| 1 | #!./perl |
| 2 | |
| 3 | use strict; |
| 4 | use warnings; |
| 5 | |
| 6 | require q(./test.pl); plan(tests => 1); |
| 7 | |
| 8 | =pod |
| 9 | |
| 10 | example taken from: L<http://www.opendylan.org/books/drm/Method_Dispatch> |
| 11 | |
| 12 | Object |
| 13 | ^ |
| 14 | | |
| 15 | LifeForm |
| 16 | ^ ^ |
| 17 | / \ |
| 18 | Sentient BiPedal |
| 19 | ^ ^ |
| 20 | | | |
| 21 | Intelligent Humanoid |
| 22 | ^ ^ |
| 23 | \ / |
| 24 | Vulcan |
| 25 | |
| 26 | define class <sentient> (<life-form>) end class; |
| 27 | define class <bipedal> (<life-form>) end class; |
| 28 | define class <intelligent> (<sentient>) end class; |
| 29 | define class <humanoid> (<bipedal>) end class; |
| 30 | define class <vulcan> (<intelligent>, <humanoid>) end class; |
| 31 | |
| 32 | =cut |
| 33 | |
| 34 | { |
| 35 | package Object; |
| 36 | use mro 'c3'; |
| 37 | |
| 38 | package LifeForm; |
| 39 | use mro 'c3'; |
| 40 | use base 'Object'; |
| 41 | |
| 42 | package Sentient; |
| 43 | use mro 'c3'; |
| 44 | use base 'LifeForm'; |
| 45 | |
| 46 | package BiPedal; |
| 47 | use mro 'c3'; |
| 48 | use base 'LifeForm'; |
| 49 | |
| 50 | package Intelligent; |
| 51 | use mro 'c3'; |
| 52 | use base 'Sentient'; |
| 53 | |
| 54 | package Humanoid; |
| 55 | use mro 'c3'; |
| 56 | use base 'BiPedal'; |
| 57 | |
| 58 | package Vulcan; |
| 59 | use mro 'c3'; |
| 60 | use base ('Intelligent', 'Humanoid'); |
| 61 | } |
| 62 | |
| 63 | ok(eq_array( |
| 64 | mro::get_linear_isa('Vulcan'), |
| 65 | [ qw(Vulcan Intelligent Sentient Humanoid BiPedal LifeForm Object) ] |
| 66 | ), '... got the right MRO for the Vulcan Dylan Example'); |