Commit | Line | Data |
16816334 |
1 | BEGIN { |
d695c1a1 |
2 | if ($ENV{PERL_CORE}) { |
16816334 |
3 | chdir 't' if -d 't'; |
0ecadccd |
4 | @INC = ("../lib", "lib"); |
16816334 |
5 | } |
6 | } |
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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') ; |
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27 | } |
28 | |
29 | |
30 | my $hello = <<EOM ; |
31 | hello world |
32 | this is a test |
33 | EOM |
34 | |
35 | my $len = length $hello ; |
36 | |
37 | # Check zlib_version and ZLIB_VERSION are the same. |
38 | is Compress::Zlib::zlib_version, ZLIB_VERSION, |
39 | "ZLIB_VERSION matches Compress::Zlib::zlib_version" ; |
40 | |
41 | # gzip tests |
42 | #=========== |
43 | |
44 | my $name = "test.gz" ; |
45 | my ($x, $uncomp) ; |
46 | |
47 | ok my $fil = gzopen($name, "wb") ; |
48 | |
49 | is $gzerrno, 0, 'gzerrno is 0'; |
50 | is $fil->gzerror(), 0, "gzerror() returned 0"; |
51 | |
52 | is $fil->gztell(), 0, "gztell returned 0"; |
53 | is $gzerrno, 0, 'gzerrno is 0'; |
54 | |
55 | is $fil->gzwrite($hello), $len ; |
56 | is $gzerrno, 0, 'gzerrno is 0'; |
57 | |
58 | is $fil->gztell(), $len, "gztell returned $len"; |
59 | is $gzerrno, 0, 'gzerrno is 0'; |
60 | |
61 | ok ! $fil->gzclose ; |
62 | |
63 | ok $fil = gzopen($name, "rb") ; |
64 | |
65 | ok ! $fil->gzeof() ; |
66 | is $gzerrno, 0, 'gzerrno is 0'; |
67 | is $fil->gztell(), 0; |
68 | |
69 | is $fil->gzread($uncomp), $len; |
70 | |
71 | is $fil->gztell(), $len; |
72 | ok $fil->gzeof() ; |
73 | ok ! $fil->gzclose ; |
74 | ok $fil->gzeof() ; |
75 | |
76 | unlink $name ; |
77 | |
78 | ok $hello eq $uncomp ; |
79 | |
80 | # check that a number can be gzipped |
81 | my $number = 7603 ; |
82 | my $num_len = 4 ; |
83 | |
84 | ok $fil = gzopen($name, "wb") ; |
85 | |
86 | is $gzerrno, 0; |
87 | |
88 | is $fil->gzwrite($number), $num_len, "gzwrite returned $num_len" ; |
89 | is $gzerrno, 0, 'gzerrno is 0'; |
90 | ok $fil->gzflush(Z_FINISH) ; |
91 | |
92 | is $gzerrno, 0, 'gzerrno is 0'; |
93 | |
94 | ok ! $fil->gzclose ; |
95 | |
96 | cmp_ok $gzerrno, '==', 0; |
97 | |
98 | ok $fil = gzopen($name, "rb") ; |
99 | |
100 | ok (($x = $fil->gzread($uncomp)) == $num_len) ; |
101 | |
102 | ok $fil->gzerror() == 0 || $fil->gzerror() == Z_STREAM_END; |
103 | ok $gzerrno == 0 || $gzerrno == Z_STREAM_END; |
104 | ok $fil->gzeof() ; |
105 | |
106 | ok ! $fil->gzclose ; |
107 | ok $fil->gzeof() ; |
108 | |
109 | ok $gzerrno == 0 |
110 | or print "# gzerrno is $gzerrno\n" ; |
111 | |
112 | unlink $name ; |
113 | |
114 | ok $number == $uncomp ; |
115 | ok $number eq $uncomp ; |
116 | |
117 | |
118 | # now a bigger gzip test |
119 | |
120 | my $text = 'text' ; |
121 | my $file = "$text.gz" ; |
122 | |
123 | ok my $f = gzopen($file, "wb") ; |
124 | |
125 | # generate a long random string |
126 | my $contents = '' ; |
127 | foreach (1 .. 5000) |
128 | { $contents .= chr int rand 256 } |
129 | |
130 | $len = length $contents ; |
131 | |
132 | ok $f->gzwrite($contents) == $len ; |
133 | |
134 | ok ! $f->gzclose ; |
135 | |
136 | ok $f = gzopen($file, "rb") ; |
137 | |
138 | ok ! $f->gzeof() ; |
139 | |
140 | my $uncompressed ; |
141 | is $f->gzread($uncompressed, $len), $len ; |
142 | |
143 | ok $contents eq $uncompressed |
144 | |
145 | or print "# Length orig $len" . |
146 | ", Length uncompressed " . length($uncompressed) . "\n" ; |
147 | |
148 | ok $f->gzeof() ; |
149 | ok ! $f->gzclose ; |
150 | |
151 | unlink($file) ; |
152 | |
153 | # gzip - readline tests |
154 | # ====================== |
155 | |
156 | # first create a small gzipped text file |
