Commit | Line | Data |
0882828e |
1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
1a7ebbb3 |
6 | use Test::More tests => 6; |
0882828e |
7 | |
8 | BEGIN { |
9 | use_ok('Class::MOP'); |
10 | use_ok('Class::MOP::Class'); |
11 | } |
12 | |
13 | =pod |
14 | |
15 | A |
16 | / \ |
17 | B C |
18 | \ / |
19 | D |
20 | |
21 | =cut |
22 | |
23 | { |
24 | package My::A; |
aa448b16 |
25 | use metaclass; |
0882828e |
26 | package My::B; |
27 | our @ISA = ('My::A'); |
28 | package My::C; |
29 | our @ISA = ('My::A'); |
30 | package My::D; |
31 | our @ISA = ('My::B', 'My::C'); |
32 | } |
33 | |
34 | is_deeply( |
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35 | [ My::D->meta->class_precedence_list ], |
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36 | [ 'My::D', 'My::B', 'My::A', 'My::C', 'My::A' ], |
37 | '... My::D->meta->class_precedence_list == (D B A C A)'); |
38 | |
39 | =pod |
40 | |
bfe4d0fc |
41 | A <-+ |
42 | | | |
43 | B | |
44 | | | |
45 | C --+ |
0882828e |
46 | |
47 | =cut |
48 | |
49 | { |
50 | package My::2::A; |
aa448b16 |
51 | use metaclass; |
bfe4d0fc |
52 | our @ISA = ('My::2::C'); |
53 | |
0882828e |
54 | package My::2::B; |
bfe4d0fc |
55 | our @ISA = ('My::2::A'); |
56 | |
57 | package My::2::C; |
58 | our @ISA = ('My::2::B'); |
0882828e |
59 | } |
60 | |
aa448b16 |
61 | eval { My::2::B->meta->class_precedence_list }; |
0882828e |
62 | ok($@, '... recursive inheritance breaks correctly :)'); |
63 | |
64 | =pod |
65 | |
66 | +--------+ |
67 | | A | |
68 | | / \ | |
69 | +->B C-+ |
70 | \ / |
71 | D |
72 | |
73 | =cut |
74 | |
75 | { |
76 | package My::3::A; |
aa448b16 |
77 | use metaclass; |
0882828e |
78 | package My::3::B; |
79 | our @ISA = ('My::3::A'); |
80 | package My::3::C; |
81 | our @ISA = ('My::3::A', 'My::3::B'); |
82 | package My::3::D; |
83 | our @ISA = ('My::3::B', 'My::3::C'); |
84 | } |
85 | |
86 | is_deeply( |
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87 | [ My::3::D->meta->class_precedence_list ], |
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88 | [ 'My::3::D', 'My::3::B', 'My::3::A', 'My::3::C', 'My::3::A', 'My::3::B', 'My::3::A' ], |
89 | '... My::3::D->meta->class_precedence_list == (D B A C A B A)'); |
fe122940 |
90 | |
91 | =pod |
92 | |
93 | Test all the class_precedence_lists |
94 | using Perl's own dispatcher to check |
95 | against. |
96 | |
97 | =cut |
98 | |
99 | my @CLASS_PRECEDENCE_LIST; |
100 | |
101 | { |
102 | package Foo; |
aa448b16 |
103 | use metaclass; |
fe122940 |
104 | |
105 | sub CPL { push @CLASS_PRECEDENCE_LIST => 'Foo' } |
106 | |
107 | package Bar; |
108 | our @ISA = ('Foo'); |
109 | |
110 | sub CPL { |
111 | push @CLASS_PRECEDENCE_LIST => 'Bar'; |
112 | $_[0]->SUPER::CPL(); |
113 | } |
114 | |
115 | package Baz; |
aa448b16 |
116 | use metaclass; |
fe122940 |
117 | our @ISA = ('Bar'); |
118 | |
119 | sub CPL { |
120 | push @CLASS_PRECEDENCE_LIST => 'Baz'; |
121 | $_[0]->SUPER::CPL(); |
122 | } |
123 | |
124 | package Foo::Bar; |
125 | our @ISA = ('Baz'); |
126 | |
127 | sub CPL { |
128 | push @CLASS_PRECEDENCE_LIST => 'Foo::Bar'; |
129 | $_[0]->SUPER::CPL(); |
130 | } |
131 | |
132 | package Foo::Bar::Baz; |
133 | our @ISA = ('Foo::Bar'); |
134 | |
135 | sub CPL { |
136 | push @CLASS_PRECEDENCE_LIST => 'Foo::Bar::Baz'; |
137 | $_[0]->SUPER::CPL(); |
138 | } |
139 | |
140 | } |
141 | |
142 | Foo::Bar::Baz->CPL(); |
143 | |
144 | is_deeply( |
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145 | [ Foo::Bar::Baz->meta->class_precedence_list ], |
fe122940 |
146 | [ @CLASS_PRECEDENCE_LIST ], |
147 | '... Foo::Bar::Baz->meta->class_precedence_list == @CLASS_PRECEDENCE_LIST'); |
148 | |