Fixes issue checking roles when none are initialized in the class yet.

lib/role_model.rb

@@ -15,6 +15,7 @@ module RoleModel
         attr_accessor(*::RoleModel::INHERITABLE_CLASS_ATTRIBUTES)
       end
       roles_attribute :roles_mask # set default bitmask attribute
+      self.valid_roles = []
     end
   end
 

spec/role_model_spec.rb

@@ -332,6 +332,36 @@ describe RoleModel do
     end
   end
 
+  context "query for roles when none defined in model" do
+    [:has_any_role?, :is_any_of?, :has_role?, :has_all_roles?, :is?, :has_roles?].each do |check_role_assignment_method|
+      describe "##{check_role_assignment_method}" do
+        
+        let(:model_class_without_roles) { Class.new }
+        
+        before(:each) do
+          model_class_without_roles.instance_eval do
+            attr_accessor :roles_mask
+            attr_accessor :custom_roles_mask
+            include RoleModel
+          end
+        end
+        
+        
+        subject { model_class_without_roles.new }
+
+        it "should return false when a role was assigned" do
+          subject.roles = :foo
+          subject.send(check_role_assignment_method, :foo).should be_false
+        end
+
+        it "should return false when no role was assigned" do
+          subject.send(check_role_assignment_method, :foo).should be_false
+        end
+
+      end
+    end
+  end
+
   context "ClassMethods" do
     
     subject { model_class }