Add specs for owners of aliased methods in 1.8 and 1.9

spec/ruby/core/unboundmethod/fixtures/classes.rb

@@ -60,6 +60,11 @@ def self.class_method
 
   class Child1 < Parent; end
   class Child2 < Parent; end
+  class Child3 < Parent
+    class << self
+      alias_method :another_class_method, :class_method
+    end
+  end
 
   class A
     def baz(a, b)

spec/ruby/core/unboundmethod/owner_spec.rb

@@ -18,5 +18,33 @@
       UnboundMethodSpecs::Methods.new.method(:from_mod).owner.should == UnboundMethodSpecs::Mod
     end
 
+    ruby_version_is "" ... "1.9" do
+
+      before :each do
+        @parent_singleton_class = class << UnboundMethodSpecs::Parent; self; end
+        @child_singleton_class  = class << UnboundMethodSpecs::Child3; self; end
+      end
+
+      it "returns the original owner for aliased methods" do
+        @child_singleton_class.instance_method(:class_method).owner.should == @parent_singleton_class
+        @child_singleton_class.instance_method(:another_class_method).owner.should == @parent_singleton_class
+      end
+
+    end
+
+    ruby_version_is "1.9" do
+
+      before :each do
+        @parent_singleton_class = class << UnboundMethodSpecs::Parent; self; end
+        @child_singleton_class  = class << UnboundMethodSpecs::Child3; self; end
+      end
+
+      it "returns the new owner for aliased methods" do
+        @child_singleton_class.instance_method(:class_method).owner.should == @parent_singleton_class
+        @child_singleton_class.instance_method(:another_class_method).owner.should == @child_singleton_class
+      end
+
+    end
+
   end
 end