Memoize-Once
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t/exception.t view on Meta::CPAN
use warnings;
use strict;
use Test::More tests => 14;
BEGIN { use_ok "Memoize::Once", qw(once); }
our($a, $i);
sub aa() { once(do { $i++; die "wibble" if $i < 3; $a }) }
is $i, undef;
$a = 11;
is eval { aa() }, undef;
like $@, qr/\Awibble/;
is $i, 1;
$a = 22;
is eval { aa() }, undef;
like $@, qr/\Awibble/;
is $i, 2;
$a = 33;
is eval { aa() }, 33;
is $@, "";
is $i, 3;
$a = 44;
is eval { aa() }, 33;
is $@, "";
is $i, 3;
1;
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