Commit | Line | Data |
---|---|---|
e1a479c5 BB |
1 | #!./perl |
2 | ||
3 | use strict; | |
4 | use warnings; | |
e1a479c5 | 5 | |
c94dd5be | 6 | require q(./test.pl); plan(tests => 2); |
e1a479c5 BB |
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 mro 'c3'; | |
24 | ||
25 | sub foo { 'Diamond_A::foo' } | |
26 | } | |
27 | { | |
28 | package Diamond_B; | |
29 | use base 'Diamond_A'; | |
30 | use mro 'c3'; | |
31 | ||
32 | sub foo { 'Diamond_B::foo => ' . (shift)->SUPER::foo } | |
33 | } | |
34 | { | |
35 | package Diamond_C; | |
36 | use mro 'c3'; | |
37 | use base 'Diamond_A'; | |
38 | ||
39 | } | |
40 | { | |
41 | package Diamond_D; | |
42 | use base ('Diamond_C', 'Diamond_B'); | |
43 | use mro 'c3'; | |
44 | ||
45 | sub foo { 'Diamond_D::foo => ' . (shift)->SUPER::foo } | |
46 | } | |
47 | ||
c94dd5be | 48 | ok(eq_array( |
e1a479c5 | 49 | mro::get_linear_isa('Diamond_D'), |
c94dd5be RGS |
50 | [ qw(Diamond_D Diamond_C Diamond_B Diamond_A) ] |
51 | ), '... got the right MRO for Diamond_D'); | |
e1a479c5 BB |
52 | |
53 | is(Diamond_D->foo, | |
54 | 'Diamond_D::foo => Diamond_B::foo => Diamond_A::foo', | |
55 | '... got the right next::method dispatch path'); |