use Forks::Super ':test';
use Test::More tests => 5;
use strict;
use warnings;

# exercise fork { retries => ... } function

BEGIN {
    *Forks::Super::Job::_CORE_fork = *mockfork;
}

our $TIMES_TO_FAIL = 0;

sub mockfork {
    if ($TIMES_TO_FAIL-- > 0) {
	sleep 1;
	return undef;
    }
    return CORE::fork();
}


# default retries is zero.
$TIMES_TO_FAIL = 1;
my $pid = fork( sub => sub { exit 0 } );
ok(!defined $pid, "default retries = 0");

$TIMES_TO_FAIL = 1;
$pid = fork { retries => 0, sub => sub { exit 0 } };
ok(!defined $pid, "retries = 0");

$TIMES_TO_FAIL = 1;
$pid = fork { retries => 1, sub => sub { exit 0 } };
ok(isValidPid($pid), "retries 1 succeeds");

# use a shorter pause to speed this test up.
$Forks::Super::Job::_RETRY_PAUSE = 0.5;
$TIMES_TO_FAIL = 5;
$pid = fork { retries => 2, sub => sub { exit 0 } };
ok(!defined $pid, "retries 2 fails");

$Forks::Super::Job::_RETRY_PAUSE = 0.1;
$TIMES_TO_FAIL = 5;
$pid = fork { retries => 10, sub => sub { exit 0 } };
ok(isValidPid($pid), "retries 10 succeeds");