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 bytes;

use Test::More ;

use CompTestUtils;

BEGIN 

{ 

    plan skip_all => "Lengthy Tests Disabled\n" .

                     "set COMPRESS_ZLIB_RUN_ALL or COMPRESS_ZLIB_RUN_MOST to run this test suite"

        unless defined $ENV{COMPRESS_ZLIB_RUN_ALL} or defined $ENV{COMPRESS_ZLIB_RUN_MOST};

    # use Test::NoWarnings, if available

    my $extra = 0 ;

    $extra = 1

        if eval { require Test::NoWarnings ;  import Test::NoWarnings; 1 };

    plan tests => 288 + $extra ;

    use_ok('Compress::Raw::Zlib', 2) ; 

}

my $hello = <

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" ;

}

for my $i (1 .. 13)

{

    print "#\n#Length $i\n#\n";

    my $hello = "I am a HAL 9000 computer" x 2001;

    my $tmp = $hello ;

    my @hello = ();

    push @hello, $1 

	while $tmp =~ s/^(.{$i})//;

    push @hello, $tmp if length $tmp ;

    my ($err, $x, $X, $status); 

    ok( ($x, $err) = new Compress::Raw::Zlib::Deflate (-AppendOutput => 1));

    ok $x ;

    cmp_ok $err, '==', Z_OK, "  status is Z_OK" ;

    ok ! defined $x->msg(), "  no msg" ;

    is $x->total_in(), 0, "  total_in == 0" ;

    is $x->total_out(), 0, "  total_out == 0" ;

    my $out ;

    foreach (@hello)

    {

        $status = $x->deflate($_, $out) ;

        last unless $status == Z_OK ;

    }

    cmp_ok $status, '==', Z_OK, "  status is Z_OK" ;

    cmp_ok $x->flush($out), '==', Z_OK, "  flush returned Z_OK" ;

    ok ! defined $x->msg(), "  no msg"  ;

    is $x->total_in(), length $hello, "  length total_in" ;

    is $x->total_out(), length $out, "  length total_out" ;

    my @Answer = ();

    $tmp = $out;

    push @Answer, $1 while $tmp =~ s/^(.{$i})//;

    push @Answer, $tmp if length $tmp ;

    my $k;

    ok(($k, $err) = new Compress::Raw::Zlib::Inflate( -AppendOutput => 1));

    ok $k ;

    cmp_ok $err, '==', Z_OK, "  status is Z_OK" ;

    ok ! defined $k->msg(), "  no msg" ;

    is $k->total_in(), 0, "  total_in == 0" ;

    is $k->total_out(), 0, "  total_out == 0" ;

    my $GOT = '';

    my $Z;

    $Z = 1 ;#x 2000 ;

    foreach (@Answer)

    {

        $status = $k->inflate($_, $GOT) ;

        last if $status == Z_STREAM_END or $status != Z_OK ;

    }

    cmp_ok $status, '==', Z_STREAM_END, "  status is Z_STREAM_END" ;

    is $GOT, $hello, "  got expected output" ;

    ok ! defined $k->msg(), "  no msg" ;

    is $k->total_in(), length $out, "  length total_in ok" ;

    is $k->total_out(), length $hello, "  length total_out ok" ;

}