Moose-2.1405HEADMoose-2.1405master

1 files changed, 176 insertions, 0 deletions

diff --git a/t/cmop/load.t b/t/cmop/load.t
new file mode 100644
index 0000000..72f9bb7
--- /dev/null
+++ b/t/cmop/load.t
@@ -0,0 +1,176 @@
+use strict;
+use warnings;
+
+# for instance, App::ForkProve
+my $preloaded;
+BEGIN { $preloaded = exists $INC{'Class/MOP.pm'} }
+
+use Test::More;
+
+use Class::Load qw(is_class_loaded);
+
+BEGIN {
+    use_ok('Class::MOP');
+    use_ok('Class::MOP::Mixin');
+    use_ok('Class::MOP::Mixin::AttributeCore');
+    use_ok('Class::MOP::Mixin::HasAttributes');
+    use_ok('Class::MOP::Mixin::HasMethods');
+    use_ok('Class::MOP::Mixin::HasOverloads');
+    use_ok('Class::MOP::Package');
+    use_ok('Class::MOP::Module');
+    use_ok('Class::MOP::Class');
+    use_ok('Class::MOP::Class::Immutable::Trait');
+    use_ok('Class::MOP::Method');
+    use_ok('Class::MOP::Method');
+    use_ok('Class::MOP::Method::Wrapped');
+    use_ok('Class::MOP::Method::Inlined');
+    use_ok('Class::MOP::Method::Generated');
+    use_ok('Class::MOP::Method::Accessor');
+    use_ok('Class::MOP::Method::Constructor');
+    use_ok('Class::MOP::Method::Meta');
+    use_ok('Class::MOP::Instance');
+    use_ok('Class::MOP::Object');
+    use_ok('Class::MOP::Overload');
+}
+
+# make sure we are tracking metaclasses correctly
+
+my %METAS = (
+    'Class::MOP::Attribute'         => Class::MOP::Attribute->meta,
+    'Class::MOP::Method::Inlined' => Class::MOP::Method::Inlined->meta,
+    'Class::MOP::Method::Generated' => Class::MOP::Method::Generated->meta,
+    'Class::MOP::Method::Accessor'  => Class::MOP::Method::Accessor->meta,
+    'Class::MOP::Method::Constructor' => Class::MOP::Method::Constructor->meta,
+    'Class::MOP::Method::Meta' => Class::MOP::Method::Meta->meta,
+    'Class::MOP::Mixin'   => Class::MOP::Mixin->meta,
+    'Class::MOP::Mixin::AttributeCore' => Class::MOP::Mixin::AttributeCore->meta,
+    'Class::MOP::Mixin::HasAttributes' => Class::MOP::Mixin::HasAttributes->meta,
+    'Class::MOP::Mixin::HasMethods'    => Class::MOP::Mixin::HasMethods->meta,
+    'Class::MOP::Mixin::HasOverloads'  => Class::MOP::Mixin::HasOverloads->meta,
+    'Class::MOP::Package'         => Class::MOP::Package->meta,
+    'Class::MOP::Module'          => Class::MOP::Module->meta,
+    'Class::MOP::Class'           => Class::MOP::Class->meta,
+    'Class::MOP::Method'          => Class::MOP::Method->meta,
+    'Class::MOP::Method::Wrapped' => Class::MOP::Method::Wrapped->meta,
+    'Class::MOP::Instance'        => Class::MOP::Instance->meta,
+    'Class::MOP::Object'          => Class::MOP::Object->meta,
+    'Class::MOP::Overload'        => Class::MOP::Overload->meta,
+    'Class::MOP::Class::Immutable::Trait' => Class::MOP::class_of('Class::MOP::Class::Immutable::Trait'),
+    'Class::MOP::Class::Immutable::Class::MOP::Class' => Class::MOP::Class::Immutable::Class::MOP::Class->meta,
+    'UNIVERSAL' => Class::MOP::class_of('UNIVERSAL'),
+);
+
+ok( is_class_loaded($_), '... ' . $_ . ' is loaded' )
+    for sort keys %METAS;
+
+# The trait shouldn't be made immutable, it doesn't actually do anything, and
+# it doesn't even matter because it's not a class that will be
+# instantiated. Making UNIVERSAL immutable just seems like a bad idea.
