Commit | Line | Data |
1a6a8453 |
1 | use lib 't'; |
2 | use strict; |
3 | use warnings; |
4 | use bytes; |
5 | |
6 | use Test::More ; |
7 | use ZlibTestUtils; |
8 | |
9 | use Compress::Zlib 2 ; |
10 | |
11 | BEGIN |
12 | { |
13 | plan(skip_all => "Merge needs Zlib 1.2.1 or better - you have Zlib " |
14 | . Compress::Zlib::zlib_version()) |
15 | if ZLIB_VERNUM() < 0x1210 ; |
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 | plan tests => 166 + $extra ; |
23 | |
24 | } |
25 | |
26 | |
27 | sub run |
28 | { |
29 | |
30 | my $CompressClass = identify(); |
31 | my $UncompressClass = getInverse($CompressClass); |
32 | my $Error = getErrorRef($CompressClass); |
33 | my $UnError = getErrorRef($UncompressClass); |
34 | |
35 | |
36 | |
37 | |
38 | # Check zlib_version and ZLIB_VERSION are the same. |
39 | is Compress::Zlib::zlib_version, ZLIB_VERSION, |
40 | "ZLIB_VERSION matches Compress::Zlib::zlib_version" ; |
41 | |
42 | # Tests |
43 | # destination is a file that doesn't exist -- should work ok unless AnyDeflate |
44 | # destination isn't compressed at all |
45 | # destination is compressed but wrong format |
46 | # destination is corrupt - error messages should be correct |
47 | # use apend mode with old zlib - check that this is trapped |
48 | # destination is not seekable, readable, writable - test for filename & handle |
49 | |
50 | { |
51 | title "Misc error cases"; |
52 | |
53 | eval { new Compress::Zlib::InflateScan Bufsize => 0} ; |
54 | like $@, mkErr("^Compress::Zlib::InflateScan::new: Bufsize must be >= 1, you specified 0"), " catch bufsize == 0"; |
55 | |
56 | eval { Compress::Zlib::inflateScanStream::createDeflateStream(undef, Bufsize => 0) } ; |
57 | like $@, mkErr("^Compress::Zlib::InflateScan::createDeflateStream: Bufsize must be >= 1, you specified 0"), " catch bufsize == 0"; |
58 | |
59 | } |
60 | |
61 | # output file/handle not writable |
62 | { |
63 | |
64 | foreach my $to_file (0,1) |
65 | { |
66 | if ($to_file) |
67 | { title "$CompressClass - Merge to filename that isn't writable" } |
68 | else |
69 | { title "$CompressClass - Merge to filehandle that isn't writable" } |
70 | |
71 | my $lex = new LexFile my $out_file ; |
72 | |
73 | # create empty file |
74 | open F, ">$out_file" ; print F "x"; close F; |
75 | ok -e $out_file, " file exists" ; |
76 | ok !-z $out_file, " and is not empty" ; |
77 | |
78 | # make unwritable |
79 | is chmod(0444, $out_file), 1, " chmod worked" ; |
80 | ok -e $out_file, " still exists after chmod" ; |
81 | |
82 | SKIP: |
83 | { |
84 | skip "Cannot create non-writable file", 3 |
85 | if -w $out_file ; |
86 | |
87 | ok ! -w $out_file, " chmod made file unwritable" ; |
88 | |
89 | my $dest ; |
90 | if ($to_file) |
91 | { $dest = $out_file } |
92 | else |
93 | { $dest = new IO::File "<$out_file" } |
94 | |
95 | my $gz = $CompressClass->new($dest, Merge => 1) ; |
96 | |
97 | ok ! $gz, " Did not create $CompressClass object"; |
98 | |
99 | { |
100 | if ($to_file) { |
101 | is $$Error, "Output file '$out_file' is not writable", |
