Commit | Line | Data |
16816334 |
1 | BEGIN { |
d695c1a1 |
2 | if ($ENV{PERL_CORE}) { |
16816334 |
3 | chdir 't' if -d 't'; |
1a6a8453 |
4 | @INC = ("../lib", "lib/compress"); |
16816334 |
5 | } |
6 | } |
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7 | |
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8 | use lib qw(t t/compress); |
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9 | use strict; |
10 | use warnings; |
11 | use bytes; |
12 | |
13 | use Test::More ; |
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14 | use CompTestUtils; |
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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 | |
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23 | plan tests => 217 + $extra ; |
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24 | |
25 | use_ok('Compress::Zlib', 2) ; |
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26 | use_ok('IO::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() ; |
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73 | |
74 | # gzread after eof bahavior |
75 | |
76 | my $xyz = "123" ; |
77 | is $fil->gzread($xyz), 0, "gzread returns 0 on eof" ; |
78 | is $xyz, "", "gzread on eof zaps the output buffer [Match 1,x behavior]" ; |
79 | |
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80 | ok ! $fil->gzclose ; |
81 | ok $fil->gzeof() ; |
82 | |
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83 | |
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84 | 1 while unlink $name ; |
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85 | |
86 | ok $hello eq $uncomp ; |
87 | |
88 | # check that a number can be gzipped |
89 | my $number = 7603 ; |
90 | my $num_len = 4 ; |
91 | |
92 | ok $fil = gzopen($name, "wb") ; |
93 | |
94 | is $gzerrno, 0; |
95 | |
96 | is $fil->gzwrite($number), $num_len, "gzwrite returned $num_len" ; |
97 | is $gzerrno, 0, 'gzerrno is 0'; |
98 | ok $fil->gzflush(Z_FINISH) ; |
99 | |
100 | is $gzerrno, 0, 'gzerrno is 0'; |
101 | |
102 | ok ! $fil->gzclose ; |
103 | |
104 | cmp_ok $gzerrno, '==', 0; |
105 | |
106 | ok $fil = gzopen($name, "rb") ; |
107 | |
108 | ok (($x = $fil->gzread($uncomp)) == $num_len) ; |
109 | |
110 | ok $fil->gzerror() == 0 || $fil->gzerror() == Z_STREAM_END; |
111 | ok $gzerrno == 0 || $gzerrno == Z_STREAM_END; |
112 | ok $fil->gzeof() ; |
113 | |
114 | ok ! $fil->gzclose ; |
115 | ok $fil->gzeof() ; |
116 | |
117 | ok $gzerrno == 0 |
118 | or print "# gzerrno is $gzerrno\n" ; |
119 | |
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120 | 1 while unlink $name ; |
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121 | |
122 | ok $number == $uncomp ; |
123 | ok $number eq $uncomp ; |
124 | |
125 | |
126 | # now a bigger gzip test |
127 | |
128 | my $text = 'text' ; |
129 | my $file = "$text.gz" ; |
130 | |
131 | ok my $f = gzopen($file, "wb") ; |
132 | |
133 | # generate a long random string |
134 | my $contents = '' ; |
135 | foreach (1 .. 5000) |
136 | { $contents .= chr int rand 256 } |
137 | |
138 | $len = length $contents ; |
139 | |
140 | ok $f->gzwrite($contents) == $len ; |
141 | |
142 | ok ! $f->gzclose ; |
143 | |
144 | ok $f = gzopen($file, "rb") ; |
145 | |
146 | ok ! $f->gzeof() ; |
147 | |
148 | my $uncompressed ; |
149 | is $f->gzread($uncompressed, $len), $len ; |
150 | |
151 | ok $contents eq $uncompressed |
152 | |
153 | or print "# Length orig $len" . |
154 | ", Length uncompressed " . length($uncompressed) . "\n" ; |
155 | |
156 | ok $f->gzeof() ; |
157 | ok ! $f->gzclose ; |
158 | |
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159 | 1 while unlink($file) ; |
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160 | |
161 | # gzip - readline tests |
162 | # ====================== |
163 | |
164 | # first create a small gzipped text file |
