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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Future;
use Future::AsyncAwait;
async sub identity
{
await $_[0];
}
# scalar
{
my $f1 = Future->done( "result" );
my $fret = identity( $f1 );
isa_ok( $fret, [ "Future" ], 'identity() returns a Future' );
ok( $fret->is_ready, '$fret is immediate for done scalar' );
is( scalar $fret->get, "result", '$fret->get for done scalar' );
}
# list
{
my $f1 = Future->done( list => "goes", "here" );
my $fret = identity( $f1 );
isa_ok( $fret, [ "Future" ], 'identity() returns a Future' );
ok( $fret->is_ready, '$fret is immediate for done list' );
is( [ $fret->get ], [qw( list goes here )], '$fret->get for done list' );
}
# stack discipline test
{
my $f1 = Future->done( 4, 5 );
my $fret = (async sub {
1, 2, [ 3, await $f1, 6 ], 7, 8
})->();
is( [ $fret->get ], [ 1, 2, [ 3, 4, 5, 6 ], 7, 8 ],
'async/await respects stack discipline' );
}
# failure
{
my $f1 = Future->fail( "It failed\n" );
my $fret = identity( $f1 );
isa_ok( $fret, [ "Future" ], 'identity() returns a Future' );
ok( $fret->is_ready, '$fret is immediate for fail' );
is( $fret->failure, "It failed\n", '$fret->failure for fail' );
}
done_testing;
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