102 | " Got non-writable filename message" ; |
103 | } |
104 | else { |
105 | is $$Error, "Output filehandle is not writable", |
106 | " Got non-writable filehandle message" ; |
107 | } |
108 | } |
109 | } |
110 | |
111 | chmod 0777, $out_file ; |
112 | } |
113 | } |
114 | |
115 | # output is not compressed at all |
116 | { |
117 | |
118 | my $lex = new LexFile my $out_file ; |
119 | |
120 | foreach my $to_file ( qw(buffer file handle ) ) |
121 | { |
122 | title "$CompressClass to $to_file, content is not compressed"; |
123 | |
124 | my $content = "abc" x 300 ; |
125 | my $buffer ; |
126 | my $disp_content = defined $content ? $content : '<undef>' ; |
127 | my $str_content = defined $content ? $content : '' ; |
128 | |
129 | if ($to_file eq 'buffer') |
130 | { |
131 | $buffer = \$content ; |
132 | } |
133 | else |
134 | { |
135 | writeFile($out_file, $content); |
136 | |
137 | if ($to_file eq 'handle') |
138 | { |
139 | $buffer = new IO::File "+<$out_file" |
140 | or die "# Cannot open $out_file: $!"; |
141 | } |
142 | else |
143 | { $buffer = $out_file } |
144 | } |
145 | |
146 | ok ! $CompressClass->new($buffer, Merge => 1), " constructor fails"; |
147 | { |
148 | like $$Error, '/Cannot create InflateScan object: (Header Error|unexpected end of file)/', " got Bad Magic" ; |
149 | } |
150 | |
151 | } |
152 | } |
153 | |
154 | # output is empty |
155 | { |
156 | |
157 | my $lex = new LexFile my $out_file ; |
158 | |
159 | foreach my $to_file ( qw(buffer file handle ) ) |
160 | { |
161 | title "$CompressClass to $to_file, content is empty"; |
162 | |
163 | my $content = ''; |
164 | my $buffer ; |
165 | my $dest ; |
166 | |
167 | if ($to_file eq 'buffer') |
168 | { |
169 | $dest = $buffer = \$content ; |
170 | } |
171 | else |
172 | { |
173 | writeFile($out_file, $content); |
174 | $dest = $out_file; |
175 | |
176 | if ($to_file eq 'handle') |
177 | { |
178 | $buffer = new IO::File "+<$out_file" |
179 | or die "# Cannot open $out_file: $!"; |
180 | } |
181 | else |
182 | { $buffer = $out_file } |
183 | } |
184 | |
185 | ok my $gz = $CompressClass->new($buffer, Merge => 1, AutoClose => 1), " constructor passes" |
186 | or diag $$Error; |
187 | |
188 | $gz->write("FGHI"); |
189 | $gz->close(); |
190 | |
191 | #hexDump($buffer); |
192 | my $out = anyUncompress($dest); |
193 | |
194 | is $out, "FGHI", ' Merge OK'; |
195 | } |
196 | } |
197 | |
198 | { |
199 | title "$CompressClass - Merge to file that doesn't exist"; |
200 | |
201 | my $lex = new LexFile my $out_file ; |
202 | |
203 | ok ! -e $out_file, " Destination file, '$out_file', does not exist"; |
204 | |
205 | ok my $gz1 = $CompressClass->new($out_file, Merge => 1) |
206 | or die "# $CompressClass->new failed: $$Error\n"; |
207 | #hexDump($buffer); |
208 | $gz1->write("FGHI"); |
209 | $gz1->close(); |
210 | |
211 | #hexDump($buffer); |
212 | my $out = anyUncompress($out_file); |
213 | |
214 | is $out, "FGHI", ' Merged OK'; |
215 | } |
216 | |
217 | { |
218 | |
219 | my $lex = new LexFile my $out_file ; |
220 | |
221 | foreach my $to_file ( qw( buffer file handle ) ) |
