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Make use VERSION also load feature.pm
[p5sagit/p5-mst-13.2.git] / t / lib / compress / generic.pl
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1a6a8453 1
2use strict;
3use warnings;
4use bytes;
5
6use Test::More ;
25f0751f 7use CompTestUtils;
1a6a8453 8
9use IO::Handle qw(SEEK_SET SEEK_CUR SEEK_END);
10
11our ($UncompressClass);
12BEGIN
13{
14 # use Test::NoWarnings, if available
15 my $extra = 0 ;
16
17 my $st = eval { require Test::NoWarnings ; import Test::NoWarnings; 1; };
18 $extra = 1
19 if $st ;
1a6a8453 20
258133d1 21 plan(tests => 639 + $extra) ;
1a6a8453 22}
23
1a6a8453 24sub myGZreadFile
25{
26 my $filename = shift ;
27 my $init = shift ;
28
29
30 my $fil = new $UncompressClass $filename,
31 -Strict => 0,
32 -Append => 1
33 ;
34
35 my $data = '';
36 $data = $init if defined $init ;
37 1 while $fil->read($data) > 0;
38
39 $fil->close ;
40 return $data ;
41}
42
43sub run
44{
1a6a8453 45 my $CompressClass = identify();
46 $UncompressClass = getInverse($CompressClass);
47 my $Error = getErrorRef($CompressClass);
48 my $UnError = getErrorRef($UncompressClass);
49
50 {
51
52 title "Testing $CompressClass Errors";
53
54 # Buffer not writable
55 eval qq[\$a = new $CompressClass(\\1) ;] ;
56 like $@, mkEvalErr("^$CompressClass: output buffer is read-only") ;
57
58 my($out, $gz);
59 $out = "" ;
60 eval qq[\$a = new $CompressClass ] . '$out ;' ;
61 like $@, mkEvalErr("^$CompressClass: output filename is undef or null string");
62
63 $out = undef ;
64 eval qq[\$a = new $CompressClass \$out ;] ;
65 like $@, mkEvalErr("^$CompressClass: output filename is undef or null string");
66
67 my $x ;
68 $gz = new $CompressClass(\$x);
69
70 foreach my $name (qw(read readline getc))
71 {
72 eval " \$gz->$name() " ;
73 like $@, mkEvalErr("^$name Not Available: File opened only for output");
74 }
75
76 eval ' $gz->write({})' ;
77 like $@, mkEvalErr("^${CompressClass}::write: not a scalar reference");
78 #like $@, mkEvalErr("^${CompressClass}::write: input parameter not a filename, filehandle, array ref or scalar ref");
79
80 eval ' $gz->syswrite("abc", 1, 5)' ;
81 like $@, mkEvalErr("^${CompressClass}::write: offset outside string");
82
83 eval ' $gz->syswrite("abc", 1, -4)' ;
84 like $@, mkEvalErr("^${CompressClass}::write: offset outside string");
85 }
86
87
88 {
89 title "Testing $UncompressClass Errors";
90
91 my $out = "" ;
92 eval qq[\$a = new $UncompressClass \$out ;] ;
93 like $@, mkEvalErr("^$UncompressClass: input filename is undef or null string");
94 $out = undef ;
95 eval qq[\$a = new $UncompressClass \$out ;] ;
96 like $@, mkEvalErr("^$UncompressClass: input filename is undef or null string");
97
98 my $lex = new LexFile my $name ;
99
100 ok ! -e $name, " $name does not exist";
101
102 eval qq[\$a = new $UncompressClass "$name" ;] ;
103 is $$UnError, "input file '$name' does not exist";
104
105 my $gc ;
106 my $guz = new $CompressClass(\$gc);
107 $guz->write("abc") ;
108 $guz->close();
109
110 my $x ;
111 my $gz = new $UncompressClass(\$gc);
112
113 foreach my $name (qw(print printf write))
114 {
115 eval " \$gz->$name() " ;
116 like $@, mkEvalErr("^$name Not Available: File opened only for intput");
117 }
118
119 }
120
121 {
122 title "Testing $CompressClass and $UncompressClass";
123
124 {
125 my ($a, $x, @x) = ("","","") ;
126
127 # Buffer not a scalar reference
128 eval qq[\$a = new $CompressClass \\\@x ;] ;
129 like $@, mkEvalErr("^$CompressClass: output parameter not a filename, filehandle or scalar ref");
130
131 # Buffer not a scalar reference
132 eval qq[\$a = new $UncompressClass \\\@x ;] ;
133 like $@, mkEvalErr("^$UncompressClass: input parameter not a filename, filehandle, array ref or scalar ref");
134 }
135
136 foreach my $Type ( $CompressClass, $UncompressClass)
137 {
138 # Check error handling with IO::Compress::Deflate and IO::Uncompress::Inflate
139
140 my ($a, $x, @x) = ("","","") ;
141
142 # Odd number of parameters
143 eval qq[\$a = new $Type "abc", -Output ] ;
144 like $@, mkEvalErr("^$Type: Expected even number of parameters, got 1");
145
146 # Unknown parameter
147 eval qq[\$a = new $Type "anc", -Fred => 123 ;] ;
148 like $@, mkEvalErr("^$Type: unknown key value\\(s\\) Fred");
149
150 # no in or out param
151 eval qq[\$a = new $Type ;] ;
152 like $@, mkEvalErr("^$Type: Missing (Input|Output) parameter");
153
154 }
155
156
157 {
158 # write a very simple compressed file
159 # and read back
160 #========================================
161
162
163 my $lex = new LexFile my $name ;
258133d1 164 #my $name = "/tmp/try.lzf";
1a6a8453 165
166 my $hello = <<EOM ;
167hello world
168this is a test
169EOM
170
171 {
172 my $x ;
173 ok $x = new $CompressClass $name ;
25f0751f 174 is $x->autoflush(1), 0, "autoflush";
175 is $x->autoflush(1), 1, "autoflush";
176 ok $x->opened(), "opened";
1a6a8453 177
178 ok $x->write($hello), "write" ;
179 ok $x->flush(), "flush";
180 ok $x->close, "close" ;
