[p5sagit/p5-mst-13.2.git] / t / lib / compress / tied.pl


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

use Test::More ;
use ZlibTestUtils;

our ($BadPerl, $UncompressClass);
 
BEGIN 
{ 
    plan(skip_all => "Tied Filehandle needs Perl 5.005 or better" )
        if $] < 5.005 ;

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

    my $tests ;
    $BadPerl = ($] >= 5.006 and $] <= 5.008) ;

    if ($BadPerl) {
        $tests = 242 ;
    }
    else {
        $tests = 250 ;
    }

    plan tests => $tests + $extra ;

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

}
 
 
use IO::Handle qw(SEEK_SET SEEK_CUR SEEK_END);
 

sub myGZreadFile
{
    my $filename = shift ;
    my $init = shift ;


    my $fil = new $UncompressClass $filename,
                                    -Strict   => 1,
                                    -Append   => 1
                                    ;

    my $data ;
    $data = $init if defined $init ;
    1 while $fil->read($data) > 0;

    $fil->close ;
    return $data ;
}

sub run
{

    my $CompressClass   = identify();
    $UncompressClass = getInverse($CompressClass);
    my $Error           = getErrorRef($CompressClass);
    my $UnError         = getErrorRef($UncompressClass);

    {
        next if $BadPerl ;


        title "Testing $CompressClass";

            
        my $x ;
        my $gz = new $CompressClass(\$x); 

        my $buff ;

        eval { getc($gz) } ;
        like $@, mkErr("^getc Not Available: File opened only for output");

        eval { read($gz, $buff, 1) } ;
        like $@, mkErr("^read Not Available: File opened only for output");

        eval { <$gz>  } ;
        like $@, mkErr("^readline Not Available: File opened only for output");

    }

    {
        next if $BadPerl;
        $UncompressClass = getInverse($CompressClass);

        title "Testing $UncompressClass";

        my $gc ;
        my $guz = new $CompressClass(\$gc); 
        $guz->write("abc") ;
        $guz->close();

        my $x ;
        my $gz = new $UncompressClass(\$gc); 

        my $buff ;

        eval { print $gz "abc" } ;
        like $@, mkErr("^print Not Available: File opened only for intput");

        eval { printf $gz "fmt", "abc" } ;
        like $@, mkErr("^printf Not Available: File opened only for intput");

        #eval { write($gz, $buff, 1) } ;
        #like $@, mkErr("^write Not Available: File opened only for intput");

    }

    {
        $UncompressClass = getInverse($CompressClass);

        title "Testing $CompressClass and $UncompressClass";


        {
            # Write
            # these tests come almost 100% from IO::String

            my $lex = new LexFile my $name ;

            my $io = $CompressClass->new($name);

            is $io->tell(), 0 ;

            my $heisan = "Heisan\n";
            print $io $heisan ;

            ok ! $io->eof;

            is $io->tell(), length($heisan) ;

            print($io "a", "b", "c");

            {
                local($\) = "\n";
                print $io "d", "e";
                local($,) = ",";
                print $io "f", "g", "h";
            }

            my $foo = "1234567890";
            
            ok syswrite($io, $foo, length($foo)) == length($foo) ;
            if ( $[ < 5.6 )
              { is $io->syswrite($foo, length $foo), length $foo }
            else
              { is $io->syswrite($foo), length $foo }
            ok $io->syswrite($foo, length($foo)) == length $foo;
            ok $io->write($foo, length($foo), 5) == 5;
            ok $io->write("xxx\n", 100, -1) == 1;

            for (1..3) {
                printf $io "i(%d)", $_;
                $io->printf("[%d]\n", $_);
            }
            select $io;
            print "\n";
            select STDOUT;

            close $io ;

            ok $io->eof;

            is myGZreadFile($name), "Heisan\nabcde\nf,g,h\n" .
                                    ("1234567890" x 3) . "67890\n" .
                                        "i(1)[1]\ni(2)[2]\ni(3)[3]\n\n";


        }

        {
            # Read
            my $str = <<EOT;
This is an example
of a paragraph


and a single line.