222 | { |
223 | foreach my $content (undef, '', 'x', 'abcde') |
224 | { |
225 | #next if ! defined $content && $to_file; |
226 | |
227 | my $buffer ; |
228 | my $disp_content = defined $content ? $content : '<undef>' ; |
229 | my $str_content = defined $content ? $content : '' ; |
230 | |
231 | if ($to_file eq 'buffer') |
232 | { |
233 | my $x ; |
234 | $buffer = \$x ; |
235 | title "$CompressClass to Buffer, content is '$disp_content'"; |
236 | } |
237 | else |
238 | { |
239 | $buffer = $out_file ; |
240 | if ($to_file eq 'handle') |
241 | { |
242 | title "$CompressClass to Filehandle, content is '$disp_content'"; |
243 | } |
244 | else |
245 | { |
246 | title "$CompressClass to File, content is '$disp_content'"; |
247 | } |
248 | } |
249 | |
250 | my $gz = $CompressClass->new($buffer); |
251 | my $len = defined $content ? length($content) : 0 ; |
252 | is $gz->write($content), $len, " write ok"; |
253 | ok $gz->close(), " close ok"; |
254 | |
255 | #hexDump($buffer); |
256 | is anyUncompress($buffer), $str_content, ' Destination is ok'; |
257 | |
258 | #if ($corruption) |
259 | #{ |
260 | # next if $TopTypes eq 'RawDeflate' && $content eq ''; |
261 | # |
262 | #} |
263 | |
264 | my $dest = $buffer ; |
265 | if ($to_file eq 'handle') |
266 | { |
267 | $dest = new IO::File "+<$buffer" ; |
268 | } |
269 | |
270 | my $gz1 = $CompressClass->new($dest, Merge => 1, AutoClose => 1) |
271 | or die "## Error is $$Error\n"; |
272 | |
273 | #print "YYY\n"; |
274 | #hexDump($buffer); |
275 | #print "XXX\n"; |
276 | is $gz1->write("FGHI"), 4, " write returned 4"; |
277 | ok $gz1->close(), " close ok"; |
278 | |
279 | #hexDump($buffer); |
280 | my $out = anyUncompress($buffer); |
281 | |
282 | is $out, $str_content . "FGHI", ' Merged OK'; |
283 | #exit; |
284 | } |
285 | } |
286 | |
287 | } |
288 | |
289 | |
290 | |
291 | { |
292 | my $Func = getTopFuncRef($CompressClass); |
293 | my $TopType = getTopFuncName($CompressClass); |
294 | |
295 | my $buffer ; |
296 | |
297 | my $lex = new LexFile my $out_file ; |
298 | |
299 | foreach my $to_file (0, 1) |
300 | { |
301 | foreach my $content (undef, '', 'x', 'abcde') |
302 | { |
303 | my $disp_content = defined $content ? $content : '<undef>' ; |
304 | my $str_content = defined $content ? $content : '' ; |
305 | my $buffer ; |
306 | if ($to_file) |
307 | { |
308 | $buffer = $out_file ; |
309 | title "$TopType to File, content is '$disp_content'"; |
310 | } |
311 | else |
312 | { |
313 | my $x = ''; |
314 | $buffer = \$x ; |
315 | title "$TopType to Buffer, content is '$disp_content'"; |
316 | } |
317 | |
318 | |
319 | ok $Func->(\$content, $buffer), " Compress content"; |
320 | #hexDump($buffer); |
321 | is anyUncompress($buffer), $str_content, ' Destination is ok'; |
322 | |
323 | |
324 | ok $Func->(\"FGHI", $buffer, Merge => 1), " Merge content"; |
325 | |
326 | #hexDump($buffer); |
327 | my $out = anyUncompress($buffer); |
328 | |
329 | is $out, $str_content . "FGHI", ' Merged OK'; |
330 | } |
331 | } |
332 | |
333 | } |
334 | |
335 | } |
336 | |
337 | |
338 | 1; |