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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Future;
use Future::AsyncAwait;
my $orig_cxstack_ix = Future::AsyncAwait::__cxstack_ix;
my $f;
my $failure;
async sub inner
{
my $ret = await $f;
die $failure if defined $failure;
return $ret;
}
async sub outer
{
await inner();
}
# await through two nested async sub calls
# See also RT123062
{
$f = Future->new;
my $fret = outer();
$f->done( "value" );
is( scalar $fret->get, "value", '$fret->get through two nested async subs' );
}
# die after double await
# See also RT126037
{
$f = Future->new;
my $fret = outer();
$failure = "Oopsie\n";
$f->done( "result" );
is( scalar $fret->failure, "Oopsie\n", '$fret->failure through two nested async subs' );
}
# await through two nested async method calls
{
my $f = Future->new;
package TestObj {
async sub inner {
await $f;
}
async sub outer {
my $mth = "inner";
await shift->$mth;
}
}
my $fret = TestObj->outer();
$f->done( "value" );
is( scalar $fret->get, "value", '$fret->get through two nested async methods' );
}
# await twice nested
{
my @f;
async sub f2
{
await $f[0];
}
async sub f1
{
await f2();
await f2();
}
@f = map { Future->new } 1 .. 2;
my $fret = f1();
( shift @f )->done( "result" ) while @f;
is( scalar $fret->get, "result", '$fret->get through nested double wait' );
}
# nested failure
{
my $f = Future->new;
async sub func_fail {
await $f;
}
async sub func_fail_wrap {
await func_fail();
}
my $fret = func_fail_wrap();
$f->fail("aiee\n");
is( $fret->failure, "aiee\n", "nested fail" );
}
is( Future::AsyncAwait::__cxstack_ix, $orig_cxstack_ix,
'cxstack_ix did not grow during the test' );
done_testing;
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