EOT

            my $lex = new LexFile my $name ;

            my $iow = new $CompressClass $name ;
            print $iow $str ;
            close $iow;

            my @tmp;
            my $buf;
            {
                my $io = new $UncompressClass $name ;
            
                ok ! $io->eof;
                is $io->tell(), 0 ;
                my @lines = <$io>;
                is @lines, 6
                    or print "# Got " . scalar(@lines) . " lines, expected 6\n" ;
                is $lines[1], "of a paragraph\n" ;
                is join('', @lines), $str ;
                is $., 6; 
                is $io->tell(), length($str) ;
            
                ok $io->eof;

                ok ! ( defined($io->getline)  ||
                          (@tmp = $io->getlines) ||
                          defined(<$io>)         ||
                          defined($io->getc)     ||
                          read($io, $buf, 100)   != 0) ;
            }
            
            
            {
                local $/;  # slurp mode
                my $io = $UncompressClass->new($name);
                ok !$io->eof;
                my @lines = $io->getlines;
                ok $io->eof;
                ok @lines == 1 && $lines[0] eq $str;
            
                $io = $UncompressClass->new($name);
                ok ! $io->eof;
                my $line = <$io>;
                ok $line eq $str;
                ok $io->eof;
            }
            
            {
                local $/ = "";  # paragraph mode
                my $io = $UncompressClass->new($name);
                ok ! $io->eof;
                my @lines = <$io>;
                ok $io->eof;
                ok @lines == 2 
                    or print "# Got " . scalar(@lines) . " lines, expected 2\n" ;
                ok $lines[0] eq "This is an example\nof a paragraph\n\n\n"
                    or print "# $lines[0]\n";
                ok $lines[1] eq "and a single line.\n\n";
            }
            
            {
                local $/ = "is";
                my $io = $UncompressClass->new($name);
                my @lines = ();
                my $no = 0;
                my $err = 0;
                ok ! $io->eof;
                while (<$io>) {
                    push(@lines, $_);
                    $err++ if $. != ++$no;
                }
            
                ok $err == 0 ;
                ok $io->eof;
            
                ok @lines == 3 
                    or print "# Got " . scalar(@lines) . " lines, expected 3\n" ;
                ok join("-", @lines) eq
                                 "This- is- an example\n" .
                                "of a paragraph\n\n\n" .
                                "and a single line.\n\n";
            }
            
            
            # Test read
            
            {
                my $io = $UncompressClass->new($name);
            

                if (! $BadPerl) {
                    eval { read($io, $buf, -1) } ;
                    like $@, mkErr("length parameter is negative");
                }

                is read($io, $buf, 0), 0, "Requested 0 bytes" ;

                ok read($io, $buf, 3) == 3 ;
                ok $buf eq "Thi";
            
                ok sysread($io, $buf, 3, 2) == 3 ;
                ok $buf eq "Ths i"
                    or print "# [$buf]\n" ;;
                ok ! $io->eof;
            
        #        $io->seek(-4, 2);
        #    
        #        ok ! $io->eof;
        #    
        #        ok read($io, $buf, 20) == 4 ;
        #        ok $buf eq "e.\n\n";
        #    
        #        ok read($io, $buf, 20) == 0 ;
        #        ok $buf eq "";
        #   
        #        ok ! $io->eof;
            }

        }

        {
            # Read from non-compressed file

            my $str = <<EOT;
This is an example
of a paragraph


and a single line.

EOT

            my $lex = new LexFile my $name ;

            writeFile($name, $str);
            my @tmp;
            my $buf;
            {
                my $io = new $UncompressClass $name, -Transparent => 1 ;
            
                ok defined $io;
                ok ! $io->eof;
                ok $io->tell() == 0 ;
                my @lines = <$io>;
                ok @lines == 6; 
                ok $lines[1] eq "of a paragraph\n" ;
                ok join('', @lines) eq $str ;
                ok $. == 6; 
                ok $io->tell() == length($str) ;
            
                ok $io->eof;

                ok ! ( defined($io->getline)  ||
                          (@tmp = $io->getlines) ||
                          defined(<$io>)         ||
                          defined($io->getc)     ||
                          read($io, $buf, 100)   != 0) ;
            }
            
