[p5sagit/p5-mst-13.2.git] / ext / Compress / Zlib / t / 22merge.t

BEGIN {
    if ($ENV{PERL_CORE} {
	chdir 't' if -d 't';
	@INC = '../lib';
    }
}

use lib 't';
use strict;
use warnings;
use bytes;

use Test::More ; 
use ZlibTestUtils;

our ($extra);
use Compress::Zlib 2 ;

use IO::Compress::Gzip qw($GzipError);
use IO::Uncompress::Gunzip qw($GunzipError);

use IO::Compress::Deflate qw($DeflateError);
use IO::Uncompress::Inflate qw($InflateError);

use IO::Compress::RawDeflate qw($RawDeflateError);
use IO::Uncompress::RawInflate qw($RawInflateError);


BEGIN 
{ 
    plan(skip_all => "Merge needs Zlib 1.2.1 or better - you have Zlib "  
                . Compress::Zlib::zlib_version()) 
        if ZLIB_VERNUM() < 0x1210 ;

    # use Test::NoWarnings, if available
    $extra = 0 ;
    $extra = 1
        if eval { require Test::NoWarnings ;  import Test::NoWarnings; 1 };

    plan tests => 490 + $extra ;

}


# Check zlib_version and ZLIB_VERSION are the same.
is Compress::Zlib::zlib_version, ZLIB_VERSION, 
    "ZLIB_VERSION matches Compress::Zlib::zlib_version" ;

# Tests     
#   destination is a file that doesn't exist -- should work ok unless AnyDeflate
#   destination isn't compressed at all
#   destination is compressed but wrong format
#   destination is corrupt - error messages should be correct
#   use apend mode with old zlib - check that this is trapped
#   destination is not seekable, readable, writable - test for filename & handle

{
    title "Misc error cases";

    eval { new Compress::Zlib::InflateScan Bufsize => 0} ;
    like $@, mkErr("^Compress::Zlib::InflateScan::new: Bufsize must be >= 1, you specified 0"), "  catch bufsize == 0";

    eval { Compress::Zlib::inflateScanStream::createDeflateStream(undef, Bufsize => 0) } ;
    like $@, mkErr("^Compress::Zlib::InflateScan::createDeflateStream: Bufsize must be >= 1, you specified 0"), "  catch bufsize == 0";

}

# output file/handle not writable
foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
{

    my $Error = getErrorRef($CompressClass);

    foreach my $to_file (0,1)
    {
        if ($to_file)
          { title "$CompressClass - Merge to filename that isn't writable" }
        else  
          { title "$CompressClass - Merge to filehandle that isn't writable" }

        my $out_file = 'abcde.out';
        my $lex = new LexFile($out_file) ;

        # create empty file
        open F, ">$out_file" ; print F "x"; close F;
        ok   -e $out_file, "  file exists" ;
        ok  !-z $out_file, "  and is not empty" ;
        
        # make unwritable
        is chmod(0444, $out_file), 1, "  chmod worked" ;
        ok   -e $out_file, "  still exists after chmod" ;

        SKIP:
        {
            skip "Cannot create non-writable file", 3 
                if -w $out_file ;

            ok ! -w $out_file, "  chmod made file unwritable" ;

            my $dest ;
            if ($to_file)
              { $dest = $out_file }
            else
              { $dest = new IO::File "<$out_file"  }

            my $gz = $CompressClass->new($dest, Merge => 1) ;
            
            ok ! $gz, "  Did not create $CompressClass object";

            {
                if ($to_file) {
                    is $$Error, "Output file '$out_file' is not writable",
                            "  Got non-writable filename message" ;
                }
                else {
                    is $$Error, "Output filehandle is not writable",
                            "  Got non-writable filehandle message" ;
                }
            }
        }

        chmod 0777, $out_file ;
    }
}

# output is not compressed at all
foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
{

    my $Error = getErrorRef($CompressClass);

    my $out_file = 'abcde.out';
    my $lex = new LexFile($out_file) ;

    foreach my $to_file ( qw(buffer file handle ) )
    {
        title "$CompressClass to $to_file, content is not compressed";

