zf.test
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#!/usr/bin/env perl
require 5.008;
BEGIN { $^W = 1; }
use strict;
require TestDriver;
my $td = new TestDriver('zlib-flate');
cleanup();
open(F, "<1.uncompressed") or die;
undef $/;
my $unc = <F>;
close(F);
open(F, ">a.uncompressed") or die;
for (my $i = 0; $i < 100; $i++)
{
print F $unc;
}
close(F);
my $dev_null = File::Spec->devnull();
my $n_tests = 9;
foreach my $level ('', '=1', '=9')
{
my $f = $level;
$f =~ s/=/-/;
$td->runtest("compress",
{$td->COMMAND =>
"zlib-flate -compress$level < a.uncompressed > a.$level"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("uncompress",
{$td->COMMAND => "zlib-flate -uncompress < a.$level"},
{$td->FILE => "a.uncompressed", $td->EXIT_STATUS => 0});
}
chomp(my $zopfli = `zlib-flate --_zopfli`);
my $size1 = (stat("a.=1"))[7];
my $size9 = (stat("a.=9"))[7];
if ($zopfli =~ m/1$/) {
$td->runtest("compression level is ignored with zopfli",
{$td->STRING => ($size9 == $size1 ? "YES\n" : "$size9 $size1\n")},
{$td->STRING => "YES\n"});
} else {
$td->runtest("higher compression is smaller",
{$td->STRING => ($size9 < $size1 ? "YES\n" : "$size9 $size1\n")},
{$td->STRING => "YES\n"});
}
$td->runtest("error",
{$td->COMMAND => "zlib-flate -uncompress < 1.uncompressed"},
{$td->REGEXP => "flate: inflate: data: .*\n",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
$td->runtest("corrupted input",
{$td->COMMAND => "zlib-flate -uncompress < missing-z-finish.in"},
{$td->REGEXP =>
"input stream is complete but output may still be valid",
$td->EXIT_STATUS => 3},
$td->NORMALIZE_NEWLINES);
# Exercise different values of the QPDF_ZOPFLI variable
if ($zopfli =~ m/^0/) {
$n_tests += 4;
$td->runtest("disabled",
{$td->COMMAND => "QPDF_ZOPFLI=disabled zlib-flate --_zopfli"},
{$td->STRING => "00\n", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("force",
{$td->COMMAND => "QPDF_ZOPFLI=force zlib-flate -compress < a.uncompressed"},
{$td->REGEXP => "QPDF_ZOPFLI=force, and zopfli support is not enabled",
$td->EXIT_STATUS => 2},
$td->NORMALIZE_NEWLINES);
$td->runtest("silent",
{$td->COMMAND => "QPDF_ZOPFLI=silent zlib-flate -compress < a.uncompressed > $dev_null"},
{$td->STRING => "", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("other",
{$td->COMMAND => "QPDF_ZOPFLI=other zlib-flate -compress < a.uncompressed > $dev_null"},
{$td->REGEXP => "QPDF_ZOPFLI is set, but libqpdf was not built with zopfli support",
$td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
} else {
$n_tests += 2;
$td->runtest("disabled",
{$td->COMMAND => "QPDF_ZOPFLI=disabled zlib-flate --_zopfli"},
{$td->STRING => "10\n", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("force",
{$td->COMMAND => "QPDF_ZOPFLI=force zlib-flate --_zopfli"},
{$td->STRING => "11\n", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
}
$td->report($n_tests);
cleanup();
sub cleanup
{
system("rm -f a.*");
}