Support for BasicObject in pure ruby weak reference implementation.

Author: Brian Durand

VERSION

@@ -1 +1 @@
-1.0.3
+1.0.4

lib/ref/weak_reference/pure_ruby.rb

@@ -54,6 +54,8 @@ def remove_backreference(obj) #:nodoc:
 
         def supports_backreference?(obj)
           obj.respond_to?(:instance_variable_get) && obj.respond_to?(:instance_variable_defined?)
+        rescue NoMethodError
+          false
         end
     end
 

test/weak_reference_test.rb

@@ -44,13 +44,11 @@ def test_inspect
     assert ref.inspect
   end
 
-  class TestBasicObject < Object
-    undef_method(:instance_variable_defined?)
-    undef_method(:instance_variable_get)
-  end
-  
-  def test_basic_object_does_not_throw_exception
-    obj = TestBasicObject.new
-    Ref::WeakReference.new(obj)
+  if defined?(BasicObject)
+    def test_basic_object_does_not_throw_exception
+      obj = BasicObject.new
+      ref = Ref::WeakReference.new(obj)
+      assert_nil ref.object
+    end
   end
 end