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1 | use strict; |
2 | use warnings; |
3 | |
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4 | use FindBin; |
5 | use File::Spec::Functions; |
6 | |
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7 | use Test::More tests => 14; |
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8 | use Test::Exception; |
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9 | use Scalar::Util; |
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10 | |
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11 | use Class::MOP; |
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12 | |
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13 | use lib catdir($FindBin::Bin, 'lib'); |
14 | |
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15 | { |
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16 | package Foo; |
17 | |
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18 | use strict; |
19 | use warnings; |
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20 | use metaclass; |
21 | |
22 | __PACKAGE__->meta->make_immutable; |
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23 | |
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24 | package Bar; |
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25 | |
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26 | use strict; |
27 | use warnings; |
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28 | use metaclass; |
29 | |
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30 | __PACKAGE__->meta->make_immutable; |
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31 | |
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32 | package Baz; |
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33 | |
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34 | use strict; |
35 | use warnings; |
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36 | use metaclass 'MyMetaClass'; |
37 | |
38 | sub mymetaclass_attributes{ |
39 | shift->meta->mymetaclass_attributes; |
40 | } |
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41 | |
42 | ::lives_ok { |
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43 | Baz->meta->superclasses('Bar'); |
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44 | } '... we survive the metaclass incompatibility test'; |
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45 | } |
46 | |
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47 | { |
48 | my $meta = Baz->meta; |
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49 | ok($meta->is_mutable, '... Baz is mutable'); |
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50 | isnt(Scalar::Util::blessed(Foo->meta), Scalar::Util::blessed(Bar->meta), |
51 | 'Foo and Bar immutable metaclasses do not match'); |
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52 | is(Scalar::Util::blessed($meta), 'MyMetaClass', 'Baz->meta blessed as MyMetaClass'); |
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53 | ok(Baz->can('mymetaclass_attributes'), '... Baz can do method before immutable'); |
54 | ok($meta->can('mymetaclass_attributes'), '... meta can do method before immutable'); |
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55 | lives_ok { $meta->make_immutable } "Baz is now immutable"; |
56 | ok($meta->is_immutable, '... Baz is immutable'); |
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57 | isa_ok($meta, 'MyMetaClass', 'Baz->meta'); |
58 | ok(Baz->can('mymetaclass_attributes'), '... Baz can do method after imutable'); |
59 | ok($meta->can('mymetaclass_attributes'), '... meta can do method after immutable'); |
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60 | isnt(Scalar::Util::blessed(Baz->meta), Scalar::Util::blessed(Bar->meta), 'Baz and Bar immutable metaclasses are different'); |
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61 | lives_ok { $meta->make_mutable } "Baz is now mutable"; |
62 | ok($meta->is_mutable, '... Baz is mutable again'); |
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63 | } |