1use Test::More 'no_plan';
2
3my %hash = (
4    top_1 => 'def val top 1',
5    top_2 => 'def val top 2',
6    top_3 => 'def val top 3',
7
8    Classname_1 => {
9        top_2 => 'class 1 val top 2',
10    },
11
12    Classname_2 => {
13        top_1 => 'class 2 val top 1',
14        top_2 => 'class 2 val top 2',
15        top_3 => 'class 2 val top 3',
16    },
17
18    Bad => 'class',
19);
20
21my %orig_hash = %hash;
22
23my %expect_1 = (
24    top_1 => 'def val top 1',
25    top_2 => 'class 1 val top 2',
26    top_3 => 'def val top 3',
27
28    Classname_1 => {
29        top_2 => 'class 1 val top 2',
30    },
31
32    Classname_2 => {
33        top_1 => 'class 2 val top 1',
34        top_2 => 'class 2 val top 2',
35        top_3 => 'class 2 val top 3',
36    },
37
38    Bad => 'class',
39);
40
41my %expect_2 = (
42    top_1 => 'class 2 val top 1',
43    top_2 => 'class 2 val top 2',
44    top_3 => 'class 2 val top 3',
45
46    Classname_1 => {
47        top_2 => 'class 1 val top 2',
48    },
49
50    Classname_2 => {
51        top_1 => 'class 2 val top 1',
52        top_2 => 'class 2 val top 2',
53        top_3 => 'class 2 val top 3',
54    },
55
56    Bad => 'class',
57);
58
59package Classname_1;
60use Class::Std::Utils;
61
62my %args1 = extract_initializers_from(\%hash);
63
64::is_deeply \%hash, \%orig_hash        => 'Original args unchanged in class 1';
65::is_deeply \%args1, \%expect_1        => 'Extracted as expected in class 1';
66
67
68package Classname_2;
69use Class::Std::Utils;
70
71my %args2 = extract_initializers_from(\%hash);
72
73::is_deeply \%hash, \%orig_hash        => 'Original args unchanged in class 2';
74::is_deeply \%args2, \%expect_2        => 'Extracted as expected in class 2';
75
76package Classname_3;
77use Class::Std::Utils;
78
79my %args3 = extract_initializers_from(\%hash);
80
81::is_deeply \%hash, \%orig_hash        => 'Original args unchanged in class 2';
82::is_deeply \%args3, \%hash            => 'Extracted as expected in class 3';
83
84
85package Bad;
86use Class::Std::Utils;
87
88::ok !eval { extract_initializers_from(\%hash); 1 } 
89                                       => 'Exception for bad specification';
90
91::like $@, qr/^Bad initializer must be a nested hash/
92                                       => 'Correct exception thrown';
93
94