        my $content = "abc" x 300 ;
        my $buffer ;
        my $disp_content = defined $content ? $content : '<undef>' ;
        my $str_content = defined $content ? $content : '' ;

        if ($to_file eq 'buffer')
        {
            $buffer = \$content ;
        }
        else
        {
            writeFile($out_file, $content);

            if ($to_file eq 'handle')
            {
                $buffer = new IO::File "+<$out_file" 
                    or die "# Cannot open $out_file: $!";
            }
            else
              { $buffer = $out_file }
        }

        ok ! $CompressClass->new($buffer, Merge => 1), "  constructor fails";
        {
            like $$Error, '/Cannot create InflateScan object: (Header Error|unexpected end of file)/', "  got Bad Magic" ;
        }

    }
}

# output is empty
foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
{

    my $Error = getErrorRef($CompressClass);

    my $out_file = 'abcde.out';
    my $lex = new LexFile($out_file) ;

    foreach my $to_file ( qw(buffer file handle ) )
    {
        title "$CompressClass to $to_file, content is empty";

        my $content = '';
        my $buffer ;
        my $dest ;

        if ($to_file eq 'buffer')
        {
            $dest = $buffer = \$content ;
        }
        else
        {
            writeFile($out_file, $content);
            $dest = $out_file;

            if ($to_file eq 'handle')
            {
                $buffer = new IO::File "+<$out_file" 
                    or die "# Cannot open $out_file: $!";
            }
            else
              { $buffer = $out_file }
        }

        ok my $gz = $CompressClass->new($buffer, Merge => 1, AutoClose => 1), "  constructor passes";

        $gz->write("FGHI");
        $gz->close();

        #hexDump($buffer);
        my $out = anyUncompress($dest);

        is $out, "FGHI", '  Merge OK';
    }
}

foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
{
    my $Error = getErrorRef($CompressClass);

    title "$CompressClass - Merge to file that doesn't exist";

    my $out_file = 'abcd.out';
    my $lex = new LexFile($out_file) ;
    
    ok ! -e $out_file, "  Destination file, '$out_file', does not exist";

    ok my $gz1 = $CompressClass->new($out_file, Merge => 1)
        or die "# $CompressClass->new failed: $GzipError\n";
    #hexDump($buffer);
    $gz1->write("FGHI");
    $gz1->close();

    #hexDump($buffer);
    my $out = anyUncompress($out_file);

    is $out, "FGHI", '  Merged OK';
}

foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
{
    my $Error = getErrorRef($CompressClass);

    my $out_file = 'abcde.out';
    my $lex = new LexFile($out_file) ;

    foreach my $to_file ( qw( buffer file handle ) )
    {
        foreach my $content (undef, '', 'x', 'abcde')
        {
            #next if ! defined $content && $to_file; 

            my $buffer ;
            my $disp_content = defined $content ? $content : '<undef>' ;
            my $str_content = defined $content ? $content : '' ;

            if ($to_file eq 'buffer')
            {
                my $x ;
                $buffer = \$x ;
                title "$CompressClass to Buffer, content is '$disp_content'";
            }
            else
            {
                $buffer = $out_file ;
                if ($to_file eq 'handle')
                {
                    title "$CompressClass to Filehandle, content is '$disp_content'";
                }
                else
                {
                    title "$CompressClass to File, content is '$disp_content'";
                }
            }

            my $gz = $CompressClass->new($buffer);
            my $len = defined $content ? length($content) : 0 ;
            is $gz->write($content), $len, "  write ok";
            ok $gz->close(), " close ok";

            #hexDump($buffer);
            is anyUncompress($buffer), $str_content, '  Destination is ok';

            #if ($corruption)
            #{
                #    next if $TopTypes eq 'RawDeflate' && $content eq '';
                #
                #}

            my $dest = $buffer ;    
            if ($to_file eq 'handle')
            {
                $dest = new IO::File "+<$buffer" ;
            }

            my $gz1 = $CompressClass->new($dest, Merge => 1, AutoClose => 1)
                or die "## $GzipError\n";
            #print "YYY\n";
            #hexDump($buffer);
            #print "XXX\n";
            is $gz1->write("FGHI"), 4, "  write returned 4";
            ok $gz1->close(), "  close ok";

