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 | use IO::File ; |
16 | |
17 | BEGIN { |
18 | # use Test::NoWarnings, if available |
19 | my $extra = 0 ; |
20 | $extra = 1 |
21 | if eval { require Test::NoWarnings ; import Test::NoWarnings; 1 }; |
22 | |
23 | plan tests => 208 + $extra ; |
24 | |
25 | use_ok('Compress::Zlib', 2) ; |
26 | use_ok('Compress::Gzip::Constants') ; |
27 | |
28 | use_ok('IO::Compress::Gzip', qw($GzipError)) ; |
29 | } |
30 | |
31 | |
32 | my $hello = <<EOM ; |
33 | hello world |
34 | this is a test |
35 | EOM |
36 | |
37 | my $len = length $hello ; |
38 | |
39 | # Check zlib_version and ZLIB_VERSION are the same. |
40 | is Compress::Zlib::zlib_version, ZLIB_VERSION, |
41 | "ZLIB_VERSION matches Compress::Zlib::zlib_version" ; |
42 | |
43 | # gzip tests |
44 | #=========== |
45 | |
46 | my $name = "test.gz" ; |
47 | my ($x, $uncomp) ; |
48 | |
49 | ok my $fil = gzopen($name, "wb") ; |
50 | |
51 | is $gzerrno, 0, 'gzerrno is 0'; |
52 | is $fil->gzerror(), 0, "gzerror() returned 0"; |
53 | |
54 | is $fil->gztell(), 0, "gztell returned 0"; |
55 | is $gzerrno, 0, 'gzerrno is 0'; |
56 | |
57 | is $fil->gzwrite($hello), $len ; |
58 | is $gzerrno, 0, 'gzerrno is 0'; |
59 | |
60 | is $fil->gztell(), $len, "gztell returned $len"; |
61 | is $gzerrno, 0, 'gzerrno is 0'; |
62 | |
63 | ok ! $fil->gzclose ; |
64 | |
65 | ok $fil = gzopen($name, "rb") ; |
66 | |
67 | ok ! $fil->gzeof() ; |
68 | is $gzerrno, 0, 'gzerrno is 0'; |
69 | is $fil->gztell(), 0; |
70 | |
71 | is $fil->gzread($uncomp), $len; |
72 | |
73 | is $fil->gztell(), $len; |
74 | ok $fil->gzeof() ; |
75 | ok ! $fil->gzclose ; |
76 | ok $fil->gzeof() ; |
77 | |
78 | unlink $name ; |
79 | |
80 | ok $hello eq $uncomp ; |
81 | |
82 | # check that a number can be gzipped |
83 | my $number = 7603 ; |
84 | my $num_len = 4 ; |
85 | |
86 | ok $fil = gzopen($name, "wb") ; |
87 | |
88 | is $gzerrno, 0; |
89 | |
90 | is $fil->gzwrite($number), $num_len, "gzwrite returned $num_len" ; |
91 | is $gzerrno, 0, 'gzerrno is 0'; |
92 | ok $fil->gzflush(Z_FINISH) ; |
93 | |
94 | is $gzerrno, 0, 'gzerrno is 0'; |
95 | |
96 | ok ! $fil->gzclose ; |
97 | |
98 | cmp_ok $gzerrno, '==', 0; |
99 | |
100 | ok $fil = gzopen($name, "rb") ; |
101 | |
102 | ok (($x = $fil->gzread($uncomp)) == $num_len) ; |
103 | |
104 | ok $fil->gzerror() == 0 || $fil->gzerror() == Z_STREAM_END; |
105 | ok $gzerrno == 0 || $gzerrno == Z_STREAM_END; |
106 | ok $fil->gzeof() ; |
107 | |
108 | ok ! $fil->gzclose ; |
109 | ok $fil->gzeof() ; |
110 | |
111 | ok $gzerrno == 0 |
112 | or print "# gzerrno is $gzerrno\n" ; |
113 | |
114 | unlink $name ; |
115 | |
116 | ok $number == $uncomp ; |
117 | ok $number eq $uncomp ; |
118 | |
119 | |
120 | # now a bigger gzip test |
121 | |
122 | my $text = 'text' ; |
123 | my $file = "$text.gz" ; |
124 | |
125 | ok my $f = gzopen($file, "wb") ; |
126 | |
127 | # generate a long random string |
128 | my $contents = '' ; |
129 | foreach (1 .. 5000) |
130 | { $contents .= chr int rand 256 } |
131 | |
132 | $len = length $contents ; |
133 | |
134 | ok $f->gzwrite($contents) == $len ; |
135 | |
136 | ok ! $f->gzclose ; |
137 | |
138 | ok $f = gzopen($file, "rb") ; |
