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1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | use Test::More tests => 28; |
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7 | use Test::Exception; |
8 | |
9 | BEGIN { |
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10 | use_ok('Class::MOP'); |
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11 | } |
12 | |
13 | { |
14 | package Point; |
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15 | use metaclass; |
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16 | |
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17 | Point->meta->add_attribute('x' => ( |
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18 | reader => 'x', |
19 | init_arg => 'x' |
20 | )); |
21 | |
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22 | Point->meta->add_attribute('y' => ( |
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23 | accessor => 'y', |
24 | init_arg => 'y' |
25 | )); |
26 | |
27 | sub new { |
28 | my $class = shift; |
29 | bless $class->meta->construct_instance(@_) => $class; |
30 | } |
31 | |
32 | sub clear { |
33 | my $self = shift; |
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34 | $self->{'x'} = 0; |
35 | $self->{'y'} = 0; |
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36 | } |
37 | |
38 | package Point3D; |
39 | our @ISA = ('Point'); |
40 | |
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41 | Point3D->meta->add_attribute('z' => ( |
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42 | default => 123 |
43 | )); |
44 | |
45 | sub clear { |
46 | my $self = shift; |
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47 | $self->{'z'} = 0; |
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48 | $self->SUPER::clear(); |
49 | } |
50 | } |
51 | |
52 | isa_ok(Point->meta, 'Class::MOP::Class'); |
53 | isa_ok(Point3D->meta, 'Class::MOP::Class'); |
54 | |
55 | # ... test the classes themselves |
56 | |
57 | my $point = Point->new('x' => 2, 'y' => 3); |
58 | isa_ok($point, 'Point'); |
59 | |
60 | can_ok($point, 'x'); |
61 | can_ok($point, 'y'); |
62 | can_ok($point, 'clear'); |
63 | |
64 | { |
65 | my $meta = $point->meta; |
66 | is($meta, Point->meta(), '... got the meta from the instance too'); |
67 | } |
68 | |
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69 | is($point->y, 3, '... the y attribute was initialized correctly through the metaobject'); |
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70 | |
71 | $point->y(42); |
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72 | is($point->y, 42, '... the y attribute was set properly with the accessor'); |
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73 | |
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74 | is($point->x, 2, '... the x attribute was initialized correctly through the metaobject'); |
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75 | |
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76 | dies_ok { |
77 | $point->x(42); |
78 | } '... cannot write to a read-only accessor'; |
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79 | is($point->x, 2, '... the x attribute was not altered'); |
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80 | |
81 | $point->clear(); |
82 | |
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83 | is($point->y, 0, '... the y attribute was cleared correctly'); |
84 | is($point->x, 0, '... the x attribute was cleared correctly'); |
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85 | |
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86 | my $point3d = Point3D->new('x' => 1, 'y' => 2, 'z' => 3); |
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87 | isa_ok($point3d, 'Point3D'); |
88 | isa_ok($point3d, 'Point'); |
89 | |
90 | { |
91 | my $meta = $point3d->meta; |
92 | is($meta, Point3D->meta(), '... got the meta from the instance too'); |
93 | } |
94 | |
95 | can_ok($point3d, 'x'); |
96 | can_ok($point3d, 'y'); |
97 | can_ok($point3d, 'clear'); |
98 | |
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99 | is($point3d->x, 1, '... the x attribute was initialized correctly through the metaobject'); |
100 | is($point3d->y, 2, '... the y attribute was initialized correctly through the metaobject'); |
101 | is($point3d->{'z'}, 3, '... the z attribute was initialized correctly through the metaobject'); |
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102 | |
103 | { |
104 | my $point3d = Point3D->new(); |
105 | isa_ok($point3d, 'Point3D'); |
106 | |
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107 | is($point3d->x, undef, '... the x attribute was not initialized'); |
108 | is($point3d->y, undef, '... the y attribute was not initialized'); |
109 | is($point3d->{'z'}, 123, '... the z attribute was initialized correctly through the metaobject'); |
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110 | |
111 | } |