+
+ my $oid = $x[0];
+ my $arg = { 'foo' => 'bar' };
+ my $res = [];
+ my $missing = [];
+ $gcf->cat_async($oid, sub {
+ my ($bref, $oid_hex, $type, $size, $arg) = @_;
+ $res = [ @_ ];
+ }, $arg);
+ $gcf->cat_async('non-existent', sub {
+ my ($bref, $oid_hex, $type, $size, $arg) = @_;
+ $missing = [ @_ ];
+ }, $arg);
+ $gcf->async_wait_all;
+ my ($bref, $oid_hex, $type, $size, $arg_res) = @$res;
+ is_deeply([$oid_hex, $type, $size], \@x, 'got expected header');
+ is($arg_res, $arg, 'arg passed to cat_async');
+ is_deeply($raw, $bref, 'blob result matches');
+ is_deeply($missing, [ undef, 'non-existent', 'missing', undef, $arg],
+ 'non-existent blob gives expected result');
+
+ $res = [];
+ $gcf->cat_async($oid, sub { push @$res, \@_ });
+ $gcf->cat_async($oid, sub { die 'HI' });
+ $gcf->cat_async($oid, sub { push @$res, \@_ });
+ eval { $gcf->async_wait_all };
+ like($@, qr/\bHI\b/, 'die in callback propagates');
+ is(scalar(@$res), 2, 'two results');
+ is_deeply($res->[0], [ $raw, @x, undef ], '1st cb result');
+ is_deeply($res->[1], [ undef, $oid, undef, undef, undef ],
+ '2nd cb aborted ');
+
+ my @w;
+ local $PublicInbox::Git::async_warn = 1;
+ local $SIG{__WARN__} = sub { push @w, @_ };
+ $res = [];
+ $gcf->cat_async($oid, sub { push @$res, \@_ });
+ $gcf->cat_async($oid, sub { die 'HI' });
+ $gcf->cat_async($oid, sub { push @$res, \@_ });
+ eval { $gcf->async_wait_all };
+ is(scalar(@$res), 2, 'two results');
+ is_deeply($res->[0], [ $raw, @x, undef ], '1st cb result');
+ is_deeply($res->[1], [ $raw, @x, undef ], '2st cb result');
+ like("@w", qr/\bHI\b/, 'die turned to warning');