            #hexDump($buffer);
            my $out = anyUncompress($buffer);

            is $out, $str_content . "FGHI", '  Merged OK';
            #exit;
        }
    }

}


foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
{
    my $Error = getErrorRef($CompressClass);

    my $Func = getTopFuncRef($CompressClass);
    my $TopType = getTopFuncName($CompressClass);

    my $buffer ;

    my $out_file = 'abcde.out';
    my $lex = new LexFile($out_file) ;

    foreach my $to_file (0, 1)
    {
        foreach my $content (undef, '', 'x', 'abcde')
        {
            my $disp_content = defined $content ? $content : '<undef>' ;
            my $str_content = defined $content ? $content : '' ;
            my $buffer ;
            if ($to_file)
            {
                $buffer = $out_file ;
                title "$TopType to File, content is '$disp_content'";
            }
            else
            {
                my $x = '';
                $buffer = \$x ;
                title "$TopType to Buffer, content is '$disp_content'";
            }
            

            ok $Func->(\$content, $buffer), " Compress content";
            #hexDump($buffer);
            is anyUncompress($buffer), $str_content, '  Destination is ok';


            ok $Func->(\"FGHI", $buffer, Merge => 1), "  Merge content";

            #hexDump($buffer);
            my $out = anyUncompress($buffer);

