Added more efficient implementation of the development mode reset of classes #1638 [Chris McGrath]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1761 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 29 insertions, 1 deletions

diff --git a/activesupport/test/core_ext/object_and_class_ext_test.rb b/activesupport/test/core_ext/object_and_class_ext_test.rb
index cf75159575..29b2f2fc8b 100644
--- a/activesupport/test/core_ext/object_and_class_ext_test.rb
+++ b/activesupport/test/core_ext/object_and_class_ext_test.rb
@@ -12,6 +12,20 @@ class RemoveSubsBaseClass
   end
 end
 class RemoveSubsSubClass < RemoveSubsBaseClass; end
+class RemoveSubsTestClass2; end
+class RemoveSubsBaseClass2
+  def self.add_ivar
+    @ivar = RemoveSubsTestClass2.new
+  end
+end
+class RemoveSubsSubClass2 < RemoveSubsBaseClass2; end
+class RemoveSubsTestClass3; end
+class RemoveSubsBaseClass3
+  def self.add_ivar
+    @ivar = RemoveSubsTestClass3.new
+  end
+end
+class RemoveSubsSubClass3 < RemoveSubsBaseClass3; end
 
 class ClassExtTest < Test::Unit::TestCase
   def test_methods
@@ -48,4 +62,18 @@ class ObjectTests < Test::Unit::TestCase
       flunk("ObjectSpace still contains RemoveSubsTestClass") if o.class == RemoveSubsTestClass
     end
   end
-end
\ No newline at end of file
+
+  def test_remove_subclasses_of_multiple_classes_unsets_ivars
+    r2 = RemoveSubsSubClass2.new
+    RemoveSubsSubClass2.add_ivar
+    r3 = RemoveSubsSubClass3.new
+    RemoveSubsSubClass3.add_ivar
+    
+    Object.remove_subclasses_of(RemoveSubsBaseClass2, RemoveSubsBaseClass3)
+
+    GC.start
+    ObjectSpace.each_object do |o|
+      flunk("ObjectSpace still contains RemoveSubsTestClass") if o.class == RemoveSubsTestClass
+    end
+  end
+end