searchmsg: allow lines (and bytes) to be zero

We will occasionally see legit messages with zero lines,
be sure we index that count for NNTP clients.

I'm not sure about bytes being zero (aside from purged
messages), but we should've dealt with that earlier up
the stack.

2 files changed, 7 insertions, 2 deletions

diff --git a/lib/PublicInbox/SearchMsg.pm b/lib/PublicInbox/SearchMsg.pm
index 42384936..84fe4802 100644
--- a/lib/PublicInbox/SearchMsg.pm
+++ b/lib/PublicInbox/SearchMsg.pm
@@ -42,8 +42,8 @@ sub to_doc_data {
                 $self->cc,
                 $oid,
                 $mid0,
-                $self->{bytes} || '',
-                $self->{lines} || ''
+                $self->{bytes} // '',
+                $self->{lines} // ''
         );
 }
 
diff --git a/t/v2mirror.t b/t/v2mirror.t
index dc930d90..2e23e763 100644
--- a/t/v2mirror.t
+++ b/t/v2mirror.t
@@ -55,6 +55,11 @@ for my $i (1..9) {
 my $epoch_max = $v2w->{epoch_max};
 ok($epoch_max > 0, "multiple epochs");
 $v2w->done;
+{
+        my $smsg = $ibx->over->get_art(1);
+        like($smsg->{lines}, qr/\A[0-9]+\z/, 'lines is a digit');
+        like($smsg->{bytes}, qr/\A[0-9]+\z/, 'bytes is a digit');
+}
 $ibx->cleanup;
 
 my $sock = tcp_server();