1#!/usr/bin/perl
2
3use strict;
4use warnings;
5
6use Test::More tests => 2;
7
8BEGIN {
9    use_ok('Class::C3::XS');
10}
11
12=pod
13
14
15This example is take from: http://www.python.org/2.3/mro.html
16
17"My second example"
18class O: pass
19class F(O): pass
20class E(O): pass
21class D(O): pass
22class C(D,F): pass
23class B(E,D): pass
24class A(B,C): pass
25
26                           6
27                          ---
28Level 3                  | O |
29                       /  ---  \
30                      /    |    \
31                     /     |     \
32                    /      |      \
33                  ---     ---    ---
34Level 2        2 | E | 4 | D |  | F | 5
35                  ---     ---    ---
36                   \      / \     /
37                    \    /   \   /
38                     \  /     \ /
39                      ---     ---
40Level 1            1 | B |   | C | 3
41                      ---     ---
42                       \       /
43                        \     /
44                          ---
45Level 0                0 | A |
46                          ---
47
48>>> A.mro()
49(<class '__main__.A'>, <class '__main__.B'>, <class '__main__.E'>,
50<class '__main__.C'>, <class '__main__.D'>, <class '__main__.F'>,
51<type 'object'>)
52
53=cut
54
55{
56    package Test::O;
57    our @ISA = qw//;
58    
59    package Test::F;
60    use base 'Test::O';
61    
62    package Test::E;
63    use base 'Test::O';
64        
65    package Test::D;
66    use base 'Test::O';    
67    
68    package Test::C;
69    use base ('Test::D', 'Test::F');
70
71    package Test::B;
72    use base ('Test::E', 'Test::D');
73        
74    package Test::A;
75    use base ('Test::B', 'Test::C');
76}
77
78is_deeply(
79    [ Class::C3::XS::calculateMRO('Test::A') ],
80    [ qw(Test::A Test::B Test::E Test::C Test::D Test::F Test::O) ],
81    '... got the right MRO for Test::A');      
82