From: Stevan Little Date: Thu, 10 Aug 2006 19:35:49 +0000 (+0000) Subject: cleanup and more tests; X-Git-Tag: 0_33~11^2~2 X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=c46b802b9f10829ddce24dbf3fb81d5319f8be8f;p=gitmo%2FClass-MOP.git cleanup and more tests; --- diff --git a/lib/Class/MOP/Package.pm b/lib/Class/MOP/Package.pm index 87b4216..2911d2e 100644 --- a/lib/Class/MOP/Package.pm +++ b/lib/Class/MOP/Package.pm @@ -6,7 +6,6 @@ use warnings; use Scalar::Util 'blessed'; use Carp 'confess'; -use Symbol 'gensym'; our $VERSION = '0.02'; @@ -70,17 +69,26 @@ sub namespace { $_[0]->{'%:namespace'} } # Class attributes +# ... these functions have to touch the symbol table itself,.. yuk + sub add_package_symbol { my ($self, $variable, $initial_value) = @_; my ($name, $sigil, $type) = $self->_deconstruct_variable_name($variable); - no strict 'refs'; no warnings 'redefine', 'misc'; - *{$self->name . '::' . $name} = $initial_value; + *{$self->name . '::' . $name} = ref $initial_value ? $initial_value : \$initial_value; +} + +sub remove_package_glob { + my ($self, $name) = @_; + no strict 'refs'; + delete ${$self->name . '::'}{$name}; } +# ... these functions deal with stuff on the namespace level + sub has_package_symbol { my ($self, $variable) = @_; @@ -105,34 +113,41 @@ sub remove_package_symbol { my ($name, $sigil, $type) = $self->_deconstruct_variable_name($variable); - no strict 'refs'; + # FIXME: + # no doubt this is grossly inefficient and + # could be done much easier and faster in XS + + my ($scalar, $array, $hash, $code); if ($type eq 'SCALAR') { - undef ${$self->name . '::' . $name}; + $array = $self->get_package_symbol('@' . $name) if $self->has_package_symbol('@' . $name); + $hash = $self->get_package_symbol('%' . $name) if $self->has_package_symbol('%' . $name); + $code = $self->get_package_symbol('&' . $name) if $self->has_package_symbol('&' . $name); } elsif ($type eq 'ARRAY') { - undef @{$self->name . '::' . $name}; + $scalar = $self->get_package_symbol('$' . $name) if $self->has_package_symbol('$' . $name); + $hash = $self->get_package_symbol('%' . $name) if $self->has_package_symbol('%' . $name); + $code = $self->get_package_symbol('&' . $name) if $self->has_package_symbol('&' . $name); } elsif ($type eq 'HASH') { - undef %{$self->name . '::' . $name}; + $scalar = $self->get_package_symbol('$' . $name) if $self->has_package_symbol('$' . $name); + $array = $self->get_package_symbol('@' . $name) if $self->has_package_symbol('@' . $name); + $code = $self->get_package_symbol('&' . $name) if $self->has_package_symbol('&' . $name); } elsif ($type eq 'CODE') { - # FIXME: - # this is crap, it is probably much - # easier to write this in XS. - my ($scalar, @array, %hash); - $scalar = ${$self->name . '::' . $name} if defined *{$self->namespace->{$name}}{SCALAR}; - @array = @{$self->name . '::' . $name} if defined *{$self->namespace->{$name}}{ARRAY}; - %hash = %{$self->name . '::' . $name} if defined *{$self->namespace->{$name}}{HASH}; - - delete ${$self->name . '::'}{$name}; - - ${$self->name . '::' . $name} = $scalar if defined $scalar; - @{$self->name . '::' . $name} = @array if scalar @array; - %{$self->name . '::' . $name} = %hash if keys %hash; + $scalar = $self->get_package_symbol('$' . $name) if $self->has_package_symbol('$' . $name); + $array = $self->get_package_symbol('@' . $name) if $self->has_package_symbol('@' . $name); + $hash = $self->get_package_symbol('%' . $name) if $self->has_package_symbol('%' . $name); } else { confess "This should never ever ever happen"; } + + $self->remove_package_glob($name); + + $self->add_package_symbol(('$' . $name) => $scalar) if defined $scalar; + $self->add_package_symbol(('@' . $name) => $array) if defined $array; + $self->add_package_symbol(('%' . $name) => $hash) if defined $hash; + $self->add_package_symbol(('&' . $name) => $code) if defined $code; } sub list_all_package_symbols { @@ -174,6 +189,8 @@ Class::MOP::Package - Package Meta Object =item B +=item B + =item B =back diff --git a/t/010_self_introspection.t b/t/010_self_introspection.t index 437e73f..ee87164 100644 --- a/t/010_self_introspection.t +++ b/t/010_self_introspection.t @@ -3,7 +3,7 @@ use strict; use warnings; -use Test::More tests => 179; +use