            is $out, $str_content . "FGHI", '  Merged OK';
        }
    }

}
Commit	Line	Data
16816334	1	BEGIN {
	2	if ($ENV{PERL_CORE} {
	3	chdir 't' if -d 't';
	4	@INC = '../lib';
	5	}
	6	}
642e522c	7
	8	use lib 't';
	9	use strict;
	10	use warnings;
	11	use bytes;
	12
	13	use Test::More ;
	14	use ZlibTestUtils;
	15
	16	our ($extra);
	17	use Compress::Zlib 2 ;
	18
	19	use IO::Compress::Gzip qw($GzipError);
	20	use IO::Uncompress::Gunzip qw($GunzipError);
	21
	22	use IO::Compress::Deflate qw($DeflateError);
	23	use IO::Uncompress::Inflate qw($InflateError);
	24
	25	use IO::Compress::RawDeflate qw($RawDeflateError);
	26	use IO::Uncompress::RawInflate qw($RawInflateError);
	27
	28
	29	BEGIN
	30	{
	31	plan(skip_all => "Merge needs Zlib 1.2.1 or better - you have Zlib "
	32	. Compress::Zlib::zlib_version())
	33	if ZLIB_VERNUM() < 0x1210 ;
	34
	35	# use Test::NoWarnings, if available
	36	$extra = 0 ;
	37	$extra = 1
	38	if eval { require Test::NoWarnings ; import Test::NoWarnings; 1 };
	39
	40	plan tests => 490 + $extra ;
	41
	42	}
	43
	44
	45	# Check zlib_version and ZLIB_VERSION are the same.
	46	is Compress::Zlib::zlib_version, ZLIB_VERSION,
	47	"ZLIB_VERSION matches Compress::Zlib::zlib_version" ;
	48
	49	# Tests
	50	# destination is a file that doesn't exist -- should work ok unless AnyDeflate
	51	# destination isn't compressed at all
	52	# destination is compressed but wrong format
	53	# destination is corrupt - error messages should be correct
	54	# use apend mode with old zlib - check that this is trapped
	55	# destination is not seekable, readable, writable - test for filename & handle
	56
	57	{
	58	title "Misc error cases";
	59
	60	eval { new Compress::Zlib::InflateScan Bufsize => 0} ;
	61	like $@, mkErr("^Compress::Zlib::InflateScan::new: Bufsize must be >= 1, you specified 0"), " catch bufsize == 0";
	62
	63	eval { Compress::Zlib::inflateScanStream::createDeflateStream(undef, Bufsize => 0) } ;
	64	like $@, mkErr("^Compress::Zlib::InflateScan::createDeflateStream: Bufsize must be >= 1, you specified 0"), " catch bufsize == 0";
	65
	66	}
	67
	68	# output file/handle not writable
	69	foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
	70	{
71
72	my $Error = getErrorRef($CompressClass);
73
74	foreach my $to_file (0,1)
75	{
76	if ($to_file)
77	{ title "$CompressClass - Merge to filename that isn't writable" }
78	else
79	{ title "$CompressClass - Merge to filehandle that isn't writable" }
80
81	my $out_file = 'abcde.out';
82	my $lex = new LexFile($out_file) ;
83
84	# create empty file
85	open F, ">$out_file" ; print F "x"; close F;
86	ok -e $out_file, " file exists" ;
87	ok !-z $out_file, " and is not empty" ;
88
89	# make unwritable
90	is chmod(0444, $out_file), 1, " chmod worked" ;
91	ok -e $out_file, " still exists after chmod" ;
92
93	SKIP:
94	{
95	skip "Cannot create non-writable file", 3
96	if -w $out_file ;
97
98	ok ! -w $out_file, " chmod made file unwritable" ;
99
100	my $dest ;
101	if ($to_file)
102	{ $dest = $out_file }
103	else
104	{ $dest = new IO::File "<$out_file" }
105
106	my $gz = $CompressClass->new($dest, Merge => 1) ;
107
108	ok ! $gz, " Did not create $CompressClass object";
109
110	{
111	if ($to_file) {
112	is $$Error, "Output file '$out_file' is not writable",
113	" Got non-writable filename message" ;
114	}
115	else {
116	is $$Error, "Output filehandle is not writable",
117	" Got non-writable filehandle message" ;
118	}
119	}
120	}
121
122	chmod 0777, $out_file ;
123	}
124	}
125
126	# output is not compressed at all
127	foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
128	{
129
130	my $Error = getErrorRef($CompressClass);
131
132	my $out_file = 'abcde.out';
133	my $lex = new LexFile($out_file) ;
134
135	foreach my $to_file ( qw(buffer file handle ) )
136	{
137	title "$CompressClass to $to_file, content is not compressed";
138
139	my $content = "abc" x 300 ;
140	my $buffer ;
141	my $disp_content = defined $content ? $content : '<undef>' ;
142	my $str_content = defined $content ? $content : '' ;
143
144	if ($to_file eq 'buffer')
145	{
146	$buffer = \$content ;
147	}
148	else
149	{
150	writeFile($out_file, $content);
151
152	if ($to_file eq 'handle')
153	{
154	$buffer = new IO::File "+<$out_file"
155	or die "# Cannot open $out_file: $!";
156	}
157	else
158	{ $buffer = $out_file }
159	}
160
161	ok ! $CompressClass->new($buffer, Merge => 1), " constructor fails";
162	{
163	like $$Error, '/Cannot create InflateScan object: (Header Error\|unexpected end of file)/', " got Bad Magic" ;
164	}
165
166	}
167	}
168
169	# output is empty
