diff --git a/t/format-ssa-header.t b/t/format-ssa-header.t
new file mode 100644
index 0000000..0c1b3f9
--- /dev/null
+++ b/t/format-ssa-header.t
@@ -0,0 +1,80 @@
+use strict;
+use warnings;
+
+use Test::More tests => 32;
+
+use Subtitle::SSA::Header;
+
+my (@lines, $header, $sample);
+
+$sample = <<"EOF";
+[Script Info]
+; Script generated by Aegisub 2.1.9
+; http://www.aegisub.org/
+Title: Some title
+ScriptType: v4.00+
+WrapStyle: 0
+PlayResX: 1280
+PlayResY: 720
+ScaledBorderAndShadow: yes
+Video Aspect Ratio: 0
+Video Zoom: 4
+Video Position: 11787
+Original Translation: Some author
+Original Editing: Some corrector
+Collisions: Normal
+Last Style Storage: Some style
+Audio File: ?video
+EOF
+
+$header = Subtitle::SSA::Header->new(version => 'ssa');
+@lines = split /\n/, $sample;
+diag scalar @lines;
+shift @lines; # skip header
+foreach my $line (@lines) {
+  ok($header->parse($line), 'line parsing');
+}
+is($header->get('ScriptType')            => 'v4.00+');
+is($header->get('Title')                 => 'Some title');
+is($header->get('WrapStyle')             => 0);
+is($header->get('PlayResX')              => 1280);
+is($header->get('PlayResY')              => 720);
+is($header->get('ScaledBorderAndShadow') => 'yes');
+is($header->get('Video Aspect Ratio')    => 0);
+is($header->get('Video Zoom')            => 4);
+is($header->get('Video Position')        => 11787);
+is($header->get('Original Translation')  => 'Some author');
+is($header->get('Original Editing')      => 'Some corrector');
+is($header->get('Collisions')            => 'Normal');
+is($header->get('Last Style Storage')    => 'Some style');
+is($header->get('Audio File')            => '?video');
+
+is($header->{_vers} => 'ass'); # changed with ScriptType
+
+$sample = <<"EOF";
+[Script Info]
+; generated with Subtitle::SSA
+ScriptType: v4.00+
+Title: Some title
+WrapStyle: 0
+PlayResX: 1280
+PlayResY: 720
+ScaledBorderAndShadow: yes
+Video Aspect Ratio: 0
+Video Zoom: 4
+Video Position: 11787
+Original Translation: Some author
+Original Editing: Some corrector
+Collisions: Normal
+Last Style Storage: Some style
+Audio File: ?video
+
+EOF
+
+is($sample => $header->to_string());
+
+use File::Slurp qw(write_file);
+write_file('a.txt', $sample);
+write_file('b.txt', $header->to_string());
+
+exit 0;