25f0751f 181 ok ! $x->opened(), "! opened";
1a6a8453 182 }
183
184 {
185 my $uncomp;
186 ok my $x = new $UncompressClass $name, -Append => 1 ;
25f0751f 187 ok $x->opened(), "opened";
1a6a8453 188
189 my $len ;
190 1 while ($len = $x->read($uncomp)) > 0 ;
191
192 is $len, 0, "read returned 0"
193 or diag $$UnError ;
194
195 ok $x->close ;
196 is $uncomp, $hello ;
25f0751f 197 ok !$x->opened(), "! opened";
1a6a8453 198 }
199 }
200
201 {
202 # write a very simple compressed file
203 # and read back
204 #========================================
205
206
207 my $lex = new LexFile my $name ;
208
209 my $hello = <<EOM ;
210hello world
211this is a test
212EOM
213
214 {
215 my $x ;
216 ok $x = new $CompressClass $name ;
217
218 is $x->write(''), 0, "Write empty string is ok";
219 is $x->write(undef), 0, "Write undef is ok";
220 ok $x->write($hello), "Write ok" ;
221 ok $x->close, "Close ok" ;
222 }
223
224 {
225 my $uncomp;
226 my $x = new $UncompressClass $name ;
227 ok $x, "creates $UncompressClass $name" ;
228
229 my $data = '';
230 $data .= $uncomp while $x->read($uncomp) > 0 ;
231
232 ok $x->close, "close ok" ;
233 is $data, $hello, "expected output" ;
234 }
235 }
236
237
238 {
239 # write a very simple file with using an IO filehandle
240 # and read back
241 #========================================
242
243
244 my $lex = new LexFile my $name ;
245
246 my $hello = <<EOM ;
247hello world
248this is a test
249EOM
250
251 {
252 my $fh = new IO::File ">$name" ;
253 ok $fh, "opened file $name ok";
254 my $x = new $CompressClass $fh ;
255 ok $x, " created $CompressClass $fh" ;
256
257 is $x->fileno(), fileno($fh), "fileno match" ;
258 is $x->write(''), 0, "Write empty string is ok";
259 is $x->write(undef), 0, "Write undef is ok";
260 ok $x->write($hello), "write ok" ;
261 ok $x->flush(), "flush";
262 ok $x->close,"close" ;
263 $fh->close() ;
264 }
265
266 my $uncomp;
267 {
268 my $x ;
269 ok my $fh1 = new IO::File "<$name" ;
270 ok $x = new $UncompressClass $fh1, -Append => 1 ;
271 ok $x->fileno() == fileno $fh1 ;
272
273 1 while $x->read($uncomp) > 0 ;
274
275 ok $x->close ;
276 }
277
278 ok $hello eq $uncomp ;
279 }
280
281 {
282 # write a very simple file with using a glob filehandle
283 # and read back
284 #========================================
285
286
287 my $lex = new LexFile my $name ;
25f0751f 288 #my $name = "/tmp/fred";
1a6a8453 289
290 my $hello = <<EOM ;
291hello world
292this is a test
293EOM
294
295 {
296 title "$CompressClass: Input from typeglob filehandle";
297 ok open FH, ">$name" ;
298
299 my $x = new $CompressClass *FH ;
300 ok $x, " create $CompressClass" ;
301
302 is $x->fileno(), fileno(*FH), " fileno" ;
303 is $x->write(''), 0, " Write empty string is ok";
304 is $x->write(undef), 0, " Write undef is ok";
305 ok $x->write($hello), " Write ok" ;
306 ok $x->flush(), " Flush";
307 ok $x->close, " Close" ;
308 close FH;
309 }
310
311
312 my $uncomp;
313 {
314 title "$UncompressClass: Input from typeglob filehandle, append output";
315 my $x ;
316 ok open FH, "<$name" ;
317 ok $x = new $UncompressClass *FH, -Append => 1, Transparent => 0
318 or diag $$UnError ;
319 is $x->fileno(), fileno FH, " fileno ok" ;
320
321 1 while $x->read($uncomp) > 0 ;
322
323 ok $x->close, " close" ;
324 }
325 #exit;
326
327 is $uncomp, $hello, " expected output" ;
328 }
329
330 {
331 my $lex = new LexFile my $name ;
25f0751f 332 #my $name = "/tmp/fred";
1a6a8453 333
334 my $hello = <<EOM ;
335hello world
336this is a test
337EOM
338
339 {
340 title "Outout to stdout via '-'" ;
341
342 open(SAVEOUT, ">&STDOUT");
343 my $dummy = fileno SAVEOUT;
344 open STDOUT, ">$name" ;
345
346 my $x = new $CompressClass '-' ;
347 $x->write($hello);
348 $x->close;
349
350 open(STDOUT, ">&SAVEOUT");
351
352 ok 1, " wrote to stdout" ;
353 }
25f0751f 354 is myGZreadFile($name), $hello, " wrote OK";
355 #hexDump($name);
1a6a8453 356
357 {
358 title "Input from stdin via filename '-'";
359
360 my $x ;
361 my $uncomp ;
362 my $stdinFileno = fileno(STDIN);
363 # open below doesn't return 1 sometines on XP
364 open(SAVEIN, "<&STDIN");
365 ok open(STDIN, "<$name"), " redirect STDIN";
366 my $dummy = fileno SAVEIN;
25f0751f 367 $x = new $UncompressClass '-', Append => 1, Transparent => 0
368 or diag $$UnError ;
1a6a8453 369 ok $x, " created object" ;
370 is $x->fileno(), $stdinFileno, " fileno ok" ;
371
372 1 while $x->read($uncomp) > 0 ;
373
374 ok $x->close, " close" ;
375 open(STDIN, "<&SAVEIN");
376 is $uncomp, $hello, " expected output" ;
377 }
378 }
379
380 {
381 # write a compressed file to memory
382 # and read back
383 #========================================
384
25f0751f 385 #my $name = "test.gz" ;
386 my $lex = new LexFile my $name ;
1a6a8453 387
388 my $hello = <<EOM ;
389hello world
390this is a test
391EOM
392
393 my $buffer ;
394 {
395 my $x ;
396 ok $x = new $CompressClass(\$buffer) ;
397
25f0751f 398 ok ! defined $x->autoflush(1) ;
399 ok ! defined $x->autoflush(1) ;
1a6a8453 400 ok ! defined $x->fileno() ;