157 | $name = "test.gz" ; |
158 | my @text = (<<EOM, <<EOM, <<EOM, <<EOM) ; |
159 | this is line 1 |
160 | EOM |
161 | the second line |
162 | EOM |
163 | the line after the previous line |
164 | EOM |
165 | the final line |
166 | EOM |
167 | |
168 | $text = join("", @text) ; |
169 | |
170 | ok $fil = gzopen($name, "wb") ; |
171 | ok $fil->gzwrite($text) == length $text ; |
172 | ok ! $fil->gzclose ; |
173 | |
174 | # now try to read it back in |
175 | ok $fil = gzopen($name, "rb") ; |
176 | ok ! $fil->gzeof() ; |
177 | my $line = ''; |
178 | for my $i (0 .. @text -2) |
179 | { |
180 | ok $fil->gzreadline($line) > 0; |
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181 | is $line, $text[$i] ; |
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182 | ok ! $fil->gzeof() ; |
183 | } |
184 | |
185 | # now read the last line |
186 | ok $fil->gzreadline($line) > 0; |
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187 | is $line, $text[-1] ; |
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188 | ok $fil->gzeof() ; |
189 | |
190 | # read past the eof |
191 | is $fil->gzreadline($line), 0; |
192 | |
193 | ok $fil->gzeof() ; |
194 | ok ! $fil->gzclose ; |
195 | ok $fil->gzeof() ; |
196 | unlink($name) ; |
197 | |
198 | # a text file with a very long line (bigger than the internal buffer) |
199 | my $line1 = ("abcdefghijklmnopq" x 2000) . "\n" ; |
200 | my $line2 = "second line\n" ; |
201 | $text = $line1 . $line2 ; |
202 | ok $fil = gzopen($name, "wb") ; |
203 | ok $fil->gzwrite($text) == length $text ; |
204 | ok ! $fil->gzclose ; |
205 | |
206 | # now try to read it back in |
207 | ok $fil = gzopen($name, "rb") ; |
208 | ok ! $fil->gzeof() ; |
209 | my $i = 0 ; |
210 | my @got = (); |
211 | while ($fil->gzreadline($line) > 0) { |
212 | $got[$i] = $line ; |
213 | ++ $i ; |
214 | } |
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215 | is $i, 2 ; |
216 | is $got[0], $line1 ; |
217 | is $got[1], $line2 ; |
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218 | |
219 | ok $fil->gzeof() ; |
220 | ok ! $fil->gzclose ; |
221 | ok $fil->gzeof() ; |
222 | |
223 | unlink $name ; |
224 | |
225 | # a text file which is not termined by an EOL |
226 | |
227 | $line1 = "hello hello, I'm back again\n" ; |
228 | $line2 = "there is no end in sight" ; |
229 | |
230 | $text = $line1 . $line2 ; |
231 | ok $fil = gzopen($name, "wb") ; |
232 | ok $fil->gzwrite($text) == length $text ; |
233 | ok ! $fil->gzclose ; |
234 | |
235 | # now try to read it back in |
236 | ok $fil = gzopen($name, "rb") ; |
237 | @got = () ; $i = 0 ; |
238 | while ($fil->gzreadline($line) > 0) { |
239 | $got[$i] = $line ; |
240 | ++ $i ; |
241 | } |
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242 | is $i, 2 ; |
243 | is $got[0], $line1 ; |
244 | is $got[1], $line2 ; |
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245 | |
246 | ok $fil->gzeof() ; |
247 | ok ! $fil->gzclose ; |
248 | |
249 | unlink $name ; |
250 | |
251 | { |
252 | |
253 | title 'mix gzread and gzreadline'; |
254 | |
255 | # case 1: read a line, then a block. The block is |
256 | # smaller than the internal block used by |
257 | # gzreadline |
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258 | my $lex = new LexFile my $name ; |
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259 | $line1 = "hello hello, I'm back again\n" ; |
260 | $line2 = "abc" x 200 ; |
261 | my $line3 = "def" x 200 ; |
262 | |
263 | $text = $line1 . $line2 . $line3 ; |
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264 | my $fil; |
