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use Test::More;

BEGIN {
    eval "use Class::XSAccessor";
    $@ and plan skip_all => "Class::XSAccessor is needed";
};

plan tests => 4;

{
    package Foo;

    use Mo 'xs', 'default', 'builder';

    has 'this';
    has 'that' => (builder => 'that_builder');
    has 'them' => (default => sub {[]});

    use constant that_builder => 'O HAI';
}

my $f = Foo->new(this => 'thing');

is $f->this, 'thing', 'constructor works';

$f->this('thing2');

is $f->this, 'thing2', 'XS accessor works';

is $f->that, 'O HAI', 'builder still works';

is ref $f->them, 'ARRAY', 'default still works';