+my %expect_mutable = map { $_ => 1 } qw( Class::MOP::Class::Immutable::Trait UNIVERSAL );
+
+for my $meta (values %METAS) {
+    if ( $expect_mutable{$meta->name} ) {
+        ok( $meta->is_mutable(), '... ' . $meta->name . ' is mutable' );
+    }
+    else {
+        ok( $meta->is_immutable(), '... ' . $meta->name . ' is immutable' );
+    }
+}
+
+SKIP: {
+    skip "this list may be incorrect if we preloaded things", 3 if $preloaded;
+    is_deeply(
+        {Class::MOP::get_all_metaclasses},
+        \%METAS,
+        '... got all the metaclasses'
+    );
+
+    is_deeply(
+        [
+            sort { $a->name cmp $b->name }
+                 Class::MOP::get_all_metaclass_instances
+        ],
+        [
+            Class::MOP::Attribute->meta,
+            Class::MOP::Class->meta,
+            Class::MOP::Class::Immutable::Class::MOP::Class->meta,
+            Class::MOP::class_of('Class::MOP::Class::Immutable::Trait'),
+            Class::MOP::Instance->meta,
+            Class::MOP::Method->meta,
+            Class::MOP::Method::Accessor->meta,
+            Class::MOP::Method::Constructor->meta,
+            Class::MOP::Method::Generated->meta,
+            Class::MOP::Method::Inlined->meta,
+            Class::MOP::Method::Meta->meta,
+            Class::MOP::Method::Wrapped->meta,
+            Class::MOP::Mixin->meta,
+            Class::MOP::Mixin::AttributeCore->meta,
+            Class::MOP::Mixin::HasAttributes->meta,
+            Class::MOP::Mixin::HasMethods->meta,
+            Class::MOP::Mixin::HasOverloads->meta,
+            Class::MOP::Module->meta,
+            Class::MOP::Object->meta,
+            Class::MOP::Overload->meta,
+            Class::MOP::Package->meta,
+            Class::MOP::class_of('UNIVERSAL'),
+        ],
+        '... got all the metaclass instances'
+    );
+
+    is_deeply(
+        [ sort { $a cmp $b } Class::MOP::get_all_metaclass_names() ],
+        [
+            sort qw/
+                Class::MOP::Attribute
+                Class::MOP::Class
+                Class::MOP::Class::Immutable::Class::MOP::Class
+                Class::MOP::Class::Immutable::Trait
+                Class::MOP::Mixin
+                Class::MOP::Mixin::AttributeCore
+                Class::MOP::Mixin::HasAttributes
+                Class::MOP::Mixin::HasMethods
+                Class::MOP::Mixin::HasOverloads
+                Class::MOP::Instance
+                Class::MOP::Method
+                Class::MOP::Method::Accessor
+                Class::MOP::Method::Constructor
+                Class::MOP::Method::Generated
+                Class::MOP::Method::Inlined
+                Class::MOP::Method::Wrapped
+                Class::MOP::Method::Meta
+                Class::MOP::Module
+                Class::MOP::Object
+                Class::MOP::Overload
+                Class::MOP::Package
+                UNIVERSAL
+                /,
+        ],
+        '... got all the metaclass names'
+    );
+}
+
+# testing the meta-circularity of the system
+
+is(
+    Class::MOP::Class->meta->meta, Class::MOP::Class->meta->meta->meta,
+    '... Class::MOP::Class->meta->meta == Class::MOP::Class->meta->meta->meta'
+);
+
+is(
+    Class::MOP::Class->meta->meta->meta, Class::MOP::Class->meta->meta->meta->meta,
+    '... Class::MOP::Class->meta->meta->meta == Class::MOP::Class->meta->meta->meta->meta'
+);
+
+is(
+    Class::MOP::Class->meta->meta, Class::MOP::Class->meta->meta->meta->meta,
+    '... Class::MOP::Class->meta->meta == Class::MOP::Class->meta->meta->meta->meta'
+);
+
+is(
+    Class::MOP::Class->meta->meta, Class::MOP::Class->meta->meta->meta->meta->meta,
+    '... Class::MOP::Class->meta->meta == Class::MOP::Class->meta->meta->meta->meta->meta'
+);
+
+isa_ok(Class::MOP::Class->meta, 'Class::MOP::Class');
+
+done_testing;