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265 | ok $fil = gzopen($name, "wb"), ' gzopen for write ok' ; |
266 | is $fil->gzwrite($text), length $text, ' gzwrite ok' ; |
267 | is $fil->gztell(), length $text, ' gztell ok' ; |
268 | ok ! $fil->gzclose, ' gzclose ok' ; |
269 | |
270 | # now try to read it back in |
271 | ok $fil = gzopen($name, "rb"), ' gzopen for read ok' ; |
272 | ok ! $fil->gzeof(), ' !gzeof' ; |
273 | cmp_ok $fil->gzreadline($line), '>', 0, ' gzreadline' ; |
274 | is $fil->gztell(), length $line1, ' gztell ok' ; |
275 | ok ! $fil->gzeof(), ' !gzeof' ; |
276 | is $line, $line1, ' got expected line' ; |
277 | cmp_ok $fil->gzread($line, length $line2), '>', 0, ' gzread ok' ; |
278 | is $fil->gztell(), length($line1)+length($line2), ' gztell ok' ; |
279 | ok ! $fil->gzeof(), ' !gzeof' ; |
280 | is $line, $line2, ' read expected block' ; |
281 | cmp_ok $fil->gzread($line, length $line3), '>', 0, ' gzread ok' ; |
282 | is $fil->gztell(), length($text), ' gztell ok' ; |
283 | ok $fil->gzeof(), ' !gzeof' ; |
284 | is $line, $line3, ' read expected block' ; |
285 | ok ! $fil->gzclose, ' gzclose' ; |
286 | } |
287 | |
288 | { |
289 | title "Pass gzopen a filehandle - use IO::File" ; |
290 | |
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291 | my $lex = new LexFile my $name ; |
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292 | |
293 | my $hello = "hello" ; |
294 | my $len = length $hello ; |
295 | |
296 | unlink $name ; |
297 | |
298 | my $f = new IO::File ">$name" ; |
299 | ok $f; |
300 | |
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301 | my $fil; |
302 | ok $fil = gzopen($f, "wb") ; |
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303 | |
304 | ok $fil->gzwrite($hello) == $len ; |
305 | |
306 | ok ! $fil->gzclose ; |
307 | |
308 | $f = new IO::File "<$name" ; |
309 | ok $fil = gzopen($name, "rb") ; |
310 | |
311 | my $uncmomp; |
312 | ok (($x = $fil->gzread($uncomp)) == $len) |
313 | or print "# length $x, expected $len\n" ; |
314 | |
315 | ok $fil->gzeof() ; |
316 | ok ! $fil->gzclose ; |
317 | ok $fil->gzeof() ; |
318 | |
319 | unlink $name ; |
320 | |
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321 | is $uncomp, $hello, "got expected output" ; |
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322 | |
323 | |
324 | } |
325 | |
326 | |
327 | { |
328 | title "Pass gzopen a filehandle - use open" ; |
329 | |
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330 | my $lex = new LexFile my $name ; |
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331 | |
332 | my $hello = "hello" ; |
333 | my $len = length $hello ; |
334 | |
335 | unlink $name ; |
336 | |
337 | open F, ">$name" ; |
338 | |
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339 | my $fil; |
340 | ok $fil = gzopen(*F, "wb") ; |
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341 | |
342 | is $fil->gzwrite($hello), $len ; |
343 | |
344 | ok ! $fil->gzclose ; |
345 | |
346 | open F, "<$name" ; |
347 | ok $fil = gzopen(*F, "rb") ; |
348 | |
349 | my $uncmomp; |
350 | $x = $fil->gzread($uncomp); |
351 | is $x, $len ; |
352 | |
353 | ok $fil->gzeof() ; |
354 | ok ! $fil->gzclose ; |
355 | ok $fil->gzeof() ; |
356 | |
357 | unlink $name ; |
358 | |
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359 | is $uncomp, $hello ; |
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360 | |
361 | |
362 | } |
363 | |
364 | foreach my $stdio ( ['-', '-'], [*STDIN, *STDOUT]) |
365 | { |
366 | my $stdin = $stdio->[0]; |
367 | my $stdout = $stdio->[1]; |
368 | |
369 | title "Pass gzopen a filehandle - use $stdin" ; |
370 | |