165 | $name = "test.gz" ; |
166 | my @text = (<<EOM, <<EOM, <<EOM, <<EOM) ; |
167 | this is line 1 |
168 | EOM |
169 | the second line |
170 | EOM |
171 | the line after the previous line |
172 | EOM |
173 | the final line |
174 | EOM |
175 | |
176 | $text = join("", @text) ; |
177 | |
178 | ok $fil = gzopen($name, "wb") ; |
179 | ok $fil->gzwrite($text) == length $text ; |
180 | ok ! $fil->gzclose ; |
181 | |
182 | # now try to read it back in |
183 | ok $fil = gzopen($name, "rb") ; |
184 | ok ! $fil->gzeof() ; |
185 | my $line = ''; |
186 | for my $i (0 .. @text -2) |
187 | { |
188 | ok $fil->gzreadline($line) > 0; |
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189 | is $line, $text[$i] ; |
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190 | ok ! $fil->gzeof() ; |
191 | } |
192 | |
193 | # now read the last line |
194 | ok $fil->gzreadline($line) > 0; |
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195 | is $line, $text[-1] ; |
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196 | ok $fil->gzeof() ; |
197 | |
198 | # read past the eof |
199 | is $fil->gzreadline($line), 0; |
200 | |
201 | ok $fil->gzeof() ; |
202 | ok ! $fil->gzclose ; |
203 | ok $fil->gzeof() ; |
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204 | 1 while unlink($name) ; |
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205 | |
206 | # a text file with a very long line (bigger than the internal buffer) |
207 | my $line1 = ("abcdefghijklmnopq" x 2000) . "\n" ; |
208 | my $line2 = "second line\n" ; |
209 | $text = $line1 . $line2 ; |
210 | ok $fil = gzopen($name, "wb") ; |
211 | ok $fil->gzwrite($text) == length $text ; |
212 | ok ! $fil->gzclose ; |
213 | |
214 | # now try to read it back in |
215 | ok $fil = gzopen($name, "rb") ; |
216 | ok ! $fil->gzeof() ; |
217 | my $i = 0 ; |
218 | my @got = (); |
219 | while ($fil->gzreadline($line) > 0) { |
220 | $got[$i] = $line ; |
221 | ++ $i ; |
222 | } |
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223 | is $i, 2 ; |
224 | is $got[0], $line1 ; |
225 | is $got[1], $line2 ; |
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226 | |
227 | ok $fil->gzeof() ; |
228 | ok ! $fil->gzclose ; |
229 | ok $fil->gzeof() ; |
230 | |
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231 | 1 while unlink $name ; |
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232 | |
233 | # a text file which is not termined by an EOL |
234 | |
235 | $line1 = "hello hello, I'm back again\n" ; |
236 | $line2 = "there is no end in sight" ; |
237 | |
238 | $text = $line1 . $line2 ; |
239 | ok $fil = gzopen($name, "wb") ; |
240 | ok $fil->gzwrite($text) == length $text ; |
241 | ok ! $fil->gzclose ; |
242 | |
243 | # now try to read it back in |
244 | ok $fil = gzopen($name, "rb") ; |
245 | @got = () ; $i = 0 ; |
246 | while ($fil->gzreadline($line) > 0) { |
247 | $got[$i] = $line ; |
248 | ++ $i ; |
249 | } |
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250 | is $i, 2 ; |
251 | is $got[0], $line1 ; |
252 | is $got[1], $line2 ; |
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253 | |
254 | ok $fil->gzeof() ; |
255 | ok ! $fil->gzclose ; |
256 | |
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257 | 1 while unlink $name ; |
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258 | |
259 | { |
260 | |
261 | title 'mix gzread and gzreadline'; |
262 | |
263 | # case 1: read a line, then a block. The block is |
264 | # smaller than the internal block used by |
265 | # gzreadline |
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266 | my $lex = new LexFile my $name ; |
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267 | $line1 = "hello hello, I'm back again\n" ; |
268 | $line2 = "abc" x 200 ; |
269 | my $line3 = "def" x 200 ; |
270 | |
271 | $text = $line1 . $line2 . $line3 ; |