170	foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
171	{
172
173	my $Error = getErrorRef($CompressClass);
174
175	my $out_file = 'abcde.out';
176	my $lex = new LexFile($out_file) ;
177
178	foreach my $to_file ( qw(buffer file handle ) )
179	{
180	title "$CompressClass to $to_file, content is empty";
181
182	my $content = '';
183	my $buffer ;
184	my $dest ;
185
186	if ($to_file eq 'buffer')
187	{
188	$dest = $buffer = \$content ;
189	}
190	else
191	{
192	writeFile($out_file, $content);
193	$dest = $out_file;
194
195	if ($to_file eq 'handle')
196	{
197	$buffer = new IO::File "+<$out_file"
198	or die "# Cannot open $out_file: $!";
199	}
200	else
201	{ $buffer = $out_file }
202	}
203
204	ok my $gz = $CompressClass->new($buffer, Merge => 1, AutoClose => 1), " constructor passes";
205
206	$gz->write("FGHI");
207	$gz->close();
208
209	#hexDump($buffer);
210	my $out = anyUncompress($dest);
211
212	is $out, "FGHI", ' Merge OK';
213	}
214	}
215
216	foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
217	{
218	my $Error = getErrorRef($CompressClass);
219
220	title "$CompressClass - Merge to file that doesn't exist";
221
222	my $out_file = 'abcd.out';
223	my $lex = new LexFile($out_file) ;
224
225	ok ! -e $out_file, " Destination file, '$out_file', does not exist";
226
227	ok my $gz1 = $CompressClass->new($out_file, Merge => 1)
228	or die "# $CompressClass->new failed: $GzipError\n";
229	#hexDump($buffer);
230	$gz1->write("FGHI");
231	$gz1->close();
232
233	#hexDump($buffer);
234	my $out = anyUncompress($out_file);
235
236	is $out, "FGHI", ' Merged OK';
237	}
238
239	foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
240	{
241	my $Error = getErrorRef($CompressClass);
242
243	my $out_file = 'abcde.out';
244	my $lex = new LexFile($out_file) ;
245
246	foreach my $to_file ( qw( buffer file handle ) )
247	{
248	foreach my $content (undef, '', 'x', 'abcde')
249	{
250	#next if ! defined $content && $to_file;
251
252	my $buffer ;
253	my $disp_content = defined $content ? $content : '<undef>' ;
254	my $str_content = defined $content ? $content : '' ;
255
256	if ($to_file eq 'buffer')
257	{
258	my $x ;
259	$buffer = \$x ;
260	title "$CompressClass to Buffer, content is '$disp_content'";
261	}
262	else
263	{
264	$buffer = $out_file ;
265	if ($to_file eq 'handle')
266	{
267	title "$CompressClass to Filehandle, content is '$disp_content'";
268	}
269	else
270	{
271	title "$CompressClass to File, content is '$disp_content'";
272	}
273	}
274
275	my $gz = $CompressClass->new($buffer);
276	my $len = defined $content ? length($content) : 0 ;
277	is $gz->write($content), $len, " write ok";
278	ok $gz->close(), " close ok";
279
280	#hexDump($buffer);
281	is anyUncompress($buffer), $str_content, ' Destination is ok';
282
283	#if ($corruption)
284	#{
285	# next if $TopTypes eq 'RawDeflate' && $content eq '';
286	#
287	#}
288
289	my $dest = $buffer ;
290	if ($to_file eq 'handle')
291	{
292	$dest = new IO::File "+<$buffer" ;
293	}
294
295	my $gz1 = $CompressClass->new($dest, Merge => 1, AutoClose => 1)
296	or die "## $GzipError\n";
297	#print "YYY\n";
298	#hexDump($buffer);
299	#print "XXX\n";
300	is $gz1->write("FGHI"), 4, " write returned 4";
301	ok $gz1->close(), " close ok";
302
303	#hexDump($buffer);
304	my $out = anyUncompress($buffer);
305
306	is $out, $str_content . "FGHI", ' Merged OK';
307	#exit;
308	}
309	}
310
311	}
312
313
314	foreach my $CompressClass ( map { "IO::Compress::$_" } qw( Gzip RawDeflate Deflate) )
315	{
316	my $Error = getErrorRef($CompressClass);
317
318	my $Func = getTopFuncRef($CompressClass);
319	my $TopType = getTopFuncName($CompressClass);
320
321	my $buffer ;
322
323	my $out_file = 'abcde.out';
324	my $lex = new LexFile($out_file) ;
325
326	foreach my $to_file (0, 1)
327	{
328	foreach my $content (undef, '', 'x', 'abcde')
329	{
330	my $disp_content = defined $content ? $content : '<undef>' ;
331	my $str_content = defined $content ? $content : '' ;
332	my $buffer ;
333	if ($to_file)
334	{
335	$buffer = $out_file ;
336	title "$TopType to File, content is '$disp_content'";
337	}
338	else
339	{
340	my $x = '';
341	$buffer = \$x ;
342	title "$TopType to Buffer, content is '$disp_content'";
343	}
344
345
346	ok $Func->(\$content, $buffer), " Compress content";
347	#hexDump($buffer);
348	is anyUncompress($buffer), $str_content, ' Destination is ok';
349
350
351	ok $Func->(\"FGHI", $buffer, Merge => 1), " Merge content";
352
353	#hexDump($buffer);
354	my $out = anyUncompress($buffer);
355
356	is $out, $str_content . "FGHI", ' Merged OK';
357	}
358	}
359
360	}
361
362
363