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