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use strict;
use warnings;
use Test::More tests => 10;
use MRO::Compat;
{
package AAA; our @ISA = qw//;
package BBB; our @ISA = qw/AAA/;
package CCC; our @ISA = qw/AAA/;
package DDD; our @ISA = qw/AAA/;
package EEE; our @ISA = qw/BBB CCC DDD/;
package FFF; our @ISA = qw/EEE DDD/;
package GGG; our @ISA = qw/FFF/;
package UNIVERSAL; our @ISA = qw/DDD/;
}
is_deeply(
mro::get_linear_isa('GGG'),
[ 'GGG', 'FFF', 'EEE', 'BBB', 'AAA', 'CCC', 'DDD' ],
"get_linear_isa for GGG",
);
is_deeply(
[sort @{mro::get_isarev('GGG')}],
[],
"get_isarev for GGG",
);
is_deeply(
[sort @{mro::get_isarev('DDD')}],
[ 'EEE', 'FFF', 'GGG', 'UNIVERSAL' ],
"get_isarev for DDD",
);
is_deeply(
[sort @{mro::get_isarev('AAA')}],
[ 'BBB', 'CCC', 'DDD', 'EEE', 'FFF', 'GGG', 'UNIVERSAL' ],
"get_isarev for AAA",
);
ok(mro::is_universal('UNIVERSAL'), "UNIVERSAL is_universal");
ok(mro::is_universal('DDD'), "DDD is_universal");
ok(mro::is_universal('AAA'), "AAA is_universal");
ok(!mro::is_universal('MRO::Compat'), "MRO::Compat !is_universal");
ok(!mro::is_universal('BBB'), "BBB !is_universal");
ok(!mro::is_universal('FFF'), "FFF !is_universal");