401 is $x->write(''), 0, "Write empty string is ok";
402 is $x->write(undef), 0, "Write undef is ok";
403 ok $x->write($hello) ;
404 ok $x->flush();
405 ok $x->close ;
406
407 writeFile($name, $buffer) ;
408 #is anyUncompress(\$buffer), $hello, " any ok";
409 }
410
411 my $keep = $buffer ;
412 my $uncomp;
413 {
414 my $x ;
415 ok $x = new $UncompressClass(\$buffer, Append => 1) ;
416
25f0751f 417 ok ! defined $x->autoflush(1) ;
418 ok ! defined $x->autoflush(1) ;
1a6a8453 419 ok ! defined $x->fileno() ;
420 1 while $x->read($uncomp) > 0 ;
421
422 ok $x->close ;
423 }
424
425 is $uncomp, $hello ;
426 ok $buffer eq $keep ;
427 }
428
429 if ($CompressClass ne 'RawDeflate')
430 {
431 # write empty file
432 #========================================
433
434 my $buffer = '';
435 {
436 my $x ;
437 ok $x = new $CompressClass(\$buffer) ;
438 ok $x->close ;
439
440 }
441
442 my $keep = $buffer ;
443 my $uncomp= '';
444 {
445 my $x ;
446 ok $x = new $UncompressClass(\$buffer, Append => 1) ;
447
448 1 while $x->read($uncomp) > 0 ;
449
450 ok $x->close ;
451 }
452
453 ok $uncomp eq '' ;
454 ok $buffer eq $keep ;
455
456 }
457
458 {
459 # write a larger file
460 #========================================
461
462
463 my $lex = new LexFile my $name ;
464
465 my $hello = <<EOM ;
466hello world
467this is a test
468EOM
469
470 my $input = '' ;
471 my $contents = '' ;
472
473 {
474 my $x = new $CompressClass $name ;
475 ok $x, " created $CompressClass object";
476
477 ok $x->write($hello), " write ok" ;
478 $input .= $hello ;
479 ok $x->write("another line"), " write ok" ;
480 $input .= "another line" ;
481 # all characters
482 foreach (0 .. 255)
483 { $contents .= chr int $_ }
484 # generate a long random string
485 foreach (1 .. 5000)
486 { $contents .= chr int rand 256 }
487
488 ok $x->write($contents), " write ok" ;
489 $input .= $contents ;
490 ok $x->close, " close ok" ;
491 }
492
493 ok myGZreadFile($name) eq $input ;
494 my $x = readFile($name) ;
495 #print "length " . length($x) . " \n";
496 }
497
498 {
499 # embed a compressed file in another file
500 #================================
501
502
503 my $lex = new LexFile my $name ;
504
505 my $hello = <<EOM ;
506hello world
507this is a test
508EOM
509
510 my $header = "header info\n" ;
511 my $trailer = "trailer data\n" ;
512
513 {
514 my $fh ;
515 ok $fh = new IO::File ">$name" ;
516 print $fh $header ;
517 my $x ;
518 ok $x = new $CompressClass $fh,
519 -AutoClose => 0 ;
520
521 ok $x->binmode();
522 ok $x->write($hello) ;
523 ok $x->close ;
524 print $fh $trailer ;
525 $fh->close() ;
526 }
527
528 my ($fil, $uncomp) ;
529 my $fh1 ;
530 ok $fh1 = new IO::File "<$name" ;
531 # skip leading junk
532 my $line = <$fh1> ;
533 ok $line eq $header ;
534
535 ok my $x = new $UncompressClass $fh1, Append => 1 ;
536 ok $x->binmode();
537 1 while $x->read($uncomp) > 0 ;
538
539 ok $uncomp eq $hello ;
540 my $rest ;
541 read($fh1, $rest, 5000);
542 is $x->trailingData() . $rest, $trailer ;
543 #print "# [".$x->trailingData() . "][$rest]\n" ;
544 #exit;
545
546 }
547
548 {
258133d1 549 # embed a compressed file in another buffer
550 #================================
551
552
553 my $hello = <<EOM ;
554hello world
555this is a test
556EOM
557
558 my $trailer = "trailer data" ;
559
560 my $compressed ;
561
562 {
563 ok my $x = new $CompressClass(\$compressed);
564
565 ok $x->write($hello) ;
566 ok $x->close ;
567 $compressed .= $trailer ;
568 }
569
570 my $uncomp;
571 ok my $x = new $UncompressClass(\$compressed, Append => 1) ;
572 1 while $x->read($uncomp) > 0 ;
573
574 ok $uncomp eq $hello ;
575 is $x->trailingData(), $trailer ;
576
577 }
578
579 {
1a6a8453 580 # Write
581 # these tests come almost 100% from IO::String
582
583 my $lex = new LexFile my $name ;
584
585 my $io = $CompressClass->new($name);
586
587 is $io->tell(), 0, " tell returns 0"; ;
588
589 my $heisan = "Heisan\n";
590 $io->print($heisan) ;
591
592 ok ! $io->eof(), " ! eof";
593
594 is $io->tell(), length($heisan), " tell is " . length($heisan) ;
595
596 $io->print("a", "b", "c");
597
598 {
599 local($\) = "\n";
600 $io->print("d", "e");
601 local($,) = ",";
602 $io->print("f", "g", "h");
603 }
604
605 {
606 local($\) ;
607 $io->print("D", "E");
608 local($,) = ".";
609 $io->print("F", "G", "H");
610 }
611
612 my $foo = "1234567890";
613
614 is $io->syswrite($foo, length($foo)), length($foo), " syswrite ok" ;
615 if ( $[ < 5.6 )
616 { is $io->syswrite($foo, length $foo), length $foo, " syswrite ok" }
617 else
618 { is $io->syswrite($foo), length $foo, " syswrite ok" }
619 is $io->syswrite($foo, length($foo)), length $foo, " syswrite ok";
620 is $io->write($foo, length($foo), 5), 5, " write 5";
621 is $io->write("xxx\n", 100, -1), 1, " write 1";
622
623 for (1..3) {
624 $io->printf("i(%d)", $_);
625 $io->printf("[%d]\n", $_);
626 }
627 $io->print("\n");
628
629 $io->close ;
630
631 ok $io->eof(), " eof";
632
633 is myGZreadFile($name), "Heisan\nabcde\nf,g,h\nDEF.G.H" .
