}
use_ok 'PublicInbox::Msgmap';
-my $tmpdir = tempdir(CLEANUP => 1);
+my $tmpdir = tempdir('pi-msgmap-XXXXXX', TMPDIR => 1, CLEANUP => 1);
my $d = PublicInbox::Msgmap->new($tmpdir, 1);
my %mid2num;
}
$@ = undef;
-eval { $d->mid_insert('a@b') };
-ok($@, 'error raised when attempting duplicate message ID');
-
+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');
foreach my $n (keys %num2mid) {
is($d->mid_for($n), $num2mid{$n}, "num:$n maps correctly");