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BEGIN {
if ($ENV{PERL_CORE}) {
chdir 't' if -d 't';
@INC = ("../lib", "lib");
}
}
use lib 't';
use strict;
use warnings;
use bytes;
use Test::More ;
use ZlibTestUtils;
use Compress::Zlib 2 ;
use IO::Compress::Gzip ;
use IO::Uncompress::Gunzip ;
use IO::Compress::Deflate ;
use IO::Uncompress::Inflate ;
use IO::Compress::RawDeflate ;
use IO::Uncompress::RawInflate ;
our ($extra);
BEGIN
{
# use Test::NoWarnings, if available
$extra = 0 ;
$extra = 1
if eval { require Test::NoWarnings ; import Test::NoWarnings; 1 };
}
my $ver = Compress::Zlib::zlib_version();
plan skip_all => "gzsetparams needs zlib 1.0.6 or better. You have $ver\n"
if ZLIB_VERNUM() < 0x1060 ;
plan tests => 51 + $extra ;
# Check zlib_version and ZLIB_VERSION are the same.
is Compress::Zlib::zlib_version, ZLIB_VERSION,
"ZLIB_VERSION matches Compress::Zlib::zlib_version" ;
{
# gzsetparams
title "Testing gzsetparams";
my $hello = "I am a HAL 9000 computer" x 2001 ;
my $len_hello = length $hello ;
my $goodbye = "Will I dream?" x 2010;
my $len_goodbye = length $goodbye;
my ($input, $err, $answer, $X, $status, $Answer);
my $name = "test.gz" ;
unlink $name ;
ok my $x = gzopen($name, "wb");
$input .= $hello;
is $x->gzwrite($hello), $len_hello, "gzwrite returned $len_hello" ;
# Error cases
eval { $x->gzsetparams() };
like $@, mkErr('^Usage: Compress::Zlib::gzFile::gzsetparams\(file, level, strategy\)');
# Change both Level & Strategy
$status = $x->gzsetparams(Z_BEST_SPEED, Z_HUFFMAN_ONLY) ;
cmp_ok $status, '==', Z_OK, "status is Z_OK";
$input .= $goodbye;
is $x->gzwrite($goodbye), $len_goodbye, "gzwrite returned $len_goodbye" ;
ok ! $x->gzclose, "closed" ;
ok my $k = gzopen($name, "rb") ;
# calling gzsetparams on reading is not allowed.
$status = $k->gzsetparams(Z_BEST_SPEED, Z_HUFFMAN_ONLY) ;
cmp_ok $status, '==', Z_STREAM_ERROR, "status is Z_STREAM_ERROR" ;
my $len = length $input ;
my $uncompressed;
is $len, $k->gzread($uncompressed, $len) ;
ok $uncompressed eq $input ;
ok $k->gzeof ;
ok ! $k->gzclose ;
ok $k->gzeof ;
unlink $name;
}
foreach my $CompressClass ('IO::Compress::Gzip',
'IO::Compress::Deflate',
'IO::Compress::RawDeflate',
)
{
my $UncompressClass = getInverse($CompressClass);
title "Testing $CompressClass";
# deflateParams
my $hello = "I am a HAL 9000 computer" x 2001 ;
my $len_hello = length $hello ;
my $goodbye = "Will I dream?" x 2010;
my $len_goodbye = length $goodbye;
#my ($input, $err, $answer, $X, $status, $Answer);
my $compressed;
ok my $x = new $CompressClass(\$compressed) ;
my $input .= $hello;
is $x->write($hello), $len_hello ;
# Change both Level & Strategy
ok $x->deflateParams(Z_BEST_SPEED, Z_HUFFMAN_ONLY);
$input .= $goodbye;
is $x->write($goodbye), $len_goodbye ;
ok $x->close ;
ok my $k = new $UncompressClass(\$compressed);
my $len = length $input ;
my $uncompressed;
is $k->read($uncompressed, $len), $len
or diag "$IO::Uncompress::Gunzip::GunzipError" ;
ok $uncompressed eq $input ;
ok $k->eof ;
ok $k->close ;
ok $k->eof ;
}
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