            
            {
                local $/;  # slurp mode
                my $io = $UncompressClass->new($name);
                ok ! $io->eof;
                my @lines = $io->getlines;
                ok $io->eof;
                ok @lines == 1 && $lines[0] eq $str;
            
                $io = $UncompressClass->new($name);
                ok ! $io->eof;
                my $line = <$io>;
                ok $line eq $str;
                ok $io->eof;
            }
            
            {
                local $/ = "";  # paragraph mode
                my $io = $UncompressClass->new($name);
                ok ! $io->eof;
                my @lines = <$io>;
                ok $io->eof;
                ok @lines == 2 
                    or print "# exected 2 lines, got " . scalar(@lines) . "\n";
                ok $lines[0] eq "This is an example\nof a paragraph\n\n\n"
                    or print "# [$lines[0]]\n" ;
                ok $lines[1] eq "and a single line.\n\n";
            }
            
            {
                local $/ = "is";
                my $io = $UncompressClass->new($name);
                my @lines = ();
                my $no = 0;
                my $err = 0;
                ok ! $io->eof;
                while (<$io>) {
                    push(@lines, $_);
                    $err++ if $. != ++$no;
                }
            
                ok $err == 0 ;
                ok $io->eof;
            
                ok @lines == 3 ;
                ok join("-", @lines) eq
                                 "This- is- an example\n" .
                                "of a paragraph\n\n\n" .
                                "and a single line.\n\n";
            }
            
            
            # Test read
            
            {
                my $io = $UncompressClass->new($name);
            
                ok read($io, $buf, 3) == 3 ;
                ok $buf eq "Thi";
            
                ok sysread($io, $buf, 3, 2) == 3 ;
                ok $buf eq "Ths i";
                ok ! $io->eof;
            
        #        $io->seek(-4, 2);
        #    
        #        ok ! $io->eof;
        #    
        #        ok read($io, $buf, 20) == 4 ;
        #        ok $buf eq "e.\n\n";
        #    
        #        ok read($io, $buf, 20) == 0 ;
        #        ok $buf eq "";
        #    
        #        ok ! $io->eof;
            }


        }

        {
            # Vary the length parameter in a read

            my $str = <<EOT;
x
x
This is an example
of a paragraph


and a single line.

EOT
            $str = $str x 100 ;


            foreach my $bufsize (1, 3, 512, 4096, length($str)-1, length($str), length($str)+1)
            {
                foreach my $trans (0, 1)
                {
                    foreach my $append (0, 1)
                    {
                        title "Read Tests - buf length $bufsize, Transparent $trans, Append $append" ;

                        my $lex = new LexFile my $name ;

                        if ($trans) {
                            writeFile($name, $str) ;
                        }
                        else {
                            my $iow = new $CompressClass $name ;
                            print $iow $str ;
                            close $iow;
                        }

                        
                        my $io = $UncompressClass->new($name, 
                                                       -Append => $append,
                                                       -Transparent  => $trans);
                    
                        my $buf;
                        
                        is $io->tell(), 0;

                        if ($append) {
                            1 while $io->read($buf, $bufsize) > 0;
                        }
                        else {
                            my $tmp ;
                            $buf .= $tmp while $io->read($tmp, $bufsize) > 0 ;
                        }
                        is length $buf, length $str;
                        ok $buf eq $str ;
                        ok ! $io->error() ;
                        ok $io->eof;
                    }
                }
            }
        }