Test::More tests => 181; use Test::Exception; BEGIN { @@ -35,7 +35,8 @@ my @class_mop_package_methods = qw( name namespace - add_package_symbol get_package_symbol has_package_symbol remove_package_symbol list_all_package_symbols + add_package_symbol get_package_symbol has_package_symbol remove_package_symbol + list_all_package_symbols remove_package_glob _deconstruct_variable_name ); diff --git a/t/012_package_variables.t b/t/012_package_variables.t index def46f5..7544d98 100644 --- a/t/012_package_variables.t +++ b/t/012_package_variables.t @@ -3,7 +3,7 @@ use strict; use warnings; -use Test::More tests => 33; +use Test::More tests => 80; use Test::Exception; BEGIN { @@ -15,6 +15,16 @@ BEGIN { use metaclass; } +=pod + +This is the same test as 080_meta_package.t just here +we call all the methods through Class::MOP::Class. + +=cut + +# ---------------------------------------------------------------------- +## tests adding a HASH + ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet'); ok(!Foo->meta->has_package_symbol('%foo'), '... the meta agrees'); @@ -22,9 +32,17 @@ lives_ok { Foo->meta->add_package_symbol('%foo' => { one => 1 }); } '... created %Foo::foo successfully'; +# ... scalar should NOT be created here + +ok(!Foo->meta->has_package_symbol('$foo'), '... SCALAR shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('@foo'), '... ARRAY shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('&foo'), '... CODE shouldnt have been created too'); + ok(defined($Foo::{foo}), '... the %foo slot was created successfully'); ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees'); +# check the value ... + { no strict 'refs'; ok(exists ${'Foo::foo'}{one}, '... our %foo was initialized correctly'); @@ -34,6 +52,8 @@ ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees'); my $foo = Foo->meta->get_package_symbol('%foo'); is_deeply({ one => 1 }, $foo, '... got the right package variable back'); +# ... make sure changes propogate up + $foo->{two} = 2; { @@ -44,6 +64,9 @@ $foo->{two} = 2; is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly'); } +# ---------------------------------------------------------------------- +## test adding an ARRAY + ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet'); lives_ok { @@ -51,6 +74,15 @@ lives_ok { } '... created @Foo::bar successfully'; ok(defined($Foo::{bar}), '... the @bar slot was created successfully'); +ok(Foo->meta->has_package_symbol('@bar'), '... the meta agrees'); + +# ... why does this not work ... + +ok(!Foo->meta->has_package_symbol('$bar'), '... SCALAR shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('%bar'), '... HASH shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('&bar'), '... CODE shouldnt have been created too'); + +# check the value itself { no strict 'refs'; @@ -58,44 +90,129 @@ ok(defined($Foo::{bar}), '... the @bar slot was created successfully'); is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly'); } -# now without initial value +# ---------------------------------------------------------------------- +## test adding a SCALAR -ok(!defined($Foo::{baz}), '... the %baz slot has not been created yet'); +ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet'); lives_ok { - Foo->meta->add_package_symbol('%baz'); -} '... created %Foo::baz successfully'; + Foo->meta->add_package_symbol('$baz' => 10); +} '... created $Foo::baz successfully'; + +ok(defined($Foo::{baz}), '... the $baz slot was created successfully'); +ok(Foo->meta->has_package_symbol('$baz'), '... the meta agrees'); -ok(defined($Foo::{baz}), '... the %baz slot was created successfully'); +ok(!Foo->meta->has_package_symbol('@baz'), '... ARRAY shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('%baz'), '... HASH shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('&baz'), '... CODE shouldnt have been created too'); + +is(${Foo->meta->get_package_symbol('$baz')}, 10, '... got the right value back'); { no strict 'refs'; - ${'Foo::baz'}{one} = 1; + ${'Foo::baz'} = 1; - ok(exists ${'Foo::baz'}{one}, '... our %baz was initialized correctly'); - is(${'Foo::baz'}{one}, 1, '... our %baz was initialized correctly'); + is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly'); + is(${Foo->meta->get_package_symbol('$baz')}, 