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1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | use FindBin; |
7 | use File::Spec::Functions; |
8 | |
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9 | use Test::More tests => 15; |
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10 | use Test::Exception; |
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11 | use Scalar::Util; |
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12 | |
13 | BEGIN { |
14 | use_ok('Class::MOP'); |
15 | } |
16 | |
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17 | use lib catdir($FindBin::Bin, 'lib'); |
18 | |
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19 | { |
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20 | package Foo; |
21 | |
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22 | use strict; |
23 | use warnings; |
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24 | use metaclass; |
25 | |
26 | __PACKAGE__->meta->make_immutable; |
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27 | |
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28 | package Bar; |
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29 | |
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30 | use strict; |
31 | use warnings; |
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32 | use metaclass; |
33 | |
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34 | __PACKAGE__->meta->make_immutable; |
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35 | |
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36 | package Baz; |
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37 | |
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38 | use strict; |
39 | use warnings; |
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40 | use metaclass 'MyMetaClass'; |
41 | |
42 | sub mymetaclass_attributes{ |
43 | shift->meta->mymetaclass_attributes; |
44 | } |
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45 | |
46 | ::lives_ok { |
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47 | Baz->meta->superclasses('Bar'); |
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48 | } '... we survive the metaclass incompatability test'; |
49 | } |
50 | |
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51 | { |
52 | my $meta = Baz->meta; |
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53 | ok($meta->is_mutable, '... Baz is mutable'); |
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54 | is(Foo->meta->blessed, Bar->meta->blessed, 'Foo and Bar immutable metaclasses match'); |
55 | is($meta->blessed, 'MyMetaClass', 'Baz->meta blessed as MyMetaClass'); |
56 | ok(Baz->can('mymetaclass_attributes'), '... Baz can do method before immutable'); |
57 | ok($meta->can('mymetaclass_attributes'), '... meta can do method before immutable'); |
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58 | lives_ok { $meta->make_immutable } "Baz is now immutable"; |
59 | ok($meta->is_immutable, '... Baz is immutable'); |
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60 | isa_ok($meta, 'MyMetaClass', 'Baz->meta'); |
61 | ok(Baz->can('mymetaclass_attributes'), '... Baz can do method after imutable'); |
62 | ok($meta->can('mymetaclass_attributes'), '... meta can do method after immutable'); |
63 | isnt(Baz->meta->blessed, Bar->meta->blessed, 'Baz and Bar immutable metaclasses are different'); |
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64 | lives_ok { $meta->make_mutable } "Baz is now mutable"; |
65 | ok($meta->is_mutable, '... Baz is mutable again'); |
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66 | } |