    }
}

1;
Commit	Line	Data
1a6a8453	1
	2	use lib 't';
	3	use strict;
	4	use warnings;
	5	use bytes;
	6
	7	use Test::More ;
	8	use ZlibTestUtils;
	9
	10	our ($BadPerl, $UncompressClass);
	11
	12	BEGIN
	13	{
	14	plan(skip_all => "Tied Filehandle needs Perl 5.005 or better" )
	15	if $] < 5.005 ;
	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	my $tests ;
	23	$BadPerl = ($] >= 5.006 and $] <= 5.008) ;
	24
	25	if ($BadPerl) {
	26	$tests = 242 ;
	27	}
	28	else {
	29	$tests = 250 ;
	30	}
	31
	32	plan tests => $tests + $extra ;
	33
	34	use_ok('Compress::Zlib', 2) ;
	35
	36	}
	37
	38
	39	use IO::Handle qw(SEEK_SET SEEK_CUR SEEK_END);
	40
	41
	42
	43	sub myGZreadFile
	44	{
	45	my $filename = shift ;
	46	my $init = shift ;
	47
	48
	49	my $fil = new $UncompressClass $filename,
	50	-Strict => 1,
	51	-Append => 1
	52	;
	53
	54	my $data ;
	55	$data = $init if defined $init ;
	56	1 while $fil->read($data) > 0;
	57
	58	$fil->close ;
	59	return $data ;
	60	}
	61
	62	sub run
	63	{
	64
65	my $CompressClass = identify();
66	$UncompressClass = getInverse($CompressClass);
67	my $Error = getErrorRef($CompressClass);
68	my $UnError = getErrorRef($UncompressClass);
69
70	{
71	next if $BadPerl ;
72
73
74	title "Testing $CompressClass";
75
76
77	my $x ;
78	my $gz = new $CompressClass(\$x);
79
80	my $buff ;
81
82	eval { getc($gz) } ;
83	like $@, mkErr("^getc Not Available: File opened only for output");
84
85	eval { read($gz, $buff, 1) } ;
86	like $@, mkErr("^read Not Available: File opened only for output");
87
88	eval { <$gz> } ;
89	like $@, mkErr("^readline Not Available: File opened only for output");
90
91	}
92
93	{
94	next if $BadPerl;
95	$UncompressClass = getInverse($CompressClass);
96
97	title "Testing $UncompressClass";
98
99	my $gc ;
100	my $guz = new $CompressClass(\$gc);
101	$guz->write("abc") ;
102	$guz->close();
103
104	my $x ;
105	my $gz = new $UncompressClass(\$gc);
106
107	my $buff ;
108
109	eval { print $gz "abc" } ;
110	like $@, mkErr("^print Not Available: File opened only for intput");
111
112	eval { printf $gz "fmt", "abc" } ;
113	like $@, mkErr("^printf Not Available: File opened only for intput");
114
115	#eval { write($gz, $buff, 1) } ;
116	#like $@, mkErr("^write Not Available: File opened only for intput");
117
118	}
119
120	{
121	$UncompressClass = getInverse($CompressClass);
122
123	title "Testing $CompressClass and $UncompressClass";
124
125
126	{
127	# Write
128	# these tests come almost 100% from IO::String
129
130	my $lex = new LexFile my $name ;
131
132	my $io = $CompressClass->new($name);
133
134	is $io->tell(), 0 ;
135
136	my $heisan = "Heisan\n";
137	print $io $heisan ;
138
139	ok ! $io->eof;
140
141	is $io->tell(), length($heisan) ;
142
143	print($io "a", "b", "c");
144
145	{
146	local($\) = "\n";
147	print $io "d", "e";
148	local($,) = ",";
149	print $io "f", "g", "h";
150	}
151
152	my $foo = "1234567890";
153
154	ok syswrite($io, $foo, length($foo)) == length($foo) ;
155	if ( $[ < 5.6 )
156	{ is $io->syswrite($foo, length $foo), length $foo }
157	else
158	{ is $io->syswrite($foo), length $foo }
159	ok $io->syswrite($foo, length($foo)) == length $foo;
160	ok $io->write($foo, length($foo), 5) == 5;
