+# Copyright (C) 2016 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use Test::More;
+use_ok 'PublicInbox::Qspawn';
+{
+ my $x = PublicInbox::Qspawn->new([qw(true)]);
+ my $run = 0;
+ $x->start(sub {
+ my ($rpipe) = @_;
+ is(0, sysread($rpipe, my $buf, 1), 'read zero bytes');
+ ok(!$x->finish, 'no error on finish');
+ $run = 1;
+ });
+ is($run, 1, 'callback ran alright');
+}
+
+{
+ my $x = PublicInbox::Qspawn->new([qw(false)]);
+ my $run = 0;
+ $x->start(sub {
+ my ($rpipe) = @_;
+ is(0, sysread($rpipe, my $buf, 1), 'read zero bytes from false');
+ my $err = $x->finish;
+ is($err, 256, 'error on finish');
+ $run = 1;
+ });
+ is($run, 1, 'callback ran alright');
+}
+
+foreach my $cmd ([qw(sleep 1)], [qw(sh -c), 'sleep 1; false']) {
+ my $s = PublicInbox::Qspawn->new($cmd);
+ my @run;
+ $s->start(sub {
+ my ($rpipe) = @_;
+ push @run, 'sleep';
+ is(0, sysread($rpipe, my $buf, 1), 'read zero bytes');
+ });
+ my $n = 0;
+ my @t = map {
+ my $i = $n++;
+ my $x = PublicInbox::Qspawn->new([qw(true)]);
+ $x->start(sub {
+ my ($rpipe) = @_;
+ push @run, $i;
+ });
+ [$x, $i]
+ } (0..2);
+
+ if ($cmd->[-1] =~ /false\z/) {
+ ok($s->finish, 'got error on false after sleep');
+ } else {
+ ok(!$s->finish, 'no error on sleep');
+ }
+ ok(!$_->[0]->finish, "true $_->[1] succeeded") foreach @t;
+ is_deeply([qw(sleep 0 1 2)], \@run, 'ran in order');
+}
+
+done_testing();
+
+1;