#!/usr/bin/pugs
use v6;
use Test;
plan 6;
# L<A12/"Object Deconstruction">
my $in_destructor = 0;
my @destructor_order;
class Foo
{
submethod DESTROY { $in_destructor++ }
}
class Parent
{
submethod DESTROY { push @destructor_order, 'Parent' }
}
class Child is Parent
{
submethod DESTROY { push @destructor_order, 'Child' }
}
my $foo = Foo.new();
is( $foo.ref, 'Foo', 'basic instantiation of declared class' );
ok( ! $in_destructor, 'destructor should not fire while object is active' );
# -- erratic behaviour; fail+todo for now
flunk("destruction - 1", :todo<bug>);
flunk("destruction - 2", :todo<bug>);
flunk("destruction - 3", :todo<bug>);
flunk("destruction - 4", :todo<bug>);
exit;
my $child = Child.new();
undefine $child;
# no guaranteed timely destruction, so replace $a and try to force some GC here
for 1 .. 100
{
$foo = Foo.new();
}
ok( $in_destructor, '... only when object goes away everywhere' );
is( @destructor_order[0], 'Child', 'Child DESTROY should fire first' );
is( @destructor_order[1], 'Parent', '... then parent' );
is( +@destructor_order, 2, '... only as many as available DESTROY submethods' );