139 | |
140 | ok ! $f->gzeof() ; |
141 | |
142 | my $uncompressed ; |
143 | is $f->gzread($uncompressed, $len), $len ; |
144 | |
145 | ok $contents eq $uncompressed |
146 | |
147 | or print "# Length orig $len" . |
148 | ", Length uncompressed " . length($uncompressed) . "\n" ; |
149 | |
150 | ok $f->gzeof() ; |
151 | ok ! $f->gzclose ; |
152 | |
153 | unlink($file) ; |
154 | |
155 | # gzip - readline tests |
156 | # ====================== |
157 | |
158 | # first create a small gzipped text file |
159 | $name = "test.gz" ; |
160 | my @text = (<<EOM, <<EOM, <<EOM, <<EOM) ; |
161 | this is line 1 |
162 | EOM |
163 | the second line |
164 | EOM |
165 | the line after the previous line |
166 | EOM |
167 | the final line |
168 | EOM |
169 | |
170 | $text = join("", @text) ; |
171 | |
172 | ok $fil = gzopen($name, "wb") ; |
173 | ok $fil->gzwrite($text) == length $text ; |
174 | ok ! $fil->gzclose ; |
175 | |
176 | # now try to read it back in |
177 | ok $fil = gzopen($name, "rb") ; |
178 | ok ! $fil->gzeof() ; |
179 | my $line = ''; |
180 | for my $i (0 .. @text -2) |
181 | { |
182 | ok $fil->gzreadline($line) > 0; |
183 | ok $line eq $text[$i] ; |
184 | ok ! $fil->gzeof() ; |
185 | } |
186 | |
187 | # now read the last line |
188 | ok $fil->gzreadline($line) > 0; |
189 | ok $line eq $text[-1] ; |
190 | ok $fil->gzeof() ; |
191 | |
192 | # read past the eof |
193 | is $fil->gzreadline($line), 0; |
194 | |
195 | ok $fil->gzeof() ; |
196 | ok ! $fil->gzclose ; |
197 | ok $fil->gzeof() ; |
198 | unlink($name) ; |
199 | |
200 | # a text file with a very long line (bigger than the internal buffer) |
201 | my $line1 = ("abcdefghijklmnopq" x 2000) . "\n" ; |
202 | my $line2 = "second line\n" ; |
203 | $text = $line1 . $line2 ; |
204 | ok $fil = gzopen($name, "wb") ; |
205 | ok $fil->gzwrite($text) == length $text ; |
206 | ok ! $fil->gzclose ; |
207 | |
208 | # now try to read it back in |
209 | ok $fil = gzopen($name, "rb") ; |
210 | ok ! $fil->gzeof() ; |
211 | my $i = 0 ; |
212 | my @got = (); |
213 | while ($fil->gzreadline($line) > 0) { |
214 | $got[$i] = $line ; |
215 | ++ $i ; |
216 | } |
217 | ok $i == 2 ; |
218 | ok $got[0] eq $line1 ; |
219 | ok $got[1] eq $line2 ; |
220 | |
221 | ok $fil->gzeof() ; |
222 | ok ! $fil->gzclose ; |
223 | ok $fil->gzeof() ; |
224 | |
225 | unlink $name ; |
226 | |
227 | # a text file which is not termined by an EOL |
228 | |
229 | $line1 = "hello hello, I'm back again\n" ; |
230 | $line2 = "there is no end in sight" ; |
231 | |
232 | $text = $line1 . $line2 ; |
233 | ok $fil = gzopen($name, "wb") ; |
234 | ok $fil->gzwrite($text) == length $text ; |
235 | ok ! $fil->gzclose ; |
236 | |
237 | # now try to read it back in |
238 | ok $fil = gzopen($name, "rb") ; |
239 | @got = () ; $i = 0 ; |
240 | while ($fil->gzreadline($line) > 0) { |
241 | $got[$i] = $line ; |
242 | ++ $i ; |
243 | } |
244 | ok $i == 2 ; |
245 | ok $got[0] eq $line1 ; |
246 | ok $got[1] eq $line2 ; |
247 | |
248 | ok $fil->gzeof() ; |
249 | ok ! $fil->gzclose ; |
250 | |
251 | unlink $name ; |
252 | |
253 | { |
254 | |
255 | title 'mix gzread and gzreadline'; |
256 | |
257 | # case 1: read a line, then a block. The block is |
