xref: /openbsd-src/gnu/usr.bin/perl/cpan/Compress-Raw-Zlib/t/19nonpv.t (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c) 
1BEGIN {
2    if ($ENV{PERL_CORE}) {
3	chdir 't' if -d 't';
4	@INC = ("../lib", "lib/compress");
5    }
6}
7
8use lib qw(t t/compress);
9use strict;
10use warnings;
11
12use Test::More ;
13use CompTestUtils;
14
15BEGIN
16{
17    # use Test::NoWarnings, if available
18    my $extra = 0 ;
19    $extra = 1
20        if eval { require Test::NoWarnings ;  import Test::NoWarnings; 1 };
21
22    plan tests => 38 + $extra ;
23
24    use_ok('Compress::Raw::Zlib', 2) ;
25}
26
27
28
29my $hello = <<EOM ;
30hello world
31this is a test
32EOM
33
34my $len   = length $hello ;
35
36# Check zlib_version and ZLIB_VERSION are the same.
37SKIP: {
38    skip "TEST_SKIP_VERSION_CHECK is set", 1
39        if $ENV{TEST_SKIP_VERSION_CHECK};
40    is Compress::Raw::Zlib::zlib_version, ZLIB_VERSION,
41        "ZLIB_VERSION matches Compress::Raw::Zlib::zlib_version" ;
42}
43
44
45{
46    title 'non-PV dictionary';
47    # ==============================
48
49    my $dictionary = *hello ;
50
51    ok my $x = new Compress::Raw::Zlib::Deflate({-Level => Z_BEST_COMPRESSION,
52			     -Dictionary => $dictionary}) ;
53
54    my $dictID = $x->dict_adler() ;
55
56    my ($X, $Y, $Z);
57    cmp_ok $x->deflate($hello, $X), '==', Z_OK;
58    cmp_ok $x->flush($Y), '==', Z_OK;
59    $X .= $Y ;
60
61    ok my $k = new Compress::Raw::Zlib::Inflate(-Dictionary => $dictionary) ;
62
63    cmp_ok $k->inflate($X, $Z), '==', Z_STREAM_END;
64    is $k->dict_adler(), $dictID;
65    is $hello, $Z ;
66
67}
68
69{
70
71    title  "deflate/inflate - non-PV buffers";
72    # ==============================
73
74    my $hello = *hello ;
75    my ($err, $x, $X, $status);
76
77    ok( ($x, $err) = new Compress::Raw::Zlib::Deflate, "Create deflate object" );
78    ok $x, "Compress::Raw::Zlib::Deflate ok" ;
79    cmp_ok $err, '==', Z_OK, "status is Z_OK" ;
80
81    ok ! defined $x->msg() ;
82    is $x->total_in(), 0, "total_in() == 0" ;
83    is $x->total_out(), 0, "total_out() == 0" ;
84
85    $X = *X;
86    my $Answer = '';
87    $status = $x->deflate($hello, $X) ;
88    $Answer .= $X ;
89
90    cmp_ok $status, '==', Z_OK, "deflate returned Z_OK" ;
91
92    $X = *X;
93    cmp_ok  $x->flush($X), '==', Z_OK, "flush returned Z_OK" ;
94    $Answer .= $X ;
95
96    ok ! defined $x->msg()  ;
97    is $x->total_in(), length $hello, "total_in ok" ;
98    is $x->total_out(), length $Answer, "total_out ok" ;
99
100    my $k;
101    ok(($k, $err) = new Compress::Raw::Zlib::Inflate);
102    ok $k, "Compress::Raw::Zlib::Inflate ok" ;
103    cmp_ok $err, '==', Z_OK, "status is Z_OK" ;
104
105    ok ! defined $k->msg(), "No error messages" ;
106    is $k->total_in(), 0, "total_in() == 0" ;
107    is $k->total_out(), 0, "total_out() == 0" ;
108    my $GOT = '';
109    my $Z;
110    $Z = *Z;
111    my $Alen = length $Answer;
112    $status = $k->inflate($Answer, $Z) ;
113    $GOT .= $Z ;
114
115    cmp_ok $status, '==', Z_STREAM_END, "Got Z_STREAM_END" ;
116    is $GOT, $hello, "uncompressed data matches ok" ;
117    ok ! defined $k->msg(), "No error messages" ;
118    is $k->total_in(), $Alen, "total_in ok" ;
119    is $k->total_out(), length $hello , "total_out ok";
120
121
122    ok(($k, $err) = new Compress::Raw::Zlib::Inflate);
123    ok $k, "Compress::Raw::Zlib::Inflate ok" ;
124    cmp_ok $err, '==', Z_OK, "status is Z_OK" ;
125
126    $Z = *Z;
127    $status = $k->inflate($hello, $Z);
128    is $Z, "", 'inflating *hello does not crash';
129
130    $hello = *hello;
131    $status = $k->inflateSync($hello);
132    cmp_ok $status, "!=", Z_OK,
133       "inflateSync on *hello returns error (and does not crash)";
134}
135
136