--- /dev/null
+print "1..3\n";
+use Imager qw(:all);
+
+init_log("testout/t105gif.log",1);
+
+$green=i_color_new(0,255,0,255);
+$blue=i_color_new(0,0,255,255);
+$red=i_color_new(255,0,0,255);
+
+$img=Imager::ImgRaw::new(150,150,3);
+
+i_box_filled($img,70,25,130,125,$green);
+i_box_filled($img,20,25,80,125,$blue);
+i_arc($img,75,75,30,0,361,$red);
+i_conv($img,[0.1, 0.2, 0.4, 0.2, 0.1]);
+
+my $timg = Imager::ImgRaw::new(20, 20, 4);
+my $trans = i_color_new(255, 0, 0, 127);
+i_box_filled($timg, 0, 0, 20, 20, $green);
+i_box_filled($timg, 2, 2, 18, 18, $trans);
+
+if (!i_has_format("tiff")) {
+ print "ok 1 # skip no tiff support\n";
+ print "ok 2 # skip no tiff support\n";
+ print "ok 3 # skip no tiff support\n";
+} else {
+ open(FH,">testout/t10.tiff") || die "cannot open testout/t10.tiff for writing\n";
+ binmode(FH);
+ my $IO = Imager::io_new_fd(fileno(FH));
+ i_writetiff_wiol($img, $IO);
+ close(FH);
+
+ print "ok 1\n";
+
+ open(FH,"testout/t10.tiff") or die "cannot open testout/t10.tiff\n";
+ binmode(FH);
+ $IO = Imager::io_new_fd(fileno(FH));
+ $cmpimg = i_readtiff_wiol($IO, -1);
+
+ close(FH);
+
+ print "# tiff average mean square pixel difference: ",sqrt(i_img_diff($img,$cmpimg))/150*150,"\n";
+ print "ok 2\n";
+
+ $IO = Imager::io_new_bufchain();
+
+ Imager::i_writetiff_wiol($img, $IO) or die "Cannot write to bufferchain\n";
+ my $tiffdata = Imager::io_slurp($IO);
+
+ open(FH,"testout/t10.tiff");
+ my $odata;
+ { local $/;
+ $odata = <FH>;
+ }
+
+ if ($odata eq $tiffdata) {
+ print "ok 3\n";
+ } else {
+ print "not ok 3\n";
+ }
+}
+