1, '... the meta agrees'); } -ok(!defined($Foo::{bling}), '... the @bling slot has not been created yet'); +# ---------------------------------------------------------------------- +## test adding a CODE + +ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet'); lives_ok { - Foo->meta->add_package_symbol('@bling'); -} '... created @Foo::bling successfully'; + Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" }); +} '... created &Foo::funk successfully'; + +ok(defined($Foo::{funk}), '... the &funk slot was created successfully'); +ok(Foo->meta->has_package_symbol('&funk'), '... the meta agrees'); -ok(defined($Foo::{bling}), '... the @bling slot was created successfully'); +ok(!Foo->meta->has_package_symbol('$funk'), '... SCALAR shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('@funk'), '... ARRAY shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('%funk'), '... HASH shouldnt have been created too'); { no strict 'refs'; - is(scalar @{'Foo::bling'}, 0, '... our @bling was initialized correctly'); - ${'Foo::bling'}[1] = 2; - is(${'Foo::bling'}[1], 2, '... our @bling was assigned too correctly'); + ok(defined &{'Foo::funk'}, '... our &funk exists'); +} + +is(Foo->funk(), 'Foo::funk', '... got the right value from the function'); + +# ---------------------------------------------------------------------- +## test multiple slots in the glob + +my $ARRAY = [ 1, 2, 3 ]; +my $CODE = sub { "Foo::foo" }; + +lives_ok { + Foo->meta->add_package_symbol('@foo' => $ARRAY); +} '... created @Foo::foo successfully'; + +ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot was added successfully'); +is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); + +lives_ok { + Foo->meta->add_package_symbol('&foo' => $CODE); +} '... created &Foo::foo successfully'; + +ok(Foo->meta->has_package_symbol('&foo'), '... the meta agrees'); +is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo'); + +lives_ok { + Foo->meta->add_package_symbol('$foo' => 'Foo::foo'); +} '... created $Foo::foo successfully'; + +ok(Foo->meta->has_package_symbol('$foo'), '... the meta agrees'); +my $SCALAR = Foo->meta->get_package_symbol('$foo'); +is($$SCALAR, 'Foo::foo', '... got the right scalar value back'); + +{ + no strict 'refs'; + is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar'); } lives_ok { Foo->meta->remove_package_symbol('%foo'); } '... removed %Foo::foo successfully'; -ok(Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully'); +ok(!Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully'); +ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists'); +ok(Foo->meta->has_package_symbol('&foo'), '... the &foo slot still exists'); +ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists'); + +is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); +is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo'); +is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo'); + +{ + no strict 'refs'; + ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully'); + ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed'); + ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed'); + ok(defined(*{"Foo::foo"}{SCALAR}), '... the $foo slot has NOT been removed'); +} + +lives_ok { + Foo->meta->remove_package_symbol('&foo'); +} '... removed &Foo::foo successfully'; + +ok(!Foo->meta->has_package_symbol('&foo'), '... the &foo slot no longer exists'); + +ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists'); +ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists'); + +is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); +is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo'); + +{ + no strict 'refs'; + ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully'); + ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed'); + ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed'); + ok(defined(*{"Foo::foo"}{SCALAR}), '... the $foo slot has NOT been removed'); +} + # check some errors @@ -114,8 +231,3 @@ dies_ok { dies_ok { Foo->meta->has_package_symbol('bar'); } '... no sigil for bar'; - - -#dies_ok { -# Foo->meta->get_package_symbol('@.....bar'); -#} '... could not fetch variable'; diff --git a/t/080_meta_package.t b/t/080_meta_package.t index