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#!/usr/bin/perl
use strict;
use warnings;
use Test::More tests => 77;
use Test::Exception;
BEGIN {
use_ok('Class::MOP');
use_ok('Class::MOP::Class::Immutable');
}
{
package Foo;
use strict;
use warnings;
use metaclass;
__PACKAGE__->meta->add_attribute('bar');
package Bar;
use strict;
use warnings;
use metaclass;
__PACKAGE__->meta->superclasses('Foo');
__PACKAGE__->meta->add_attribute('baz');
package Baz;
use strict;
use warnings;
use metaclass;
__PACKAGE__->meta->superclasses('Bar');
__PACKAGE__->meta->add_attribute('bah');
}
{
my $meta = Foo->meta;
is($meta->name, 'Foo', '... checking the Foo metaclass');
ok($meta->is_mutable, '... our class is mutable');
ok(!$meta->is_immutable, '... our class is not immutable');
lives_ok {
$meta->make_immutable();
} '... changed Foo to be immutable';
ok(!$meta->make_immutable, '... make immutable now returns nothing');
ok(!$meta->is_mutable, '... our class is no longer mutable');
ok($meta->is_immutable, '... our class is now immutable');
isa_ok($meta, 'Class::MOP::Class::Immutable');
isa_ok($meta, 'Class::MOP::Class');
dies_ok { $meta->add_method() } '... exception thrown as expected';
dies_ok { $meta->alias_method() } '... exception thrown as expected';
dies_ok { $meta->remove_method() } '... exception thrown as expected';
dies_ok { $meta->add_attribute() } '... exception thrown as expected';
dies_ok { $meta->remove_attribute() } '... exception thrown as expected';
dies_ok { $meta->add_package_symbol() } '... exception thrown as expected';
dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected';
my @supers;
lives_ok {
@supers = $meta->superclasses;
} '... got the superclasses okay';
dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay';
my $meta_instance;
lives_ok {
$meta_instance = $meta->get_meta_instance;
} '... got the meta instance okay';
isa_ok($meta_instance, 'Class::MOP::Instance');
is($meta_instance, $meta->get_meta_instance, '... and we know it is cached');
my @cpl;
lives_ok {
@cpl = $meta->class_precedence_list;
} '... got the class precedence list okay';
is_deeply(
\@cpl,
[ 'Foo' ],
'... we just have ourselves in the class precedence list');
my @attributes;
lives_ok {
@attributes = $meta->compute_all_applicable_attributes;
} '... got the attribute list okay';
is_deeply(
\@attributes,
[ $meta->get_attribute('bar') ],
'... got the right list of attributes');
}
{
my $meta = Bar->meta;
is($meta->name, 'Bar', '... checking the Bar metaclass');
ok($meta->is_mutable, '... our class is mutable');
ok(!$meta->is_immutable, '... our class is not immutable');
lives_ok {
$meta->make_immutable();
} '... changed Bar to be immutable';
ok(!$meta->make_immutable, '... make immutable now returns nothing');
ok(!$meta->is_mutable, '... our class is no longer mutable');
ok($meta->is_immutable, '... our class is now immutable');
isa_ok($meta, 'Class::MOP::Class::Immutable');
isa_ok($meta, 'Class::MOP::Class');
dies_ok { $meta->add_method() } '... exception thrown as expected';
dies_ok { $meta->alias_method() } '... exception thrown as expected';
dies_ok { $meta->remove_method() } '... exception thrown as expected';
dies_ok { $meta->add_attribute() } '... exception thrown as expected';
dies_ok { $meta->remove_attribute() } '... exception thrown as expected';
dies_ok { $meta->add_package_symbol() } '... exception thrown as expected';
dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected';
my @supers;
lives_ok {
@supers = $meta->superclasses;
} '... got the superclasses okay';
dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay';
my $meta_instance;
lives_ok {
$meta_instance = $meta->get_meta_instance;
} '... got the meta instance okay';
isa_ok($meta_instance, 'Class::MOP::Instance');
is($meta_instance, $meta->get_meta_instance, '... and we know it is cached');
my @cpl;
lives_ok {
@cpl = $meta->class_precedence_list;
} '... got the class precedence list okay';
is_deeply(
\@cpl,
[ 'Bar', 'Foo'],
'... we just have ourselves in the class precedence list');
my @attributes;
lives_ok {
@attributes = $meta->compute_all_applicable_attributes;
} '... got the attribute list okay';
is_deeply(
[ sort { $a->name cmp $b->name } @attributes ],
[ Foo->meta->get_attribute('bar'), $meta->get_attribute('baz') ],
'... got the right list of attributes');
}
{
my $meta = Baz->meta;
is($meta->name, 'Baz', '... checking the Baz metaclass');
ok($meta->is_mutable, '... our class is mutable');
ok(!$meta->is_immutable, '... our class is not immutable');
lives_ok {
$meta->make_immutable();
} '... changed Baz to be immutable';
ok(!$meta->make_immutable, '... make immutable now returns nothing');
ok(!$meta->is_mutable, '... our class is no longer mutable');
ok($meta->is_immutable, '... our class is now immutable');
isa_ok($meta, 'Class::MOP::Class::Immutable');
isa_ok($meta, 'Class::MOP::Class');
dies_ok { $meta->add_method() } '... exception thrown as expected';
dies_ok { $meta->alias_method() } '... exception thrown as expected';
dies_ok { $meta->remove_method() } '... exception thrown as expected';
dies_ok { $meta->add_attribute() } '... exception thrown as expected';
dies_ok { $meta->remove_attribute() } '... exception thrown as expected';
dies_ok { $meta->add_package_symbol() } '... exception thrown as expected';
dies_ok { $meta->remove_package_symbol() } '... exception thrown as expected';
my @supers;
lives_ok {
@supers = $meta->superclasses;
} '... got the superclasses okay';
dies_ok { $meta->superclasses([ 'UNIVERSAL' ]) } '... but could not set the superclasses okay';
my $meta_instance;
lives_ok {
$meta_instance = $meta->get_meta_instance;
} '... got the meta instance okay';
isa_ok($meta_instance, 'Class::MOP::Instance');
is($meta_instance, $meta->get_meta_instance, '... and we know it is cached');
my @cpl;
lives_ok {
@cpl = $meta->class_precedence_list;
} '... got the class precedence list okay';
is_deeply(
\@cpl,
[ 'Baz', 'Bar', 'Foo'],
'... we just have ourselves in the class precedence list');
my @attributes;
lives_ok {
@attributes = $meta->compute_all_applicable_attributes;
} '... got the attribute list okay';
is_deeply(
[ sort { $a->name cmp $b->name } @attributes ],
[ $meta->get_attribute('bah'), Foo->meta->get_attribute('bar'), Bar->meta->get_attribute('baz') ],
'... got the right list of attributes');
}
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