-# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2018-2019 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
use strict;
use warnings;
body => "hello world\n",
);
-my $res = content_id($mime);
-like($res, qr/\ASHA-256:[a-f0-9]{64}\z/, 'cid in format expected');
+my $orig = content_id($mime);
+my $reload = content_id(Email::MIME->new($mime->as_string));
+is($orig, $reload, 'content_id matches after serialization');
+
+foreach my $h (qw(From To Cc)) {
+ my $n = q("Quoted N'Ame" <foo@EXAMPLE.com>);
+ $mime->header_set($h, "$n");
+ my $q = content_id($mime);
+ is($mime->header($h), $n, "content_id does not mutate $h:");
+ $mime->header_set($h, 'Quoted N\'Ame <foo@example.com>');
+ my $nq = content_id($mime);
+ is($nq, $q, "quotes ignored in $h:");
+}
done_testing();