Commit | Line | Data |
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204e6232 BF |
1 | #!./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 => 4); | |
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 Diᚪၚd_A; | |
24 | sub hèllò { 'Diᚪၚd_A::hèllò' } | |
25 | } | |
26 | { | |
27 | package Diᚪၚd_B; | |
28 | use base 'Diᚪၚd_A'; | |
29 | } | |
30 | { | |
31 | package Diᚪၚd_C; | |
32 | use base 'Diᚪၚd_A'; | |
33 | ||
34 | sub hèllò { 'Diᚪၚd_C::hèllò' } | |
35 | } | |
36 | { | |
37 | package Diᚪၚd_D; | |
38 | use base ('Diᚪၚd_B', 'Diᚪၚd_C'); | |
39 | use mro 'dfs'; | |
40 | } | |
41 | ||
42 | ok(eq_array( | |
43 | mro::get_linear_isa('Diᚪၚd_D'), | |
44 | [ qw(Diᚪၚd_D Diᚪၚd_B Diᚪၚd_A Diᚪၚd_C) ] | |
45 | ), '... got the right MRO for Diᚪၚd_D'); | |
46 | ||
47 | is(Diᚪၚd_D->hèllò, 'Diᚪၚd_A::hèllò', '... method resolved itself as expected'); | |
48 | is(Diᚪၚd_D->can('hèllò')->(), 'Diᚪၚd_A::hèllò', '... can(method) resolved itself as expected'); | |
49 | is(UNIVERSAL::can("Diᚪၚd_D", 'hèllò')->(), 'Diᚪၚd_A::hèllò', '... can(method) resolved itself as expected'); |