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272 | my $fil; |
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273 | ok $fil = gzopen($name, "wb"), ' gzopen for write ok' ; |
274 | is $fil->gzwrite($text), length $text, ' gzwrite ok' ; |
275 | is $fil->gztell(), length $text, ' gztell ok' ; |
276 | ok ! $fil->gzclose, ' gzclose ok' ; |
277 | |
278 | # now try to read it back in |
279 | ok $fil = gzopen($name, "rb"), ' gzopen for read ok' ; |
280 | ok ! $fil->gzeof(), ' !gzeof' ; |
281 | cmp_ok $fil->gzreadline($line), '>', 0, ' gzreadline' ; |
282 | is $fil->gztell(), length $line1, ' gztell ok' ; |
283 | ok ! $fil->gzeof(), ' !gzeof' ; |
284 | is $line, $line1, ' got expected line' ; |
285 | cmp_ok $fil->gzread($line, length $line2), '>', 0, ' gzread ok' ; |
286 | is $fil->gztell(), length($line1)+length($line2), ' gztell ok' ; |
287 | ok ! $fil->gzeof(), ' !gzeof' ; |
288 | is $line, $line2, ' read expected block' ; |
289 | cmp_ok $fil->gzread($line, length $line3), '>', 0, ' gzread ok' ; |
290 | is $fil->gztell(), length($text), ' gztell ok' ; |
291 | ok $fil->gzeof(), ' !gzeof' ; |
292 | is $line, $line3, ' read expected block' ; |
293 | ok ! $fil->gzclose, ' gzclose' ; |
294 | } |
295 | |
296 | { |
297 | title "Pass gzopen a filehandle - use IO::File" ; |
298 | |
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299 | my $lex = new LexFile my $name ; |
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300 | |
301 | my $hello = "hello" ; |
302 | my $len = length $hello ; |
303 | |
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304 | my $f = new IO::File ">$name" ; |
305 | ok $f; |
306 | |
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307 | my $fil; |
308 | ok $fil = gzopen($f, "wb") ; |
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309 | |
310 | ok $fil->gzwrite($hello) == $len ; |
311 | |
312 | ok ! $fil->gzclose ; |
313 | |
314 | $f = new IO::File "<$name" ; |
315 | ok $fil = gzopen($name, "rb") ; |
316 | |
317 | my $uncmomp; |
318 | ok (($x = $fil->gzread($uncomp)) == $len) |
319 | or print "# length $x, expected $len\n" ; |
320 | |
321 | ok $fil->gzeof() ; |
322 | ok ! $fil->gzclose ; |
323 | ok $fil->gzeof() ; |
324 | |
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325 | is $uncomp, $hello, "got expected output" ; |
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326 | } |
327 | |
328 | |
329 | { |
330 | title "Pass gzopen a filehandle - use open" ; |
331 | |
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332 | my $lex = new LexFile my $name ; |
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333 | |
334 | my $hello = "hello" ; |
335 | my $len = length $hello ; |
336 | |
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337 | open F, ">$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 | |
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357 | is $uncomp, $hello ; |
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358 | |
359 | |
360 | } |
361 | |
362 | foreach my $stdio ( ['-', '-'], [*STDIN, *STDOUT]) |
363 | { |
364 | my $stdin = $stdio->[0]; |
365 | my $stdout = $stdio->[1]; |
366 | |
367 | title "Pass gzopen a filehandle - use $stdin" ; |
368 | |
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369 | my $lex = new LexFile my $name ; |
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370 | |
371 | my $hello = "hello" ; |
372 | my $len = length $hello ; |
373 | |
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374 | ok open(SAVEOUT, ">&STDOUT"), " save STDOUT"; |
375 | my $dummy = fileno SAVEOUT; |
376 | ok open(STDOUT, ">$name"), " redirect STDOUT" ; |
377 | |
378 | my $status = 0 ; |
379 | |
380 | my $fil = gzopen($stdout, "wb") ; |
381 | |
382 | $status = $fil && |
383 | ($fil->gzwrite($hello) == $len) && |
384 | ($fil->gzclose == 0) ; |
