truncate Message-IDs and References consistently

We need to stop ghost messages from generating longer
Message-IDs than Xapian can handle with terms.

1 files changed, 22 insertions, 0 deletions

diff --git a/t/v2writable.t b/t/v2writable.t
index 4a7cfb90..7e29ef76 100644
--- a/t/v2writable.t
+++ b/t/v2writable.t
@@ -235,4 +235,26 @@ EOF
         $im->done;
 }
 
+{
+        my @warn;
+        my $x = 'x'x250;
+        my $y = 'y'x250;
+        local $SIG{__WARN__} = sub { push @warn, @_ };
+        $mime->header_set('Subject', 'long mid');
+        $mime->header_set('Message-ID', "<$x>");
+        ok($im->add($mime), 'add excessively long Message-ID');
+
+        $mime->header_set('Message-ID', "<$y>");
+        $mime->header_set('References', "<$x>");
+        ok($im->add($mime), 'add excessively long References');
+        $im->barrier;
+
+        my $msgs = $ibx->search->reopen->get_thread('x'x244)->{msgs};
+        is(2, scalar(@$msgs), 'got both messages');
+        is($msgs->[0]->{mid}, 'x'x244, 'stored truncated mid');
+        is($msgs->[1]->{references}, '<'.('x'x244).'>', 'stored truncated ref');
+        is($msgs->[1]->{mid}, 'y'x244, 'stored truncated mid(2)');
+        $im->done;
+}
+
 done_testing();