3 use Test::More tests => 195;
5 use Imager::Test qw(test_image_raw test_image_16 is_color3 is_color1 is_image);
7 -d "testout" or mkdir "testout";
9 Imager->open_log(log => "testout/t104ppm.log");
11 my $green = i_color_new(0,255,0,255);
12 my $blue = i_color_new(0,0,255,255);
13 my $red = i_color_new(255,0,0,255);
17 my $img = test_image_raw();
19 my $fh = openimage(">testout/t104.ppm");
20 push @files, "t104.ppm";
21 my $IO = Imager::io_new_fd(fileno($fh));
22 ok(i_writeppm_wiol($img, $IO), "write pnm low")
23 or die "Cannot write testout/t104.ppm\n";
26 $IO = Imager::io_new_bufchain();
27 ok(i_writeppm_wiol($img, $IO), "write to bufchain")
28 or die "Cannot write to bufchain";
29 my $data = Imager::io_slurp($IO);
31 $fh = openimage("testout/t104.ppm");
32 $IO = Imager::io_new_fd( fileno($fh) );
33 my $cmpimg = i_readpnm_wiol($IO,-1);
34 ok($cmpimg, "read image we wrote")
35 or die "Cannot read testout/t104.ppm\n";
38 is(i_img_diff($img, $cmpimg), 0, "compare written and read images");
40 my $rdata = slurp("testout/t104.ppm");
41 is($data, $rdata, "check data read from file and bufchain data");
43 # build a grayscale image
44 my $gimg = Imager::ImgRaw::new(150, 150, 1);
45 my $gray = i_color_new(128, 0, 0, 255);
46 my $dgray = i_color_new(64, 0, 0, 255);
47 my $white = i_color_new(255, 0, 0, 255);
48 i_box_filled($gimg, 20, 20, 130, 130, $gray);
49 i_box_filled($gimg, 40, 40, 110, 110, $dgray);
50 i_arc($gimg, 75, 75, 30, 0, 361, $white);
52 push @files, "t104_gray.pgm";
53 open FH, "> testout/t104_gray.pgm" or die "Cannot create testout/t104_gray.pgm: $!\n";
55 $IO = Imager::io_new_fd(fileno(FH));
56 ok(i_writeppm_wiol($gimg, $IO), "write grayscale");
59 open FH, "< testout/t104_gray.pgm" or die "Cannot open testout/t104_gray.pgm: $!\n";
61 $IO = Imager::io_new_fd(fileno(FH));
62 my $gcmpimg = i_readpnm_wiol($IO, -1);
63 ok($gcmpimg, "read grayscale");
64 is(i_img_diff($gimg, $gcmpimg), 0,
65 "compare written and read greyscale images");
67 my $ooim = Imager->new;
68 ok($ooim->read(file=>"testimg/simple.pbm"), "read simple pbm, via OO");
70 check_gray(Imager::i_get_pixel($ooim->{IMG}, 0, 0), 0);
71 check_gray(Imager::i_get_pixel($ooim->{IMG}, 0, 1), 255);
72 check_gray(Imager::i_get_pixel($ooim->{IMG}, 1, 0), 255);
73 check_gray(Imager::i_get_pixel($ooim->{IMG}, 1, 1), 0);
74 is($ooim->type, 'paletted', "check pbm read as paletted");
75 is($ooim->tags(name=>'pnm_type'), 1, "check pnm_type tag");
78 # https://rt.cpan.org/Ticket/Display.html?id=7465
79 # the pnm reader ignores the maxval that it reads from the pnm file
80 my $maxval = Imager->new;
81 ok($maxval->read(file=>"testimg/maxval.ppm"),
82 "read testimg/maxval.ppm");
84 # this image contains three pixels, with each sample from 0 to 63
85 # the pixels are (63, 63, 63), (32, 32, 32) and (31, 31, 0)
87 # check basic parameters
88 is($maxval->getchannels, 3, "channel count");
89 is($maxval->getwidth, 3, "width");
90 is($maxval->getheight, 1, "height");
93 ok(my ($white, $grey, $green) = $maxval->getpixel('x'=>[0,1,2], 'y'=>[0,0,0]), "fetch pixels");
