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|
#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
BEGIN {
plan skip_all => "Future is not available"
unless eval { require Future };
plan skip_all => "Future::AsyncAwait >= 0.50 is not available"
unless eval { require Future::AsyncAwait;
Future::AsyncAwait->VERSION( '0.50' ) };
plan skip_all => "Syntax::Keyword::Defer >= 0.02 is not available"
unless eval { require Syntax::Keyword::Defer;
Syntax::Keyword::Defer->VERSION( '0.02' ) };
Future::AsyncAwait->import;
Syntax::Keyword::Defer->import;
diag( "Future::AsyncAwait $Future::AsyncAwait::VERSION, " .
"Syntax::Keyword::Defer $Syntax::Keyword::Defer::VERSION" );
}
# defer before await
{
my $ok;
my $f1 = Future->new;
my $fret = (async sub {
defer { $ok = "1" }
await $f1;
return "result";
})->();
ok( !defined $ok, '$ok not yet defined' );
$f1->done;
is( await $fret, "result", '$fret yields result' );
is( $ok, "1", '$ok after ->done' );
}
# defer after await
{
my $ok;
my $f1 = Future->new;
my $fret = (async sub {
await $f1;
defer { $ok = "2" }
return "result";
})->();
ok( !defined $ok, '$ok not yet defined' );
$f1->done;
is( await $fret, "result", '$fret yields result' );
is( $ok, "2", '$ok after ->done' );
}
# defer still runs for cancel (RT135351)
{
my $ok;
my $f1 = Future->new;
my $fret = (async sub {
defer { $ok++ }
await $f1;
})->();
ok( !$ok, 'defer {} not run before ->cancel' );
$fret->cancel;
ok( $ok, 'defer {} was run after ->cancel' );
}
done_testing;
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