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|
#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use Future;
use Future::AsyncAwait;
# if await in cond
{
async sub with_if_cond
{
if( await $_[0] ) {
return "true";
}
else {
return "false";
}
}
my $f1 = Future->new;
my $fret = with_if_cond( $f1 );
ok( !$fret->is_ready, '$fret not immediate with_if_cond' );
$f1->done( 1 );
is( scalar $fret->get, "true", '$fret now ready after done' );
}
# if await in body
{
async sub with_if_body
{
if( $_[0] ) {
return await $_[1];
}
else {
return "immediate";
}
}
my $f1 = Future->new;
my $fret = with_if_body( 1, $f1 );
$f1->done( "defer" );
is( scalar $fret->get, "defer", '$fret now ready after done in if body' );
$fret = with_if_body( 0, undef );
is( scalar $fret->get, "immediate", '$fret now ready after done in if body immediate' );
}
# do await in body
{
async sub with_do_body
{
return 1 + do {
my $f = $_[0];
await $f;
};
}
my $f1 = Future->new;
my $fret = with_do_body( $f1 );
$f1->done( 10 );
is( scalar $fret->get, 11, '$fret now ready after done in do body' );
}
# await in eval{}
{
async sub with_eval
{
my $f = shift;
local $@;
my $ret = eval {
await $f;
return "tried";
} or die $@;
return "($ret)";
}
my $f1 = Future->new;
my $fret = with_eval( $f1 );
$f1->done;
is( scalar $fret->get, "(tried)", '$fret now ready after done in eval' );
}
done_testing;
|
