107 lines
3.5 KiB
Perl
107 lines
3.5 KiB
Perl
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# Before "make install", this script should be runnable with "make test".
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# After "make install" it should work as "perl t/PNG.t".
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BEGIN { $| = 1; print "1..5\n"; $Image::ExifTool::noConfig = 1; }
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END {print "not ok 1\n" unless $loaded;}
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# test 1: Load the module(s)
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use Image::ExifTool 'ImageInfo';
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use Image::ExifTool::PNG;
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$loaded = 1;
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print "ok 1\n";
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use t::TestLib;
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my $testname = 'PNG';
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my $testnum = 1;
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# test 2: Extract information from PNG.png
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{
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++$testnum;
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my $exifTool = new Image::ExifTool;
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my $info = $exifTool->ImageInfo('t/images/PNG.png');
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print 'not ' unless check($exifTool, $info, $testname, $testnum);
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print "ok $testnum\n";
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}
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# test 3: Write a bunch of new information to a PNG in memory
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{
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++$testnum;
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my $exifTool = new Image::ExifTool;
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$exifTool->SetNewValuesFromFile('t/images/IPTC.jpg');
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$exifTool->SetNewValuesFromFile('t/images/XMP.jpg');
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$exifTool->SetNewValue('PNG:Comment'); # and delete a tag
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$exifTool->SetNewValue('PixelsPerUnitX', 1234);
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my $image;
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my $rtnVal = $exifTool->WriteInfo('t/images/PNG.png', \$image);
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# must ignore FileSize because size is variable (depends on Zlib availability)
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my $info = $exifTool->ImageInfo(\$image, '-filesize');
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my $testfile = "t/${testname}_${testnum}_failed.png";
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if (check($exifTool, $info, $testname, $testnum)) {
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unlink $testfile; # erase results of any bad test
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} else {
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# save the bad image
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open(TESTFILE,">$testfile");
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binmode(TESTFILE);
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print TESTFILE $image;
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close(TESTFILE);
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print 'not ';
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}
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print "ok $testnum\n";
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}
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# test 4: Test group delete, alternate languages and special characters
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{
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++$testnum;
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my $exifTool = new Image::ExifTool;
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$exifTool->Options(Charset => 'Latin');
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$exifTool->SetNewValue('PNG:*');
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$exifTool->SetNewValue('XMP:*');
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$exifTool->SetNewValue('PNG:Comment-fr', "Commentaire fran\xe7aise");
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$exifTool->SetNewValue('PNG:Copyright', "\xa9 2010 Phil Harvey");
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$exifTool->SetNewValue('XMP:Description-bar' => "A Br\xfcn is a Gst\xf6");
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my $testfile = "t/${testname}_${testnum}_failed.png";
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unlink $testfile;
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my $rtnVal = $exifTool->WriteInfo('t/images/PNG.png', $testfile);
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$exifTool->Options(Charset => 'UTF8');
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my $info = $exifTool->ImageInfo($testfile, 'PNG:*', 'XMP:*');
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if (check($exifTool, $info, $testname, $testnum)) {
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unlink $testfile; # erase results of any bad test
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} else {
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print 'not ';
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}
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print "ok $testnum\n";
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}
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# test 5: Try moving XMP from after IDAT to before
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{
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++$testnum;
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my $exifTool = new Image::ExifTool;
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# start with a clean image
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$exifTool->SetNewValue('all');
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my $image;
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$exifTool->WriteInfo('t/images/PNG.png', \$image);
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# add new XMP (should go after IDAT)
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$exifTool->SetNewValue();
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$exifTool->SetNewValue('XMP:Subject' => 'test');
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$exifTool->WriteInfo(\$image);
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# delete all XMP then copy back again (should move to before IDAT)
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$exifTool->SetNewValue();
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my $txtfile = "t/${testname}_${testnum}.failed";
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open PNG_TEST_5, ">$txtfile" or warn "Error opening $txtfile\n";
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$exifTool->Options(Verbose => 2);
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$exifTool->Options(TextOut => \*PNG_TEST_5);
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$exifTool->SetNewValue('xmp:all');
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$exifTool->SetNewValuesFromFile(\$image, 'all:all<xmp:all');
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my $rtnVal = $exifTool->WriteInfo(\$image);
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close PNG_TEST_5;
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if (testCompare('t/PNG_5.out', $txtfile, $testnum)) {
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unlink $txtfile;
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} else {
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print 'not ';
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}
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print "ok $testnum\n";
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}
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# end
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