", 'r4', ""],
[13, 'c-r2.pdf', 'user1', 'decrypt with user',
"user password: user1\n"],
[13, 'c-r3.pdf', 'owner2', 'decrypt with owner',
"user password: user2\n"],
);
$n_tests += 2 * @cenc;
foreach my $d (@cenc)
{
my ($n, $infile, $pass, $description, $output) = @$d;
my $outfile = $description;
$outfile =~ s/ /-/g;
$outfile = "c-$outfile.pdf";
$td->runtest("C API encryption: $description",
{$td->COMMAND => "qpdf-ctest $n $infile $pass a.pdf"},
{$td->STRING => $output, $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check $description",
{$td->FILE => "a.pdf"},
{$td->FILE => $outfile});
}
# Test combinations of linearization and encryption. Note that we do
# content checks on encrypted and linearized files in various
# combinations below. Here we are just making sure that they are
# linearized and/or encrypted as desired.
$td->runtest("linearize encrypted file",
{$td->COMMAND => "qpdf --linearize U25A0.pdf a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("check encryption",
{$td->COMMAND => "qpdf --show-encryption a.pdf",
$td->FILTER => "grep -v allowed"},
{$td->STRING => "R = 2\nP = -60\nUser password = \n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check linearization",
{$td->COMMAND => "qpdf --check-linearization a.pdf"},
{$td->STRING => "a.pdf: no linearization errors\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("linearize and encrypt file",
{$td->COMMAND =>
"qpdf --linearize --encrypt user owner 128 --use-aes=y --" .
" lin-special.pdf a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("check encryption",
{$td->COMMAND => "qpdf --show-encryption --password=owner a.pdf",
$td->FILTER => "grep -v allowed"},
{$td->STRING => "R = 4\nP = -4\nUser password = user\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check linearization",
{$td->COMMAND => "qpdf --check-linearization" .
" --password=user a.pdf"},
{$td->STRING => "a.pdf: no linearization errors\n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# Test AES encryption in various ways.
$n_tests += 14;
$td->runtest("encrypt with AES",
{$td->COMMAND => "qpdf --encrypt '' '' 128 --use-aes=y --" .
" enc-base.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("check encryption",
{$td->COMMAND => "qpdf --show-encryption a.pdf",
$td->FILTER => "grep -v allowed"},
{$td->STRING => "R = 4\nP = -4\nUser password = \n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("convert original to qdf",
{$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
" --qdf --min-version=1.6 enc-base.pdf a.qdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("convert encrypted to qdf",
{$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
" --qdf a.pdf b.qdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("compare files",
{$td->FILE => 'a.qdf'},
{$td->FILE => 'b.qdf'});
$td->runtest("linearize with AES and object streams",
{$td->COMMAND => "qpdf --encrypt '' '' 128 --use-aes=y --" .
" --linearize --object-streams=generate enc-base.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("check encryption",
{$td->COMMAND => "qpdf --show-encryption a.pdf",
$td->FILTER => "grep -v allowed"},
{$td->STRING => "R = 4\nP = -4\nUser password = \n",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("linearize original",
{$td->COMMAND => "qpdf --linearize --object-streams=generate" .
" enc-base.pdf b.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("convert linearized original to qdf",
{$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
" --qdf --object-streams=generate --min-version=1.6" .
" b.pdf a.qdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("convert encrypted to qdf",
{$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
" --qdf --object-streams=generate a.pdf b.qdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("compare files",
{$td->FILE => 'a.qdf'},
{$td->FILE => 'b.qdf'});
$td->runtest("force version on aes encrypted",
{$td->COMMAND => "qpdf --force-version=1.4 a.pdf b.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("check",
{$td->COMMAND => "qpdf --check b.pdf"},
{$td->FILE => "aes-forced-check.out",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("make sure there is no xref stream",
{$td->COMMAND => "grep /ObjStm b.pdf | wc -l"},
{$td->REGEXP => "\\s*0\\s*", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
# Look at some actual V4 files
$n_tests += 10;
foreach my $d (['--force-V4', 'V4'],
['--cleartext-metadata', 'V4-clearmeta'],
['--use-aes=y', 'V4-aes'],
['--cleartext-metadata --use-aes=y', 'V4-aes-clearmeta'])
{
my ($args, $out) = @$d;
$td->runtest("encrypt $args",
{$td->COMMAND => "qpdf --static-aes-iv --static-id" .