161	ok $io->write("xxx\n", 100, -1) == 1;
162
163	for (1..3) {
164	printf $io "i(%d)", $_;
165	$io->printf("[%d]\n", $_);
166	}
167	select $io;
168	print "\n";
169	select STDOUT;
170
171	close $io ;
172
173	ok $io->eof;
174
175	is myGZreadFile($name), "Heisan\nabcde\nf,g,h\n" .
176	("1234567890" x 3) . "67890\n" .
177	"i(1)[1]\ni(2)[2]\ni(3)[3]\n\n";
178
179
180	}
181
182	{
183	# Read
184	my $str = <<EOT;
185	This is an example
186	of a paragraph
187
188
189	and a single line.
190
191	EOT
192
193	my $lex = new LexFile my $name ;
194
195	my $iow = new $CompressClass $name ;
196	print $iow $str ;
197	close $iow;
198
199	my @tmp;
200	my $buf;
201	{
202	my $io = new $UncompressClass $name ;
203
204	ok ! $io->eof;
205	is $io->tell(), 0 ;
206	my @lines = <$io>;
207	is @lines, 6
208	or print "# Got " . scalar(@lines) . " lines, expected 6\n" ;
209	is $lines[1], "of a paragraph\n" ;
210	is join('', @lines), $str ;
211	is $., 6;
212	is $io->tell(), length($str) ;
213
214	ok $io->eof;
215
216	ok ! ( defined($io->getline) \|\|
217	(@tmp = $io->getlines) \|\|
218	defined(<$io>) \|\|
219	defined($io->getc) \|\|
220	read($io, $buf, 100) != 0) ;
221	}
222
223
224	{
225	local $/; # slurp mode
226	my $io = $UncompressClass->new($name);
227	ok !$io->eof;
228	my @lines = $io->getlines;
229	ok $io->eof;
230	ok @lines == 1 && $lines[0] eq $str;
231
232	$io = $UncompressClass->new($name);
233	ok ! $io->eof;
234	my $line = <$io>;
235	ok $line eq $str;
236	ok $io->eof;
237	}
238
239	{
240	local $/ = ""; # paragraph mode
241	my $io = $UncompressClass->new($name);
242	ok ! $io->eof;
243	my @lines = <$io>;
244	ok $io->eof;
245	ok @lines == 2
246	or print "# Got " . scalar(@lines) . " lines, expected 2\n" ;
247	ok $lines[0] eq "This is an example\nof a paragraph\n\n\n"
248	or print "# $lines[0]\n";
249	ok $lines[1] eq "and a single line.\n\n";
250	}
251
252	{
253	local $/ = "is";
254	my $io = $UncompressClass->new($name);
255	my @lines = ();
256	my $no = 0;
257	my $err = 0;
258	ok ! $io->eof;
259	while (<$io>) {
260	push(@lines, $_);
261	$err++ if $. != ++$no;
262	}
263
264	ok $err == 0 ;
265	ok $io->eof;
266
267	ok @lines == 3
268	or print "# Got " . scalar(@lines) . " lines, expected 3\n" ;
269	ok join("-", @lines) eq
270	"This- is- an example\n" .
271	"of a paragraph\n\n\n" .
272	"and a single line.\n\n";
273	}
274
275
276	# Test read
277
278	{
279	my $io = $UncompressClass->new($name);
280
281
282	if (! $BadPerl) {
283	eval { read($io, $buf, -1) } ;
284	like $@, mkErr("length parameter is negative");
285	}
286
287	is read($io, $buf, 0), 0, "Requested 0 bytes" ;
288
289	ok read($io, $buf, 3) == 3 ;
290	ok $buf eq "Thi";
291
292	ok sysread($io, $buf, 3, 2) == 3 ;
293	ok $buf eq "Ths i"
294	or print "# [$buf]\n" ;;
295	ok ! $io->eof;
296
297	# $io->seek(-4, 2);
298	#
299	# ok ! $io->eof;
300	#
301	# ok read($io, $buf, 20) == 4 ;
302	# ok $buf eq "e.\n\n";
303	#
304	# ok read($io, $buf, 20) == 0 ;
305	# ok $buf eq "";
306	#
307	# ok ! $io->eof;
308	}
309
310	}
311
312	{
313	# Read from non-compressed file
314
315	my $str = <<EOT;
316	This is an example
317	of a paragraph
318
319
320	and a single line.
321
322	EOT
323
324	my $lex = new LexFile my $name ;
325
326	writeFile($name, $str);
