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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0 0.000148; # is_oneref
use Scalar::Util qw( reftype );
use Future;
use Future::AsyncAwait;
{
async sub identity
{
await $_[0];
}
my $f1 = Future->new;
my $fret = identity( $f1 );
# At this point we want to grab the generated CV that's now been pushed as
# a callback of $f1.
# This code is probably going to be very fragile, so we'll silently skip it
# if it fails to work
my $generated_cv;
if( reftype $f1 eq "HASH" and
$f1->{callbacks} and @{ $f1->{callbacks} } and
$f1->{callbacks}[0] and
ref $f1->{callbacks}[0][1] eq "CODE" ) {
$generated_cv = $f1->{callbacks}[0][1];
}
my $destroyed;
sub Destructor::DESTROY { $destroyed++ }
$f1->done( bless [], "Destructor" );
is_oneref( $f1, '$f1 should have one ref' );
undef $f1;
ok( !$destroyed, 'Not destroyed before $fret->get' );
$fret->get;
ok( !$destroyed, 'Not destroyed after $fret->get' );
is_oneref( $fret, '$fret should have one ref' );
undef $fret;
ok( $destroyed, 'Destroyed by dropping $fret' );
$generated_cv and
is_oneref( $generated_cv, '$generated_cv should have one ref' );
undef $generated_cv;
}
done_testing;
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