94 is_color3($white, 255, 255, 255, "white pixel");
95 is_color3($grey, 130, 130, 130, "grey pixel");
96 is_color3($green, 125, 125, 0, "green pixel");
97 is($maxval->tags(name=>'pnm_type'), 6, "check pnm_type tag on maxval");
99 # and do the same for ASCII images
100 my $maxval_asc = Imager->new;
101 ok($maxval_asc->read(file=>"testimg/maxval_asc.ppm"),
102 "read testimg/maxval_asc.ppm");
104 # this image contains three pixels, with each sample from 0 to 63
105 # the pixels are (63, 63, 63), (32, 32, 32) and (31, 31, 0)
107 # check basic parameters
108 is($maxval_asc->getchannels, 3, "channel count");
109 is($maxval_asc->getwidth, 3, "width");
110 is($maxval_asc->getheight, 1, "height");
112 is($maxval->tags(name=>'pnm_type'), 6, "check pnm_type tag on maxval");
115 ok(my ($white_asc, $grey_asc, $green_asc) = $maxval_asc->getpixel('x'=>[0,1,2], 'y'=>[0,0,0]), "fetch pixels");
116 is_color3($white_asc, 255, 255, 255, "white asc pixel");
117 is_color3($grey_asc, 130, 130, 130, "grey asc pixel");
118 is_color3($green_asc, 125, 125, 0, "green asc pixel");
121 { # previously we didn't validate maxval at all, make sure it's
123 my $maxval0 = Imager->new;
124 ok(!$maxval0->read(file=>'testimg/maxval_0.ppm'),
125 "should fail to read maxval 0 image");
126 print "# ", $maxval0->errstr, "\n";
127 like($maxval0->errstr, qr/maxval is zero - invalid pnm file/,
128 "error expected from reading maxval_0.ppm");
130 my $maxval65536 = Imager->new;
131 ok(!$maxval65536->read(file=>'testimg/maxval_65536.ppm'),
132 "should fail reading maxval 65536 image");
133 print "# ",$maxval65536->errstr, "\n";
134 like($maxval65536->errstr, qr/maxval of 65536 is over 65535 - invalid pnm file/,
135 "error expected from reading maxval_65536.ppm");
137 # maxval of 256 is valid, and handled as of 0.56
138 my $maxval256 = Imager->new;
139 ok($maxval256->read(file=>'testimg/maxval_256.ppm'),
140 "should succeed reading maxval 256 image");
141 is_color3($maxval256->getpixel(x => 0, 'y' => 0),
142 0, 0, 0, "check black in maxval_256");
143 is_color3($maxval256->getpixel(x => 0, 'y' => 1),
144 255, 255, 255, "check white in maxval_256");
145 is($maxval256->bits, 16, "check bits/sample on maxval 256");
147 # make sure we handle maxval > 255 for ascii
148 my $maxval4095asc = Imager->new;
149 ok($maxval4095asc->read(file=>'testimg/maxval_4095_asc.ppm'),
150 "read maxval_4095_asc.ppm");
151 is($maxval4095asc->getchannels, 3, "channels");
152 is($maxval4095asc->getwidth, 3, "width");
153 is($maxval4095asc->getheight, 1, "height");
154 is($maxval4095asc->bits, 16, "check bits/sample on maxval 4095");
156 ok(my ($white, $grey, $green) = $maxval4095asc->getpixel('x'=>[0,1,2], 'y'=>[0,0,0]), "fetch pixels");
157 is_color3($white, 255, 255, 255, "white 4095 pixel");
158 is_color3($grey, 128, 128, 128, "grey 4095 pixel");
159 is_color3($green, 127, 127, 0, "green 4095 pixel");
162 { # check i_format is set when reading a pnm file
163 # doesn't really matter which file.
