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BEGIN {
if ($ENV{PERL_CORE}) {
chdir 't' if -d 't';
@INC = ("../lib", "lib/compress");
}
}
use lib qw(t t/compress);
use strict;
use warnings;
use Test::More ;
use CompTestUtils;
BEGIN
{
# use Test::NoWarnings, if available
my $extra = 0 ;
$extra = 1
if eval { require Test::NoWarnings ; import Test::NoWarnings; 1 };
plan tests => 38 + $extra ;
use_ok('Compress::Raw::Zlib', 2) ;
}
my $hello = <<EOM ;
hello world
this is a test
EOM
my $len = length $hello ;
# Check zlib_version and ZLIB_VERSION are the same.
SKIP: {
skip "TEST_SKIP_VERSION_CHECK is set", 1
if $ENV{TEST_SKIP_VERSION_CHECK};
is Compress::Raw::Zlib::zlib_version, ZLIB_VERSION,
"ZLIB_VERSION matches Compress::Raw::Zlib::zlib_version" ;
}
{
title 'non-PV dictionary';
# ==============================
my $dictionary = *hello ;
ok my $x = new Compress::Raw::Zlib::Deflate({-Level => Z_BEST_COMPRESSION,
-Dictionary => $dictionary}) ;
my $dictID = $x->dict_adler() ;
my ($X, $Y, $Z);
cmp_ok $x->deflate($hello, $X), '==', Z_OK;
cmp_ok $x->flush($Y), '==', Z_OK;
$X .= $Y ;
ok my $k = new Compress::Raw::Zlib::Inflate(-Dictionary => $dictionary) ;
cmp_ok $k->inflate($X, $Z), '==', Z_STREAM_END;
is $k->dict_adler(), $dictID;
is $hello, $Z ;
}
{
title "deflate/inflate - non-PV buffers";
# ==============================
my $hello = *hello ;
my ($err, $x, $X, $status);
ok( ($x, $err) = new Compress::Raw::Zlib::Deflate, "Create deflate object" );
ok $x, "Compress::Raw::Zlib::Deflate ok" ;
cmp_ok $err, '==', Z_OK, "status is Z_OK" ;
ok ! defined $x->msg() ;
is $x->total_in(), 0, "total_in() == 0" ;
is $x->total_out(), 0, "total_out() == 0" ;
$X = *X;
my $Answer = '';
$status = $x->deflate($hello, $X) ;
$Answer .= $X ;
cmp_ok $status, '==', Z_OK, "deflate returned Z_OK" ;
$X = *X;
cmp_ok $x->flush($X), '==', Z_OK, "flush returned Z_OK" ;
$Answer .= $X ;
ok ! defined $x->msg() ;
is $x->total_in(), length $hello, "total_in ok" ;
is $x->total_out(), length $Answer, "total_out ok" ;
my $k;
ok(($k, $err) = new Compress::Raw::Zlib::Inflate);
ok $k, "Compress::Raw::Zlib::Inflate ok" ;
cmp_ok $err, '==', Z_OK, "status is Z_OK" ;
ok ! defined $k->msg(), "No error messages" ;
is $k->total_in(), 0, "total_in() == 0" ;
is $k->total_out(), 0, "total_out() == 0" ;
my $GOT = '';
my $Z;
$Z = *Z;
my $Alen = length $Answer;
$status = $k->inflate($Answer, $Z) ;
$GOT .= $Z ;
cmp_ok $status, '==', Z_STREAM_END, "Got Z_STREAM_END" ;
is $GOT, $hello, "uncompressed data matches ok" ;
ok ! defined $k->msg(), "No error messages" ;
is $k->total_in(), $Alen, "total_in ok" ;
is $k->total_out(), length $hello , "total_out ok";
ok(($k, $err) = new Compress::Raw::Zlib::Inflate);
ok $k, "Compress::Raw::Zlib::Inflate ok" ;
cmp_ok $err, '==', Z_OK, "status is Z_OK" ;
$Z = *Z;
$status = $k->inflate($hello, $Z);
is $Z, "", 'inflating *hello does not crash';
$hello = *hello;
$status = $k->inflateSync($hello);
cmp_ok $status, "!=", Z_OK,
"inflateSync on *hello returns error (and does not crash)";
}
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