--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 12;
+
+BEGIN {
+ use_ok('Class::C3');
+}
+
+{
+
+ {
+ package Foo;
+ use strict;
+ use warnings;
+ use Class::C3;
+ sub new { bless {}, $_[0] }
+ sub bar { 'Foo::bar' }
+ }
+
+ # call the submethod in the direct instance
+
+ my $foo = Foo->new();
+ isa_ok($foo, 'Foo');
+
+ can_ok($foo, 'bar');
+ is($foo->bar(), 'Foo::bar', '... got the right return value');
+
+ # fail calling it from a subclass
+
+ {
+ package Bar;
+ use strict;
+ use warnings;
+ use Class::C3;
+ our @ISA = ('Foo');
+ }
+
+ my $bar = Bar->new();
+ isa_ok($bar, 'Bar');
+ isa_ok($bar, 'Foo');
+
+ # test it working with with Sub::Name
+ SKIP: {
+ eval 'use Sub::Name';
+ skip "Sub::Name is required for this test", 3 if $@;
+
+ my $m = sub { (shift)->next::method() };
+ Sub::Name::subname('Bar::bar', $m);
+ {
+ no strict 'refs';
+ *{'Bar::bar'} = $m;
+ }
+
+ Class::C3::initialize();
+
+ can_ok($bar, 'bar');
+ my $value = eval { $bar->bar() };
+ ok(!$@, '... calling bar() succedded') || diag $@;
+ is($value, 'Foo::bar', '... got the right return value too');
+ }
+
+ # test it failing without Sub::Name
+ {
+ package Baz;
+ use strict;
+ use warnings;
+ use Class::C3;
+ our @ISA = ('Foo');
+ }
+
+ my $baz = Baz->new();
+ isa_ok($baz, 'Baz');
+ isa_ok($baz, 'Foo');
+
+ {
+ my $m = sub { (shift)->next::method() };
+ {
+ no strict 'refs';
+ *{'Baz::bar'} = $m;
+ }
+
+ Class::C3::initialize();
+
+ eval { $baz->bar() };
+ ok($@, '... calling bar() with next::method failed') || diag $@;
+ }
+}
\ No newline at end of file