164 my $maxval = Imager->new;
165 ok($maxval->read(file=>"testimg/maxval.ppm"),
167 my ($type) = $maxval->tags(name=>'i_format');
168 is($type, 'pnm', "check i_format");
171 { # check file limits are checked
172 my $limit_file = "testout/t104.ppm";
173 ok(Imager->set_file_limits(reset=>1, width=>149), "set width limit 149");
174 my $im = Imager->new;
175 ok(!$im->read(file=>$limit_file),
176 "should fail read due to size limits");
177 print "# ",$im->errstr,"\n";
178 like($im->errstr, qr/image width/, "check message");
180 ok(Imager->set_file_limits(reset=>1, height=>149), "set height limit 149");
181 ok(!$im->read(file=>$limit_file),
182 "should fail read due to size limits");
183 print "# ",$im->errstr,"\n";
184 like($im->errstr, qr/image height/, "check message");
186 ok(Imager->set_file_limits(reset=>1, width=>150), "set width limit 150");
187 ok($im->read(file=>$limit_file),
188 "should succeed - just inside width limit");
189 ok(Imager->set_file_limits(reset=>1, height=>150), "set height limit 150");
190 ok($im->read(file=>$limit_file),
191 "should succeed - just inside height limit");
193 # 150 x 150 x 3 channel image uses 67500 bytes
194 ok(Imager->set_file_limits(reset=>1, bytes=>67499),
195 "set bytes limit 67499");
196 ok(!$im->read(file=>$limit_file),
197 "should fail - too many bytes");
198 print "# ",$im->errstr,"\n";
199 like($im->errstr, qr/storage size/, "check error message");
200 ok(Imager->set_file_limits(reset=>1, bytes=>67500),
201 "set bytes limit 67500");
202 ok($im->read(file=>$limit_file),
203 "should succeed - just inside bytes limit");
204 Imager->set_file_limits(reset=>1);
208 # check we correctly sync with the data stream
209 my $im = Imager->new;
210 ok($im->read(file => 'testimg/pgm.pgm', type => 'pnm'),
212 or print "# cannot read pgm.pgm: ", $im->errstr, "\n";
213 print "# ", $im->getsamples('y' => 0), "\n";
214 is_color1($im->getpixel(x=>0, 'y' => 0), 254, "check top left");
217 { # check error messages set correctly
218 my $im = Imager->new;
219 ok(!$im->read(file=>'t/t104ppm.t', type=>'pnm'),
220 'should fail to read script as an image file');
221 is($im->errstr, 'unable to read pnm image: bad header magic, not a PNM file',
222 "check error message");
227 # give 4/2 channel images a background color when saving to pnm
228 my $im = Imager->new(xsize=>16, ysize=>16, channels=>4);
229 $im->box(filled => 1, xmin => 8, color => '#FFE0C0');
230 $im->box(filled => 1, color => NC(0, 192, 192, 128),
231 ymin => 8, xmax => 7);
232 push @files, "t104_alpha.ppm";
233 ok($im->write(file=>"testout/t104_alpha.ppm", type=>'pnm'),
234 "should succeed writing 4 channel image");
235 my $imread = Imager->new;
236 ok($imread->read(file => 'testout/t104_alpha.ppm'), "read it back");
237 is_color3($imread->getpixel('x' => 0, 'y' => 0), 0, 0, 0,
238 "check transparent became black");
239 is_color3($imread->getpixel('x' => 8, 'y' => 0), 255, 224, 192,
240 "check color came through");
241 is_color3($imread->getpixel('x' => 0, 'y' => 15), 0, 96, 96,
242 "check translucent came through");
244 ok($im->write(data => \$data, type => 'pnm', i_background => '#FF0000'),
245 "write with red background");
246 ok($imread->read(data => $data, type => 'pnm'),
248 is_color3($imread->getpixel('x' => 0, 'y' => 0), 255, 0, 0,
249 "check transparent became red");
250 is_color3($imread->getpixel('x' => 8, 'y' => 0), 255, 224, 192,
251 "check color came through");
252 is_color3($imread->getpixel('x' => 0, 'y' => 15), 127, 96, 96,
253 "check translucent came through");
257 # more RT #30074 - 16 bit images
258 my $im = Imager->new(xsize=>16, ysize=>16, channels=>4, bits => 16);
259 $im->box(filled => 1, xmin => 8, color => '#FFE0C0');
260 $im->box(filled => 1, color => NC(0, 192, 192, 128),
261 ymin => 8, xmax => 7);
262 push @files, "t104_alp16.ppm";
