3 use Test::More tests => 4;
5 use Imager::Test qw(test_image);
7 # giflib 4.2.0 and 5.0.0 had a bug with producing the wrong
8 # GIF87a/GIF89a header, test we get the right header
9 # https://rt.cpan.org/Ticket/Display.html?id=79679
10 # https://sourceforge.net/tracker/?func=detail&aid=3574283&group_id=102202&atid=631304
11 my $im = test_image()->to_paletted();
15 ok($im->write(data => \$data, type => "gif"),
16 "write with no tags, should be GIF87a");
17 is(substr($data, 0, 6), "GIF87a", "check header is GIF87a");
22 ok($im->write(data => \$data, type => "gif", gif_loop => 1),
23 "write with loop tags, should be GIF89a");
24 is(substr($data, 0, 6), "GIF89a", "check header is GIF89a");