6 package MooseX::Singleton::Test;
11 isa => 'HashRef[Int]',
12 default => sub { { default => 42 } },
17 scalar keys %{ $self->bag };
28 my $value = @_ ? shift : 1;
30 $self->bag->{$key} += $value;
34 my $mst = MooseX::Singleton::Test->instance;
35 isa_ok( $mst, 'MooseX::Singleton::Test',
36 'Singleton->instance returns a real instance' );
38 is( $mst->distinct_keys, 1, "default keys" );
40 $mst->add( foo => 10 );
41 is( $mst->distinct_keys, 2, "added key" );
43 $mst->add( bar => 5 );
44 is( $mst->distinct_keys, 3, "added another key" );
46 my $mst2 = MooseX::Singleton::Test->instance;
47 is( $mst, $mst2, 'instances are the same object' );
48 isa_ok( $mst2, 'MooseX::Singleton::Test',
49 'Singleton->instance returns a real instance' );
51 is( $mst2->distinct_keys, 3, "keys from before" );
53 $mst->add( baz => 2 );
55 is( $mst->distinct_keys, 4, "attributes are shared even after ->instance" );
56 is( $mst2->distinct_keys, 4, "attributes are shared even after ->instance" );
58 is( MooseX::Singleton::Test->distinct_keys, 4, "Package->reader works" );
60 MooseX::Singleton::Test->add( quux => 9000 );
62 is( $mst->distinct_keys, 5, "Package->add works" );
63 is( $mst2->distinct_keys, 5, "Package->add works" );
64 is( MooseX::Singleton::Test->distinct_keys, 5, "Package->add works" );
66 MooseX::Singleton::Test->clear;
68 is( $mst->distinct_keys, 0, "Package->clear works" );
69 is( $mst2->distinct_keys, 0, "Package->clear works" );
70 is( MooseX::Singleton::Test->distinct_keys, 0, "Package->clear works" );
72 MooseX::Singleton::Test->_clear_instance;
74 is( MooseX::Singleton::Test->instance->distinct_keys, 1, "back to the default" );