Commit | Line | Data |
32381de9 |
1 | use strictures 1; |
2 | use Test::More; |
3 | |
4 | { |
5 | package Foo; |
6 | |
7 | use Moo; |
8 | |
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9 | has one => (is => 'rw', weak_ref => 1); |
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10 | |
11 | package Foo2; |
12 | |
13 | use Moo; |
14 | |
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15 | our $preexist = {}; |
16 | has one => (is => 'rw', lazy => 1, weak_ref => 1, default => sub { $preexist }); |
17 | has two => (is => 'rw', lazy => 1, weak_ref => 1, default => sub { {} }); |
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18 | } |
19 | |
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20 | my $ref = {}; |
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21 | my $foo = Foo->new(one => $ref); |
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22 | is($foo->one, $ref, 'value present'); |
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23 | ok(Scalar::Util::isweak($foo->{one}), 'value weakened'); |
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24 | undef $ref; |
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25 | ok(!defined $foo->{one}, 'weak value gone'); |
26 | |
27 | my $foo2 = Foo2->new; |
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28 | ok(my $ref2 = $foo2->one, 'external value returned'); |
29 | is($foo2->one, $ref2, 'value maintained'); |
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30 | ok(Scalar::Util::isweak($foo2->{one}), 'value weakened'); |
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31 | is($foo2->one($ref2), $ref2, 'value returned from setter'); |
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32 | undef $ref2; |
33 | ok(!defined $foo->{one}, 'weak value gone'); |
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34 | |
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35 | is($foo2->two, undef, 'weak+lazy ref not returned'); |
36 | is($foo2->{two}, undef, 'internal value not set'); |
37 | my $ref3 = {}; |
38 | is($foo2->two($ref3), $ref3, 'value returned from setter'); |
39 | undef $ref3; |
40 | ok(!defined $foo->{two}, 'weak value gone'); |
41 | |
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42 | |
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43 | # test readonly SVs |
44 | sub mk_ref { \ 'yay' }; |
45 | my $foo_ro = eval { Foo->new(one => mk_ref()) }; |
46 | if ($] < 5.008003) { |
47 | like( |
48 | $@, |
49 | qr/\QReference to readonly value in "one" can not be weakened on Perl < 5.8.3/, |
50 | 'Expected exception thrown on old perls' |
51 | ); |
52 | } |
5f578bd3 |
53 | elsif ($^O eq 'cygwin' and $] < 5.012000) { |
54 | SKIP: { skip 'Static coderef reaping seems nonfunctional on cygwin < 5.12', 1 } |
55 | } |
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56 | else { |
57 | is(${$foo_ro->one},'yay', 'value present'); |
58 | ok(Scalar::Util::isweak($foo_ro->{one}), 'value weakened'); |
59 | |
60 | { no warnings 'redefine'; *mk_ref = sub {} } |
61 | ok (!defined $foo_ro->{one}, 'optree reaped, ro static value gone'); |
62 | } |
32381de9 |
63 | |
64 | done_testing; |