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use strict;
use warnings;
use Test::More tests => 5;
use DateTime::Locale;
DateTime::Locale->add_aliases( foo => 'root' );
DateTime::Locale->add_aliases( bar => 'foo' );
DateTime::Locale->add_aliases( baz => 'bar' );
eval { DateTime::Locale->add_aliases( bar => 'baz' ) };
like( $@, qr/loop/, 'cannot add an alias that would cause a loop' );
my $l = DateTime::Locale->load('baz');
isa_ok( $l, 'DateTime::Locale::Base' );
is( $l->id, 'baz', 'id is baz' );
ok( DateTime::Locale->remove_alias('baz'),
'remove_alias should return true' );
eval { DateTime::Locale->load('baz') };
like( $@, qr/invalid/i, 'removed alias should be gone' );
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