diff options
Diffstat (limited to 't/cmop/add_attribute_alternate.t')
-rw-r--r-- | t/cmop/add_attribute_alternate.t | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/t/cmop/add_attribute_alternate.t b/t/cmop/add_attribute_alternate.t new file mode 100644 index 0000000..f7ecde1 --- /dev/null +++ b/t/cmop/add_attribute_alternate.t @@ -0,0 +1,109 @@ +use strict; +use warnings; + +use Test::More; +use Test::Fatal; + +use Class::MOP; + +{ + package Point; + use metaclass; + + Point->meta->add_attribute('x' => ( + reader => 'x', + init_arg => 'x' + )); + + Point->meta->add_attribute('y' => ( + accessor => 'y', + init_arg => 'y' + )); + + sub new { + my $class = shift; + bless $class->meta->new_object(@_) => $class; + } + + sub clear { + my $self = shift; + $self->{'x'} = 0; + $self->{'y'} = 0; + } + + package Point3D; + our @ISA = ('Point'); + + Point3D->meta->add_attribute('z' => ( + default => 123 + )); + + sub clear { + my $self = shift; + $self->{'z'} = 0; + $self->SUPER::clear(); + } +} + +isa_ok(Point->meta, 'Class::MOP::Class'); +isa_ok(Point3D->meta, 'Class::MOP::Class'); + +# ... test the classes themselves + +my $point = Point->new('x' => 2, 'y' => 3); +isa_ok($point, 'Point'); + +can_ok($point, 'x'); +can_ok($point, 'y'); +can_ok($point, 'clear'); + +{ + my $meta = $point->meta; + is($meta, Point->meta(), '... got the meta from the instance too'); +} + +is($point->y, 3, '... the y attribute was initialized correctly through the metaobject'); + +$point->y(42); +is($point->y, 42, '... the y attribute was set properly with the accessor'); + +is($point->x, 2, '... the x attribute was initialized correctly through the metaobject'); + +isnt( exception { + $point->x(42); +}, undef, '... cannot write to a read-only accessor' ); +is($point->x, 2, '... the x attribute was not altered'); + +$point->clear(); + +is($point->y, 0, '... the y attribute was cleared correctly'); +is($point->x, 0, '... the x attribute was cleared correctly'); + +my $point3d = Point3D->new('x' => 1, 'y' => 2, 'z' => 3); +isa_ok($point3d, 'Point3D'); +isa_ok($point3d, 'Point'); + +{ + my $meta = $point3d->meta; + is($meta, Point3D->meta(), '... got the meta from the instance too'); +} + +can_ok($point3d, 'x'); +can_ok($point3d, 'y'); +can_ok($point3d, 'clear'); + +is($point3d->x, 1, '... the x attribute was initialized correctly through the metaobject'); +is($point3d->y, 2, '... the y attribute was initialized correctly through the metaobject'); +is($point3d->{'z'}, 3, '... the z attribute was initialized correctly through the metaobject'); + +{ + my $point3d = Point3D->new(); + isa_ok($point3d, 'Point3D'); + + is($point3d->x, undef, '... the x attribute was not initialized'); + is($point3d->y, undef, '... the y attribute was not initialized'); + is($point3d->{'z'}, 123, '... the z attribute was initialized correctly through the metaobject'); + +} + +done_testing; |