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371 | my $lex = new LexFile my $name ; |
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372 | |
373 | my $hello = "hello" ; |
374 | my $len = length $hello ; |
375 | |
376 | unlink $name ; |
377 | |
378 | ok open(SAVEOUT, ">&STDOUT"), " save STDOUT"; |
379 | my $dummy = fileno SAVEOUT; |
380 | ok open(STDOUT, ">$name"), " redirect STDOUT" ; |
381 | |
382 | my $status = 0 ; |
383 | |
384 | my $fil = gzopen($stdout, "wb") ; |
385 | |
386 | $status = $fil && |
387 | ($fil->gzwrite($hello) == $len) && |
388 | ($fil->gzclose == 0) ; |
389 | |
390 | open(STDOUT, ">&SAVEOUT"); |
391 | |
392 | ok $status, " wrote to stdout"; |
393 | |
394 | open(SAVEIN, "<&STDIN"); |
395 | ok open(STDIN, "<$name"), " redirect STDIN"; |
396 | $dummy = fileno SAVEIN; |
397 | |
398 | ok $fil = gzopen($stdin, "rb") ; |
399 | |
400 | my $uncmomp; |
401 | ok (($x = $fil->gzread($uncomp)) == $len) |
402 | or print "# length $x, expected $len\n" ; |
403 | |
404 | ok $fil->gzeof() ; |
405 | ok ! $fil->gzclose ; |
406 | ok $fil->gzeof() ; |
407 | |
408 | open(STDIN, "<&SAVEIN"); |
409 | |
410 | unlink $name ; |
411 | |
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412 | is $uncomp, $hello ; |
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413 | |
414 | |
415 | } |
416 | |
417 | { |
418 | title 'test parameters for gzopen'; |
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419 | my $lex = new LexFile my $name ; |
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420 | |
421 | my $fil; |
422 | |
423 | unlink $name ; |
424 | |
425 | # missing parameters |
426 | eval ' $fil = gzopen() ' ; |
427 | like $@, mkEvalErr('Not enough arguments for Compress::Zlib::gzopen'), |
428 | ' gzopen with missing mode fails' ; |
429 | |
430 | # unknown parameters |
431 | $fil = gzopen($name, "xy") ; |
432 | ok ! defined $fil, ' gzopen with unknown mode fails' ; |
433 | |
434 | $fil = gzopen($name, "ab") ; |
435 | ok $fil, ' gzopen with mode "ab" is ok' ; |
436 | |
437 | $fil = gzopen($name, "wb6") ; |
438 | ok $fil, ' gzopen with mode "wb6" is ok' ; |
439 | |
440 | $fil = gzopen($name, "wbf") ; |
441 | ok $fil, ' gzopen with mode "wbf" is ok' ; |
442 | |
443 | $fil = gzopen($name, "wbh") ; |
444 | ok $fil, ' gzopen with mode "wbh" is ok' ; |
445 | } |
446 | |
447 | { |
448 | title 'Read operations when opened for writing'; |
449 | |
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450 | my $lex = new LexFile my $name ; |
451 | my $fil; |
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452 | ok $fil = gzopen($name, "wb"), ' gzopen for writing' ; |
453 | ok !$fil->gzeof(), ' !eof'; ; |
454 | is $fil->gzread(), Z_STREAM_ERROR, " gzread returns Z_STREAM_ERROR" ; |
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455 | ok ! $fil->gzclose, " gzclose ok" ; |
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456 | } |
457 | |
458 | { |
459 | title 'write operations when opened for reading'; |
460 | |
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461 | my $lex = new LexFile my $name ; |
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462 | my $test = "hello" ; |
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463 | my $fil; |
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464 | ok $fil = gzopen($name, "wb"), " gzopen for writing" ; |
465 | is $fil->gzwrite($text), length $text, " gzwrite ok" ; |
466 | ok ! $fil->gzclose, " gzclose ok" ; |
467 | |
468 | ok $fil = gzopen($name, "rb"), " gzopen for reading" ; |
469 | is $fil->gzwrite(), Z_STREAM_ERROR, " gzwrite returns Z_STREAM_ERROR" ; |
