Commit | Line | Data |
e1a479c5 |
1 | #!./perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | BEGIN { |
6 | unless (-d 'blib') { |
7 | chdir 't' if -d 't'; |
8 | @INC = '../lib'; |
9 | } |
10 | } |
11 | |
12 | use Test::More tests => 2; |
13 | |
14 | =pod |
15 | |
16 | This tests a strange bug found by Matt S. Trout |
17 | while building DBIx::Class. Thanks Matt!!!! |
18 | |
19 | <A> |
20 | / \ |
21 | <C> <B> |
22 | \ / |
23 | <D> |
24 | |
25 | =cut |
26 | |
27 | { |
28 | package Diamond_A; |
29 | use mro 'c3'; |
30 | |
31 | sub foo { 'Diamond_A::foo' } |
32 | } |
33 | { |
34 | package Diamond_B; |
35 | use base 'Diamond_A'; |
36 | use mro 'c3'; |
37 | |
38 | sub foo { 'Diamond_B::foo => ' . (shift)->SUPER::foo } |
39 | } |
40 | { |
41 | package Diamond_C; |
42 | use mro 'c3'; |
43 | use base 'Diamond_A'; |
44 | |
45 | } |
46 | { |
47 | package Diamond_D; |
48 | use base ('Diamond_C', 'Diamond_B'); |
49 | use mro 'c3'; |
50 | |
51 | sub foo { 'Diamond_D::foo => ' . (shift)->SUPER::foo } |
52 | } |
53 | |
54 | is_deeply( |
55 | mro::get_linear_isa('Diamond_D'), |
56 | [ qw(Diamond_D Diamond_C Diamond_B Diamond_A) ], |
57 | '... got the right MRO for Diamond_D'); |
58 | |
59 | is(Diamond_D->foo, |
60 | 'Diamond_D::foo => Diamond_B::foo => Diamond_A::foo', |
61 | '... got the right next::method dispatch path'); |