Commit | Line | Data |
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1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
6 | use Test::More tests => 3; |
7 | |
8 | BEGIN { |
9 | use_ok('Class::C3'); |
10 | # uncomment this line, and re-run the |
11 | # test to see the normal p5 dispatch order |
12 | #$Class::C3::TURN_OFF_C3 = 1; |
13 | } |
14 | |
15 | =pod |
16 | |
17 | This tests a strange bug found by Matt S. Trout |
18 | while building DBIx::Class. Thanks Matt!!!! |
19 | |
20 | <A> |
21 | / \ |
22 | <C> <B> |
23 | \ / |
24 | <D> |
25 | |
26 | =cut |
27 | |
28 | { |
29 | package Diamond_A; |
30 | use Class::C3; |
31 | |
32 | sub foo { 'Diamond_A::foo' } |
33 | } |
34 | { |
35 | package Diamond_B; |
36 | use base 'Diamond_A'; |
37 | use Class::C3; |
38 | |
39 | sub foo { 'Diamond_B::foo => ' . (shift)->next::method } |
40 | } |
41 | { |
42 | package Diamond_C; |
43 | use Class::C3; |
44 | use base 'Diamond_A'; |
45 | |
46 | } |
47 | { |
48 | package Diamond_D; |
49 | use base ('Diamond_C', 'Diamond_B'); |
50 | use Class::C3; |
51 | |
52 | sub foo { 'Diamond_D::foo => ' . (shift)->next::method } |
53 | } |
54 | |
2ffffc6d |
55 | Class::C3::initialize(); |
56 | |
f7facd7b |
57 | is_deeply( |
58 | [ Class::C3::calculateMRO('Diamond_D') ], |
59 | [ qw(Diamond_D Diamond_C Diamond_B Diamond_A) ], |
60 | '... got the right MRO for Diamond_D'); |
61 | |
62 | is(Diamond_D->foo, |
63 | 'Diamond_D::foo => Diamond_B::foo => Diamond_A::foo', |
64 | '... got the right next::method dispatch path'); |