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204e6232 BF |
1 | #!/usr/bin/perl |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use utf8; | |
6 | use open qw( :utf8 :std ); | |
7 | ||
8 | require q(./test.pl); plan(tests => 5); | |
9 | ||
10 | =pod | |
11 | ||
12 | This tests the classic diamond inheritance pattern. | |
13 | ||
14 | <A> | |
15 | / \ | |
16 | <B> <C> | |
17 | \ / | |
18 | <D> | |
19 | ||
20 | =cut | |
21 | ||
22 | { | |
23 | package Diӑmond_A; | |
24 | use mro 'c3'; | |
25 | sub 헬ฬ { 'Diӑmond_A::헬ฬ' } | |
26 | sub fಓ { 'Diӑmond_A::fಓ' } | |
27 | } | |
28 | { | |
29 | package Diӑmond_B; | |
30 | use base 'Diӑmond_A'; | |
31 | use mro 'c3'; | |
32 | sub fಓ { 'Diӑmond_B::fಓ => ' . (shift)->next::method() } | |
33 | } | |
34 | { | |
35 | package Diӑmond_C; | |
36 | use mro 'c3'; | |
37 | use base 'Diӑmond_A'; | |
38 | ||
39 | sub 헬ฬ { 'Diӑmond_C::헬ฬ => ' . (shift)->next::method() } | |
40 | sub fಓ { 'Diӑmond_C::fಓ => ' . (shift)->next::method() } | |
41 | } | |
42 | { | |
43 | package Diӑmond_D; | |
44 | use base ('Diӑmond_B', 'Diӑmond_C'); | |
45 | use mro 'c3'; | |
46 | ||
47 | sub fಓ { 'Diӑmond_D::fಓ => ' . (shift)->next::method() } | |
48 | } | |
49 | ||
50 | ok(eq_array( | |
51 | mro::get_linear_isa('Diӑmond_D'), | |
52 | [ qw(Diӑmond_D Diӑmond_B Diӑmond_C Diӑmond_A) ] | |
53 | ), '... got the right MRO for Diӑmond_D'); | |
54 | ||
55 | is(Diӑmond_D->헬ฬ, 'Diӑmond_C::헬ฬ => Diӑmond_A::헬ฬ', '... method resolved itself as expected'); | |
56 | ||
57 | is(Diӑmond_D->can('헬ฬ')->('Diӑmond_D'), | |
58 | 'Diӑmond_C::헬ฬ => Diӑmond_A::헬ฬ', | |
59 | '... can(method) resolved itself as expected'); | |
60 | ||
61 | is(UNIVERSAL::can("Diӑmond_D", '헬ฬ')->('Diӑmond_D'), | |
62 | 'Diӑmond_C::헬ฬ => Diӑmond_A::헬ฬ', | |
63 | '... can(method) resolved itself as expected'); | |
64 | ||
65 | is(Diӑmond_D->fಓ, | |
66 | 'Diӑmond_D::fಓ => Diӑmond_B::fಓ => Diӑmond_C::fಓ => Diӑmond_A::fಓ', | |
67 | '... method fಓ resolved itself as expected'); |