" --encrypt '' '' 128 $args -- enc-base.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => "$out.pdf"});
}
# Crypt Filter
$td->runtest("decrypt with crypt filter",
{$td->COMMAND => "qpdf --decrypt --static-id" .
" metadata-crypt-filter.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("check output",
{$td->FILE => 'a.pdf'},
{$td->FILE => 'decrypted-crypt-filter.pdf'});
show_ntests();
# ----------
$td->notify("--- Content Preservation Tests ---");
# $n_tests incremented below
my @files = ("U25A0.pdf", # encrypted
"inline-images.pdf",
"lin-special.pdf",
"object-stream.pdf",
"hybrid-xref.pdf");
my @flags = (["-qdf", # 1
"qdf"],
["-qdf --normalize-content=n", # 2
"qdf not normalized"],
["-qdf --stream-data=preserve", # 3
"qdf not uncompressed"],
["-qdf --stream-data=preserve --normalize-content=n", # 4
"qdf not normalized or uncompressed"],
["--stream-data=uncompress", # 5
"uncompresed"],
["--normalize-content=y", # 6
"normalized"],
["--stream-data=uncompress --normalize-content=y", # 7
"uncompressed and normalized"],
["-decrypt", # 8
"decrypted"],
["-linearize", # 9
"linearized"],
["-encrypt \"\" owner 128 --", # 10
"encrypted"],
["-linearize -encrypt \"\" o 128 --", # 11
"linearized and encrypted"],
["", # 12
"no arguments"],
);
$n_tests += 1 + (@files * @flags * 2 * 3);
$n_compare_pdfs += 1 + (@files * @flags * 2);
$n_acroread += (@files * @flags * 2);
foreach my $file (@files)
{
my $base = basename($file, '.pdf');
foreach my $o (qw(disable generate))
{
my $n = 0;
my $oflags = "--object-streams=$o";
my $odescrip = "os:" . substr($o, 0, 1);
my $osuf = ($o eq 'generate' ? "-ogen" : "");
foreach my $d (@flags)
{
my ($flags, $fdescrip) = @$d;
++$n;
system("rm -f *.pnm");
$td->runtest("$file ($odescrip $fdescrip)",
{$td->COMMAND => "qpdf $flags $oflags $file a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
$td->runtest("check status",
{$td->COMMAND => "qpdf --check a.pdf"},
{$td->FILE => "$base.$n$osuf.check",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check with C API",
{$td->COMMAND => [qw(qpdf-ctest 1 a.pdf), "", ""]},
{$td->FILE => "$base.$n$osuf.c-check",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
compare_pdfs($file, "a.pdf");
if ($have_acroread)
{
# These tests require Adobe Reader > 7.x to work with
# encrypted files.
$td->runtest("check with Adobe Reader",
{$td->COMMAND =>
"acroread -toPostScript -pairs a.pdf 1.ps"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
}
}
flush_tiff_cache();
}
}
# inline-images-cr.pdf is xbkm938-dies.pdf from PDF collection
$td->runtest("convert inline-images-cr to qdf",
{$td->COMMAND => "qpdf --static-id --no-original-object-ids" .