258 | # smaller than the internal block used by |
259 | # gzreadline |
260 | my $name = "test.gz" ; |
261 | my $lex = new LexFile $name ; |
262 | $line1 = "hello hello, I'm back again\n" ; |
263 | $line2 = "abc" x 200 ; |
264 | my $line3 = "def" x 200 ; |
265 | |
266 | $text = $line1 . $line2 . $line3 ; |
267 | ok $fil = gzopen($name, "wb"), ' gzopen for write ok' ; |
268 | is $fil->gzwrite($text), length $text, ' gzwrite ok' ; |
269 | is $fil->gztell(), length $text, ' gztell ok' ; |
270 | ok ! $fil->gzclose, ' gzclose ok' ; |
271 | |
272 | # now try to read it back in |
273 | ok $fil = gzopen($name, "rb"), ' gzopen for read ok' ; |
274 | ok ! $fil->gzeof(), ' !gzeof' ; |
275 | cmp_ok $fil->gzreadline($line), '>', 0, ' gzreadline' ; |
276 | is $fil->gztell(), length $line1, ' gztell ok' ; |
277 | ok ! $fil->gzeof(), ' !gzeof' ; |
278 | is $line, $line1, ' got expected line' ; |
279 | cmp_ok $fil->gzread($line, length $line2), '>', 0, ' gzread ok' ; |
280 | is $fil->gztell(), length($line1)+length($line2), ' gztell ok' ; |
281 | ok ! $fil->gzeof(), ' !gzeof' ; |
282 | is $line, $line2, ' read expected block' ; |
283 | cmp_ok $fil->gzread($line, length $line3), '>', 0, ' gzread ok' ; |
284 | is $fil->gztell(), length($text), ' gztell ok' ; |
285 | ok $fil->gzeof(), ' !gzeof' ; |
286 | is $line, $line3, ' read expected block' ; |
287 | ok ! $fil->gzclose, ' gzclose' ; |
288 | } |
289 | |
290 | { |
291 | title "Pass gzopen a filehandle - use IO::File" ; |
292 | |
293 | my $name = "test.gz" ; |
294 | my $lex = new LexFile $name ; |
295 | |
296 | my $hello = "hello" ; |
297 | my $len = length $hello ; |
298 | |
299 | unlink $name ; |
300 | |
301 | my $f = new IO::File ">$name" ; |
302 | ok $f; |
303 | |
304 | ok my $fil = gzopen($f, "wb") ; |
305 | |
306 | ok $fil->gzwrite($hello) == $len ; |
307 | |
308 | ok ! $fil->gzclose ; |
309 | |
310 | $f = new IO::File "<$name" ; |
311 | ok $fil = gzopen($name, "rb") ; |
312 | |
313 | my $uncmomp; |
314 | ok (($x = $fil->gzread($uncomp)) == $len) |
315 | or print "# length $x, expected $len\n" ; |
316 | |
317 | ok $fil->gzeof() ; |
318 | ok ! $fil->gzclose ; |
319 | ok $fil->gzeof() ; |
320 | |
321 | unlink $name ; |
322 | |
323 | ok $hello eq $uncomp ; |
324 | |
325 | |
326 | } |
327 | |
328 | |
329 | { |
330 | title "Pass gzopen a filehandle - use open" ; |
331 | |
332 | my $name = "test.gz" ; |
333 | my $lex = new LexFile $name ; |
334 | |
335 | my $hello = "hello" ; |
336 | my $len = length $hello ; |
337 | |
338 | unlink $name ; |
339 | |
340 | open F, ">$name" ; |
341 | |
342 | ok my $fil = gzopen(*F, "wb") ; |
343 | |
344 | is $fil->gzwrite($hello), $len ; |
345 | |
346 | ok ! $fil->gzclose ; |
347 | |
348 | open F, "<$name" ; |
349 | ok $fil = gzopen(*F, "rb") ; |
350 | |
351 | my $uncmomp; |
352 | $x = $fil->gzread($uncomp); |
353 | is $x, $len ; |
354 | |
355 | ok $fil->gzeof() ; |
356 | ok ! $fil->gzclose ; |
357 | ok $fil->gzeof() ; |
358 | |
359 | unlink $name ; |
360 | |
361 | ok $hello eq $uncomp ; |
362 | |
363 | |
364 | } |
365 | |
366 | foreach my $stdio ( ['-', '-'], [*STDIN, *STDOUT]) |
367 | { |
368 | my $stdin = $stdio->[0]; |
369 | my $stdout = $stdio->[1]; |
370 | |
