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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 ;
BEGIN {
# use Test::NoWarnings, if available
my $extra = 0 ;
$extra = 1
if eval { require Test::NoWarnings ; import Test::NoWarnings; 1 };
plan tests => 625 + $extra;
};
use IO::Compress::RawDeflate qw($RawDeflateError) ;
use IO::Uncompress::RawInflate qw($RawInflateError) ;
#sub identify
#{
# 'IO::Compress::RawDeflate';
#}
#
#require "truncate.pl" ;
#run();
use CompTestUtils;
my $hello = <<EOM ;
hello world
this is a test
some more stuff on this line
ad finally...
EOM
my $blocksize = 10 ;
foreach my $CompressClass ( 'IO::Compress::RawDeflate')
{
my $UncompressClass = getInverse($CompressClass);
my $Error = getErrorRef($UncompressClass);
my $compressed ;
ok( my $x = new IO::Compress::RawDeflate \$compressed);
ok $x->write($hello) ;
ok $x->close ;
my $cc = $compressed ;
my $gz ;
ok($gz = new $UncompressClass(\$cc,
-Transparent => 0))
or diag "$$Error\n";
my $un;
is $gz->read($un, length($hello)), length($hello);
ok $gz->close();
is $un, $hello ;
for my $trans (0 .. 1)
{
title "Testing $CompressClass, Transparent = $trans";
my $info = $gz->getHeaderInfo() ;
my $header_size = $info->{HeaderLength};
my $trailer_size = $info->{TrailerLength};
ok 1, "Compressed size is " . length($compressed) ;
ok 1, "Header size is $header_size" ;
ok 1, "Trailer size is $trailer_size" ;
title "Compressed Data Truncation";
foreach my $i (0 .. $blocksize)
{
my $lex = new LexFile my $name ;
ok 1, "Length $i" ;
my $part = substr($compressed, 0, $i);
writeFile($name, $part);
my $gz = new $UncompressClass $name,
-BlockSize => $blocksize,
-Transparent => $trans;
if ($trans) {
ok $gz;
ok ! $gz->error() ;
my $buff = '';
is $gz->read($buff, length $part), length $part ;
is $buff, $part ;
ok $gz->eof() ;
$gz->close();
}
else {
ok !$gz;
}
}
foreach my $i ($blocksize+1 .. length($compressed)-1)
{
my $lex = new LexFile my $name ;
ok 1, "Length $i" ;
my $part = substr($compressed, 0, $i);
writeFile($name, $part);
ok my $gz = new $UncompressClass $name,
-BlockSize => $blocksize,
-Transparent => $trans;
my $un ;
my $status = 1 ;
$status = $gz->read($un) while $status > 0 ;
ok $status < 0 ;
ok $gz->eof() ;
ok $gz->error() ;
$gz->close();
}
}
}
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