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#!./perl
BEGIN {
chdir 't' if -d 't';
require './test.pl';
set_up_inc('../lib');
require Config;
}
use v5.36;
use feature 'class';
no warnings 'experimental::class';
# A legacy-perl class to act as a test helper
package DestructionNotify {
sub new { my $pkg = shift; bless [ @_ ], $pkg }
sub DESTROY { my $self = shift; ${ $self->[0] } .= $self->[1] }
}
{
my $destroyed;
my $notifier = DestructionNotify->new( \$destroyed, 1 );
undef $notifier;
$destroyed or
BAIL_OUT('DestructionNotify does not work');
}
{
my $destroyed;
class Test1 {
field $x;
method x { return $x; }
ADJUST {
$x = DestructionNotify->new( \$destroyed, "x" );
}
field $y;
field $z;
ADJUST {
# These in the "wrong" order just to prove to ourselves that it
# doesn't matter
$z = DestructionNotify->new( \$destroyed, "z" );
$y = DestructionNotify->new( \$destroyed, "y" );
}
}
my $obj = Test1->new;
ok(!$destroyed, 'Destruction notify not yet triggered');
refcount_is $obj, 1, 'Object has one reference';
# one in $obj, one stack temporary here
refcount_is $obj->x, 2, 'DestructionNotify has two references';
undef $obj;
is($destroyed, "zyx", 'Destruction notify triggered by object destruction in the correct order');
}
done_testing;
|