634 ("1234567890" x 3) . "67890\n" .
258133d1 635 "i(1)[1]\ni(2)[2]\ni(3)[3]\n\n",
636 "myGZreadFile ok";
1a6a8453 637
638
639 }
640
641 {
642 # Read
643 my $str = <<EOT;
644This is an example
645of a paragraph
646
647
648and a single line.
649
650EOT
651
652 my $lex = new LexFile my $name ;
653
654 my %opts = () ;
655 my $iow = new $CompressClass $name, %opts;
656 $iow->print($str) ;
657 $iow->close ;
658
659 my @tmp;
660 my $buf;
661 {
662 my $io = new $UncompressClass $name ;
663
25f0751f 664 is $., 0;
665 is $io->input_line_number, 0;
258133d1 666 ok ! $io->eof, "eof";
667 is $io->tell(), 0, "tell 0" ;
1a6a8453 668 #my @lines = <$io>;
669 my @lines = $io->getlines();
670 is @lines, 6
671 or print "# Got " . scalar(@lines) . " lines, expected 6\n" ;
672 is $lines[1], "of a paragraph\n" ;
673 is join('', @lines), $str ;
674 is $., 6;
25f0751f 675 is $io->input_line_number, 6;
1a6a8453 676 is $io->tell(), length($str) ;
677
678 ok $io->eof;
679
680 ok ! ( defined($io->getline) ||
681 (@tmp = $io->getlines) ||
682 defined($io->getline) ||
683 defined($io->getc) ||
684 $io->read($buf, 100) != 0) ;
685 }
686
687
688 {
689 local $/; # slurp mode
690 my $io = $UncompressClass->new($name);
25f0751f 691 is $., 0;
692 is $io->input_line_number, 0;
1a6a8453 693 ok ! $io->eof;
694 my @lines = $io->getlines;
25f0751f 695 is $., 1;
696 is $io->input_line_number, 1;
1a6a8453 697 ok $io->eof;
698 ok @lines == 1 && $lines[0] eq $str;
699
700 $io = $UncompressClass->new($name);
701 ok ! $io->eof;
702 my $line = $io->getline();
703 ok $line eq $str;
704 ok $io->eof;
705 }
706
707 {
708 local $/ = ""; # paragraph mode
709 my $io = $UncompressClass->new($name);
25f0751f 710 is $., 0;
711 is $io->input_line_number, 0;
1a6a8453 712 ok ! $io->eof;
713 my @lines = $io->getlines();
25f0751f 714 is $., 2;
715 is $io->input_line_number, 2;
1a6a8453 716 ok $io->eof;
717 ok @lines == 2
718 or print "# Got " . scalar(@lines) . " lines, expected 2\n" ;
719 ok $lines[0] eq "This is an example\nof a paragraph\n\n\n"
720 or print "# $lines[0]\n";
721 ok $lines[1] eq "and a single line.\n\n";
722 }
723
724 {
258133d1 725 # Record mode
726 my $reclen = 7 ;
727 my $expected_records = int(length($str) / $reclen)
728 + (length($str) % $reclen ? 1 : 0);
729 local $/ = \$reclen;
730
731 my $io = $UncompressClass->new($name);
732 is $., 0;
733 is $io->input_line_number, 0;
734
735 ok ! $io->eof;
736 my @lines = $io->getlines();
737 is $., $expected_records;
738 is $io->input_line_number, $expected_records;
739 ok $io->eof;
740 is @lines, $expected_records,
741 "Got $expected_records records\n" ;
742 ok $lines[0] eq substr($str, 0, $reclen)
743 or print "# $lines[0]\n";
744 ok $lines[1] eq substr($str, $reclen, $reclen);
745 }
746
747 {
1a6a8453 748 local $/ = "is";
749 my $io = $UncompressClass->new($name);
750 my @lines = ();
751 my $no = 0;
752 my $err = 0;
753 ok ! $io->eof;
754 while (my $a = $io->getline()) {
755 push(@lines, $a);
756 $err++ if $. != ++$no;
757 }
758
759 ok $err == 0 ;
760 ok $io->eof;
761
25f0751f 762 is $., 3;
763 is $io->input_line_number, 3;
1a6a8453 764 ok @lines == 3
765 or print "# Got " . scalar(@lines) . " lines, expected 3\n" ;
766 ok join("-", @lines) eq
767 "This- is- an example\n" .
768 "of a paragraph\n\n\n" .