263 ok($im->write(file=>"testout/t104_alp16.ppm", type=>'pnm',
264 pnm_write_wide_data => 1),
265 "should succeed writing 4 channel image");
266 my $imread = Imager->new;
267 ok($imread->read(file => 'testout/t104_alp16.ppm'), "read it back");
268 is($imread->bits, 16, "check we did produce a 16 bit image");
269 is_color3($imread->getpixel('x' => 0, 'y' => 0), 0, 0, 0,
270 "check transparent became black");
271 is_color3($imread->getpixel('x' => 8, 'y' => 0), 255, 224, 192,
272 "check color came through");
273 is_color3($imread->getpixel('x' => 0, 'y' => 15), 0, 96, 96,
274 "check translucent came through");
276 ok($im->write(data => \$data, type => 'pnm', i_background => '#FF0000',
277 pnm_write_wide_data => 1),
278 "write with red background");
279 ok($imread->read(data => $data, type => 'pnm'),
281 is($imread->bits, 16, "check it's 16-bit");
282 is_color3($imread->getpixel('x' => 0, 'y' => 0), 255, 0, 0,
283 "check transparent became red");
284 is_color3($imread->getpixel('x' => 8, 'y' => 0), 255, 224, 192,
285 "check color came through");
286 is_color3($imread->getpixel('x' => 0, 'y' => 15), 127, 96, 96,
287 "check translucent came through");
290 # various bad input files
291 print "# check error handling\n";
293 my $im = Imager->new;
294 ok(!$im->read(file => 'testimg/short_bin.ppm', type=>'pnm'),
295 "fail to read short bin ppm");
296 cmp_ok($im->errstr, '=~', 'short read - file truncated',
297 "check error message");
301 my $im = Imager->new;
302 ok(!$im->read(file => 'testimg/short_bin16.ppm', type=>'pnm'),
303 "fail to read short bin ppm (maxval 65535)");
304 cmp_ok($im->errstr, '=~', 'short read - file truncated',
305 "check error message");
309 my $im = Imager->new;
310 ok(!$im->read(file => 'testimg/short_bin.pgm', type=>'pnm'),
311 "fail to read short bin pgm");
312 cmp_ok($im->errstr, '=~', 'short read - file truncated',
313 "check error message");
317 my $im = Imager->new;
318 ok(!$im->read(file => 'testimg/short_bin16.pgm', type=>'pnm'),
319 "fail to read short bin pgm (maxval 65535)");
320 cmp_ok($im->errstr, '=~', 'short read - file truncated',
321 "check error message");
325 my $im = Imager->new;
326 ok(!$im->read(file => 'testimg/short_bin.pbm', type => 'pnm'),
327 "fail to read a short bin pbm");
328 cmp_ok($im->errstr, '=~', 'short read - file truncated',
329 "check error message");
333 my $im = Imager->new;
334 ok(!$im->read(file => 'testimg/short_asc.ppm', type => 'pnm'),
335 "fail to read a short asc ppm");
336 cmp_ok($im->errstr, '=~', 'short read - file truncated',
337 "check error message");
341 my $im = Imager->new;
342 ok(!$im->read(file => 'testimg/short_asc.pgm', type => 'pnm'),
343 "fail to read a short asc pgm");
344 cmp_ok($im->errstr, '=~', 'short read - file truncated',
345 "check error message");
349 my $im = Imager->new;
350 ok(!$im->read(file => 'testimg/short_asc.pbm', type => 'pnm'),
351 "fail to read a short asc pbm");
352 cmp_ok($im->errstr, '=~', 'short read - file truncated',
353 "check error message");
357 my $im = Imager->new;
358 ok(!$im->read(file => 'testimg/bad_asc.ppm', type => 'pnm'),
359 "fail to read a bad asc ppm");
360 cmp_ok($im->errstr, '=~', 'invalid data for ascii pnm',
361 "check error message");
365 my $im = Imager->new;
366 ok(!$im->read(file => 'testimg/bad_asc.pgm', type => 'pnm'),
367 "fail to read a bad asc pgm");
368 cmp_ok($im->errstr, '=~', 'invalid data for ascii pnm',
369 "check error message");
373 my $im = Imager->new;
374 ok(!$im->read(file => 'testimg/bad_asc.pbm', type => 'pnm'),
375 "fail to read a bad asc pbm");
376 cmp_ok($im->errstr, '=~', 'invalid data for ascii pnm',
377 "check error message");
381 my $im = Imager->new;
382 ok($im->read(file => 'testimg/short_bin.ppm', type => 'pnm',
383 allow_incomplete => 1),
384 "partial read bin ppm");