385 | |
386 | open(STDOUT, ">&SAVEOUT"); |
387 | |
388 | ok $status, " wrote to stdout"; |
389 | |
390 | open(SAVEIN, "<&STDIN"); |
391 | ok open(STDIN, "<$name"), " redirect STDIN"; |
392 | $dummy = fileno SAVEIN; |
393 | |
394 | ok $fil = gzopen($stdin, "rb") ; |
395 | |
396 | my $uncmomp; |
397 | ok (($x = $fil->gzread($uncomp)) == $len) |
398 | or print "# length $x, expected $len\n" ; |
399 | |
400 | ok $fil->gzeof() ; |
401 | ok ! $fil->gzclose ; |
402 | ok $fil->gzeof() ; |
403 | |
404 | open(STDIN, "<&SAVEIN"); |
405 | |
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406 | is $uncomp, $hello ; |
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407 | |
408 | |
409 | } |
410 | |
411 | { |
412 | title 'test parameters for gzopen'; |
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413 | my $lex = new LexFile my $name ; |
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414 | |
415 | my $fil; |
416 | |
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417 | # missing parameters |
418 | eval ' $fil = gzopen() ' ; |
419 | like $@, mkEvalErr('Not enough arguments for Compress::Zlib::gzopen'), |
420 | ' gzopen with missing mode fails' ; |
421 | |
422 | # unknown parameters |
423 | $fil = gzopen($name, "xy") ; |
424 | ok ! defined $fil, ' gzopen with unknown mode fails' ; |
425 | |
426 | $fil = gzopen($name, "ab") ; |
427 | ok $fil, ' gzopen with mode "ab" is ok' ; |
428 | |
429 | $fil = gzopen($name, "wb6") ; |
430 | ok $fil, ' gzopen with mode "wb6" is ok' ; |
431 | |
432 | $fil = gzopen($name, "wbf") ; |
433 | ok $fil, ' gzopen with mode "wbf" is ok' ; |
434 | |
435 | $fil = gzopen($name, "wbh") ; |
436 | ok $fil, ' gzopen with mode "wbh" is ok' ; |
437 | } |
438 | |
439 | { |
440 | title 'Read operations when opened for writing'; |
441 | |
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442 | my $lex = new LexFile my $name ; |
443 | my $fil; |
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444 | ok $fil = gzopen($name, "wb"), ' gzopen for writing' ; |
445 | ok !$fil->gzeof(), ' !eof'; ; |
446 | is $fil->gzread(), Z_STREAM_ERROR, " gzread returns Z_STREAM_ERROR" ; |
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447 | ok ! $fil->gzclose, " gzclose ok" ; |
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448 | } |
449 | |
450 | { |
451 | title 'write operations when opened for reading'; |
452 | |
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453 | my $lex = new LexFile my $name ; |
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454 | my $test = "hello" ; |
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455 | my $fil; |
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456 | ok $fil = gzopen($name, "wb"), " gzopen for writing" ; |
457 | is $fil->gzwrite($text), length $text, " gzwrite ok" ; |
458 | ok ! $fil->gzclose, " gzclose ok" ; |
459 | |
460 | ok $fil = gzopen($name, "rb"), " gzopen for reading" ; |
461 | is $fil->gzwrite(), Z_STREAM_ERROR, " gzwrite returns Z_STREAM_ERROR" ; |
462 | } |
463 | |
464 | { |
465 | title 'read/write a non-readable/writable file'; |
466 | |
467 | SKIP: |
468 | { |
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469 | my $lex = new LexFile my $name ; |
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470 | writeFile($name, "abc"); |
471 | chmod 0444, $name ; |
472 | |
473 | skip "Cannot create non-writable file", 3 |
474 | if -w $name ; |
475 | |
476 | ok ! -w $name, " input file not writable"; |
477 | |
478 | my $fil = gzopen($name, "wb") ; |
479 | ok !$fil, " gzopen returns undef" ; |
480 | ok $gzerrno, " gzerrno ok" or |
481 | diag " gzerrno $gzerrno\n"; |
482 | |
483 | chmod 0777, $name ; |
484 | } |
485 | |
486 | SKIP: |
487 | { |
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488 | my $lex = new LexFile my $name ; |