371 | title "Pass gzopen a filehandle - use $stdin" ; |
372 | |
373 | my $name = "test.gz" ; |
374 | my $lex = new LexFile $name ; |
375 | |
376 | my $hello = "hello" ; |
377 | my $len = length $hello ; |
378 | |
379 | unlink $name ; |
380 | |
381 | ok open(SAVEOUT, ">&STDOUT"), " save STDOUT"; |
382 | my $dummy = fileno SAVEOUT; |
383 | ok open(STDOUT, ">$name"), " redirect STDOUT" ; |
384 | |
385 | my $status = 0 ; |
386 | |
387 | my $fil = gzopen($stdout, "wb") ; |
388 | |
389 | $status = $fil && |
390 | ($fil->gzwrite($hello) == $len) && |
391 | ($fil->gzclose == 0) ; |
392 | |
393 | open(STDOUT, ">&SAVEOUT"); |
394 | |
395 | ok $status, " wrote to stdout"; |
396 | |
397 | open(SAVEIN, "<&STDIN"); |
398 | ok open(STDIN, "<$name"), " redirect STDIN"; |
399 | $dummy = fileno SAVEIN; |
400 | |
401 | ok $fil = gzopen($stdin, "rb") ; |
402 | |
403 | my $uncmomp; |
404 | ok (($x = $fil->gzread($uncomp)) == $len) |
405 | or print "# length $x, expected $len\n" ; |
406 | |
407 | ok $fil->gzeof() ; |
408 | ok ! $fil->gzclose ; |
409 | ok $fil->gzeof() ; |
410 | |
411 | open(STDIN, "<&SAVEIN"); |
412 | |
413 | unlink $name ; |
414 | |
415 | ok $hello eq $uncomp ; |
416 | |
417 | |
418 | } |
419 | |
420 | { |
421 | title 'test parameters for gzopen'; |
422 | my $name = "test.gz" ; |
423 | my $lex = new LexFile $name ; |
424 | |
425 | my $fil; |
426 | |
427 | unlink $name ; |
428 | |
429 | # missing parameters |
430 | eval ' $fil = gzopen() ' ; |
431 | like $@, mkEvalErr('Not enough arguments for Compress::Zlib::gzopen'), |
432 | ' gzopen with missing mode fails' ; |
433 | |
434 | # unknown parameters |
435 | $fil = gzopen($name, "xy") ; |
436 | ok ! defined $fil, ' gzopen with unknown mode fails' ; |
437 | |
438 | $fil = gzopen($name, "ab") ; |
439 | ok $fil, ' gzopen with mode "ab" is ok' ; |
440 | |
441 | $fil = gzopen($name, "wb6") ; |
442 | ok $fil, ' gzopen with mode "wb6" is ok' ; |
443 | |
444 | $fil = gzopen($name, "wbf") ; |
445 | ok $fil, ' gzopen with mode "wbf" is ok' ; |
446 | |
447 | $fil = gzopen($name, "wbh") ; |
448 | ok $fil, ' gzopen with mode "wbh" is ok' ; |
449 | } |
450 | |
451 | { |
452 | title 'Read operations when opened for writing'; |
453 | |
454 | my $name = "test.gz" ; |
455 | my $lex = new LexFile $name ; |
456 | ok $fil = gzopen($name, "wb"), ' gzopen for writing' ; |
457 | ok !$fil->gzeof(), ' !eof'; ; |
458 | is $fil->gzread(), Z_STREAM_ERROR, " gzread returns Z_STREAM_ERROR" ; |
459 | } |
460 | |
461 | { |
462 | title 'write operations when opened for reading'; |
463 | |
464 | my $name = "test.gz" ; |
465 | my $lex = new LexFile $name ; |
466 | my $test = "hello" ; |
467 | ok $fil = gzopen($name, "wb"), " gzopen for writing" ; |
468 | is $fil->gzwrite($text), length $text, " gzwrite ok" ; |
469 | ok ! $fil->gzclose, " gzclose ok" ; |
470 | |
471 | ok $fil = gzopen($name, "rb"), " gzopen for reading" ; |
472 | is $fil->gzwrite(), Z_STREAM_ERROR, " gzwrite returns Z_STREAM_ERROR" ; |
473 | } |
474 | |
475 | { |
476 | title 'read/write a non-readable/writable file'; |
477 | |
478 | SKIP: |
479 | { |
480 | my $name ; |
481 | my $lex = new LexFile $name ; |
482 | writeFile($name, "abc"); |
483 | chmod 0444, $name ; |
