1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#!/usr/bin/perl -w
use strict;
use warnings qw(FATAL all);
use lib 'lib';
use Test::More tests => 12;
use Data::Alias;
sub refs { [map "".\$_, @_] }
our $x = alias [];
is @$x, 0;
is_deeply alias([$_]), [$_] for 1 .. 3;
$x = alias [42];
eval { $x->[0]++ };
like $@, qr/^Modification .* attempted /;
$x = alias [$x];
is_deeply refs(@$x), refs($x);
$x = alias [$x, our $y];
is_deeply refs(@$x), refs($x, $y);
$x = alias [$x, $y, our $z];
is_deeply refs(@$x), refs($x, $y, $z);
$x = alias [undef, $y, undef];
is @$x, 3;
is \$x->[1], \$y;
ok !exists $x->[0];
ok !exists $x->[2];
# vim: ft=perl
|
