+ok($outhtml =~ /width="42".*expecting 42x/);
+ok($outhtml =~ /height="43".*expecting x43/);
+ok($outhtml =~ /width="42" height="43".*expecting 42x43/);
+
+SKIP: {
+ skip "PDF support not installed (try ghostscript)", 2
+ unless $PDFS_WORK;
+ is(size("$outpath/12x-twopages.png"), "12x12");
+ is(size("$outpath/16x-p1-twopages.png"), "16x2");
+}
+
+ok($outhtml =~ /width="8" height="8".*expecting 8x8/);
+is(size("$outpath/x8-hello:world.png"), "8x8");
+is(size("$outpath/x4-a:b:c.png"), "4x4");
+is(size("$outpath/x6-a:b:c:d:e:f:g:h:i:j.png"), "6x6");
+
+is(size("$outpath/11x-redsquare.jpg"), "11x11");
+is(size("$outpath/12x-redsquare.jpeg"), "12x12");
+is(size("$outpath/13x-SHOUTY.JPG"), "13x13");
+like($outhtml, qr{src="(\./)?imgconversions/11x-redsquare\.jpg" width="11" height="11"});
+like($outhtml, qr{src="(\./)?imgconversions/12x-redsquare\.jpeg" width="12" height="12"});
+like($outhtml, qr{src="(\./)?imgconversions/13x-SHOUTY\.JPG" width="13" height="13"});
+
+# We do not misinterpret images
+my $quot = qr/(?:"|")/;
+like($outhtml, qr/${quot}really-svg\.png${quot} does not seem to be a valid png file/);
+ok(! -e "$outpath/666x-really-svg.png");
+ok(! -e "$outpath/666x-really-svg.bmp");
+like($outhtml, qr/${quot}really-pdf\.JPEG${quot} does not seem to be a valid jpeg file/);
+ok(! -e "$outpath/666x-really-pdf.jpeg");
+ok(! -e "$outpath/666x-really-pdf.JPEG");
+like($outhtml, qr/${quot}really-pdf\.jpg${quot} does not seem to be a valid jpeg file/);
+ok(! -e "$outpath/666x-really-pdf.jpg");
+like($outhtml, qr/${quot}really-pdf\.png${quot} does not seem to be a valid png file/);
+ok(! -e "$outpath/666x-really-pdf.png");
+
+# We do not auto-detect file content unless specifically asked to do so
+ok(! -e "$outpath/16x-redsquare.bmp");
+like($outhtml, qr{${quot}?bmp${quot}? image processing disabled in img_allowed_formats configuration});
+
+# resize is deterministic when deterministic=1
+ok(utime(333333333, 333333333, "t/tmp/in/redsquare.png"));
+ok(! system("rm $outpath/10x-redsquare.png"));
+ok(! system(@command, '--set-yaml', 'img_allowed_formats=[JPEG, PNG, svg, pdf]', '--set', 'deterministic=1', "--rebuild"));
+ok(! system("cp $outpath/10x-redsquare.png $outpath/10x-redsquare.png.orig"));
+ok(utime(444444444, 444444444, "t/tmp/in/redsquare.png"));
+ok(! system("rm $outpath/10x-redsquare.png"));
+ok(! system(@command, '--set-yaml', 'img_allowed_formats=[JPEG, PNG, svg, pdf]', '--set', 'deterministic=1', "--rebuild"));
+ok(
+ ! system("cmp $outpath/10x-redsquare.png $outpath/10x-redsquare.png.orig"),
+ "resize is deterministic when configured with deterministic=1"
+);
+
+# disable support for uncommon formats and try again
+ok(! system(@command, "--rebuild"));
+ok(! -e "$outpath/10x-bluesquare.png");
+ok(! -e "$outpath/12x-twopages.png");
+ok(! -e "$outpath/16x-p1-twopages.png");
+ok(! -e "$outpath/16x-redsquare.bmp");
+like($outhtml, qr{${quot}?bmp${quot}? image processing disabled in img_allowed_formats configuration});
+
+# enable support for everything (this is a terrible idea if you have
+# untrusted users)
+ok(! system(@command, '--set-yaml', 'img_allowed_formats=[everything]', '--rebuild'));
+
+$outhtml = readfile("$outpath.html");
+is(size("$outpath/16x-redsquare.bmp"), "16x16");
+like($outhtml, qr{src="(\./)?imgconversions/16x-redsquare\.bmp" width="16" height="16"});
+unlike($outhtml, qr{${quot}bmp${quot} image processing disabled in img_allowed_formats configuration});
+
+is(size("$outpath/10x-redsquare.png"), "10x10");
+ok(! -e "$outpath/30x-redsquare.png");
+ok($outhtml =~ /width="30" height="30".*expecting 30x30/);
+ok($outhtml =~ /width="42".*expecting 42x/);
+ok($outhtml =~ /height="43".*expecting x43/);
+ok($outhtml =~ /width="42" height="43".*expecting 42x43/);