1 files changed, 92 insertions, 0 deletions
diff --git a/t/moose_util/moose_util_does_role.t b/t/moose_util/moose_util_does_role.t
new file mode 100644
index 0000000..916e3e7
--- /dev/null
+++ b/t/moose_util/moose_util_does_role.t
@@ -0,0 +1,92 @@
+use strict;
+use warnings;
+
+use Test::More;
+
+use Moose::Util ':all';
+
+{
+  package Foo;
+
+  use Moose::Role;
+}
+
+{
+  package Bar;
+
+  use Moose;
+
+  with qw/Foo/;
+}
+
+{
+  package Baz;
+
+  use Moose;
+}
+
+{
+  package Quux;
+
+  use metaclass;
+}
+
+{
+  package Foo::Foo;
+
+  use Moose::Role;
+
+  with 'Foo';
+}
+
+{
+  package DoesMethod;
+  use Moose;
+
+  sub does {
+    my $self = shift;
+    my ($role) = @_;
+    return 1 if $role eq 'Something::Else';
+    return $self->SUPER::does(@_);
+  }
+}
+
+# Classes
+
+ok(does_role('Bar', 'Foo'), '... Bar does Foo');
+
+ok(!does_role('Baz', 'Foo'), '... Baz doesnt do Foo');
+
+# Objects
+
+my $bar = Bar->new;
+
+ok(does_role($bar, 'Foo'), '... $bar does Foo');
+
+my $baz = Baz->new;
+
+ok(!does_role($baz, 'Foo'), '... $baz doesnt do Foo');
+
+# Invalid values
+
+ok(!does_role(undef,'Foo'), '... undef doesnt do Foo');
+
+ok(!does_role(1,'Foo'), '... 1 doesnt do Foo');
+
+# non Moose metaclass
+
+ok(!does_role('Quux', 'Foo'), '... Quux doesnt do Foo (does not die tho)');
+
+# overriding the does method works properly
+
+ok(does_role('DoesMethod', 'Something::Else'), '... can override the does method');
+
+# Self
+
+ok(does_role('Foo', 'Foo'), '... Foo does do Foo');
+
+# sub-Roles
+
+ok(does_role('Foo::Foo', 'Foo'), '... Foo::Foo does do Foo');
+
+done_testing;