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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Future;
use Future::AsyncAwait;
# immediate done ANON scalar
{
my $want;
my $func = async sub {
$want = wantarray ? "list" :
defined wantarray ? "scalar" : "void";
return 5;
};
my $f = $func->();
isa_ok( $f, [ "Future" ], '$f' );
is( $want, "list", 'func saw list context' );
ok( $f->is_ready, '$f is immediate' );
is( scalar $f->get, 5, '$f->get' );
}
# immediate done named scalar
{
async sub func_10 {
return 10;
};
my $f = func_10();
isa_ok( $f, [ "Future" ], '$f' );
ok( $f->is_ready, '$f is immediate' );
is( scalar $f->get, 10, '$f->get' );
}
# immediate done list
{
async sub func_list {
return 1 .. 5
};
my $f = func_list();
isa_ok( $f, [ "Future" ], '$f' );
ok( $f->is_ready, '$f is immediate' );
is( [ $f->get ], [ 1 .. 5 ], '$f->get' );
}
# immediate fail
{
async sub func_die
{
die "Failure\n";
}
my $f = func_die();
isa_ok( $f, [ "Future" ], '$f' );
ok( $f->is_ready, '$f is immediate' );
is( scalar $f->failure, "Failure\n", '$f->failure' );
}
# immediate done list in list context
{
my @ret = (async sub { return 1, 2, 3 })->( 4, 5, 6 );
is( scalar @ret, 1, 'async sub returns 1 value in list context' ) or
diag( "async sub returned <@ret>" );
isa_ok( shift @ret, [ "Future" ], 'Single result was a Future' );
}
# async sub can be declared in another package
{
async sub Some::Other::Package::asub { return 123; }
ok( defined Some::Other::Package->can( "asub" ),
'async sub can be declared in another package' );
is( Some::Other::Package::asub->get, 123,
'async sub in another package runs OK' );
}
# unimport
{
no Future::AsyncAwait;
sub async { return "normal function" }
is( async, "normal function", 'async() parses as a normal function call' );
}
# (related to) RT151046
{
async sub forward_decl;
pass( 'Forward declaration of a sub permits async keyword' );
}
done_testing;
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