X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=t%2Fmsgmap.t;h=f1250bca2da5a39a22023fa862afdd17453fd63d;hb=1bbfab375438f149dcff9047dd0c5ed3a08eed53;hp=4dddd0a81852b22c60601b1965d1e7b11224897c;hpb=a46893a2b5dabfdbcf7b593ac19967daecfb1772;p=public-inbox.git

diff --git a/t/msgmap.t b/t/msgmap.t
index 4dddd0a8..f1250bca 100644
--- a/t/msgmap.t
+++ b/t/msgmap.t
@@ -1,4 +1,4 @@
-# Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2015-2019 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 use strict;
 use warnings;
@@ -30,6 +30,9 @@ $@ = undef;
 my $ret = $d->mid_insert('a@b');
 is($ret, undef, 'duplicate mid_insert in undef result');
 is($d->num_for('a@b'), $mid2num{'a@b'}, 'existing number not clobbered');
+my $next = (sort(keys %num2mid))[-1];
+is($d->mid_insert('ok@unique'), $next + 1,
+	'got expected num after failing mid_insert');
 
 foreach my $n (keys %num2mid) {
 	is($d->mid_for($n), $num2mid{$n}, "num:$n maps correctly");