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489 | skip "Cannot create non-readable file", 3 |
490 | if $^O eq 'cygwin'; |
491 | |
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492 | writeFile($name, "abc"); |
493 | chmod 0222, $name ; |
494 | |
495 | skip "Cannot create non-readable file", 3 |
496 | if -r $name ; |
497 | |
498 | ok ! -r $name, " input file not readable"; |
499 | $gzerrno = 0; |
500 | $fil = gzopen($name, "rb") ; |
501 | ok !$fil, " gzopen returns undef" ; |
502 | ok $gzerrno, " gzerrno ok"; |
503 | chmod 0777, $name ; |
504 | } |
505 | |
506 | } |
507 | |
508 | { |
509 | title "gzseek" ; |
510 | |
511 | my $buff ; |
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512 | my $lex = new LexFile my $name ; |
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513 | |
514 | my $first = "beginning" ; |
515 | my $last = "the end" ; |
516 | my $iow = gzopen($name, "w"); |
517 | $iow->gzwrite($first) ; |
518 | ok $iow->gzseek(5, SEEK_CUR) ; |
519 | is $iow->gztell(), length($first)+5; |
520 | ok $iow->gzseek(0, SEEK_CUR) ; |
521 | is $iow->gztell(), length($first)+5; |
522 | ok $iow->gzseek(length($first)+10, SEEK_SET) ; |
523 | is $iow->gztell(), length($first)+10; |
524 | |
525 | $iow->gzwrite($last) ; |
526 | $iow->gzclose ; |
527 | |
528 | ok GZreadFile($name) eq $first . "\x00" x 10 . $last ; |
529 | |
530 | my $io = gzopen($name, "r"); |
531 | ok $io->gzseek(length($first), SEEK_CUR) ; |
532 | ok ! $io->gzeof; |
533 | is $io->gztell(), length($first); |
534 | |
535 | ok $io->gzread($buff, 5) ; |
536 | is $buff, "\x00" x 5 ; |
537 | is $io->gztell(), length($first) + 5; |
538 | |
539 | is $io->gzread($buff, 0), 0 ; |
540 | #is $buff, "\x00" x 5 ; |
541 | is $io->gztell(), length($first) + 5; |
542 | |
543 | ok $io->gzseek(0, SEEK_CUR) ; |
544 | my $here = $io->gztell() ; |
545 | is $here, length($first)+5; |
546 | |
547 | ok $io->gzseek($here+5, SEEK_SET) ; |
548 | is $io->gztell(), $here+5 ; |
549 | ok $io->gzread($buff, 100) ; |
550 | ok $buff eq $last ; |
551 | ok $io->gzeof; |
552 | } |
553 | |
554 | { |
555 | # seek error cases |
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556 | my $lex = new LexFile my $name ; |
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557 | |
558 | my $a = gzopen($name, "w"); |
559 | |
560 | ok ! $a->gzerror() |
561 | or print "# gzerrno is $Compress::Zlib::gzerrno \n" ; |
562 | eval { $a->gzseek(-1, 10) ; }; |
563 | like $@, mkErr("gzseek: unknown value, 10, for whence parameter"); |
564 | |
565 | eval { $a->gzseek(-1, SEEK_END) ; }; |
566 | like $@, mkErr("gzseek: cannot seek backwards"); |
567 | |
568 | $a->gzwrite("fred"); |
569 | $a->gzclose ; |
570 | |
571 | |
572 | my $u = gzopen($name, "r"); |
573 | |
574 | eval { $u->gzseek(-1, 10) ; }; |
575 | like $@, mkErr("gzseek: unknown value, 10, for whence parameter"); |
576 | |
577 | eval { $u->gzseek(-1, SEEK_END) ; }; |
578 | like $@, mkErr("gzseek: SEEK_END not allowed"); |
579 | |
580 | eval { $u->gzseek(-1, SEEK_CUR) ; }; |
581 | like $@, mkErr("gzseek: cannot seek backwards"); |
582 | } |
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583 | |
584 | { |
585 | title "gzread ver 1.x compat -- the output buffer is always zapped."; |
586 | my $lex = new LexFile my $name ; |
587 | |
588 | my $a = gzopen($name, "w"); |
589 | $a->gzwrite("fred"); |
590 | $a->gzclose ; |
591 | |
592 | my $u = gzopen($name, "r"); |
593 | |
594 | my $buf1 ; |
595 | is $u->gzread($buf1, 0), 0, " gzread returns 0"; |
596 | ok defined $buf1, " output buffer defined"; |
597 | is $buf1, "", " output buffer empty string"; |
598 | |
599 | my $buf2 = "qwerty"; |
600 | is $u->gzread($buf2, 0), 0, " gzread returns 0"; |
601 | ok defined $buf2, " output buffer defined"; |
602 | is $buf2, "", " output buffer empty string"; |
603 | } |