470 | } |
471 | |
472 | { |
473 | title 'read/write a non-readable/writable file'; |
474 | |
475 | SKIP: |
476 | { |
477 | my $name ; |
478 | my $lex = new LexFile $name ; |
479 | writeFile($name, "abc"); |
480 | chmod 0444, $name ; |
481 | |
482 | skip "Cannot create non-writable file", 3 |
483 | if -w $name ; |
484 | |
485 | ok ! -w $name, " input file not writable"; |
486 | |
487 | my $fil = gzopen($name, "wb") ; |
488 | ok !$fil, " gzopen returns undef" ; |
489 | ok $gzerrno, " gzerrno ok" or |
490 | diag " gzerrno $gzerrno\n"; |
491 | |
492 | chmod 0777, $name ; |
493 | } |
494 | |
495 | SKIP: |
496 | { |
497 | my $name ; |
498 | my $lex = new LexFile $name ; |
499 | writeFile($name, "abc"); |
500 | chmod 0222, $name ; |
501 | |
502 | skip "Cannot create non-readable file", 3 |
503 | if -r $name ; |
504 | |
505 | ok ! -r $name, " input file not readable"; |
506 | $gzerrno = 0; |
507 | $fil = gzopen($name, "rb") ; |
508 | ok !$fil, " gzopen returns undef" ; |
509 | ok $gzerrno, " gzerrno ok"; |
510 | chmod 0777, $name ; |
511 | } |
512 | |
513 | } |
514 | |
515 | { |
516 | title "gzseek" ; |
517 | |
518 | my $buff ; |
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519 | my $name ; |
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520 | my $lex = new LexFile $name ; |
521 | |
522 | my $first = "beginning" ; |
523 | my $last = "the end" ; |
524 | my $iow = gzopen($name, "w"); |
525 | $iow->gzwrite($first) ; |
526 | ok $iow->gzseek(5, SEEK_CUR) ; |
527 | is $iow->gztell(), length($first)+5; |
528 | ok $iow->gzseek(0, SEEK_CUR) ; |
529 | is $iow->gztell(), length($first)+5; |
530 | ok $iow->gzseek(length($first)+10, SEEK_SET) ; |
531 | is $iow->gztell(), length($first)+10; |
532 | |
533 | $iow->gzwrite($last) ; |
534 | $iow->gzclose ; |
535 | |
536 | ok GZreadFile($name) eq $first . "\x00" x 10 . $last ; |
537 | |
538 | my $io = gzopen($name, "r"); |
539 | ok $io->gzseek(length($first), SEEK_CUR) ; |
540 | ok ! $io->gzeof; |
541 | is $io->gztell(), length($first); |
542 | |
543 | ok $io->gzread($buff, 5) ; |
544 | is $buff, "\x00" x 5 ; |
545 | is $io->gztell(), length($first) + 5; |
546 | |
547 | is $io->gzread($buff, 0), 0 ; |
548 | #is $buff, "\x00" x 5 ; |
549 | is $io->gztell(), length($first) + 5; |
550 | |
551 | ok $io->gzseek(0, SEEK_CUR) ; |
552 | my $here = $io->gztell() ; |
553 | is $here, length($first)+5; |
554 | |
555 | ok $io->gzseek($here+5, SEEK_SET) ; |
556 | is $io->gztell(), $here+5 ; |
557 | ok $io->gzread($buff, 100) ; |
558 | ok $buff eq $last ; |
559 | ok $io->gzeof; |
560 | } |
561 | |
562 | { |
563 | # seek error cases |
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564 | my $lex = new LexFile my $name ; |
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565 | |
566 | my $a = gzopen($name, "w"); |
567 | |
568 | ok ! $a->gzerror() |
569 | or print "# gzerrno is $Compress::Zlib::gzerrno \n" ; |
570 | eval { $a->gzseek(-1, 10) ; }; |
571 | like $@, mkErr("gzseek: unknown value, 10, for whence parameter"); |
572 | |
573 | eval { $a->gzseek(-1, SEEK_END) ; }; |
574 | like $@, mkErr("gzseek: cannot seek backwards"); |
575 | |
576 | $a->gzwrite("fred"); |
577 | $a->gzclose ; |
578 | |
579 | |
580 | my $u = gzopen($name, "r"); |
581 | |
582 | eval { $u->gzseek(-1, 10) ; }; |
583 | like $@, mkErr("gzseek: unknown value, 10, for whence parameter"); |
584 | |
585 | eval { $u->gzseek(-1, SEEK_END) ; }; |
586 | like $@, mkErr("gzseek: SEEK_END not allowed"); |
587 | |
588 | eval { $u->gzseek(-1, SEEK_CUR) ; }; |
589 | like $@, mkErr("gzseek: cannot seek backwards"); |
590 | } |