# -*- mode: perl -*-
use Test::More tests => 5;
#use Test::More qw(no_plan);
## uncompress sample3 compressed file from the bzip2 1.0.2 distribution
## compare against bunzip2 command with od -x and diff
## test uncompressing a large file
## - make up a large file by essentially repeating one of the other sample files
BEGIN {
use_ok('Compress::Bzip2');
};
do 't/lib.pl';
my $INFILE = catfile( qw(bzlib-src sample1.ref) );
#( my $MODELFILE = $INFILE ) =~ s/\.bz2$/.ref/;
my $PREFIX = catfile( qw(t 034-tmp) );
my $in;
my $out;
my $dup;
open( $in, $INFILE ) or die;
print STDERR "Running $BZIP -1 > $PREFIX-reference.bz2\n" if $debugf;
my $filecount = 11;
open( $out, "| $BZIP -1 > $PREFIX-reference.bz2" ) or die;
open( $dup, "> $PREFIX-reference.txt" ) or die;
my $MODELFILE = "$PREFIX-reference.txt";
for (my $i=0; $i<$filecount; $i++) {
while ( my $ln = sysread( $in, $buf, 512 ) ) {
syswrite($out, $buf, $ln);
syswrite($dup, $buf, $ln);
}
sysseek($in,0,0);
}
close($in);
close($out);
close($dup);
undef $out;
open( $out, "> $PREFIX-sample.txt" );
my $d = Compress::Bzip2->new( -verbosity => $debugf ? 4 : 0 );
$d->bzopen( "$PREFIX-reference.bz2", "r" );
ok( $d, "open was successful" );
my $counter = 0;
my $bytes = 0;
my $written = 0;
while ( my $read = $d->bzread( $buf, 512 ) ) {
if ( $read < 0 ) {
print STDERR "error: $bytes $Compress::Bzip2::bzerrno\n";
last;
}
$written = syswrite( $out, $buf, $read );
$bytes += $read;
$counter++;
}
ok( $counter, "$counter blocks were read, $bytes bytes" );
my $res = $d->bzclose;
ok( !$res, "file was closed $res $Compress::Bzip2::bzerrno" );
close($out);
ok ( compare_binary_files( "$PREFIX-sample.txt", $MODELFILE ), "no differences with decompressing $INFILE times 11" );