769 "and a single line.\n\n";
770 }
771
772
773 # Test read
774
775 {
776 my $io = $UncompressClass->new($name);
777
778
779 eval { $io->read(1) } ;
780 like $@, mkErr("buffer parameter is read-only");
781
782 is $io->read($buf, 0), 0, "Requested 0 bytes" ;
783
258133d1 784 is $io->read($buf, 3), 3 ;
785 is $buf, "Thi";
1a6a8453 786
258133d1 787 is $io->sysread($buf, 3, 2), 3 ;
788 is $buf, "Ths i"
1a6a8453 789 or print "# [$buf]\n" ;;
790 ok ! $io->eof;
791
792 # $io->seek(-4, 2);
793 #
794 # ok ! $io->eof;
795 #
796 # ok read($io, $buf, 20) == 4 ;
797 # ok $buf eq "e.\n\n";
798 #
799 # ok read($io, $buf, 20) == 0 ;
800 # ok $buf eq "";
801 #
802 # ok ! $io->eof;
803 }
804
805 }
806
807 {
808 # Read from non-compressed file
809
810 my $str = <<EOT;
811This is an example
812of a paragraph
813
814
815and a single line.
816
817EOT
818
819 my $lex = new LexFile my $name ;
820
821 writeFile($name, $str);
822 my @tmp;
823 my $buf;
824 {
825 my $io = new $UncompressClass $name, -Transparent => 1 ;
826
827 ok defined $io;
828 ok ! $io->eof;
829 ok $io->tell() == 0 ;
830 my @lines = $io->getlines();
25f0751f 831 is @lines, 6;
1a6a8453 832 ok $lines[1] eq "of a paragraph\n" ;
833 ok join('', @lines) eq $str ;
25f0751f 834 is $., 6;
835 is $io->input_line_number, 6;
1a6a8453 836 ok $io->tell() == length($str) ;
837
838 ok $io->eof;
839
840 ok ! ( defined($io->getline) ||
841 (@tmp = $io->getlines) ||
842 defined($io->getline) ||
843 defined($io->getc) ||
844 $io->read($buf, 100) != 0) ;
845 }
846
847
848 {
849 local $/; # slurp mode
850 my $io = $UncompressClass->new($name);
851 ok ! $io->eof;
852 my @lines = $io->getlines;
25f0751f 853 is $., 1;
854 is $io->input_line_number, 1;
1a6a8453 855 ok $io->eof;
856 ok @lines == 1 && $lines[0] eq $str;
857
858 $io = $UncompressClass->new($name);
859 ok ! $io->eof;
860 my $line = $io->getline;
25f0751f 861 is $., 1;
862 is $io->input_line_number, 1;
1a6a8453 863 ok $line eq $str;
864 ok $io->eof;
865 }
866
867 {
868 local $/ = ""; # paragraph mode
869 my $io = $UncompressClass->new($name);
870 ok ! $io->eof;
871 my @lines = $io->getlines;
25f0751f 872 is $., 2;
873 is $io->input_line_number, 2;
1a6a8453 874 ok $io->eof;
875 ok @lines == 2
876 or print "# exected 2 lines, got " . scalar(@lines) . "\n";
877 ok $lines[0] eq "This is an example\nof a paragraph\n\n\n"
878 or print "# [$lines[0]]\n" ;
879 ok $lines[1] eq "and a single line.\n\n";
880 }
881
882 {
258133d1 883 # Record mode
884 my $reclen = 7 ;
885 my $expected_records = int(length($str) / $reclen)
886 + (length($str) % $reclen ? 1 : 0);
887 local $/ = \$reclen;
888
889 my $io = $UncompressClass->new($name);
890 is $., 0;
891 is $io->input_line_number, 0;
892
893 ok ! $io->eof;
894 my @lines = $io->getlines();
895 is $., $expected_records;
896 is $io->input_line_number, $expected_records;
897 ok $io->eof;
898 is @lines, $expected_records,
899 "Got $expected_records records\n" ;
900 ok $lines[0] eq substr($str, 0, $reclen)
901 or print "# $lines[0]\n";
902 ok $lines[1] eq substr($str, $reclen, $reclen);
903 }
904
905 {
1a6a8453 906 local $/ = "is";
907 my $io = $UncompressClass->new($name);
908 my @lines = ();
909 my $no = 0;
910 my $err = 0;
911 ok ! $io->eof;
912 while (my $a = $io->getline) {
913 push(@lines, $a);
914 $err++ if $. != ++$no;
915 }
916
25f0751f 917 is $., 3;
918 is $io->input_line_number, 3;
1a6a8453 919 ok $err == 0 ;
920 ok $io->eof;
921
25f0751f 922
1a6a8453 923 ok @lines == 3 ;
924 ok join("-", @lines) eq
925 "This- is- an example\n" .
926 "of a paragraph\n\n\n" .
927 "and a single line.\n\n";
928 }
929
930
931 # Test read
932
933 {
934 my $io = $UncompressClass->new($name);
935
936 ok $io->read($buf, 3) == 3 ;
937 ok $buf eq "Thi";
938
939 ok $io->sysread($buf, 3, 2) == 3 ;
940 ok $buf eq "Ths i";
941 ok ! $io->eof;
942
943 # $io->seek(-4, 2);
944 #
945 # ok ! $io->eof;
946 #
947 # ok read($io, $buf, 20) == 4 ;
948 # ok $buf eq "e.\n\n";
949 #
950 # ok read($io, $buf, 20) == 0 ;
951 # ok $buf eq "";
952 #
953 # ok ! $io->eof;
954 }
955
956
957 }
958
959 {
960 # Vary the length parameter in a read
961
962 my $str = <<EOT;
963x
964x
965This is an example
966of a paragraph
967
968
969and a single line.