327	my @tmp;
328	my $buf;
329	{
330	my $io = new $UncompressClass $name, -Transparent => 1 ;
331
332	ok defined $io;
333	ok ! $io->eof;
334	ok $io->tell() == 0 ;
335	my @lines = <$io>;
336	ok @lines == 6;
337	ok $lines[1] eq "of a paragraph\n" ;
338	ok join('', @lines) eq $str ;
339	ok $. == 6;
340	ok $io->tell() == length($str) ;
341
342	ok $io->eof;
343
344	ok ! ( defined($io->getline) \|\|
345	(@tmp = $io->getlines) \|\|
346	defined(<$io>) \|\|
347	defined($io->getc) \|\|
348	read($io, $buf, 100) != 0) ;
349	}
350
351
352	{
353	local $/; # slurp mode
354	my $io = $UncompressClass->new($name);
355	ok ! $io->eof;
356	my @lines = $io->getlines;
357	ok $io->eof;
358	ok @lines == 1 && $lines[0] eq $str;
359
360	$io = $UncompressClass->new($name);
361	ok ! $io->eof;
362	my $line = <$io>;
363	ok $line eq $str;
364	ok $io->eof;
365	}
366
367	{
368	local $/ = ""; # paragraph mode
369	my $io = $UncompressClass->new($name);
370	ok ! $io->eof;
371	my @lines = <$io>;
372	ok $io->eof;
373	ok @lines == 2
374	or print "# exected 2 lines, got " . scalar(@lines) . "\n";
375	ok $lines[0] eq "This is an example\nof a paragraph\n\n\n"
376	or print "# [$lines[0]]\n" ;
377	ok $lines[1] eq "and a single line.\n\n";
378	}
379
380	{
381	local $/ = "is";
382	my $io = $UncompressClass->new($name);
383	my @lines = ();
384	my $no = 0;
385	my $err = 0;
386	ok ! $io->eof;
387	while (<$io>) {
388	push(@lines, $_);
389	$err++ if $. != ++$no;
390	}
391
392	ok $err == 0 ;
393	ok $io->eof;
394
395	ok @lines == 3 ;
396	ok join("-", @lines) eq
397	"This- is- an example\n" .
398	"of a paragraph\n\n\n" .
399	"and a single line.\n\n";
400	}
401
402
403	# Test read
404
405	{
406	my $io = $UncompressClass->new($name);
407
408	ok read($io, $buf, 3) == 3 ;
409	ok $buf eq "Thi";
410
411	ok sysread($io, $buf, 3, 2) == 3 ;
412	ok $buf eq "Ths i";
413	ok ! $io->eof;
414
415	# $io->seek(-4, 2);
416	#
417	# ok ! $io->eof;
418	#
419	# ok read($io, $buf, 20) == 4 ;
420	# ok $buf eq "e.\n\n";
421	#
422	# ok read($io, $buf, 20) == 0 ;
423	# ok $buf eq "";
424	#
425	# ok ! $io->eof;
426	}
427
428
429	}
430
431	{
432	# Vary the length parameter in a read
433
434	my $str = <<EOT;
435	x
436	x
437	This is an example
438	of a paragraph
439
440
441	and a single line.
442
443	EOT
444	$str = $str x 100 ;
445
446
447	foreach my $bufsize (1, 3, 512, 4096, length($str)-1, length($str), length($str)+1)
448	{
449	foreach my $trans (0, 1)
450	{
451	foreach my $append (0, 1)
452	{
453	title "Read Tests - buf length $bufsize, Transparent $trans, Append $append" ;
454
455	my $lex = new LexFile my $name ;
456
457	if ($trans) {
458	writeFile($name, $str) ;
459	}
460	else {
461	my $iow = new $CompressClass $name ;
462	print $iow $str ;
463	close $iow;
464	}
465
466
467	my $io = $UncompressClass->new($name,
468	-Append => $append,
469	-Transparent => $trans);
470
471	my $buf;
472
473	is $io->tell(), 0;
474
475	if ($append) {
476	1 while $io->read($buf, $bufsize) > 0;
477	}
478	else {
479	my $tmp ;
480	$buf .= $tmp while $io->read($tmp, $bufsize) > 0 ;
481	}
482	is length $buf, length $str;
483	ok $buf eq $str ;
484	ok ! $io->error() ;
485	ok $io->eof;
486	}
487	}
488	}
489	}
490
491	}
492	}
493
494	1;