484 | |
485 | skip "Cannot create non-writable file", 3 |
486 | if -w $name ; |
487 | |
488 | ok ! -w $name, " input file not writable"; |
489 | |
490 | my $fil = gzopen($name, "wb") ; |
491 | ok !$fil, " gzopen returns undef" ; |
492 | ok $gzerrno, " gzerrno ok" or |
493 | diag " gzerrno $gzerrno\n"; |
494 | |
495 | chmod 0777, $name ; |
496 | } |
497 | |
498 | SKIP: |
499 | { |
500 | my $name ; |
501 | my $lex = new LexFile $name ; |
502 | writeFile($name, "abc"); |
503 | chmod 0222, $name ; |
504 | |
505 | skip "Cannot create non-readable file", 3 |
506 | if -r $name ; |
507 | |
508 | ok ! -r $name, " input file not readable"; |
509 | $gzerrno = 0; |
510 | $fil = gzopen($name, "rb") ; |
511 | ok !$fil, " gzopen returns undef" ; |
512 | ok $gzerrno, " gzerrno ok"; |
513 | chmod 0777, $name ; |
514 | } |
515 | |
516 | } |
517 | |
518 | { |
519 | title "gzseek" ; |
520 | |
521 | my $buff ; |
522 | my $name ;#= "test.gz" ; |
523 | my $lex = new LexFile $name ; |
524 | |
525 | my $first = "beginning" ; |
526 | my $last = "the end" ; |
527 | my $iow = gzopen($name, "w"); |
528 | $iow->gzwrite($first) ; |
529 | ok $iow->gzseek(5, SEEK_CUR) ; |
530 | is $iow->gztell(), length($first)+5; |
531 | ok $iow->gzseek(0, SEEK_CUR) ; |
532 | is $iow->gztell(), length($first)+5; |
533 | ok $iow->gzseek(length($first)+10, SEEK_SET) ; |
534 | is $iow->gztell(), length($first)+10; |
535 | |
536 | $iow->gzwrite($last) ; |
537 | $iow->gzclose ; |
538 | |
539 | ok GZreadFile($name) eq $first . "\x00" x 10 . $last ; |
540 | |
541 | my $io = gzopen($name, "r"); |
542 | ok $io->gzseek(length($first), SEEK_CUR) ; |
543 | ok ! $io->gzeof; |
544 | is $io->gztell(), length($first); |
545 | |
546 | ok $io->gzread($buff, 5) ; |
547 | is $buff, "\x00" x 5 ; |
548 | is $io->gztell(), length($first) + 5; |
549 | |
550 | is $io->gzread($buff, 0), 0 ; |
551 | #is $buff, "\x00" x 5 ; |
552 | is $io->gztell(), length($first) + 5; |
553 | |
554 | ok $io->gzseek(0, SEEK_CUR) ; |
555 | my $here = $io->gztell() ; |
556 | is $here, length($first)+5; |
557 | |
558 | ok $io->gzseek($here+5, SEEK_SET) ; |
559 | is $io->gztell(), $here+5 ; |
560 | ok $io->gzread($buff, 100) ; |
561 | ok $buff eq $last ; |
562 | ok $io->gzeof; |
563 | } |
564 | |
565 | { |
566 | # seek error cases |
567 | my $name = "test.gz" ; |
568 | my $lex = new LexFile $name ; |
569 | |
570 | my $a = gzopen($name, "w"); |
571 | |
572 | ok ! $a->gzerror() |
573 | or print "# gzerrno is $Compress::Zlib::gzerrno \n" ; |
574 | eval { $a->gzseek(-1, 10) ; }; |
575 | like $@, mkErr("gzseek: unknown value, 10, for whence parameter"); |
576 | |
577 | eval { $a->gzseek(-1, SEEK_END) ; }; |
578 | like $@, mkErr("gzseek: cannot seek backwards"); |
579 | |
580 | $a->gzwrite("fred"); |
581 | $a->gzclose ; |
582 | |
583 | |
584 | my $u = gzopen($name, "r"); |
585 | |
586 | eval { $u->gzseek(-1, 10) ; }; |
587 | like $@, mkErr("gzseek: unknown value, 10, for whence parameter"); |
588 | |
589 | eval { $u->gzseek(-1, SEEK_END) ; }; |
590 | like $@, mkErr("gzseek: SEEK_END not allowed"); |
591 | |
592 | eval { $u->gzseek(-1, SEEK_CUR) ; }; |
593 | like $@, mkErr("gzseek: cannot seek backwards"); |
594 | } |