4 files changed, 5 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/concurrent_hash.rb b/activesupport/lib/active_support/concurrent_hash.rb
index c9f9b16da3..40224765a7 100644
--- a/activesupport/lib/active_support/concurrent_hash.rb
+++ b/activesupport/lib/active_support/concurrent_hash.rb
@@ -9,6 +9,7 @@ module ActiveSupport
     def []=(k,v)
       @mutex.synchronize { @backup_cache[k] = v }
       @frozen_cache = @backup_cache.dup.freeze
+      v
     end
 
     def [](k)
diff --git a/activesupport/lib/active_support/new_callbacks.rb b/activesupport/lib/active_support/new_callbacks.rb
index b93057fe27..2ac5339f07 100644
--- a/activesupport/lib/active_support/new_callbacks.rb
+++ b/activesupport/lib/active_support/new_callbacks.rb
@@ -368,7 +368,8 @@ module ActiveSupport
           end
         RUBY_EVAL
   
-        class_eval str, __FILE__, __LINE__ + 1
+        undef_method "_run_#{symbol}_callbacks" if method_defined?("_run_#{symbol}_callbacks")
+        class_eval str, __FILE__, __LINE__
         
         before_name, around_name, after_name = 
           options.values_at(:before, :after, :around)
diff --git a/activesupport/lib/active_support/testing/pending.rb b/activesupport/lib/active_support/testing/pending.rb
index b6905ddccd..d945c7e476 100644
--- a/activesupport/lib/active_support/testing/pending.rb
+++ b/activesupport/lib/active_support/testing/pending.rb
@@ -16,7 +16,7 @@ module ActiveSupport
 
             begin
               block.call
-            rescue
+            rescue Exception
               failed = true
             end
 
diff --git a/activesupport/test/memoizable_test.rb b/activesupport/test/memoizable_test.rb
index b03178900f..214e243aa5 100644
--- a/activesupport/test/memoizable_test.rb
+++ b/activesupport/test/memoizable_test.rb
@@ -1,6 +1,6 @@
 require 'abstract_unit'
 
-class MemoizableTest < Test::Unit::TestCase
+class MemoizableTest < ActiveSupport::TestCase
   class Person
     extend ActiveSupport::Memoizable