e398741..547ddda 100644 --- a/t/080_meta_package.t +++ b/t/080_meta_package.t @@ -3,7 +3,7 @@ use strict; use warnings; -use Test::More tests => 43; +use Test::More tests => 80; use Test::Exception; BEGIN { @@ -17,6 +17,9 @@ BEGIN { sub meta { Class::MOP::Package->initialize('Foo') } } +# ---------------------------------------------------------------------- +## tests adding a HASH + ok(!defined($Foo::{foo}), '... the %foo slot has not been created yet'); ok(!Foo->meta->has_package_symbol('%foo'), '... the meta agrees'); @@ -24,24 +27,16 @@ lives_ok { Foo->meta->add_package_symbol('%foo' => { one => 1 }); } '... created %Foo::foo successfully'; +# ... scalar should NOT be created here + ok(!Foo->meta->has_package_symbol('$foo'), '... SCALAR shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('@foo'), '... ARRAY shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('&foo'), '... CODE shouldnt have been created too'); ok(defined($Foo::{foo}), '... the %foo slot was created successfully'); ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees'); -{ - no strict 'refs'; - ok(defined(*{"Foo::foo"}{HASH}), '... the %foo (HASH) slot was created successfully'); - - ok(!defined(*{"Foo::foo"}{SCALAR}), '... but the $foo slot was not created'); - ok(!Foo->meta->has_package_symbol('$foo'), '... and the meta agrees'); - - ok(!defined(*{"Foo::foo"}{ARRAY}), '... but the @foo slot was not created'); - ok(!Foo->meta->has_package_symbol('@foo'), '... and the meta agrees'); - - ok(!defined(*{"Foo::foo"}{CODE}), '... but the &foo slot was not created'); - ok(!Foo->meta->has_package_symbol('&foo'), '... and the meta agrees'); -} +# check the value ... { no strict 'refs'; @@ -52,6 +47,8 @@ ok(Foo->meta->has_package_symbol('%foo'), '... the meta agrees'); my $foo = Foo->meta->get_package_symbol('%foo'); is_deeply({ one => 1 }, $foo, '... got the right package variable back'); +# ... make sure changes propogate up + $foo->{two} = 2; { @@ -62,6 +59,9 @@ $foo->{two} = 2; is(${'Foo::foo'}{two}, 2, '... our %foo was updated correctly'); } +# ---------------------------------------------------------------------- +## test adding an ARRAY + ok(!defined($Foo::{bar}), '... the @bar slot has not been created yet'); lives_ok { @@ -69,6 +69,15 @@ lives_ok { } '... created @Foo::bar successfully'; ok(defined($Foo::{bar}), '... the @bar slot was created successfully'); +ok(Foo->meta->has_package_symbol('@bar'), '... the meta agrees'); + +# ... why does this not work ... + +ok(!Foo->meta->has_package_symbol('$bar'), '... SCALAR shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('%bar'), '... HASH shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('&bar'), '... CODE shouldnt have been created too'); + +# check the value itself { no strict 'refs'; @@ -76,50 +85,130 @@ ok(defined($Foo::{bar}), '... the @bar slot was created successfully'); is(${'Foo::bar'}[1], 2, '... our @bar was initialized correctly'); } -# now without initial value +# ---------------------------------------------------------------------- +## test adding a SCALAR -ok(!defined($Foo::{baz}), '... the %baz slot has not been created yet'); +ok(!defined($Foo::{baz}), '... the $baz slot has not been created yet'); lives_ok { - Foo->meta->add_package_symbol('%baz'); -} '... created %Foo::baz successfully'; + Foo->meta->add_package_symbol('$baz' => 10); +} '... created $Foo::baz successfully'; + +ok(defined($Foo::{baz}), '... the $baz slot was created successfully'); +ok(Foo->meta->has_package_symbol('$baz'), '... the meta agrees'); -ok(defined($Foo::{baz}), '... the %baz slot was created successfully'); +ok(!Foo->meta->has_package_symbol('@baz'), '... ARRAY shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('%baz'), '... HASH shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('&baz'), '... CODE shouldnt have been created too'); + +is(${Foo->meta->get_package_symbol('$baz')}, 10, '... got the right value back'); { no strict 'refs'; - ${'Foo::baz'}{one} = 1; + ${'Foo::baz'} = 1; + + is(${'Foo::baz'}, 1, '... our $baz was assigned to correctly'); + is(${Foo->meta->get_package_symbol('$baz')}, 1, '... the meta agrees'); +} + +# ---------------------------------------------------------------------- +## test adding a CODE + +ok(!defined($Foo::{funk}), '... the &funk slot has not been created yet'); + +lives_ok { + Foo->meta->add_package_symbol('&funk' => sub { "Foo::funk" }); +} '... created &Foo::funk successfully'; + +ok(defined($Foo::{funk}), '... the &funk slot was created successfully'); +ok(Foo->meta->has_package_symbol('&funk'), '... the meta agrees'); - ok(exists ${'Foo::baz'}{one}, '... our %baz was initialized correctly'); - is(${'Foo::baz'}{one}, 1, '... our %baz was initialized correctly'); +ok(!Foo->meta->has_package_symbol('$funk'), '... SCALAR shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('@funk'), '... ARRAY shouldnt have been created too'); +ok(!Foo->meta->has_package_symbol('%funk'), '... HASH shouldnt have been created too'); + +{ + no strict 'refs'; + ok(defined &{'Foo::funk'}, '... our &funk exists'); } -ok(!defined($Foo::{bling}), '... the @bling slot has not been created yet'); +is(Foo->funk(), 'Foo::funk', '... got the right value from the function'); + +# ---------------------------------------------------------------------- +## test multiple slots in the glob + +my $ARRAY = [ 1, 2, 3 ]; +my $CODE = sub { "Foo::foo" }; + +lives_ok { + Foo->meta->add_package_symbol('@foo' => $ARRAY); +} '... created @Foo::foo successfully'; + +ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot was added successfully'); +is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); + +lives_ok { + Foo->meta->add_package_symbol('&foo' => $CODE); +} '... created &Foo::foo successfully'; + +ok(Foo->meta->has_package_symbol('&foo'), '... the meta agrees'); +is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo'); lives_ok { - Foo->meta->add_package_symbol('@bling'); -} '... created @Foo::bling successfully'; + Foo->meta->add_package_symbol('$foo' => 'Foo::foo'); +} '... created $Foo::foo successfully'; -ok(defined($Foo::{bling}), '... the @bling slot was created successfully'); +ok(Foo->meta->has_package_symbol('$foo'), '... the meta agrees'); +my $SCALAR = Foo->meta->get_package_symbol('$foo'); +is($$SCALAR, 'Foo::foo', '... got the right scalar value back'); { no strict 'refs'; - is(scalar @{'Foo::bling'}, 0, '... our @bling was initialized correctly'); - ${'Foo::bling'}[1] = 2; - is(${'Foo::bling'}[1], 2, '... our @bling was assigned too correctly'); + is(${'Foo::foo'}, 'Foo::foo', '... got the right value from the scalar'); } lives_ok { Foo->meta->remove_package_symbol('%foo'); } '... removed %Foo::foo successfully'; -ok(Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully'); +ok(!Foo->meta->has_package_symbol('%foo'), '... the %foo slot was removed successfully'); +ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists'); +ok(Foo->meta->has_package_symbol('&foo'), '... the &foo slot still exists'); +ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists'); + +is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); +is(Foo->meta->get_package_symbol('&foo'), $CODE, '... got the right value for &Foo::foo'); +is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo'); { no strict 'refs'; ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully'); + ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed'); + ok(defined(*{"Foo::foo"}{CODE}), '... the &foo slot has NOT been removed'); + ok(defined(*{"Foo::foo"}{SCALAR}), '... the $foo slot has NOT been removed'); } +lives_ok { + Foo->meta->remove_package_symbol('&foo'); +} '... removed &Foo::foo successfully'; + +ok(!Foo->meta->has_package_symbol('&foo'), '... the &foo slot no longer exists'); + +ok(Foo->meta->has_package_symbol('@foo'), '... the @foo slot still exists'); +ok(Foo->meta->has_package_symbol('$foo'), '... the $foo slot still exists'); + +is(Foo->meta->get_package_symbol('@foo'), $ARRAY, '... got the right values for @Foo::foo'); +is(Foo->meta->get_package_symbol('$foo'), $SCALAR, '... got the right value for $Foo::foo'); + +{ + no strict 'refs'; + ok(!defined(*{"Foo::foo"}{HASH}), '... the %foo slot has been removed successfully'); + ok(!defined(*{"Foo::foo"}{CODE}), '... the &foo slot has now been removed'); + ok(defined(*{"Foo::foo"}{ARRAY}), '... the @foo slot has NOT been removed'); + ok(defined(*{"Foo::foo"}{SCALAR}), '... the $foo slot has NOT been removed'); +} + + # check some errors dies_ok {