970
971EOT
972 $str = $str x 100 ;
973
974
975 foreach my $bufsize (1, 3, 512, 4096, length($str)-1, length($str), length($str)+1)
976 {
977 foreach my $trans (0, 1)
978 {
979 foreach my $append (0, 1)
980 {
981 title "Read Tests - buf length $bufsize, Transparent $trans, Append $append" ;
982
983 my $lex = new LexFile my $name ;
984
985 if ($trans) {
986 writeFile($name, $str) ;
987 }
988 else {
989 my $iow = new $CompressClass $name;
990 $iow->print($str) ;
991 $iow->close ;
992 }
993
994
995 my $io = $UncompressClass->new($name,
996 -Append => $append,
997 -Transparent => $trans);
998
999 my $buf;
1000
1001 is $io->tell(), 0;
1002
1003 if ($append) {
1004 1 while $io->read($buf, $bufsize) > 0;
1005 }
1006 else {
1007 my $tmp ;
1008 $buf .= $tmp while $io->read($tmp, $bufsize) > 0 ;
1009 }
1010 is length $buf, length $str;
1011 ok $buf eq $str ;
1012 ok ! $io->error() ;
1013 ok $io->eof;
1014 }
1015 }
1016 }
1017 }
1018
1019 foreach my $file (0, 1)
1020 {
1021 foreach my $trans (0, 1)
1022 {
1023 title "seek tests - file $file trans $trans" ;
1024
1025 my $buffer ;
1026 my $buff ;
1027 my $lex = new LexFile my $name ;
1028
1029 my $first = "beginning" ;
1030 my $last = "the end" ;
1031
1032 if ($trans)
1033 {
1034 $buffer = $first . "\x00" x 10 . $last;
1035 writeFile($name, $buffer);
1036 }
1037 else
1038 {
1039 my $output ;
1040 if ($file)
1041 {
1042 $output = $name ;
1043 }
1044 else
1045 {
1046 $output = \$buffer;
1047 }
1048
1049 my $iow = new $CompressClass $output ;
1050 $iow->print($first) ;
1051 ok $iow->seek(5, SEEK_CUR) ;
1052 ok $iow->tell() == length($first)+5;
1053 ok $iow->seek(0, SEEK_CUR) ;
1054 ok $iow->tell() == length($first)+5;
1055 ok $iow->seek(length($first)+10, SEEK_SET) ;
1056 ok $iow->tell() == length($first)+10;
1057
1058 $iow->print($last) ;
1059 $iow->close ;
1060 }
1061
1062 my $input ;
1063 if ($file)
1064 {
1065 $input = $name ;
1066 }
1067 else
1068 {
1069 $input = \$buffer ;
1070 }
1071
1072 ok myGZreadFile($input) eq $first . "\x00" x 10 . $last ;
1073
1074 my $io = $UncompressClass->new($input, Strict => 1);
25f0751f 1075 ok $io->seek(length($first), SEEK_CUR)
1076 or diag $$UnError ;
1a6a8453 1077 ok ! $io->eof;
1078 is $io->tell(), length($first);
1079
1080 ok $io->read($buff, 5) ;
1081 is $buff, "\x00" x 5 ;
1082 is $io->tell(), length($first) + 5;
1083
1084 ok $io->seek(0, SEEK_CUR) ;
1085 my $here = $io->tell() ;
1086 is $here, length($first)+5;
1087
1088 ok $io->seek($here+5, SEEK_SET) ;
1089 is $io->tell(), $here+5 ;
1090 ok $io->read($buff, 100) ;
1091 ok $buff eq $last ;
1092 ok $io->eof;
1093 }
1094 }
1095
1096 {
1097 title "seek error cases" ;
1098
1099 my $b ;
1100 my $a = new $CompressClass(\$b) ;
1101
1102 ok ! $a->error() ;
1103 eval { $a->seek(-1, 10) ; };
1104 like $@, mkErr("^${CompressClass}::seek: unknown value, 10, for whence parameter");
1105
1106 eval { $a->seek(-1, SEEK_END) ; };
1107 like $@, mkErr("^${CompressClass}::seek: cannot seek backwards");
1108
1109 $a->write("fred");
1110 $a->close ;
1111
1112
1113 my $u = new $UncompressClass(\$b) ;
1114
1115 eval { $u->seek(-1, 10) ; };
1116 like $@, mkErr("^${UncompressClass}::seek: unknown value, 10, for whence parameter");
1117
1118 eval { $u->seek(-1, SEEK_END) ; };
1119 like $@, mkErr("^${UncompressClass}::seek: SEEK_END not allowed");
1120
1121 eval { $u->seek(-1, SEEK_CUR) ; };
1122 like $@, mkErr("^${UncompressClass}::seek: cannot seek backwards");
1123 }
1124
1125 foreach my $fb (qw(filename buffer filehandle))
1126 {
1127 foreach my $append (0, 1)
1128 {
1129 {
1130 title "$CompressClass -- Append $append, Output to $fb" ;
1131
1132 my $lex = new LexFile my $name ;
1133
1134 my $already = 'already';
1135 my $buffer = $already;
1136 my $output;
1137
1138 if ($fb eq 'buffer')
1139 { $output = \$buffer }
1140 elsif ($fb eq 'filename')
1141 {
1142 $output = $name ;
1143 writeFile($name, $buffer);
1144 }
1145 elsif ($fb eq 'filehandle')
1146 {
1147 $output = new IO::File ">$name" ;
1148 print $output $buffer;
1149 }
1150
1151 my $a = new $CompressClass($output, Append => $append) ;
1152 ok $a, " Created $CompressClass";
1153 my $string = "appended";
1154 $a->write($string);
1155 $a->close ;
1156
1157 my $data ;
1158 if ($fb eq 'buffer')
1159 {
1160 $data = $buffer;
1161 }
1162 else
1163 {
1164 $output->close
1165 if $fb eq 'filehandle';
1166 $data = readFile($name);
1167 }
1168
1169 if ($append || $fb eq 'filehandle')
1170 {
