1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb
index 5190eb69e5..2116c6a216 100644
--- a/test/ruby/test_object.rb
+++ b/test/ruby/test_object.rb
@@ -170,6 +170,13 @@ class TestObject < Test::Unit::TestCase
     assert_raise(NameError) { o.instance_variable_defined?(:foo) }
   end
 
+  def test_remove_instance_variable
+    o = Object.new
+    o.instance_eval { @foo = :foo }
+    o.instance_eval { remove_instance_variable(:@foo) }
+    assert_equal(false, o.instance_variable_defined?(:@foo))
+  end
+
   def test_convert_type
     o = Object.new
     def o.to_s; 1; end