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|---|
| e1a479c5 |
1 | #!./perl |
| 2 | |
| 3 | use strict; |
| 4 | use warnings; |
| 5 | BEGIN { |
| 6 | unless (-d 'blib') { |
| 7 | chdir 't' if -d 't'; |
| 8 | @INC = '../lib'; |
| 9 | } |
| 10 | } |
| 11 | |
| 12 | use Test::More tests => 12; |
| 13 | |
| 14 | =pod |
| 15 | |
| 16 | This example is taken from: http://rt.cpan.org/Public/Bug/Display.html?id=20879 |
| 17 | |
| 18 | --- --- --- |
| 19 | Level 5 8 | A | 9 | B | A | C | (More General) |
| 20 | --- --- --- V |
| 21 | \ | / | |
| 22 | \ | / | |
| 23 | \ | / | |
| 24 | \ | / | |
| 25 | --- | |
| 26 | Level 4 7 | D | | |
| 27 | --- | |
| 28 | / \ | |
| 29 | / \ | |
| 30 | --- --- | |
| 31 | Level 3 4 | G | 6 | E | | |
| 32 | --- --- | |
| 33 | | | | |
| 34 | | | | |
| 35 | --- --- | |
| 36 | Level 2 3 | H | 5 | F | | |
| 37 | --- --- | |
| 38 | \ / | | |
| 39 | \ / | | |
| 40 | \ | | |
| 41 | / \ | | |
| 42 | / \ | | |
| 43 | --- --- | |
| 44 | Level 1 1 | J | 2 | I | | |
| 45 | --- --- | |
| 46 | \ / | |
| 47 | \ / | |
| 48 | --- v |
| 49 | Level 0 0 | K | (More Specialized) |
| 50 | --- |
| 51 | |
| 52 | |
| 53 | 0123456789A |
| 54 | KJIHGFEDABC |
| 55 | |
| 56 | =cut |
| 57 | |
| 58 | { |
| 59 | package Test::A; use mro 'c3'; |
| 60 | |
| 61 | package Test::B; use mro 'c3'; |
| 62 | |
| 63 | package Test::C; use mro 'c3'; |
| 64 | |
| 65 | package Test::D; use mro 'c3'; |
| 66 | use base qw/Test::A Test::B Test::C/; |
| 67 | |
| 68 | package Test::E; use mro 'c3'; |
| 69 | use base qw/Test::D/; |
| 70 | |
| 71 | package Test::F; use mro 'c3'; |
| 72 | use base qw/Test::E/; |
| 73 | sub testmeth { "wrong" } |
| 74 | |
| 75 | package Test::G; use mro 'c3'; |
| 76 | use base qw/Test::D/; |
| 77 | |
| 78 | package Test::H; use mro 'c3'; |
| 79 | use base qw/Test::G/; |
| 80 | |
| 81 | package Test::I; use mro 'c3'; |
| 82 | use base qw/Test::H Test::F/; |
| 83 | sub testmeth { "right" } |
| 84 | |
| 85 | package Test::J; use mro 'c3'; |
| 86 | use base qw/Test::F/; |
| 87 | |
| 88 | package Test::K; use mro 'c3'; |
| 89 | use base qw/Test::J Test::I/; |
| 90 | sub testmeth { shift->next::method } |
| 91 | } |
| 92 | |
| 93 | is_deeply( |
| 94 | mro::get_linear_isa('Test::A'), |
| 95 | [ qw(Test::A) ], |
| 96 | '... got the right C3 merge order for Test::A'); |
| 97 | |
| 98 | is_deeply( |
| 99 | mro::get_linear_isa('Test::B'), |
| 100 | [ qw(Test::B) ], |
| 101 | '... got the right C3 merge order for Test::B'); |
| 102 | |
| 103 | is_deeply( |
| 104 | mro::get_linear_isa('Test::C'), |
| 105 | [ qw(Test::C) ], |
| 106 | '... got the right C3 merge order for Test::C'); |
| 107 | |
| 108 | is_deeply( |
| 109 | mro::get_linear_isa('Test::D'), |
| 110 | [ qw(Test::D Test::A Test::B Test::C) ], |
| 111 | '... got the right C3 merge order for Test::D'); |
| 112 | |
| 113 | is_deeply( |
| 114 | mro::get_linear_isa('Test::E'), |
| 115 | [ qw(Test::E Test::D Test::A Test::B Test::C) ], |
| 116 | '... got the right C3 merge order for Test::E'); |
| 117 | |
| 118 | is_deeply( |
| 119 | mro::get_linear_isa('Test::F'), |
| 120 | [ qw(Test::F Test::E Test::D Test::A Test::B Test::C) ], |
| 121 | '... got the right C3 merge order for Test::F'); |
| 122 | |
| 123 | is_deeply( |
| 124 | mro::get_linear_isa('Test::G'), |
| 125 | [ qw(Test::G Test::D Test::A Test::B Test::C) ], |
| 126 | '... got the right C3 merge order for Test::G'); |
| 127 | |
| 128 | is_deeply( |
| 129 | mro::get_linear_isa('Test::H'), |
| 130 | [ qw(Test::H Test::G Test::D Test::A Test::B Test::C) ], |
| 131 | '... got the right C3 merge order for Test::H'); |
| 132 | |
| 133 | is_deeply( |
| 134 | mro::get_linear_isa('Test::I'), |
| 135 | [ qw(Test::I Test::H Test::G Test::F Test::E Test::D Test::A Test::B Test::C) ], |
| 136 | '... got the right C3 merge order for Test::I'); |
| 137 | |
| 138 | is_deeply( |
| 139 | mro::get_linear_isa('Test::J'), |
| 140 | [ qw(Test::J Test::F Test::E Test::D Test::A Test::B Test::C) ], |
| 141 | '... got the right C3 merge order for Test::J'); |
| 142 | |
| 143 | is_deeply( |
| 144 | mro::get_linear_isa('Test::K'), |
| 145 | [ qw(Test::K Test::J Test::I Test::H Test::G Test::F Test::E Test::D Test::A Test::B Test::C) ], |
| 146 | '... got the right C3 merge order for Test::K'); |
| 147 | |
| 148 | is(Test::K->testmeth(), "right", 'next::method working ok'); |
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