385 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
386 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
390 my $im = Imager->new;
391 ok($im->read(file => 'testimg/short_bin16.ppm', type => 'pnm',
392 allow_incomplete => 1),
393 "partial read bin16 ppm");
394 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
395 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
396 is($im->bits, 16, "check correct bits");
400 my $im = Imager->new;
401 ok($im->read(file => 'testimg/short_bin.pgm', type => 'pnm',
402 allow_incomplete => 1),
403 "partial read bin pgm");
404 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
405 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
409 my $im = Imager->new;
410 ok($im->read(file => 'testimg/short_bin16.pgm', type => 'pnm',
411 allow_incomplete => 1),
412 "partial read bin16 pgm");
413 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
414 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
418 my $im = Imager->new;
419 ok($im->read(file => 'testimg/short_bin.pbm', type => 'pnm',
420 allow_incomplete => 1),
421 "partial read bin pbm");
422 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
423 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
427 my $im = Imager->new;
428 ok($im->read(file => 'testimg/short_asc.ppm', type => 'pnm',
429 allow_incomplete => 1),
430 "partial read asc ppm");
431 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
432 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
436 my $im = Imager->new;
437 ok($im->read(file => 'testimg/short_asc.pgm', type => 'pnm',
438 allow_incomplete => 1),
439 "partial read asc pgm");
440 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
441 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
445 my $im = Imager->new;
446 ok($im->read(file => 'testimg/short_asc.pbm', type => 'pnm',
447 allow_incomplete => 1),
448 "partial read asc pbm");
449 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
450 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
454 my @imgs = Imager->read_multi(file => 'testimg/multiple.ppm');
455 is( 0+@imgs, 3, "Read 3 images");
456 is( $imgs[0]->tags( name => 'pnm_type' ), 1, "Image 1 is type 1" );
457 is( $imgs[0]->getwidth, 2, " ... width=2" );
458 is( $imgs[0]->getheight, 2, " ... width=2" );
459 is( $imgs[1]->tags( name => 'pnm_type' ), 6, "Image 2 is type 6" );
460 is( $imgs[1]->getwidth, 164, " ... width=164" );
461 is( $imgs[1]->getheight, 180, " ... width=180" );
462 is( $imgs[2]->tags( name => 'pnm_type' ), 5, "Image 3 is type 5" );
463 is( $imgs[2]->getwidth, 2, " ... width=2" );
464 is( $imgs[2]->getheight, 2, " ... width=2" );
468 my $im = Imager->new;
469 ok($im->read(file => 'testimg/bad_asc.ppm', type => 'pnm',
470 allow_incomplete => 1),
471 "partial read bad asc ppm");
472 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
473 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
477 my $im = Imager->new;
478 ok($im->read(file => 'testimg/bad_asc.pgm', type => 'pnm',
479 allow_incomplete => 1),
480 "partial read bad asc pgm");
481 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
482 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
486 my $im = Imager->new;
487 ok($im->read(file => 'testimg/bad_asc.pbm', type => 'pnm',
488 allow_incomplete => 1),
489 "partial read bad asc pbm");
490 is($im->tags(name => 'i_incomplete'), 1, "partial flag set");
491 is($im->tags(name => 'i_lines_read'), 1, "lines_read set");
495 print "# monochrome output\n";
496 my $im = Imager->new(xsize => 10, ysize => 10, channels => 1, type => 'paletted');
497 ok($im->addcolors(colors => [ '#000000', '#FFFFFF' ]),
498 "add black and white");
499 $im->box(filled => 1, xmax => 4, color => '#000000');
500 $im->box(filled => 1, xmin => 5, color => '#FFFFFF');
501 is($im->type, 'paletted', 'mono still paletted');
