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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0 0.000148; # is_oneref
BEGIN {
plan skip_all => "Future >= 0.49 is not available"
unless eval { require Future;
Future->VERSION( '0.49' ) };
plan skip_all => "Future::AsyncAwait >= 0.45 is not available"
unless eval { require Future::AsyncAwait;
Future::AsyncAwait->VERSION( '0.45' ) };
# version 5.37.10 added the ability to start_subparse() with CVf_IsMETHOD,
# which we need
plan skip_all => "feature 'class' is not available"
unless $^V ge v5.37.10;
plan skip_all => "XS::Parse::Sublike >= 0.17 is not in use"
unless $XS::Parse::Sublike::VERSION >= 0.17;
# If Future::XS is installed, then check it's at least 0.08; earlier
# versions will crash
if( eval { require Future::XS } ) {
plan skip_all => "Future::XS is installed but it is older than 0.08"
unless eval { Future::AsyncAwait->VERSION( '0.08' ); };
}
diag( "Future::AsyncAwait $Future::AsyncAwait::VERSION, " .
"core perl version $^V" );
}
use Future::AsyncAwait;
use feature 'class';
no warnings 'experimental::class';
# async method
{
class Thunker {
field $_times_thunked = 0;
method count { $_times_thunked }
async method thunk {
my ( $f ) = @_;
await $f;
$_times_thunked++;
return "result";
}
}
my $thunker = Thunker->new;
is_oneref( $thunker, 'after ->new' );
my $f1 = Future->new;
my $fret = $thunker->thunk( $f1 );
is_refcount( $thunker, 2, 'during async sub' );
is( $thunker->count, 0, 'count is 0 before $f1->done' );
$f1->done;
is_oneref( $thunker, 'after ->done' );
is( $thunker->count, 1, 'count is 1 after $f1->done' );
is( $fret->get, "result", '$fret for await in async method' );
}
done_testing;
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