1171 is substr($data, 0, length($already)), $already, " got prefix";
1172 substr($data, 0, length($already)) = '';
1173 }
1174
1175
1176 my $uncomp;
1177 my $x = new $UncompressClass(\$data, Append => 1) ;
1178 ok $x, " created $UncompressClass";
1179
1180 my $len ;
1181 1 while ($len = $x->read($uncomp)) > 0 ;
1182
1183 $x->close ;
1184 is $uncomp, $string, ' Got uncompressed data' ;
1185
1186 }
1187 }
1188 }
1189
1190 foreach my $type (qw(buffer filename filehandle))
1191 {
2b4e0969 1192 foreach my $good (0, 1)
1193 {
1194 title "$UncompressClass -- InputLength, read from $type, good data => $good";
1a6a8453 1195
2b4e0969 1196 my $compressed ;
1197 my $string = "some data";
1198 my $appended = "append";
1a6a8453 1199
2b4e0969 1200 if ($good)
1201 {
1202 my $c = new $CompressClass(\$compressed);
1203 $c->write($string);
1204 $c->close();
1205 }
1206 else
1207 {
1208 $compressed = $string ;
1209 }
1a6a8453 1210
2b4e0969 1211 my $comp_len = length $compressed;
1212 $compressed .= $appended;
1a6a8453 1213
2b4e0969 1214 my $lex = new LexFile my $name ;
1215 my $input ;
1216 writeFile ($name, $compressed);
1a6a8453 1217
2b4e0969 1218 if ($type eq 'buffer')
1219 {
1220 $input = \$compressed;
1221 }
1222 if ($type eq 'filename')
1223 {
1224 $input = $name;
1225 }
1226 elsif ($type eq 'filehandle')
1227 {
1228 my $fh = new IO::File "<$name" ;
1229 ok $fh, "opened file $name ok";
1230 $input = $fh ;
1231 }
1a6a8453 1232
2b4e0969 1233 my $x = new $UncompressClass($input,
1234 InputLength => $comp_len,
1235 Transparent => 1) ;
1236 ok $x, " created $UncompressClass";
1a6a8453 1237
2b4e0969 1238 my $len ;
1239 my $output;
1240 $len = $x->read($output, 100);
1241
1242 is $len, length($string);
1243 is $output, $string;
1244
1245 if ($type eq 'filehandle')
1246 {
1247 my $rest ;
1248 $input->read($rest, 1000);
1249 is $rest, $appended;
1250 }
1a6a8453 1251 }
1252
1253
1254 }
1255
1256 foreach my $append (0, 1)
1257 {
1258 title "$UncompressClass -- Append $append" ;
1259
1260 my $lex = new LexFile my $name ;
1261
1262 my $string = "appended";
1263 my $compressed ;
1264 my $c = new $CompressClass(\$compressed);
1265 $c->write($string);
1266 $c->close();
1267
1268 my $x = new $UncompressClass(\$compressed, Append => $append) ;
1269 ok $x, " created $UncompressClass";
1270
1271 my $already = 'already';
1272 my $output = $already;
1273
1274 my $len ;
1275 $len = $x->read($output, 100);
1276 is $len, length($string);
1277
1278 $x->close ;
1279
1280 if ($append)
1281 {
1282 is substr($output, 0, length($already)), $already, " got prefix";
1283 substr($output, 0, length($already)) = '';
1284 }
1285 is $output, $string, ' Got uncompressed data' ;
1286 }
1287
1288
1289 foreach my $file (0, 1)
1290 {
1291 foreach my $trans (0, 1)
1292 {
1293 title "ungetc, File $file, Transparent $trans" ;
1294
1295 my $lex = new LexFile my $name ;
1296
1297 my $string = 'abcdeABCDE';
1298 my $b ;
1299 if ($trans)
1300 {
1301 $b = $string ;
1302 }
1303 else
1304 {
1305 my $a = new $CompressClass(\$b) ;
1306 $a->write($string);
1307 $a->close ;
1308 }
1309
1310 my $from ;
1311 if ($file)
1312 {
1313 writeFile($name, $b);
1314 $from = $name ;
1315 }
1316 else
1317 {
1318 $from = \$b ;
1319 }
1320
1321 my $u = $UncompressClass->new($from, Transparent => 1) ;
1322 my $first;
1323 my $buff ;
1324
1325 # do an ungetc before reading
1326 $u->ungetc("X");
1327 $first = $u->getc();
1328 is $first, 'X';
1329
1330 $first = $u->getc();
1331 is $first, substr($string, 0,1);
1332 $u->ungetc($first);
1333 $first = $u->getc();
1334 is $first, substr($string, 0,1);
1335 $u->ungetc($first);
1336
1337 is $u->read($buff, 5), 5 ;
1338 is $buff, substr($string, 0, 5);
1339
1340 $u->ungetc($buff) ;
1341 is $u->read($buff, length($string)), length($string) ;
1342 is $buff, $string;
1343
1344 is $u->read($buff, 1), 0;
1345 ok $u->eof() ;
1346
1347 my $extra = 'extra';
1348 $u->ungetc($extra);
1349 ok ! $u->eof();
1350 is $u->read($buff), length($extra) ;
1351 is $buff, $extra;
1352
1353 is $u->read($buff, 1), 0;
1354 ok $u->eof() ;
1355
cb7abd7f 1356 # getc returns undef on eof
1357 is $u->getc(), undef;
1a6a8453 1358 $u->close();
1359
1360 }
1361 }
1362
1363
1364 {
1365 title "write tests - invalid data" ;
1366
1367 #my $lex = new LexFile my $name1 ;
1368 my($Answer);
1369
1370 #ok ! -e $name1, " File $name1 does not exist";
1371
1372 my @data = (
1373 [ '{ }', "${CompressClass}::write: input parameter not a filename, filehandle, array ref or scalar ref" ],