502 push @files, "t104_mono.pbm";
503 ok($im->write(file => 'testout/t104_mono.pbm', type => 'pnm'),
507 my $imread = Imager->new;
508 ok($imread->read(file => 'testout/t104_mono.pbm', type=>'pnm'),
510 or print "# ", $imread->errstr, "\n";
511 is($imread->type, 'paletted', "check result is paletted");
512 is($imread->tags(name => 'pnm_type'), 4, "check type");
513 is_image($im, $imread, "check image matches");
517 print "# monochrome output - reversed palette\n";
518 my $im = Imager->new(xsize => 10, ysize => 10, channels => 1, type => 'paletted');
519 ok($im->addcolors(colors => [ '#FFFFFF', '#000000' ]),
520 "add white and black");
521 $im->box(filled => 1, xmax => 4, color => '#000000');
522 $im->box(filled => 1, xmin => 5, color => '#FFFFFF');
523 is($im->type, 'paletted', 'mono still paletted');
524 push @files, "t104_mono2.pbm";
525 ok($im->write(file => 'testout/t104_mono2.pbm', type => 'pnm'),
529 my $imread = Imager->new;
530 ok($imread->read(file => 'testout/t104_mono2.pbm', type=>'pnm'),
532 or print "# ", $imread->errstr, "\n";
533 is($imread->type, 'paletted', "check result is paletted");
534 is($imread->tags(name => 'pnm_type'), 4, "check type");
535 is_image($im, $imread, "check image matches");
539 print "# 16-bit output\n";
541 my $im = test_image_16();
543 # without tag, it should do 8-bit output
544 ok($im->write(data => \$data, type => 'pnm'),
545 "write 16-bit image as 8-bit/sample ppm");
546 my $im8 = Imager->new;
547 ok($im8->read(data => $data), "read it back");
548 is($im8->tags(name => 'pnm_maxval'), 255, "check maxval");
549 is_image($im, $im8, "check image matches");
552 $im->settag(name => 'pnm_write_wide_data', value => 1);
554 ok($im->write(data => \$data, type => 'pnm'),
555 "write 16-bit image as 16-bit/sample ppm");
556 push @files, "t104_16.ppm";
557 $im->write(file=>'testout/t104_16.ppm');
558 my $im16 = Imager->new;
559 ok($im16->read(data => $data), "read it back");
560 is($im16->tags(name => 'pnm_maxval'), 65535, "check maxval");
561 push @files, "t104_16b.ppm";
562 $im16->write(file=>'testout/t104_16b.ppm');
563 is_image($im, $im16, "check image matches");
567 ok(grep($_ eq 'pnm', Imager->read_types), "check pnm in read types");
568 ok(grep($_ eq 'pnm', Imager->write_types), "check pnm in write types");
571 { # test new() loading an image
572 my $im = Imager->new(file => "testimg/penguin-base.ppm");
573 ok($im, "received an image");
574 is($im->getwidth, 164, "check width matches image");
576 # fail to load an image
577 my $im2 = Imager->new(file => "Imager.pm", filetype => "pnm");
578 ok(!$im2, "no image when file failed to load");
579 cmp_ok(Imager->errstr, '=~', "bad header magic, not a PNM file",
580 "check error message transferred");
585 ok(open(FH, "< testimg/penguin-base.ppm"), "open test file")
586 or skip("couldn't open data source", 4);
588 my $imdata = do { local $/; <FH> };
590 ok(length $imdata, "we got the data");
591 my $im3 = Imager->new(data => $imdata);
592 ok($im3, "read the file data");
593 is($im3->getwidth, 164, "check width matches image");
599 { # image too large handling
601 ok(!Imager->new(file => "testimg/toowide.ppm", filetype => "pnm"),
602 "fail to read a too wide image");
603 is(Imager->errstr, "unable to read pnm image: could not read image width: integer overflow",
604 "check error message");
607 ok(!Imager->new(file => "testimg/tootall.ppm", filetype => "pnm"),
608 "fail to read a too wide image");
609 is(Imager->errstr, "unable to read pnm image: could not read image height: integer overflow",
610 "check error message");
614 unless ($ENV{IMAGER_KEEP_FILES}) {
615 unlink "testout/t104ppm.log";
616 unlink map "testout/$_", @files;
622 open(FH, $fname) or die "Cannot open $fname: $!\n";
628 my $fh = openimage(shift);
639 is($g, $gray, "compare gray");