" --qdf inline-images-cr.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
compare_pdfs("inline-images-cr.pdf", "a.pdf");
show_ntests();
# ----------
$td->notify("--- fix-qdf Tests ---");
$n_tests += 4;
for (my $n = 1; $n <= 2; ++$n)
{
$td->runtest("fix-qdf $n",
{$td->COMMAND => "fix-qdf fix$n.qdf"},
{$td->FILE => "fix$n.qdf.out",
$td->EXIT_STATUS => 0});
$td->runtest("identity fix-qdf $n",
{$td->COMMAND => "fix-qdf fix$n.qdf.out"},
{$td->FILE => "fix$n.qdf.out",
$td->EXIT_STATUS => 0});
}
show_ntests();
# ----------
cleanup();
# See comments at beginning about calculation of number of tests. We
# do it strictly based on static values, not as a by-product of
# running the test suite.
$td->report(calc_ntests());
sub calc_ntests
{
my $result = $n_tests;
if ($have_acroread)
{
$result += $n_acroread;
}
if ($compare_images)
{
$result += 3 * ($n_compare_pdfs);
}
$result;
}
sub show_ntests
{
if (0)
{
$td->emphasize("tests so far: ". calc_ntests());
}
}
sub check_pdf
{
my ($description, $command, $output, $status) = @_;
unlink "a.pdf";
$td->runtest($description,
{$td->COMMAND => "$command a.pdf"},
{$td->STRING => "",
$td->EXIT_STATUS => $status});
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => $output});
}
sub flush_tiff_cache
{
system("rm -rf tiff-cache");
}
sub compare_pdfs
{
return unless $compare_images;
my ($f1, $f2, $exp) = @_;
$exp = 0 unless defined $exp;
system("rm -rf tif1 tif2");
mkdir "tiff-cache", 0777 unless -d "tiff-cache";
my $md5_1 = get_md5_checksum($f1);
my $md5_2 = get_md5_checksum($f2);
mkdir "tif1", 0777 or die;
mkdir "tif2", 0777 or die;
if (-f "tiff-cache/$md5_1.tif")
{
$td->runtest("get cached original file image",
{$td->COMMAND => "cp tiff-cache/$md5_1.tif tif1/a.tif"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
}
else
{
$td->runtest("convert original file to image",
{$td->COMMAND =>
"(cd tif1;" .
" gs -q -dNOPAUSE -sDEVICE=tiff12nc" .
" -sOutputFile=a.tif - < ../$f1)"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
copy("tif1/a.tif", "tiff-cache/$md5_1.tif");
}
if (-f "tiff-cache/$md5_2.tif")
{
$td->runtest("get cached new file image",
{$td->COMMAND => "cp tiff-cache/$md5_2.tif tif2/a.tif"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
}
else
{
$td->runtest("convert new file to image",
{$td->COMMAND =>
"(cd tif2;" .
" gs -q -dNOPAUSE -sDEVICE=tiff12nc" .
" -sOutputFile=a.tif - < ../$f2)"},
{$td->STRING => "",
$td->EXIT_STATUS => 0});
copy("tif2/a.tif", "tiff-cache/$md5_2.tif");
}
$td->runtest("compare images",
{$td->COMMAND => "tiffcmp -t tif1/a.tif tif2/a.tif"},
{$td->REGEXP => ".*",
$td->EXIT_STATUS => $exp});
system("rm -rf tif1 tif2");
}
sub check_metadata
{
my ($file, $exp_encrypted, $exp_cleartext) = @_;
my $out = "encrypted=$exp_encrypted; cleartext=$exp_cleartext\n" .
"test 6 done\n";
$td->runtest("check metadata: $file",
{$td->COMMAND => "test_driver 6 $file"},
{$td->STRING => $out, $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
sub get_md5_checksum
{
my $file = shift;
open(F, "<$file") or fatal("can't open $file: $!");
binmode F;
my $digest = Digest::MD5->new->addfile(*F)->hexdigest;
close(F);
$digest;
}
sub cleanup
{
system("rm -rf *.ps *.pnm a.pdf a.qdf b.pdf b.qdf c.pdf" .
" *.enc* tif1 tif2 tiff-cache");
}
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