1374 [ '[ { } ]', "${CompressClass}::write: input parameter not a filename, filehandle, array ref or scalar ref" ],
1375 [ '[ [ { } ] ]', "${CompressClass}::write: input parameter not a filename, filehandle, array ref or scalar ref" ],
1376 [ '[ "" ]', "${CompressClass}::write: input filename is undef or null string" ],
1377 [ '[ undef ]', "${CompressClass}::write: input filename is undef or null string" ],
1378 [ '[ \$Answer ]',"${CompressClass}::write: input and output buffer are identical" ],
1379 #[ "not readable", 'xx' ],
1380 # same filehandle twice, 'xx'
1381 ) ;
1382
1383 foreach my $data (@data)
1384 {
1385 my ($send, $get) = @$data ;
1386 title "${CompressClass}::write( $send )";
1387 my($copy);
1388 eval "\$copy = $send";
1389 my $x = new $CompressClass(\$Answer);
1390 ok $x, " Created $CompressClass object";
1391 eval { $x->write($copy) } ;
1392 #like $@, "/^$get/", " error - $get";
1393 like $@, "/not a scalar reference /", " error - not a scalar reference";
1394 }
1395
1396 # @data = (
1397 # [ '[ $name1 ]', "input file '$name1' does not exist" ],
1398 # #[ "not readable", 'xx' ],
1399 # # same filehandle twice, 'xx'
1400 # ) ;
1401 #
1402 # foreach my $data (@data)
1403 # {
1404 # my ($send, $get) = @$data ;
1405 # title "${CompressClass}::write( $send )";
1406 # my $copy;
1407 # eval "\$copy = $send";
1408 # my $x = new $CompressClass(\$Answer);
1409 # ok $x, " Created $CompressClass object";
1410 # ok ! $x->write($copy), " write fails" ;
1411 # like $$Error, "/^$get/", " error - $get";
1412 # }
1413
1414 #exit;
1415
1416 }
1417
1418
1419 # sub deepCopy
1420 # {
1421 # if (! ref $_[0] || ref $_[0] eq 'SCALAR')
1422 # {
1423 # return $_[0] ;
1424 # }
1425 #
1426 # if (ref $_[0] eq 'ARRAY')
1427 # {
1428 # my @a ;
1429 # for my $x ( @{ $_[0] })
1430 # {
1431 # push @a, deepCopy($x);
1432 # }
1433 #
1434 # return \@a ;
1435 # }
1436 #
1437 # croak "bad! $_[0]";
1438 #
1439 # }
1440 #
1441 # sub deepSubst
1442 # {
1443 # #my $data = shift ;
1444 # my $from = $_[1] ;
1445 # my $to = $_[2] ;
1446 #
1447 # if (! ref $_[0])
1448 # {
1449 # $_[0] = $to
1450 # if $_[0] eq $from ;
1451 # return ;
1452 #
1453 # }
1454 #
1455 # if (ref $_[0] eq 'SCALAR')
1456 # {
1457 # $_[0] = \$to
1458 # if defined ${ $_[0] } && ${ $_[0] } eq $from ;
1459 # return ;
1460 #
1461 # }
1462 #
1463 # if (ref $_[0] eq 'ARRAY')
1464 # {
1465 # for my $x ( @{ $_[0] })
1466 # {
1467 # deepSubst($x, $from, $to);
1468 # }
1469 # return ;
1470 # }
1471 # #croak "bad! $_[0]";
1472 # }
1473
1474 # {
1475 # title "More write tests" ;
1476 #
1477 # my $file1 = "file1" ;
1478 # my $file2 = "file2" ;
1479 # my $file3 = "file3" ;
1480 # my $lex = new LexFile $file1, $file2, $file3 ;
1481 #
1482 # writeFile($file1, "F1");
1483 # writeFile($file2, "F2");
1484 # writeFile($file3, "F3");
1485 #
1486 # my @data = (
1487 # [ '""', "" ],
1488 # [ 'undef', "" ],
1489 # [ '"abcd"', "abcd" ],
1490 #
1491 # [ '\""', "" ],
1492 # [ '\undef', "" ],
1493 # [ '\"abcd"', "abcd" ],
1494 #
1495 # [ '[]', "" ],
1496 # [ '[[]]', "" ],
1497 # [ '[[[]]]', "" ],
1498 # [ '[\""]', "" ],
1499 # [ '[\undef]', "" ],
1500 # [ '[\"abcd"]', "abcd" ],
1501 # [ '[\"ab", \"cd"]', "abcd" ],
1502 # [ '[[\"ab"], [\"cd"]]', "abcd" ],
1503 #
1504 # [ '$file1', $file1 ],
1505 # [ '$fh2', "F2" ],
1506 # [ '[$file1, \"abc"]', "F1abc"],
1507 # [ '[\"a", $file1, \"bc"]', "aF1bc"],
1508 # [ '[\"a", $fh1, \"bc"]', "aF1bc"],
1509 # [ '[\"a", $fh1, \"bc", $file2]', "aF1bcF2"],
1510 # [ '[\"a", $fh1, \"bc", $file2, $fh3]', "aF1bcF2F3"],
1511 # ) ;
1512 #
1513 #
1514 # foreach my $data (@data)
1515 # {
1516 # my ($send, $get) = @$data ;
1517 #
1518 # my $fh1 = new IO::File "< $file1" ;
1519 # my $fh2 = new IO::File "< $file2" ;
1520 # my $fh3 = new IO::File "< $file3" ;
1521 #
1522 # title "${CompressClass}::write( $send )";
1523 # my $copy;
1524 # eval "\$copy = $send";
1525 # my $Answer ;
1526 # my $x = new $CompressClass(\$Answer);
1527 # ok $x, " Created $CompressClass object";
1528 # my $len = length $get;
1529 # is $x->write($copy), length($get), " write $len bytes";
1530 # ok $x->close(), " close ok" ;
1531 #
1532 # is myGZreadFile(\$Answer), $get, " got expected output" ;
1533 # cmp_ok $$Error, '==', 0, " no error";
1534 #
1535 #
1536 # }
1537 #
1538 # }
1539 }
1540
1541}
1542
15431;
1544
1545
1546
1547
25f0751f 1548
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